Skip to content
Apply now

This job is listed on several sites
KYOTU Technology sp. z o.o.

Senior Java Engineer / Tech Lead

KYOTU Technology sp. z o.o. Show all offers
150 - 190 PLN
B2B
Senior
Warszawa
Expires Sep 27, 2026
22 days ago

In short

Senior Java Engineer / Tech Lead for backend development using Java and Spring Boot. Requires 8+ years of experience, knowledge of microservices, REST APIs, Kafka/RabbitMQ, SQL/NoSQL databases, Docker, Kubernetes, CI/CD, and cloud platforms. Offers B2B contract, 150-190 PLN/h + VAT, 100% remote work, long-term cooperation, and complex projects.

Keywords

Java Spring Boot Microservices REST APIs Kafka RabbitMQ Docker Kubernetes CI/CD AWS

AI-written summary based on the listing content.

Technologies we use

About the project

This is how we organize our work

This is how we work

Your responsibilities

  • develop and maintain enterprise-grade backend applications using Java and Spring Boot
  • lead technical initiatives within the development team and support engineers in delivering high-quality solutions
  • collaborate with product owners, developers, and business stakeholders to understand business needs
  • participate in technical design discussions and contribute to solution design
  • write clean, maintainable, and scalable code following engineering best practices
  • review code, mentor team members, and promote high engineering standards
  • identify technical challenges and proactively propose improvements
  • support software delivery throughout the entire development lifecycle
  • contribute to continuous improvement of development processes, CI/CD, and engineering practices
  • explore and evaluate new technologies and engineering approaches

Our requirements

  • minimum 8+ years of commercial experience in software development
  • very good knowledge of Java, Spring Boot, and enterprise application development
  • experience acting as a Tech Lead, Lead Developer, or senior technical mentor
  • experience developing distributed systems, microservices, and event-driven applications
  • experience with REST APIs, messaging solutions (e.g. Kafka, RabbitMQ), and system integrations
  • experience working with relational and NoSQL databases (e.g. PostgreSQL, Oracle, MongoDB)
  • experience with Docker, Kubernetes, and cloud platforms (AWS, Azure, or GCP)
  • experience with CI/CD pipelines and DevOps practices
  • strong understanding of software design principles, scalability, security, and performance optimization
  • ability to support technical decision-making and guide development teams
  • strong analytical and problem-solving skills with a proactive, ownership mindset
  • willingness to evaluate and adopt new technologies where they create business value
  • English and German at B2 level or higher

Optional

  • experience with Machine Learning, LLMs, or AI-driven solutions, or a strong interest in developing expertise in this area

What we offer

  • B2B contract
  • rate: 150-190 PLN + VAT / h
  • 100% remote work
  • long-term cooperation
  • projects with high technical complexity and real business impact
  • opportunity to work with experienced engineers and technology leaders
  • influence on technical decisions and engineering direction

Benefits

Published 2026-08-28
Source

Hexjobs App

Tools tailored to this listing.