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Salary
$46k – $70k per year
Location
In office (Kraków)
Employment
Contractor

First seen by Alion on Oct 21, 2026.

Overview
Company
Impact
Profile match
Braver IT is a Polish software engineering company that builds AI-powered and real-time backend systems, including AdTech and real-time bidding products. It hires senior and lead Node.js, Python and Go engineers and staff backend engineers in Kraków, Katowice, Warsaw and Rzeszów. The company is based in Poland.

We are looking for a Fullstack Developer with a strong frontend focus to join an international software development project.

You will primarily work with React and TypeScript, while also contributing to backend development using Java and Spring Boot.

This role is ideal for someone who is confident in frontend development, has commercial exposure to Java, and enjoys working across the full application stack.


What You Can Expect
  • Long-term B2B cooperation on an international project.
  • 100% remote work.
  • Flexible working hours.
  • Opportunity to contribute to technical decisions and architecture.
  • Modern development practices and collaborative engineering teams.
  • Knowledge sharing and professional development opportunities.

Zakres obowiązków

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

Wymagania

Our Requirements
  • 4+ years of commercial software development experience.
  • Strong commercial experience with React and TypeScript.
  • Hands-on commercial experience with Java and Spring Boot.
  • Familiarity with JPA/Hibernate.
  • Experience with REST APIs, JSON, and WebSockets.
  • Knowledge of Git, Docker, and CI/CD practices.
  • Experience with frontend testing tools (e.g. Cypress, Jest).
  • Familiarity with Agile/Scrum environments.
  • English at B2 level or higher.
Nice to Have
  • Experience with JUnit and backend integration testing.
  • 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.

Tech stack

  • React
  • TypeScript
  • Java
  • Spring Boot
  • JPA
  • Hibernate
  • REST API
  • JSON
  • Git
  • Docker
  • CI/CD
  • Testing
  • Cypress
  • Agile
  • Scrum
  • JUnit
  • Integration test
  • Java EE
  • JSF
  • JBoss
  • AWS
  • Kubernetes
  • Terraform
  • SQL
  • NoSQL
  • MySQL
  • MongoDB
  • Kafka
  • Hadoop
  • Spark
  • Webpack
  • Apache
  • Prometheus
  • ELK Stack
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