Senior Full-Stack Engineer: Java Backend & React Frontend

SoftServe; Polska; On-site; PLN 350,000 - 505,000; Full time

Job summary

SoftServe is seeking a skilled backend engineer to design and implement Java-based RESTful APIs and microservices for our Canadian and UK consumer products. You will also contribute to React frontends and collaborate with cross-functional teams to deliver end-to-end features.

Responsibilities include shaping architecture, ensuring security and performance, and maintaining production services while mentoring teammates in a fast-paced, international environment.

Qualifications

• 5+ years of production experience building Java, RESTful APIs, microservices, and distributed systems.
• 2+ years of experience building dynamic, responsive interfaces with React and TypeScript/JavaScript.
• Practical understanding of CI/CD pipelines, automated testing, and production service management.
• Strong problem-solving and communication skills, with the ability to collaborate effectively in a fast-paced, iterative environment.
• Upper-intermediate level of English or higher for collaboration with international teams.
• Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization tools such as Docker and Kubernetes is a plus.
• Hands-on experience with server-side TypeScript frameworks such as Remix, Next.js, or Express is a plus.

Responsibilities

• Design, build, and maintain scalable Java-based RESTful APIs and microservices powering our Canadian and UK consumer products.
• Develop full-stack features end-to-end, connecting Java backends with React and TypeScript frontends.
• Partner with product managers, designers, and engineers across the organization to shape solutions and align on priorities.
• Contribute to technical design discussions, weighing trade-offs and proposing approaches for new architecture.
• Own backend services from initial concept through deployment and ongoing production support.
• Apply best practices in security, performance optimization, and code quality to keep systems maintainable and highly available.
• Troubleshoot complex production issues, using observability and monitoring tools to diagnose system health.
• Share technical expertise through architecture discussions and hands-on mentorship.

Skills

Java

RESTful APIs

Microservices

Distributed systems

React

TypeScript

JavaScript

CI/CD

Automated testing

English

Cloud platforms

Docker

Kubernetes

Remix

Next.js

Express

Tools

React

TypeScript

JavaScript

Remix

Next.js

Express

Docker

Kubernetes

AWS

GCP

Azure

CI/CD tooling

Testing frameworks

Job description

SoftServe is seeking a skilled backend engineer to design and implement Java-based RESTful APIs and microservices for our Canadian and UK consumer products. You will also contribute to React frontends and collaborate with cross-functional teams to deliver end-to-end features.

Responsibilities include shaping architecture, ensuring security and performance, and maintaining production services while mentoring teammates in a fast-paced, international environment.