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Fullstack Java Developer
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on systems for document verification and secure data processing. Technologies include Java, Spring Boot, PostgreSQL, Docker and REST and SOAP integrations. The team develops solutions for environments with high security and reliability demands. Responsibilities cover backend development, working across system components, and making key technical decisions within a mature Agile team. The rate is 100-150 PLN + VAT/h. Benefits include private medical care, language support, flexible working hours.

you can start ASAP

Fullstack Java Developer

Company: KYOTU Technology sp. z o.o.

from: 29 May 2026
to: 28 June 2026
100 - 150 złnet (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:remote
Warszawa, Masovian
Warszawa, MasovianPoniatowskiego 1View on map

Requirements

Expected technologies

Java
Spring Boot
PostgreSQL
Docker

Optional technologies

Angular
Vue.js
React.js

Our requirements

  • strong experience in Java backend development (5+y)
  • hands-on knowledge of Spring Boot and modern backend frameworks
  • experience working with relational databases, preferably PostgreSQL
  • practical experience with Docker
  • experience with system integrations (REST and/or SOAP)
  • ability to work across different technologies and system layers (backend-first, with openness to other areas)
  • high level of adaptability and independence in a dynamic environment
  • strong sense of ownership, responsibility, and problem-solving mindset
  • good communication skills and team orientation
  • experience in building modern frontend applications (e.g. React, Angular, Vue)
  • experience with desktop applications (e.g. JavaFX, Swing)
  • familiarity with CI/CD pipelines
  • English at B2 level

Optional

  • German at B2 level
  • knowledge of additional programming languages

Your responsibilities

While Java is the core technology, we are looking for an engineer with a broad technological perspective, comfortable working across different languages, tools, and system components depending on project needs.
You will join a mature Agile team of senior-level specialists, where autonomy, ownership, and strong technical decision-making are expected and valued.

About the project

We are looking for a Senior Software Engineer to join an internal engineering team at Kyotu Technology, working on advanced systems related to digital identity, document verification, and secure data processing.
The team builds and develops solutions used for validating document authenticity, processing structured data, and integrating complex systems in environments with high security requirements. These systems focus on reliability, data integrity, and secure communication between distributed services.

This is how we organize our work

This is how we work

in houseat the client's siteyou focus on a single project at a timeyou can change the projectyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou have influence on the productyou develop the code "from scratch"you focus on product developmentagilescrum

Team members

40 people:backend developerfrontend developerfullstack developermobile developertechnical leaderdevOpsautomated test programmermanual testerproject managerscrum masterIT administrator

This is how we work on a project

  • Clean Code
  • code quality measures
  • code review
  • design patterns
  • static code analysis
  • DDD
  • architect / technical leader support
  • Continuous Deployment
  • DevOps
  • SysOps
  • team-level deployment
  • documentation
  • issue tracking tools
  • functional tests
  • integration tests
  • pen tests
  • performance tests
  • regression tests
  • test automation
  • testing environments
  • unit tests
  • manual tests

🗂️ Note:

We’re currently building a talent pool for upcoming projects. If you’d like to be considered for future opportunities at Kyotu, send us your CV — we’ll reach out when a matching project becomes available.
Company

Development opportunities we offer

  • development budget
  • substantive support from technological leaders
  • technical knowledge exchange within the company
  • time for development of your ideas

What we offer

  • rate: 100 to 150 PLN + VAT/h
  • contract: B2B, long-term cooperation
  • work model: remote or hybrid (willingness to attend the office once a month)
  • team: senior engineering team with real ownership
  • projects: technically challenging systems in the area of security, data processing, and system integrations

Benefits

  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • remote work opportunities
  • flexible working time
  • integration events
  • no dress code

Recruitment stages

  • 1.
    Meeting with HR Manager (30 minutes)
  • 2.
    Technical check (60 minutes)
  • 3.
    Decision

KYOTU Technology sp. z o.o.

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 complex, production-grade systems with real business impact.

This is how we work

Fullstack Java Developer
100–150 zł / hr. (B2B)
I apply to:
KYOTU Technology sp. z o.o.
Warszawa, Masovian
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