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React Developer (TypeScript)
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Offer summary

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

The project focuses on an international web application with emphasis on frontend development. Core stack includes React, TypeScript and JavaScript (ES6+), HTML5, CSS3. Expected experience with REST APIs, WebSockets, frontend testing (e.g. Jest, Cypress) and working with Git and CI/CD. Responsibilities cover building and maintaining applications, creating scalable UI components, backend integration, performance optimization, writing tests, participating in code reviews and architectural decisions. Offered is long-term B2B cooperation, 100% remote and flexible working hours.

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React Developer (TypeScript)

Company: ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

from: 19 October 2026
to: 18 November 2026
22 000 - 22 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:remote
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

TypeScript
JavaScript
HTML
Cypress
Git

Optional technologies

Java
Spring Boot
Vite
webpack
Docker
AWS
Kubernetes
SQL
Prometheus

Our requirements

  • 4+ years of commercial frontend development experience.
  • Strong commercial experience with React and TypeScript.
  • Very good knowledge of JavaScript (ES6+), HTML5, and CSS3.
  • Experience building complex, scalable web applications.
  • Experience integrating applications with REST APIs, JSON, and WebSockets.
  • Understanding of component-based architecture and state management.
  • Experience with frontend testing tools (e.g. Jest, Cypress, React Testing Library).
  • Knowledge of Git and CI/CD practices.
  • Familiarity with Agile/Scrum environments.
  • English at B2 level or higher.

Optional

  • Experience with Java and Spring Boot.
  • Familiarity with frontend build tools such as Vite or Webpack.
  • Experience with Docker, AWS, or Kubernetes.
  • Knowledge of SQL/NoSQL databases.
  • Experience in pharmaceutical or life sciences projects.
  • Familiarity with monitoring tools such as Prometheus or ELK.

Your responsibilities

  • Develop and maintain modern web applications using React and TypeScript.
  • Design and build reusable, scalable UI components.
  • Integrate frontend applications with REST APIs and backend services.
  • Optimize application performance, responsiveness, and user experience.
  • Participate in technical discussions and frontend architecture improvements.
  • Write and maintain unit and integration tests.
  • Collaborate with Backend, QA, Product, and DevOps teams.
  • Participate in code reviews and Agile ceremonies.

About the project

We are looking for an experienced React Developer to join an international software development project.
You will focus on building and enhancing modern web applications using React and TypeScript, developing scalable UI components, and delivering high-quality frontend solutions.
This role is ideal for someone with strong frontend expertise who enjoys solving technical challenges, contributing to architectural decisions, and working in a collaborative engineering environment.

This is how we organize our work

This is how we work

you develop several projects simultaneouslyyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou have influence on the productyou focus on product developmentagilescrum

Team members

backend developerfrontend developertechnical leaderdevOpsautomated test programmermanual testerproduct ownerproject manager

This is how we work on a project

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

What we offer

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

Development opportunities we offer

  • development budget
  • external training
  • mentoring
  • technical knowledge exchange within the company
  • time for development of your ideas

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.
React Developer (TypeScript)
22k–22k zł / mth. (B2B)
I apply to:
ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Kraków, Lesser Poland

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