Mid Fullstack Developer (Java + React)
Offer summary

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

The international project focuses on building and maintaining web applications. Required stack includes Java, Spring Boot, JPA and frontend React, TypeScript. Key technologies and tools are REST API, WebSockets, Git, Docker, CI/CD and testing with JUnit, Cypress. Responsibilities include fullstack development, building REST APIs, contributing to architecture, writing tests, performing code reviews and collaborating with Product, QA and DevOps.

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Mid Fullstack Developer (Java + React)

Company: ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

from: 14 October 2026
to: 13 November 2026
salary not specifiedB2B contract (full-time)
Offer parameters
level:mid
working mode:remote
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

Java
Spring Boot
TypeScript
React.js
SQL
Docker
Git
JUnit
Cypress

Optional technologies

Java
JavaScript
AWS
Kubernetes
Terraform
MySQL
MongoDB
Kafka
Hadoop
Apache Spark
Vite
webpack
Prometheus
Elasticsearch

Operating system

Windows

Our requirements

  • 4+ years of commercial software development experience.
  • Commercial experience with Java, Spring Boot, and JPA.
  • Commercial experience with React and TypeScript.
  • Experience with REST APIs, WebSockets, and JSON.
  • Knowledge of Git, Docker, and CI/CD practices.
  • Experience with automated testing (JUnit, Cypress).
  • Familiarity with Agile/Scrum environments and tools such as Jira and Confluence.
  • English at B2 level or higher.

Optional

  • Experience with Java EE, JSF, or JBoss.
  • Experience in pharmaceutical or life sciences projects.
  • Knowledge of AWS, Kubernetes, or Terraform.
  • Experience with SQL/NoSQL databases (MySQL, MongoDB).
  • Familiarity with Kafka, Hadoop, or Spark.
  • Experience with Vite, Webpack, or Apache JackRabbit.
  • Knowledge of monitoring tools such as Prometheus or ELK.

Your responsibilities

  • Develop and maintain fullstack applications using Java, Spring Boot, React, and TypeScript.
  • Build REST APIs and integrate frontend applications with backend services.
  • Contribute to architecture improvements and technical discussions.
  • Write unit and integration tests to maintain code quality.
  • Collaborate with Product, QA, and DevOps teams.
  • Participate in code reviews and Agile ceremonies.

About the project

We are looking for a Mid Fullstack Developer with hands-on commercial experience in Java, Spring Boot, React, and TypeScript to join an international software development project.
You will work across backend and frontend, contribute to technical decisions, and collaborate with experienced engineers to build reliable, maintainable applications.

This is how we organize our work

This is how we work

you develop several projects simultaneouslyyou have influence on the technological solutions appliedyou have influence on the productyou focus on product developmentyou focus on code maintenanceagilescrum

Team members

backend developerfrontend developerdevOpsautomated test programmermanual testerproduct ownerproject manager

This is how we work on a project

  • code review
  • Continuous Deployment
  • Continuous Integration
  • DevOps
  • documentation
  • issue tracking tools
  • test automation
  • unit tests
Company

What we offer

  • Long-term B2B cooperation on an international project.
  • 100% remote work.
  • Flexible working hours.
  • Opportunity to influence technical decisions and architecture.
  • Modern development practices, CI/CD, and collaborative engineering teams.
  • Knowledge sharing, technical support, and professional development opportunities.

Development opportunities we offer

  • development budget
  • support of IT events
  • technical knowledge exchange within the company

Benefits

  • remote work opportunities
  • flexible working time

ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

As Venture Building, we create profitable technology companies from scratch. We collaborate with partners who share similar aspirations and are open to leveraging the potential of their networks, cultivated over years. We regularly launch new projects founded on long-term, amicable relationships with our associates.
Mid Fullstack Developer (Java + React)
I apply to:
ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Kraków, Lesser Poland

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