Jobs Board

Hashlock is looking for applications from Smart contract security auditors and security researchers. Please reach out to us asap and apply at https://hashlock.com/become-an-auditor Hashlock is a leading blockchain cybersecurity and smart contract auditing firm. The company helps businesses, projects, and institutions adopt blockchain technology with confidence by providing security audits, risk assessments, and consulting services. With a focus on protecting digital assets and strengthening trust in decentralized systems, Hashlock combines deep technical expertise with industry best practices to uncover vulnerabilities, secure protocols, and guide clients toward safer blockchain innovation. Also, complete a certification here https://certification.hashlock.com/ to boost your security resume!

About the Role We are looking for a creative and meme-savvy Social Media & Community Manager to build, engage, and entertain our growing audience. You will manage our presence across Telegram, Discord, Twitter/X, Instagram, and TikTok, while driving community interaction through fun content, bonuses, contests, and giveaways. If you live and breathe social trends, know how to spark conversations, and have a passion for crypto or iGaming communities, this is your chance to join a fast-moving and dynamic team. Key Responsibilities Create and publish engaging, platform-specific content (posts, memes, reels, stories) for Telegram, Discord, Twitter/X, Instagram, and TikTok. Build and nurture an active and loyal community through regular interaction and creative campaigns. Plan and execute contests, giveaways, and community events to boost engagement. Share and promote bonuses, promotions, and updates in a fun and on-brand way. Monitor social channels and community sentiment, escalating feedback to relevant teams. Collaborate with design, marketing, and product teams to align content with brand messaging. Stay on top of social trends, crypto/iGaming news, and viral formats to keep content fresh and relevant. Report on key metrics (follower growth, engagement, community activity). Requirements 1+ year of experience in social media or community management (crypto or iGaming). Strong knowledge of Telegram, Discord, Twitter/X, Instagram, and TikTok. Excellent sense of humor and ability to create memes and viral content. Basic design skills (Canva, Photoshop, or similar tools) are an advantage. Fluent in English; additional languages are a plus. Passion for crypto, gaming, or online entertainment communities. Highly organized and able to manage multiple platforms simultaneously. Nice-to-Have Experience with influencer outreach or community ambassador programs. Familiarity with social analytics tools (Hootsuite, Sprout Social, or similar). Previous experience moderating or growing large communities. Benefits Competitive salary and growth opportunities. Work in a fun, fast-paced environment within crypto and iGaming. Flexibility to experiment with content and test creative ideas. Remote-friendly team with a supportive culture. Be the voice of a brand loved by its community.

About Us Shift Markets is a financial technology services provider creating innovative solutions for the cryptocurrency ecosystem, expanding global access to digital assets. We power exchanges, liquidity solutions, and integrations for clients worldwide. About the Role We’re looking for a detail-oriented and tech-savvy Project Coordinator to support client implementations, integrations, and new product launches in the crypto space. This is a great opportunity for someone early in their career who’s eager to learn project management in a fast-paced, global fintech environment. You’ll work closely with our engineering, product, and customer success teams, helping organize projects, track progress, and ensure smooth communication across stakeholders. If you’re curious about blockchain, love organizing work, and want to build skills in AI-powered project planning, this role is for you. Key Responsibilities Assist with gathering business requirements, mockups, and technical specifications from internal teams and clients. Help break down project needs into clear tasks and timelines. Track progress in Asana and keep documentation up-to-date. Support the creation of project plans and status updates. Help coordinate team meetings and follow up on action items. Assist with testing new features and ensuring successful product releases. Communicate clearly with internal teams and clients to keep everyone informed. Flag risks or delays early to keep projects on track. AI & Automation Advantage You’ll have the chance to: Use AI tools to streamline task tracking and reporting. Apply AI to assist with project planning, timelines, and scheduling. Help generate and refine technical specifications using AI. Spot opportunities for automation that make teamwork faster and easier. Who You Are Organized and detail-oriented. Comfortable juggling multiple tasks at once. Eager to learn about blockchain, fintech, and AI tools. Clear and concise communicator. Adaptable and resourceful in fast-changing environments. Tech-savvy and excited about trying new tools. Qualifications 0–2 years of experience in project coordination, operations, or a related role. Familiarity with Asana or similar project management tools (preferred). Interest in crypto, fintech, or emerging tech. Bachelor’s degree or equivalent experience (preferred but not required). Details Type: Full-time, permanent Location: Remote (European Timezone hours) Compensation: Salary commensurate with experience

