Bjak
Backend Developer
Remote Back End Developer role with clear candidate location fit.
PostedJul 11, 2026
Eligible countries18 accepted countries
Seniority signalJunior
Work settingRemote
Accepted candidate locations
Role overview
Backend Developer
Requirements and responsibilities
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What You'll Own
- Build backend services and APIs for onboarding, accounts, payments, cards, transfers, rewards, travel, FX, KYC and risk flows.
- Design reliable systems that can support real customer transactions, operational workflows and future financial products.
- Integrate with internal systems, financial partners, payment providers, AI services and third-party platforms.
- Own backend quality across reliability, security, latency, observability, data integrity and incident handling.
- Work with product, frontend, mobile and AI teams to launch features quickly and safely.
- Improve existing systems by simplifying flows, removing manual work and automating repeatable processes.
What We're Looking For
- Strong backend engineering experience in production systems.
- Good understanding of APIs, databases, authentication, authorization, queues, jobs, events and integrations.
- Experience building services used by real customers or internal operations at meaningful scale.
- Strong debugging, reliability, security and data quality mindset.
- Able to make practical trade-offs between speed, correctness, scalability and maintainability.
- Fintech, payments, banking, wallet, KYC, fraud or risk experience is a strong plus, but not required if fundamentals are strong.
This Role Is Not For
- Engineers who only want isolated backend tasks.
- People who ignore security, data consistency, monitoring or operational risk.
- Developers who cannot work with fast-changing product requirements.
- Candidates who talk about scale but have not handled production systems.
- People who exaggerate impact without being clear on ownership.
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