Backend Engineer — AI Finance Agent (Remote)

Dbnews71; Polska; Hybrid; PLN 60,000 - 90,000; Full time

Benefits offered by this job

Remote work

Job summary

BJAK is seeking a Backend Software Engineer to build the core systems behind its AI Finance Agent. This role focuses on reliable APIs, workflows and financial product infrastructure capable of scaling across markets and millions of users.

Experience in fintech, payments or regulated products is a strong advantage. The position is remote with requirement to be based in Poland; English is the main working language across global teams.

Qualifications

• 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.

Responsibilities

• 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.

Skills

API design

Databases

System design

Production debugging

Security

Third-party integrations

Backend engineering

Tools

Backend frameworks

Job description

BJAK is seeking a Backend Software Engineer to build the core systems behind its AI Finance Agent. This role focuses on reliable APIs, workflows and financial product infrastructure capable of scaling across markets and millions of users.

Experience in fintech, payments or regulated products is a strong advantage. The position is remote with requirement to be based in Poland; English is the main working language across global teams.