Senior Full-Stack Developer- React/ Node.js
Level
Senior
Department
Other IT Positions
Type
Full Time
Project
NDA
Locations:
Warsaw
Hybrid
Job Details
Posted on:
January 22, 2026
Job ID:
About the Company
Established in 2004, ALLSTARSIT was founded with a clear vision: to enhance the landscape of global IT employment by bridging the gap between companies and skilled professionals. The core belief was that assembling a team shouldn't be hindered by geographical constraints. Fast forward to the present day, ALLSTARSIT stands as an international outstaffing service provider committed to change the way businesses recruit, compensate, and oversee top talent worldwide.
With operational hubs scattered across Europe, Asia, and LATAM, and its headquarters situated in San Francisco, US, the company boasts a workforce of over 1,000 adept professionals. Spanning across more than 20 countries, ALLSTARSIT offers a diverse range of skilled employees across various verticals, including AI, cybersecurity, healthcare, fintech, telecom, media, and so on.
With operational hubs scattered across Europe, Asia, and LATAM, and its headquarters situated in San Francisco, US, the company boasts a workforce of over 1,000 adept professionals. Spanning across more than 20 countries, ALLSTARSIT offers a diverse range of skilled employees across various verticals, including AI, cybersecurity, healthcare, fintech, telecom, media, and so on.
About the Project
Our client is a fast-growing global tech company that builds a high-impact web platform used by millions worldwide. Their product powers websites at massive scale, with a strong focus on performance, innovation, and user experience. The company offers a collaborative, product-driven environment where engineers have real influence on architecture and features, working with modern technologies on solutions that shape how the web is built today.
Challenges:
- Product as a Platform - Elementor is a platform on which thousands of applications have been built. You’ll face the challenge of developing a reliable platform to support those businesses.
- You’ll design and write high-quality components to enhance system capabilities while maintaining system quality and stability.
- You’ll work on a complex and technical product with many different use cases that is used by millions of web sites and customers.
Specialization
Headquarters
Years on the market
Team size and structure
Current technology stack
Required skills:
- 6+ years of proven experience as a full-stack developer, with 4 years of proven experience working with web applications using React or pure JavaScript (ES6+)
- 3+ years of experience with CSS
- 3+ years of experience in Node.js/ Typescript
- 2+ years of experience with Nest.JS
- Experience with Databases - MySQL is a Must
- Experience with building scalable backend services -Must
- Experience with the adoption of AI-powered development tools (e.g., GitHub Copilot, ChatGPT for coding assistance) - Must
- Experience and deep understanding of web application development and the web cycle, including:
- Writing unit tests & E2E tests (Playwright experience - an advantage)
- Avoiding security vulnerabilities
- Experience with cross-browser compatibility
- Strong English language communication skills
- Experience with Elementor - an advantage
- Having built or maintained an open-source project - an advantage
- Experience with SCSS - an advantage
Scope of work:
- Plan and develop new user-facing products and features
- Participate in the technical design of features
- Ensure the technical feasibility of UI/UX designs
- Maintain the stability of the system using automated tests
- Collaborate with other team members and stakeholders
Why ALLSTARSIT?
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