We are hiring an experienced Fullstack Developer for our client in the fintech industry.
Key Requirements:
Frontend
- Angular (web application)
- Ionic (mobile wrapper, monorepo shared with existing bank apps)
- Mature design system with page templates and reusable components
- Creative/experimental UI direction — intentionally breaking standard spacing and colour conventions (think social media aesthetics, not traditional banking)
Backend
- Microservice/middleware architecture (~1,200 services)
- Primary stack: Java / Kotlin, mostly Spring Boot
- Strong platform engineering teams managing build tooling and pipelines
AI / Conversational
- Existing chatbot with single-turn LLM calls (multi-turn in development)
- Agentic framework: pilot project for Codex integration
- Applied AI / agentic layer being built on top of an internal AI platform
- Conversational squad will both consume and contribute to the AI platform
Cloud & Infrastructure
- Multi-cloud strategy, with AWS as the preferred provider
- Cloud layer abstracted from developers via platform engineering
Other Capabilities in Scope
- PFM (Personal Finance Management) — budgeting, expense tracking; vendor selection underway for expanded capabilities
- Shared Finance — shared wallet, joint account management, expense splitting, budgeting for shared accounts
Perks and benefits:
- Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.
- Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.
- Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.
- Global collaboration - work with a diverse, international team.
- Innovative environment - be part of a forward-thinking and growth-oriented workplace.
- Engaging community – Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.
- Team-building events including our company tradition (annual company event in Mazury).
- A pleasant surprise to start your journey with us in the form of a welcome pack.
Recruitment process:
- HR call
- Technical Interview
- Interview with the dedicated Client
- Final decision/ Feedback
Sounds interesting? Click "Apply" and have a chance to hear more!
Key Skills
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- Posted
- Jul 02, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Poland
- Company
- Billennium
Industries
Categories
Related Jobs
3 roles aligned with this opportunity
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2026-06-16
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