Development

Senior Java Developer

LimeChain builds the blockchain and AI infrastructure behind some of the most important companies in crypto and finance. For nine years, our engineers and architects have shipped production systems for protocols, exchanges, and financial institutions moving into digital assets, with a track record most firms can't match.

We dive deep into blockchain infrastructure, AI, decentralized applications (dApps), tokenization, and advanced Web3 integrations - delivering 250+ next-gen solutions for enterprises, startups, and protocols such as Ethereum Foundation, Solana, Polkadot, Hedera Hashgraph and more.

From low-level protocol design and architecture to full-scale product development, we push the boundaries in DeFi, supply chain, oracles, Layer 1 & 2 scaling, and real-world asset (RWA) ecosystems - on a mission to build, explore, and expand the future of the Internet.

What You'll Do:

  • Designing and implementing core backend components in Java
  • Building reliable, well-tested systems with a focus on correctness and performance
  • Working with concurrent and asynchronous code in a distributed environment
  • Designing and evolving APIs and event-driven components
  • Collaborating with cross-functional teams to deliver end-to-end functionality
  • Improving system performance, scalability, and maintainability

What You Bring To The Table:

  • Strong professional experience with Java and modern JVM features (JDK 21+)
  • Solid understanding of concurrency, multithreading, and asynchronous programming
  • Good grasp of computer science fundamentals such as data structures and design patterns
  • Hands-on experience designing APIs (e.g. gRPC) and working with event-driven architectures
  • Experience building, deploying, and operating services using containerization and CI/CD pipelines

Bonus Points:

  • Experience with distributed systems or performance-critical backend services
  • Basic familiarity with security concepts in backend or distributed applications
  • Practical experience working with Kubernetes or similar orchestration platforms
  • Any experience or interest in blockchain/ Web3

BENEFITS

Recognition as a Blockchain & Web3 Leader

Enter the exciting world of Web3, join a brilliant team of blockchain experts and be at the heart of the global Web3 ecosystem.

Growth Opportunities

Blockchain onboarding, mentorship, tailored career paths, leadership trainings, and more to support your growth with us.

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Car Allowance

A signature Lime Benefit. Get financial support for a personal car, motorbike or bike on lease after your 2nd year with us.

Epic Team Buildings & Events

One team building just isn't enough, so we have them twice a year, plus plenty of team events in between.

Annual leave

Unlock up to 25 days of annual leave, rewarding your commitment with us.

Hybrid Work

Work from home any 2 days a week, enjoy flexible hours, plus additional fully remote days every year.

Premium Health Insurance

We got your premium medical and dental care covered.

Team Feast & Daily Snacks

Monthly food vouchers, and fresh fruits, snacks and office treats to fuel your day.

Sports & Longevity Initiatives

Co-funded Multisport card, sports tournaments and fellow Limes passionate about health and longevity.

Apply for Position

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