Backend Software Engineer - AI Finance Agent
Bjak · Remote · Poland ·
COMPENSATION
€•• – ••k
Listed on the employer's job board (Ashby)
- Remote (Poland only)
- 3+ years experience
- Fintech & AI focus
- Fast hiring process
- English required
BJAK is expanding its mobile-first insurance platform into a broader financial ecosystem, including spending, saving, and investing. As a Backend Engineer, you will build the core systems for their AI Finance Agent, creating reliable APIs and workflows that serve millions of users across multiple markets.
What you'll do
- Build backend services, APIs, and workflows for the AI Neobank application
- Design systems for user accounts, transactions, and partner integrations
- Integrate with banks, payment gateways, insurers, and data providers
- Improve system reliability, observability, security, and performance
- Collaborate with product and mobile teams to ship customer-facing features
- Ensure systems are auditable and compliant with financial regulations
What you'll need
- At least 3 years of backend engineering experience
- Strong fundamentals in APIs, databases, and system design
- Experience building scalable services and integrating third-party systems
- Solid understanding of security, reliability, and data quality
- Ability to balance speed, quality, and risk in decision making
- Strong English communication skills for global team collaboration
Nice to have
- Experience in fintech, payments, insurance, or banking sectors
- Background in building regulated financial products
- Experience handling production systems at scale
How you'll work
- Fully remote work arrangement
- Candidates must be currently based in Poland
- Primary working language is English
Hiring process
- Online assessment or practical task
- Technical interview with the team
- Final round with the CEO
- Goal to complete process within one week