Who We Are:Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re building the products and services to make that future a reality. Our institutional digital assets platform spans trading, investment banking, asset management, staking, self-custody, and tokenization technology. We also invest in and operate cutting-edge data center infrastructure to power AI and high-performance computing, addressing the growing demand for scalable energy and compute in the U.S. We work at the intersection of finance and technology, helping institutions, startups, and developers navigate a digitally native economy. Led by CEO and Founder Michael Novogratz, our team blends deep crypto expertise with institutional experience and a shared commitment to shaping the future of Web3 and AI. Galaxy is headquartered in New York City, with offices across North America, Europe, the Middle East, and Asia. To learn more about our businesses and products, visit www.galaxy.com. What We Value: We are a diverse team of free thinkers, and fast movers united to help investors and creators energize the global economy. We are looking for individuals who thrive in a culture of builders and overachievers and embrace high performance, transparent feedback, and a mission-first approach. Our culture shapes our way of working and gets us where we want to be. Seek Excellence. Be Selective To Be Effective. Be Highly Aligned, Loosely Coupled. Disagree Transparently. Encourage Independent Decision-Making. Build Dream Teams. Who You Are: You're a computer science graduate or an early-career technologist who’s eager to build systems, write scripts, and eliminate repetitive tasks. You’re excited by the opportunity to work hands-on with end users, but your true passion lies in automating and scaling IT solutions. You view IT Operations as a launchpad—not a destination—and you’re looking for an environment where you can apply your programming skills to real-world problems from day one.You're passionate about modern infrastructure, curious about production systems, and want to work with smart people who build secure, scalable environments. What You’ll Do: As a key member of our Infrastructure Engineering team, you’ll lead the design, automation, and lifecycle management of hybrid cloud environments with a heavy focus on Infrastructure as Code and cloud-native operations. You’ll drive reliability, security, and scalability across enterprise platforms while working collaboratively with DevOps, Security, and App Engineering teams. Architect, deploy, and maintain hybrid Active Directory environments, including on-prem Domain Controllers, Azure AD, and Entra integrations. Manage and automate GPO/OU structures, identity governance, Conditional Access, and Privileged Identity Management (PIM) using policy-as-code principles. Design, secure, and support core Windows Server services: Certificate Services, Print, NPS, and File Servers—using repeatable and declarative configurations. Administer and optimize Microsoft 365 environments including Exchange Online, SharePoint, OneDrive, Intune, Defender for 365, and mail hygiene tools. Engineer resilient email security infrastructure (SPF, DKIM, DMARC), and apply advanced threat protection strategies. Drive Azure infrastructure design including Landing Zones, policy enforcement, governance, tagging standards, and cloud migrations. Automate infrastructure and operations using PowerShell, Python, Bicep, ARM, and Terraform; integrate with CI/CD pipelines for continuous delivery of infrastructure. Evaluate and integrate AI/ML-powered IT automation and Copilot experiences across IT services and user support. Develop and enforce policies for IAM, DLP, sensitivity labels, and ensure compliance with standards such as GDPR, HIPAA, and other regulatory frameworks. Partner with DevOps and SecOps to deliver scalable, secure, and well-governed infrastructure using modern tooling. Actively participate in Incident, Problem, and Change Management, ensuring rapid response and root cause resolution. Create high-quality documentation (runbooks, SOPs, KBs) and mentor junior engineers through technical leadership and code reviews. What We’re Looking For: Required Skills & Experience Bachelor’s degree in IT, CS, or related field—or equivalent practical experience. 5+ years in enterprise infrastructure roles supporting Microsoft cloud ecosystems and hybrid environments. Deep expertise with Windows Server, Azure AD, Active Directory, and associated services (DNS, DHCP, NPS, etc.). Strong proficiency with Microsoft 365 administration across Exchange, Defender, Intune, and SharePoint. Hands-on experience with IaC tools like Terraform, Bicep, or ARM templates and source-controlled config management (GitOps). Strong scripting and automation skills in PowerShell, with working knowledge of Python, Azure CLI, or REST APIs. Proficiency with Azure Resource Manager, Azure Policy, Role-Based Access Control (RBAC), and Subscription governance. Solid grasp of email security technologies, mail flow routing, and phishing prevention (SPF/DKIM/DMARC). Familiarity with ITSM/ITIL frameworks for structured ops (Incident/Problem/Change). Exceptional documentation, mentorship, and collaboration skills across cross-functional teams. Preferred Certifications Microsoft Certified: Azure Solutions Architect Expert (AZ-305) or Microsoft 365 Enterprise Admin Expert Bonus: Microsoft SC-series, Terraform Associate, or any Cloud Security/Compliance certifications Exposure to containerization, Kubernetes, and modern endpoint management (e.g., Autopilot, Conditional Access). Experience integrating IT with AI/ML tools, chatbots, or modern Copilot experiences. Background in security operations, compliance auditing, or zero-trust architectures. Contributions to open-source IaC projects or automation frameworks. What We Offer: Competitive base salary and discretionary bonus Flexible Time Off (i.e. unlimited paid vacation days) Company paid Holidays (11) Company paid sick leave Company-paid health and protective benefits for employees, partners, and other dependents 3% 401(k) company contribution Generous paid Parental Leave Free virtual coaching and counseling sessions through Headspace Opportunities to learn about the Crypto industry Free daily snacks in-office Smart, entrepreneurial, and fun colleagues Employee Resource Groups Apply now and join us on our mission to engineer a new economic paradigm. The base salary ranges included below will be commensurate with candidate experience, expertise and local market. Final offer amounts are determined by multiple factors, including candidate experience and expertise. At Galaxy, we maintain a total compensation philosophy which consists of a competitive base salary, annual bonus, and equity incentives. Base Salary Range$100,000—$125,000 USD Galaxy respects diversity and seeks to provide equal employment opportunities to all employees and job applicants for employment without regard to actual or perceived age, race, color, creed, religion, sex or gender (including pregnancy, childbirth, lactation and related medical conditions), gender identity or gender expression (including transgender status), sexual orientation, marital or partnership or caregiver status, ancestry, national origin, citizenship status, disability, military or veteran status, protected medical condition as defined by applicable state or local law, genetic information or predisposing genetic characteristic, or other characteristic protected by applicable federal, state, or local laws and ordinances. We will endeavor to make a reasonable accommodation to the known limitations of a qualified applicant with a disability unless the accommodation would impose an undue hardship on the operation of our business. 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Looking for community managers, experienced researchers and fullstack developers. Read before applying: - We are accepting candidates from the following time zones (EU, North America, and LATAM) - When you apply, lease include examples of previous work or experience About the roles: We're seeking new Associates (affiliate role), Community Managers, Researchers, Fullstack Devs, and Community Strategy Partners to join our team and assist on our social media platforms/ helping with various internal affairs. Each role will collaborate directly with our core team, receiving orders and weekly agendas when necessary. We're looking for people that are self-driven, proactive and active online. Specifics will be ironed out in an introductory interview so we can set the stage for expectations, company culture, and how we operate as a team.

