Full-Stack Engineer (Python / React)

Sigma Software; Województwo mazowieckie; In loco; PLN 150.000 - 220.000; Tempo pieno

Descrizione del lavoro

Sigma Software is seeking a Middle Full Stack Engineer to work on scalable cloud-native systems in the telecommunications domain. You will use Python on the back end and React on the front end to build a modern Product Information Service as part of an international team.

You will contribute throughout the full software development lifecycle, participate in architecture discussions, implement APIs, tests, deployment, and continuous improvement in a modern engineering environment.

Competenze

• 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 deployment approaches.
• Familiarity with Kubernetes and containerized environments.
• Experience with CI/CD practices and related tools such as GitLab CI.
• Upper-Intermediate English level.

Mansioni

• 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.

Conoscenze

Python

PostgreSQL

TypeScript

React

REST APIs

Kubernetes

GitLab CI

Cloud infrastructure

English

Strumenti

GitLab CI

Kubernetes

Descrizione del lavoro

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

• 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

• 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

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