CareerPlan

Senior Backend Engineer (f/m/d)

Warsaw, PolandFull-time2026-10-02 → 2026-11-11
Hybrid · Poland

Core

Lead backend development for a Finance AI platform serving Europe's mid-sized businesses, focusing on automating card issuing, invoice management, and expenses.

Role type

Senior Backend Engineer (IC)

Builds

Scalable microservices and APIs for the Finance AI platform

Domain

Fintech / Financial Services

Deliverable

production ML models | product features

Required skills

Java, Spring Framework, Microservices, Message Queues, REST API Design, Unit Testing, Integration Testing

Preferred skills

Pragmatic engineering mindset, Delivery focus, Collaborative communication, Inquisitive problem-solving

Technologies

Java, Spring, Microservices, Message Queues

Responsibilities

Lead end-to-end backend project development; Collaborate with PMs and designers on project vision and UI/UX insights; Partner with frontend engineers on API definitions and integration; Write unit and end-to-end tests; Monitor performance and devise rollout strategies for new features.