About Safe Safe is redefining the future of self-custodial onchain treasury management. It currently holds $>60B+ in onchain assets. Safe{Wallet} web and mobile is the de-facto standard for crypto native organizations, individuals and groups to co-manage assets via Multi-sig. Safe{Wallet} infrastructure is widely used by developers integrating Safe. It is used for multi-million dollar treasury operations and governance by top protocols like World, Aave, Balancer and Gnosis. With more innovations in security and user experience, Safe is poised exponential growth in DeFi and onchain asset management. 💻 About the role: We are looking for a Senior DevOps Engineer to join our Infrastructure and Security team. You will play a critical role in building, securing, and scaling the infrastructure that powers Safe - the largest multisig wallet in crypto. This role combines hands-on coding with strategic infra design, ensuring reliability, automation, and best practices across our services. 🗃️ What you will be doing: Own and improve our infrastructure to ensure safe, reliable, and scalable systems Automate development, deployment, and release workflows (CI/CD, observability) Maintain and debug our service stack (AWS, Kubernetes, Helm, Terraform) Propose and implement cost, security, and architectural improvements Collaborate with product teams to enable faster development and delivery Configure monitoring and alerting (Datadog) to prevent and respond to incidents 🎒 What you will bring: Strong hands-on experience with Terraform, AWS, Kubernetes, Helm Experience with Python or another programming language Linux administration expertise Strong knowledge of CI/CD (GitHub Actions, ArgoCD) Docker and containerization proficiency Monitoring and observability experience (Datadog or similar) Nice-to-Have Experience with Web3 infra and blockchain networks Typescript and backend development exposure Postgres, Redis, RabbitMQ familiarity PagerDuty (or equivalent) on-call management Hands-on security best practices 🎁 What we can offer you: 💻 Home Working Budget: Personalize your home office with a dedicated budget! Choose from a sleek desk, top-notch headphones, a comfy chair, and more. We're committed to creating a workspace that inspires you. 🏝️ 30 vacation days as standard: Take the time off you need no matter where you work. All of our contributors get 30 vacation days by default, with public holidays in addition. 📚 Continuous Learning: Invest in yourself with our personal education and conference budgets. Stay ahead of the curve by attending conferences, workshops, and courses that align with your professional growth. 🎨 Innovative Fridays: Unleash your creativity! Spend Friday afternoons diving into research or working on a side project within our exciting ecosystem. It's the perfect opportunity to explore new ideas and contribute to innovative endeavours. ⌛ Flexible Work Schedules: Embrace work-life balance with our flexible working schedules. We understand that everyone has unique needs, and our hybrid work policies empower you to choose a working style that suits you best. Please apply with your English resume. Variety is the spice of life and a celebrated component of our culture. At Safe, we strive to create an inclusive environment that empowers our employees. We believe that our products and services benefit from our diverse backgrounds and experiences and are proud to be an equal opportunity employer: all qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability.

