Senior Backend Engineer, Blockchain

Fireblocks

Fireblocks

Software Engineering

Tel Aviv District, Israel · Tel Aviv-Yafo, Israel

Posted on Apr 15, 2026

The world of digital assets is accelerating in speed, magnitude, and complexity, opening the door to new ways for leveraging the blockchain. Fireblocks’ platform and network provide the simplest and most secure way for companies to work with digital assets and it trusted by some of the largest financial institutions, banks, globally-recognized brands, and Web3 companies in the world, including BNY Mellon, BNP Paribas, ANZ Bank, Revolut, and thousands more.

What you’ll do

As a Senior Software Engineer, you will play a key role in developing and maintaining Fireblocks’ Nodes Access platform, including its applications, services, and underlying systems. You'll work with a modern backend tech stack, leveraging AI, microservices, databases, Kubernetes, Ansible, CI/CD, and more to build scalable and resilient solutions.

You will be responsible for:

  • Implementing an AI framework to manage and orchestrate a fleet of services and blockchain RPC nodes, and building AI agents for enhanced platform capabilities.
  • Implementing modern BE applications and infrastructure in a microservices architecture, utilizing common networking protocols, object-oriented design, and cutting-edge techniques - while leveraging work with AI Agents and Skills.
  • Establishing a modern CI/CD pipeline in a microservices architecture, using best practices, tools, and techniques.
  • Ensuring the robustness and maintainability of our BE services and the overall application.
  • Collaborating effectively with other developers, engineers and other roles, while also showcasing independent problem-solving abilities.
  • Demonstrating a strong command of the blockchains ecosystem in high-load scenarios while staying updated with the latest technologies and practices.
  • Dive deep into the latest blockchains, seamlessly incorporate them into our product, and become an expert in the fundamentals, protocols and features of the blockchains.
  • Ensuring that Fireblocks platform remains at the forefront of blockchain technology!

What You’ll Bring

To thrive in this role, you should bring the following qualifications and experience:

  • Experience with AI technologies, such as Claude Code, Cursor and experience building AI tools like Claude Skills, headless agents, context improvements (RAG), bots, MCPs, etc.
  • 5+ years of experience with scalable distributed systems in GoLang, TypeScript, Python.
  • 3+ years of experience in managing live and high-volume production environments with a strong focus on reliability and operational excellence.
  • Ability to quickly learn and adapt to new technologies and tools.
  • Experience with AI pipelines, integrations and architectures.
  • Strong problem-solving and analytical skills, capable of independently exploring, proposing, and implementing well-thought-out solutions.
  • Demonstrated commitment to excellence, proactiveness, and driving for success.

Bonus Skills:

  • Experience with Blockchains ecosystem.
  • B.Sc. in Computer Science/Engineering or equivalent knowledge.
  • Experience with Cloud Infrastructures.

Join us in shaping the future of digital asset security and blockchain innovation at Fireblocks! Apply now and be part of our journey towards a brighter, decentralized world.

Fireblocks' mission is to enable every business to easily and securely access digital assets and cryptocurrencies. In order to do that, we strongly believe our workforce should be as diverse as our clients, and this is why we embrace diversity and inclusion in all its forms.

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