Senior Fullstack Enigneer

Team Up Recruitment; Poland; On-site; PLN 180,000 - 240,000; Full time

Job summary

Team Up Recruitment is seeking an experienced Fullstack Developer to join our international team and help build large-scale systems for global logistics. You will work on backend services in Java and frontend in React, and contribute across the full engineering lifecycle from design to deployment.

The role centers on microservices, REST APIs, distributed systems, TDD/BDD, and modern CI/CD with Docker and Kubernetes.

Qualifications

• 8+ years of hands-on software development experience.
• Strong fullstack experience across both backend and frontend development.
• At least 4 years of frontend development experience, primarily with React.
• Strong Java skills and hands-on experience with Spring / Spring Boot.
• Experience with microservices and REST APIs.
• Solid understanding of distributed systems, scalability, resilience and performance.
• Hands-on experience with automated testing and TDD/BDD.
• Experience with CI/CD and containerized environments, including Docker and Kubernetes.
• Technical or Computer Science education.
• Good command of English.
• Willingness to work closely with other engineers, including extensive pair programming.

Responsibilities

• Developing backend services in Java and frontend applications in React.
• Designing and building microservice-based solutions and APIs.
• Contributing to architectural decisions and evaluating technical trade-offs.
• Working with distributed systems with a focus on scalability, resilience and performance.
• Writing automated tests and applying TDD/BDD practices.
• Contributing to CI/CD processes and production readiness.
• Working extensively in a pair programming model.
• Using AI-assisted development tools to support coding, testing, refactoring and code review.
• Collaborating closely with other engineers, managers and business stakeholders.

Skills

8+ years software development

Fullstack experience

English proficiency

Pair programming

High-traffic systems

Education

Computer Science degree

Tools

Java

Spring Boot

React

Docker

Kubernetes

REST APIs

CI/CD

Kotlin

AWS

GCP

AI-assisted tools

Job description

You will join an international organization developing complex systems that support global logistics and supply chain operations. The technology environment includes multiple large-scale, business-critical applications built and maintained by distributed engineering teams. Projects cover areas such as order management, billing, shipment processing and tracking.

About the Role

We are looking for an experienced Fullstack Developer who is equally comfortable working on backend and frontend development. You will build and evolve large-scale systems and contribute throughout the engineering lifecycle - from technical design and implementation to testing, deployment and continuous improvement.

Responsibilities

• developing backend services in Java and frontend applications in React,
• designing and building microservice-based solutions and APIs,
• contributing to architectural decisions and evaluating technical trade-offs,
• working with distributed systems with a focus on scalability, resilience and performance,
• writing automated tests and applying TDD/BDD practices,
• contributing to CI/CD processes and production readiness,
• working extensively in a pair programming model,
• using AI-assisted development tools to support coding, testing, refactoring and code review,
• collaborating closely with other engineers, managers and business stakeholders.

Qualifications

• at least 8 years of hands-on software development experience,
• strong fullstack experience across both backend and frontend development,
• at least 4 years of frontend development experience, primarily with React,
• strong Java skills and hands-on experience with Spring / Spring Boot,
• experience with microservices and REST APIs,
• solid understanding of distributed systems, scalability, resilience and performance,
• hands-on experience with automated testing and TDD/BDD,
• experience with CI/CD and containerized environments, including Docker and Kubernetes,
• technical or Computer Science education,
• good command of English,
• willingness to work closely with other engineers, including extensive pair programming.

Nice to have

• Kotlin,
• AWS or GCP experience,
• practical experience with AI-assisted software development tools,
• experience with high-traffic or high-transaction systems.