Senior Full Stack Developer (Java + React)

Senior Full Stack Developer (Java + React)

📍 Location: Remote

📃 Contract type: B2B

💰 Rate: up to 25,000 PLN net + VAT / 6800 USD month

🚀 Start date: ASAP / flexible

📆 Project duration: Long-term cooperation

💼 About the Role

We're looking for an experienced Senior Full Stack Developer to join a highly agile team working on the end-to-end development of modern applications. You’ll be involved in design, architecture, coding, and DevOps, all within an Extreme Programming (XP) setup that includes remote pairing, Test-Driven Development (TDD), and continuous integration

Responsibilities:

🧩 Responsibilities

• Full ownership of the software development lifecycle: architecture, implementation, and deployment.

• Collaborate with a remote-first, XP-driven development team.

• Build scalable, cloud-native applications using Java and React.

• Design and build microservices-based architecture and RESTful APIs.

• Deploy and maintain solutions using Kubernetes and CI/CD pipelines (Jenkins).

• Follow TDD and BDD practices with proper testing frameworks.

• Continuously improve software quality and team processes.

We are looking for:

✅ Required Skills

• 6+ years of experience in backend development using Java and Spring Boot / Cloud

• 4+ years of experience in frontend development with React (must-have)

• Experience with Java Streams and functional programming concepts

• Experience building Reactive UI (Reactive JS)

• 2+ years working in TDD/BDD (JUnit, Jasmine, Mockito, Protractor/Selenium)

• Solid experience with microservices architecture

• Proficiency in DevOps tools and pipelines (e.g., Jenkins, Git)

• Hands-on experience with Kubernetes / Cloud Foundry

• Experience designing cloud/hybrid solutions

• Familiarity with microservices patterns (service discovery, circuit breaker, etc.)

• Good command of English (min. B2)

➕ Nice to Have

• Experience with Kotlin

• Experience evaluating architecture and tech stack

• Hands-on with CI/CD, cloud platforms (AWS, Azure), or container tools