Senior Full Stack Engineer
Sigma Software GroupKyiv, Ukraine
Posted April 6, 2026
Full Time
About the Company
Sigma Software Group is a leading IT consultancy with over two decades of experience, offering comprehensive solutions to businesses across various sectors. With a team of over 2,100 professionals in 40 offices worldwide, they specialize in IT consulting, software development, web development, and AI solutions, among other services. Their commitment to innovation is evident through initiatives like Sigma Software Labs and collaborations with venture capital funds, making them a trusted partner for cutting-edge product development.
Job Description
We are looking for a Senior Full Stack Engineer to join our team and help build innovative, data-rich web applications for global clients. This role offers the opportunity to work on cutting-edge solutions using modern technologies, contributing to products that shape industries and empower millions of users worldwide.
Requirements
- 5+ years of professional experience with JavaScript/TypeScript across frontend and backend
- Strong experience with React and Vite for scalable frontend applications
- Solid hands-on experience with Node.js, NestJS, and REST API development
- Experience with data layer technologies, including PostgreSQL on AWS RDS and BigQuery
- Practical knowledge of D3.js or similar libraries for interactive data visualization
- Exposure to modern AI-powered backend solutions, including Agentic AI
- Strong knowledge of HTML, CSS, and JavaScript fundamentals
- Upper-Intermediate spoken and written English
Benefits
- Competitive benefits
- Supports professional growth