About Sesame Sesame is a prediction market for current culture. Our mobile app (currently in beta) allows users to stake funds into bonding curves associated with athletes, brands, influencers, tv shows, etc. There’s also social features to enable connection through shared interests and fandom. We’re a 6 person remote team, founded by a serial entrepreneur. Building up to a full launch in the next couple of weeks. Looking for someone to take ownership of our social channels and PR during the launch period. This is a unique opportunity for someone, in terms of financial, long-term job and a project on their CV. Applicants are able to do the role alongside a full-time job or studying. About the role This is a remote role with flexible hours (5-10 hours a week) 6 month initial contract, with potential for extension or full-time after that. $500 USDC per month $10k USDC bonus for if we reach $1m trading fees in the first 6 months Open to candidates around the world. No previous experience needed. What you’ll be doing Run our social channels: Instagram, X (Twitter) and TikTok Content creation (image & video) Community communication (being able to handle trolling situations calmly) Inbound PR requests and management Track and analyse social media and content performance metrics What we are looking for Self motivated to set priorities and methodically make progress towards the goals Gets sh*t done (don’t want someone spending hours trying to perfect an image or tweet) Able to use tools (Canva, Mojo, etc) and resourceful with people on fiverr for creating things The ability to communicate effectively and convey your ideas when discussing with team members Requirements Strong command of English (writing and communication) Experience with AI tools for content creation Understanding of crypto Twitter culture Experience of growing a social media community Understanding of what makes content go viral in crypto

We are seeking a dedicated writer to deliver daily crypto news articles about the European market. Your work will keep our readers informed about the latest developments in blockchain, exchanges, regulations, and everything crypto across Europe. Location: Remote (Europe preferred) Commitment: Daily publishing of 1-2 news articles, creating a blog post image, publishing the article on WordPress Company Benefits: Canva subscription (for creating blog post images) Grammarly subscription (for proofreading) Additional tools (if reasonable) based on request Responsibilities Research and publish 1–2 daily news pieces at least 5 days of the week (short and accurate, 400–600 words). Cover crypto market trends, European regulations, exchange updates, and major events. Ensure fast turnaround while maintaining clarity and accuracy. Collaborate with our editorial team for content strategy and keyword alignment. Requirements Strong knowledge of crypto, trading, and blockchain. Excellent writing skills in English (concise, news-style). Ability to meet daily deadlines and work independently. Familiarity with European crypto regulations is a plus. Prior experience in crypto journalism or content writing preferred. How to Apply Attach your CV, a short intro, and 2–3 relevant writing samples. If you have references from other websites, please share the links to your Author profiles.

