Middle Backend Engineer (Zerion API)
Zerion, a pioneer in on-chain finance, is seeking a Middle Backend Engineer to join their fully remote, async-first team. You'll be part of the API team, owning new feature development, solving backend challenges, and supporting external developers through technical documentation and tool improvements. This is a full-time opportunity offering a chance to work at the core of a growing Web3 infrastructure platform, making a real impact on how decentralized financial systems are built.
Ideal candidates have 3+ years of backend development experience, strong knowledge of API design, and the ability to write clean, maintainable code. Familiarity with smart contracts, dApps, and blockchain ecosystems like Solana, EVM chains, or L2s is preferred. Experience in Go is a bonus, as is a background in contributing to Web3 projects. Strong communication skills and the ability to thrive in a collaborative and fast-paced environment are essential.
Zerion values individuals who are proactive, care about developer experience, and want to influence the future of Web3 development. The structured interview process includes multiple team and technical sessions, ensuring a clear alignment with the company's vision and culture.
What you will do
- Develop and ship new features for our API.
- Triage and fix bugs quickly—especially partner-impacting issues.
- Build and maintain backend systems powering our API.
- Collaborate with products to shape features and improve partners onboarding.
- Collaborate directly with customers to troubleshoot issues, fix problems, clarify technical questions, and drive timely resolutions.
- Continuously improve our technical docs, and internal tooling to enhance developer experience.
Who we are looking for
- 3+ years of backend engineering experience.
- Solid fundamentals: you write clean, maintainable code and understand how to debug complex systems.
- Familiarity with Blockchain systems, dApps, and smart contracts.
- Great communication and soft skills—you can translate technical details clearly, both internally and externally.
- Comfortable owning tasks independently in a remote-first, async team.
- You take initiative, solve problems quickly, and care about product quality.
Bonus Points
- Professional experience with Go.
- Familiarity with multi-chain ecosystems (EVM chains, L2s, Solana, etc.).
- Strong grasp of API development: REST, token-based auth, error handling, etc.
- Experience building or contributing to Web3 projects (personal or commercial).
- Enjoy helping others succeed—whether it’s teammates or external devs.
About You
- You love building resilient, elegant systems that developers enjoy using.
- You have the ability to work in multitasking mode.
- You enjoy learning new technologies.
- You value clarity, collaboration, and continuous improvement.
- You’re excited by the opportunity to shape how the next wave of Web3 builders get started.
Interview Process
- Intro Call (30 mins): Meet the team and align expectations
- Hiring Manager Interview (45 mins): Discussion of your professional background, motivation and etc.
- Technical Session (90 mins): Assess problem-solving and backend/API skills
- Team Interview (60 mins): Evaluate collaboration style and team add
- Founders Call (60 mins): Discuss long-term vision and your role in it
- Reference Check
Similar Jobs
