Backend Software Engineer - AI Finance Agent
Bjak
PolandFull timeRemoteApply by Nov 27, 2026
About the role
- About BJAK The original mission of BJAK is we believe people deserve smarter ways to plan, save and grow their money
- This is the origin of our name
- Started in 2019, we built the first mobile-first, insurance platform, enabling insurance to be accessible online by millions in the region
- Today, its the leading insurance platform in Southeast Asia
- Today, we are expanding ways to help people in the region — this includes spending, saving, investing, exchanging, travelling, and more
- Our mission is help people get more from their money every day
- We have teams working around the world, with over 20 nationalities from our offices and remotely, who truly enjoys their work
- We are looking for the most talented and driven people we can find
- We are looking for people who work for their passion, not counting hours
- Who loves building great next-generation products, not status quo
- Who cares about redefining how everyone around us can get the best financial applications, not for an exclusive few
- If you're this person, we'd love to talk to you
- The Role We are looking for backend engineers to build the core systems behind BJAK's AI Finance Agent
- This role is for engineers who can build reliable APIs, workflows and financial product infrastructure that can scale across markets, partners and millions of users
- What You'll Own Build backend services, APIs and workflows for the AI Neobank app
- Support products across insurance, payments, wallet, savings, investing, travel and financial services
- Design reliable systems for user accounts, transactions, partner integrations, reconciliation, notifications and operations
- Work with product and mobile teams to ship customer-facing journeys quickly
- Integrate with banks, payment gateways, insurers, data providers and other partners
- Improve system reliability, observability, security and performance
- Build systems that are practical, auditable and ready for regulated financial products
- What We're Looking For 3+ years of backend engineering experience
- Strong fundamentals in APIs, databases, system design and production debugging
- Experience building scalable services and integrating third-party systems
- Good understanding of security, reliability, data quality and operational edge cases
- Able to make practical trade-offs between speed, quality and risk
- Comfortable working with product, mobile, operations and business teams
- Experience in fintech, payments, insurance, lending, banking or regulated products is a strong advantage
- The Kind of Builder We Want Builds systems that work in the real world, not just on diagrams
- Thinks through edge cases, failure modes and operational impact
- Can move fast without creating fragile foundations
- Takes ownership of production issues and long-term reliability
- Explains clearly what they personally built versus what the team delivered
- 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
- Location This role is remote, but candidates must be based in Poland
- We are hiring specifically for this market, so applicants should already be based in Poland
- Language English is our main working language across global teams
- Strong English communication is required
- Interview Process Our process is designed to move fast: 1
- Online assessment or practical task 2
- Technical interview 3
- CEO / final round For strong candidates, we aim to complete the process and make an offer within 1 week from the start of the interview process
- Candidates who complete assessments quickly will be prioritized
- Originally posted on Himalayas
Required skills
Backend AI Engineer
AI Backend Engineer
Fintech Backend Developer
Backend AI Engineering
Software Engineer
Developer
english_language