At Gravity Team, a quantitative proprietary trading firm, we are on a mission to balance the supply and demand across crypto markets worldwide. Join our community of innovators, problem solvers, and owners who apply scientific discovery techniques to make crypto markets a better place for everyone. You are A problem solver. Each day presents numerous challenges with sub-optimal choices, and you should excel at selecting the best option given optimization criteria. Focused on results. The drive to get things done distinguishes success from the rest. A team player. We thrive together as a team! You must listen well and present your ideas in an environment where the best ideas win. You'll be working on A proprietary Over-The-Counter (OTC) trading platform that will enable Gravity Team to execute large, off-exchange trades directly with institutional counterparties. You’ll help build it from the ground up with a team of experienced engineers, drawing on our deep expertise in high-performance trading infrastructure. The OTC Desk will serve as our gateway into client-facing execution - integrating trading logic, capital routing, and exchange connectivity into a unified system. Your work will focus on backend development in Rust, building core services, APIs, and automated workflows, while collaborating closely with traders, ops, and product teams to align technical design with business needs. What you will do Design and implement the backend of a proprietary OTC trading system in Rust. Design and build web APIs to support system operations and internal interfaces. Maintain and expand integrations with exchanges through custom APIs. Develop monitoring, testing, and deployment automations to keep the platform resilient and scalable. Optimize for performance and system uptime - small mistakes here = big financial impact. Work independently and iterate fast in a low-bureaucracy, high-ownership environment. Contribute to adjacent areas: capital allocation logic, payment processes, data pipelines. What we expect Minimum of 5 years of experience in developing IT projects. Track record of successfully building & maintaining complex backend systems (deep tech products, backend systems with deep business logic, algorithms, financial applications, etc.) Strong production-level experience with Rust or other compiled languages (C++, Go, etc.) Solid technical knowledge in programming concepts and languages. Exceptional problem-solving skills and knowledge of validating cause-and-effect relationships. Hands-on skills of multiple backend programming languages & frameworks. High-sense of responsibility and get-stuff-done attitude. Attention to detail. Knowledge & working experience with Algorithms is a plus Experience in working with hedge funds, fintechs or similar organizations is a plus. Experience in the crypto & blockchain industry is a plus. Experience in financial engineering is a plus. Results in Math, Physics, Informatics, Chemistry, or Economics Olympiads are a plus. Our promise to you We offer you a driver's seat in the world's crypto-sphere and hands-on insight into one of the most exciting and lucrative industries today. Our work contributes to transforming the current financial industry and democratizing access to digital goods worldwide. Conditions Open idea meritocracy and close to zero bureaucracy. Work together with a highly talented team. Possibility to participate in world crypto events, with a very real and tangible impact on many crypto markets across the world. Fast-moving, challenging, and unique business problems. Very competitive salary up to 10,000 EUR gross with a steep development curve. Profit shares. Flexible working hours, casual work attire, and a startup atmosphere. Learning & Development budget of 3000 EUR a year A-class work environment at Zunda Towers offices with 360° view over Riga, free food & snacks, Chef's lunches, state-of-art office space design, weekly yoga & physiotherapy sessions, etc. Regular team events in Latvia and also abroad. Benefits that you can combine yourself – free food, Bolt taxi, Sports, Spa & Wellness, etc.

About us We at P2P.org are the largest staking and restaking operator, with a TVL of over $10B 🔝 We are constantly focused on launching new yield products: for example, in Polkadot (adding +15-20% to APR) and Ethereum, where we offer significantly higher APR (+40%) than any other staking operator 💪 We also keep an eye on exciting projects and launch new networks such as TON, Avail, Monad, and Babylon. We strongly believe in Bitcoin and the DeFi ecosystem around it, and we have a dedicated team focused on finding the best yield solutions based on Bitcoin. We work with partners like BitGo, Crypto.com, Ledger and ByBit. We are actively expanding our product line, exploring RWA, data, yield, and service products for exchanges, custodians, and banks P2P.org unites talented individuals globally ❤️ Despite our distributed team, we share a passion for decentralized finance - a fairer system for all. We code, learn, create, and connect to shape finance's future 💰 P2P.org boasts a strong reputation and network. We prioritize customer satisfaction and, as tech enthusiasts, develop innovative solutions that bolster our brand. You will 🚀 Research and design algorithmic yield strategies for stablecoin and crypto vaults, targeting risk-adjusted yield optimization through leverage, protocol stacking, and dynamic rebalancing. Quantitatively assess protocol-specific and systemic risks, including smart contract vulnerabilities, liquidity depth, slippage, oracle dependencies, and market volatility impacts across integrated DeFi protocols Develop probabilistic and scenario-based models to quantify tail risks, VaR, and protocol failure impact; implement Monte Carlo simulations and agent-based modeling to evaluate strategy robustness across historical and synthetic conditions. Perform stress tests based on extreme market events, flash loan attacks, and stablecoin depegs to validate strategy durability. Work closely with smart contract and backend engineers to productionize models, automate rebalancing logic, and integrate risk controls directly into vault infrastructure. Ensure strategy logic is safely and efficiently deployed on-chain. You have 🤓 Bachelor’s or Master’s degree in a quantitative field such as Mathematics, Statistics, Physics, Computer Science, Engineering, or Financial Engineering. 2–4 years of experience in a quantitative research, trading, or risk modeling role — preferably in crypto, DeFi, traditional finance, or fintech. Strong proficiency in Python for quantitative research (e.g. pandas, numpy, scipy, statsmodels, plotly, etc.). Experience developing and validating models for financial forecasting, portfolio optimization, or risk simulation. Familiarity with techniques like Monte Carlo simulations, time-series modeling, and statistical backtesting. Solid understanding of DeFi primitives (e.g. AMMs, lending/borrowing, stablecoins, LSTs, vaults, yield farming). What we offer ➡️ At P2P.org we have a team of experts with their own unique approach and ownership culture. Together we gain experience and make dreams come true! 🌟 Full-time Contractor (Indefinite-term Consultancy Agreement) Competitive salary level in $ (we can also pay in Crypto) Well-being program Mental Health care program Compensation for education, including Foreign Language & professional growth courses Equipment & co-working reimbursement program Overseas conferences, community immersion Positive and friendly communication culture P2P.org is committed to providing equal opportunities. All applicants will be considered without regard to race, color, national origin, religion, sex, sexual orientation, gender identity, veteran status, or disability.

