CareerPlan

Senior Fullstack Software Engineer (Java & React)

Warsaw, Masovian Voivodeship, plRemoteFull-time2026-10-20 → 2026-11-10
Hybrid

Core

Senior Fullstack Engineer building a large-scale digital commerce platform using microservices and micro-frontends, integrating AI-driven development tools.

Role type

Senior Fullstack Software Engineer (Java & React)

Builds

Distributed online platform, backend services, frontend functionality, and containerized applications.

Domain

Digital Commerce, Cloud-Native, Microservices

Deliverable

production ML models | product features

Required skills

Java 8+, Spring Boot, Spring WebFlux, React, TypeScript, Kubernetes, Docker, REST API design, Reactive programming, AI coding agents, Git, JPA/Hibernate

Preferred skills

Micro-frontend architectures, Helm charts, Jenkins CI/CD, BDD, Playwright, Legacy migration

Technologies

Java 25, Spring Boot 4, Spring WebFlux, React, TypeScript, Kubernetes, Docker, GitHub Copilot, TM Forum Open APIs, NEOS CMS

Responsibilities

Develop and evolve distributed microservices and micro-frontends; Build and maintain backend services with REST APIs; Develop frontend functionality with React/TypeScript; Implement new features and migrate legacy applications; Refactor codebase and reduce technical debt; Use AI coding agents to improve development workflows; Participate in knowledge transfer and documentation.

Seniority

Senior, hands-on IC