Full-Stack Engineer (Python / React)
Company: Sigma Software
Role summary
Full-Stack Engineer (Python / React) is a role at Sigma Software in Warsaw, Masovian Voivodeship, Poland (remote). Posted 2026-10-12. Experience level: 2-5.
- Job title
- Full-Stack Engineer (Python / React)
- Company
- Sigma Software
- Location
- Warsaw, Masovian Voivodeship, Poland
- Work arrangement
- remote
- Category
- Software Engineering
- Experience level
- 2-5
- Date posted
- 2026-10-12
Get paid to build cloud-native systems for a leading Swedish telecom company, all from the comfort of your home office. This full-time role is perfect for someone with strong Python and React skills looking to make a big impact.
Job description
Company Description
Looking for an opportunity to work on scalable cloud-native systems within the telecommunications domain? We are searching for a Middle Full Stack Engineer with strong Python expertise and solid React skills to join an international team building a modern Product Information Service.
CUSTOMER
Our Customer is a leading Swedish telecommunications company delivering innovative large-scale technology solutions across complex infrastructure environments. Operating internationally and serving millions of users, the company collaborates with global technology leaders to drive digital transformation initiatives and modernize enterprise connectivity services through cloud-native and data-driven solutions.
PROJECT
The team is developing a Product Information Service — a scalable cloud-native platform designed to manage product-related data and enable seamless integration across multiple systems. The solution focuses on reliable data management, API development, and distributed system integration to ensure efficient information flow between platforms.
As part of the project, you will participate in the full software development lifecycle, contributing to architecture discussions, implementation, testing, deployment, and continuous improvement initiatives within a modern engineering environment.
Key Technologies: Python, React, TypeScript, PostgreSQL, Kubernetes, GitLab CI, Microsoft Azure, REST APIs
Job Description
Develop and maintain Back-end and Front-end components of a web-based data-intensive system
Design, implement, and support REST APIs and integrations with internal platforms and services
Build and maintain scalable applications and database solutions
Write clean, maintainable, and testable code following engineering best practices
Create and maintain unit, integration, and end-to-end tests
Participate in code reviews and contribute to technical documentation
Collaborate closely with stakeholders, engineers, and product teams during regular meetings and planning sessions
Participate in Agile ceremonies including estimation, backlog grooming, sprint planning, and retrospectives
Contribute to system reliability, deployment automation, and performance optimization activities
Qualifications
3+ years of professional software development experience with Python
Strong experience with SQL and PostgreSQL
Working knowledge of TypeScript and React
Experience building and maintaining RESTful APIs
Understanding of cloud infrastructure and modern application deployment approaches
Familiarity with Kubernetes and containerized environments
Experience with CI/CD practices and related tools such as GitLab CI
Understanding of software development best practices, testing approaches, and code quality standards
Upper-Intermediate English level
WILL BE A PLUS
Experience with Next.js
Experience with Microsoft Azure, especially AKS
Familiarity with MCP and RAG-based systems
Additional Information
PERSONAL PROFILE
Strong problem-solving and analytical skills
Ability to work independently and collaboratively within distributed teams
Good communication and stakeholder interaction skills
Proactive mindset with attention to quality and maintainability
Willingness to contribute to technical discussions and continuous improvement initiatives
Apply for Full-Stack Engineer (Python / React) at Sigma Software