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Backend Engineer, Assets Team

Fireblocks

Fireblocks

Software Engineering
Belgrade, Serbia
Posted on Jan 28, 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.

About Fireblocks:
Fireblocks is on a mission to enable every business to easily and securely access digital assets and cryptocurrencies. As a leading provider in the digital asset space, we are committed to fostering a diverse and inclusive workforce that mirrors the global clientele we serve.

About the Team

At Fireblocks, our team owns the assets domain, which stands as one of the fundamental pillars of our platform. Assets are integral to nearly every operation and product within our platform. Our mission is to elevate asset management by refining our systems to ensure assets are modeled, represented, presented, and interacted with in the most optimal manner possible.

This involves orchestrating integrations with third-party data sources, accommodating various standards across different blockchains, and empowering both our internal organization and our customers to seamlessly view, manage, and interact with assets across all our platform products.

As a senior Backend Engineer in the Assets team, you’ll design and develop robust systems to support a diverse range of customers, including the largest financial enterprises, retail investors, crypto-native organizations, and fintech companies. Your focus will be on building scalable products for managing assets on the platform, encompassing data modeling, processing, and analysis, while ensuring seamless integration and delivering exceptional user experiences.

What You’ll Do

  • Architect, design, and implement highly robust, scalable, and resilient microservices, utilizing modern software development practices and patterns. These services must effectively handle and process extremely large volumes of concurrent transactions and data operations with low latency and high availability.
  • Take ownership of end-to-end feature development, requiring coding proficiency across the entire backend stack. This includes developing and optimizing core backend components and APIs, as well as associated logic.
  • Engage in close, cross-functional collaboration with Product Managers to define requirements and roadmaps, with Design teams to ensure optimal user experience, and with fellow Engineering teams to execute complex projects, ensuring timely delivery of high-quality, top-tier technical solutions that meet business needs.
  • Proactively enhance, optimize, and refactor existing production systems and products, focusing on improving performance, reducing technical debt, increasing scalability, and strengthening security and stability, driving a culture of continuous improvement and operational excellence.

About You

  • You’re a creative thinker with a passion for solving complex engineering challenges.
  • You can clearly communicate your decision making process and engineering choices.
  • You have a natural curiosity and drive to continuously learn new technologies.
  • You have an excellent product sense.
  • You thrive in a collaborative environment and excel as both a project leader and a team player.
  • You care about delightful user experience.

What You’ll Bring

  • 5+ years of experience as a Backend/Fullstack Engineer.
  • Bachelor of Science (B.Sc.) or equivalent degree/experience
  • Excellent knowledge of common web and SaaS software architectures - when and why they are applied.
  • Strong understanding of infrastructure technologies, including CI/CD, cloud platforms, and container orchestration.
  • Proficiency in Node.js and TypeScript.
  • Experience with blockchain or cryptocurrency- an advantage.
  • Experience developing SaaS products through the full product life cycle.
  • Experience in researching and integrating new technologies.
  • Proven ability to research, evaluate, and integrate new technologies.
  • A security-oriented approach and mindset.

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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