Praca w miastach:Praca IT Warszawa•Praca IT Kraków•Praca IT Wrocław•Praca IT Szczecin•Praca IT Poznań•Praca IT Lublin•Praca IT Katowice•Praca IT Bydgoszcz•Praca IT Łódź•Praca IT Białystok•Praca IT Toruń•Praca IT Gdańsk
Stanowiska:Grafik komputerowy praca•Tester gier praca•Programista praca•Tester oprogramowania praca•Frontend Developer praca•Data scientist praca•Tester manualny praca•Tester praca•Analytics praca•Tester aplikacji praca•Programista java praca•Web developer praca
Technologie i narzędzia:Python praca•Cyberbezpieczeństwo praca•Java praca•Bazy danych praca•Cisco praca•C++ praca•Javascript praca•SQL praca•Business Intelligence praca•Delphi praca•Wordpress praca•Testowanie aplikacji praca•C# praca•PHP praca
Specjalizacje:Backend praca•Devops praca•Frontend praca•Full-stack praca•GameDev praca•Mobile praca•Embedded praca•Architecture praca•QA/Testing praca•Security praca•AI/ML praca•Big data science praca•Helpdesk praca•IT admin praca•Agile praca•Product Management praca•Project Management praca•UX/UI praca•Business analytics praca•SAP & ERP praca•System analytics praca•PO/PM praca•Scrum master praca•Analityka praca•Data analytics & BI praca
Offer summary
(Summary generated by AI based on the full job description)
The project focuses on building modern, scalable web applications. Core stack: React.js, JavaScript, TypeScript for frontend and Kotlin for backend; also Docker, Kubernetes and CI/CD. Responsibilities include designing and developing responsive UIs, building services and APIs in Kotlin, contributing to architectural decisions, creating and maintaining CI/CD pipelines and deployments, monitoring and troubleshooting, conducting code reviews and mentoring team members. Benefits: private medical care, dental care, life insurance, sports activity subsidy, cafeteria.
from: 17 September 2026
to: 17 October 2026
180 - 200 złnet (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:senior • expert
working mode:remote
Warszawa, Wola
Requirements
Expected technologies
JavaScript
TypeScript
Kotlin
Docker
Kubernetes
Git
Optional technologies
AWS
Our requirements
- Proven experience in Full Stack or Web Application Development.
- Strong hands-on expertise in React.js, JavaScript, and TypeScript.
- Solid understanding of HTML5, CSS3, and modern frontend development practices.
- Practical experience in backend development with Kotlin.
- Experience working with CI/CD pipelines and DevOps principles.
- Knowledge of Docker and Kubernetes.
- Proficiency with Git and modern version control workflows.
- Strong analytical, troubleshooting, and problem-solving skills.
- Excellent communication skills and ability to work effectively in cross-functional teams.
- Previous experience in a Technical Lead, Team Lead, or Senior Engineer role, with a proven track record of mentoring developers, driving technical decisions, and leading project delivery.
- Ability to coordinate development activities, provide technical guidance, conduct code reviews, and ensure adherence to engineering best practices.
Optional
- Experience leading distributed or global development teams.
- Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
- Familiarity with microservices architecture and distributed systems.
- Experience with automated testing frameworks and quality assurance practices.
- Understanding of Agile/Scrum methodologies.
Your responsibilities
- Design, develop, and maintain responsive web applications using React.js, JavaScript, and TypeScript.
- Build intuitive and engaging user experiences with a strong focus on usability and performance.
- Ensure cross-browser compatibility and responsive design best practices.
- Develop, enhance, and maintain backend services and APIs using Kotlin.
- Create scalable, secure, and maintainable solutions that support business requirements.
- Collaborate on system architecture and technical design decisions.
- Partner with Product Owners, UX/UI Designers, QA Engineers, and fellow Developers to deliver exceptional products.
- Participate in agile ceremonies, code reviews, and technical discussions.
- Contribute to continuous improvement initiatives and engineering excellence.
- Build and maintain CI/CD pipelines to streamline software delivery.
- Deploy and manage applications using Docker and Kubernetes.
- Monitor, troubleshoot, and resolve issues across development and production environments.
About the project
Are you passionate about building modern, scalable applications and working across the entire technology stack? We are looking for a talented Full Stack Engineer with strong expertise in React.js and Kotlin to help design, develop, and deliver innovative digital solutions. This is an exciting opportunity to work in a collaborative environment where your contributions will have a direct impact on product success.
What You'll Do:
As a Full Stack Engineer, you will play a key role in developing high-quality applications from concept to deployment.
Benefits
- sharing the costs of sports activities
- private medical care
- life insurance
- dental care
- cafeteria benefits
COGNIZANT
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
This is how we work
Full Stack Developer - Lead (React & Kotlin)
180–200 zł / hr. (B2B)
I apply to:
COGNIZANT
Warszawa, Wola
Need more information?
- Make sure the body of the offer doesn’t already include what you’re looking for.
- Ask a question if you need more information you’re interested in.
- We’ll forward your question to the employer and aim to provide a response within 3 business days.