Senior Java Fullstack Developer

🔍 Senior Java Fullstack Developer

Location: 100% remote (Poland)
Contract type: B2B
Capacity: Full-time
Rate: 120–150 PLN + VAT / h

🚀 About the role

We are looking for an experienced Senior Java Fullstack Developer to join our Talent Pool for upcoming software development projects.

We collaborate with international clients on modern web applications, enterprise platforms, and scalable backend systems. Depending on the project, you may be involved in developing new solutions, extending existing products, or modernizing established applications.

We are looking for an engineer with a strong Java and Spring Boot background who is also comfortable working on the frontend using React, Angular, or Vue.js.

You should be able to independently deliver features, contribute to technical decisions, and use modern development practices, including AI-assisted coding tools.

💡 Who we are

Kyotu Technology is a boutique software house based in Wrocław and Warsaw, working fully remotely or in hybrid mode across Poland. We focus on long-term, high-quality engineering and building production-grade systems with real business impact.

Our engineers have real influence on technical decisions and the way solutions are delivered.

🧠 Your responsibilities

• design, develop, and maintain backend services using Java and Spring Boot

• build and enhance frontend features using React, Angular, or Vue.js

• develop and integrate REST APIs

• work with relational databases and optimize application performance

• contribute to system architecture and technical design decisions

• write clean, maintainable, and well-tested code

• participate in code reviews, troubleshooting, and continuous improvement

• work with CI/CD pipelines and support application deployments

• use AI-powered development tools to improve coding efficiency, debugging, and everyday engineering workflows

• collaborate with developers, QA engineers, and other project stakeholders

🧩 Must haves

• minimum 5 years of commercial software development experience, including solid experience with Java

• strong knowledge of Java 17+ and Spring Boot

• practical experience with Spring Framework, Spring Data JPA / Hibernate, and Spring Security

• commercial experience with at least one modern frontend framework: React, Angular, or Vue.js

• good knowledge of JavaScript / TypeScript, HTML, and CSS

• experience designing and developing REST APIs

• good understanding of SQL and relational databases, such as PostgreSQL or MySQL

• experience with microservices or distributed systems

• practical knowledge of Git, Docker, and CI/CD pipelines, using tools such as GitHub Actions, GitLab CI, or Jenkins

• experience with automated testing, including JUnit, Mockito, or similar tools

• hands-on experience using AI-assisted development tools, such as GitHub Copilot, Cursor, Claude Code, or ChatGPT, in daily development work

• understanding of software design principles, clean code, and application security

• ability to independently deliver features and solve technical problems

• good communication skills and English at B2+ level

✨ Nice to have

• experience with AWS, Azure, or Google Cloud

• knowledge of Kubernetes

• experience with Kafka, RabbitMQ, or other messaging technologies

• familiarity with Redis or other caching solutions

• experience with GraphQL

• knowledge of infrastructure as code, such as Terraform

• experience with application monitoring and observability tools

📦 What we offer

• B2B contract

• rate: 120–150 PLN + VAT / h

• 100% remote work

• opportunity to collaborate on international software development projects

• modern technology stack and engineering practices

• opportunity to work with AI-assisted development tools

• collaboration with experienced engineering teams

• real influence on technical decisions and delivered solutions

Please note: This recruitment is part of our Talent Pool initiative. We are connecting with experienced Java Fullstack Developers for upcoming opportunities. Project details and potential start dates will be discussed individually as suitable opportunities become available.