Bjak is a technology company focused on making financial services easy, fun and more rewarding for everyone
Backend Developer
Location
Germany
Posted
1 day ago
Salary
0
Seniority
Senior
Job Description
Backend Developer
BJAK
• 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.
Job Requirements
- 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.
Benefits
- No specific benefits mentioned
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