Level up your backend developer career with the fastest-growing crypto prop firm. HyroTrader is a next-gen crypto proprietary trading platform giving traders worldwide direct access to simulated funded accounts on ByBit and CLEO — with no geographic or jurisdictional limits. We’re a small, agile team of traders and developers, moving fast and staying lean. We’re looking for a Senior Backend Developer with strong expertise in Rust/Go/Python, API and WebSocket service development, and hands-on experience with monitoring tools such as Prometheus, Grafana, the ELK stack, and Sentry. Join us to build scalable, high-performance systems and shape the core infrastructure of one of the fastest-growing crypto prop firms. We will only process applications that include a link to your Git repository with work examples at the very beginning of your message. Applications without a repo link will not be considered. Your Responsibilities Design, develop, and optimize backend systems powering our trading platform. Build APIs (REST, GraphQL, gRPC) and WebSocket services for real-time data streaming. Architect scalable and fault-tolerant solutions with high availability. Implement monitoring, observability, and automation for production services. Collaborate with traders and developers to deliver mission-critical features. What We’re Looking For Excellent knowledge of Rust / Go and/or Python Strong experience with Bash scripting and automation Advanced knowledge of Apache Kafka (design, optimization, troubleshooting, cluster management) Experience with Redis (cache + message broker, performance optimization) Proficiency in SQL (PostgreSQL preferred) and NoSQL databases Proven track record designing REST, GraphQL, and/or gRPC APIs Experience with WebSockets for real-time communication & data streaming Solid understanding of containerization (Docker; Kubernetes is a plus) Hands-on experience with CI/CD pipelines (GitLab CI preferred) Familiarity with monitoring & observability tools (Prometheus, Grafana, ELK stack, Sentry, etc.) At least basic networking knowledge (TCP/IP, HTTP, load balancing, security, proxies) Background in building for scalability, high availability, failover, and resilience Nice to Have Experience with event-driven architectures, microservices, CQRS, and DDD Work with big data and stream processing Cloud experience (AWS, GCP, or Azure) Familiarity with other message brokers (RabbitMQ, etc.) Experience with load testing and performance tuning Knowledge of API gateways and service mesh Backend security expertise (OAuth2, JWT, rate limiting, audit logs) Experience with legacy system migrations Why Join HyroTrader? Be part of a core team shaping the product from the ground up. Work on fast-moving fintech and Web3 projects with real user impact. Flat structure — your ideas are heard and implemented quickly. Fully remote, async-friendly, and flexible hours. Competitive compensation based on experience and contribution. How to Apply Send us: A link to your GitHub repo (required, at the very top of your message) Your CV Anything else you’re proud of

Jelurida is looking to hire senior server-side Java engineers to participate in the development of our Ardor public blockchain platform. Requirements: You must have solid understanding of the core Java platform, excellent object-oriented design skills, strong analytical thinking, and problem solving abilities. No familiarity with any specific frameworks or libraries is necessary. However, you do need to have experience with server-side core Java applications, relational databases, servlets, networking, multi-threaded programming, and design patterns. You will be expected to write clean, understandable and self-documented code, paying attention to performance and concurrency issues. Previous experience with blockchain platforms, financial applications, and cryptography is not required, but would be very helpful. If you are in Lugano, you will be welcome to work in our office, but otherwise the position is telecommuting only. We offer flexible working hours and a no-nonsense work environment. Fluency in written and verbal English is required.