Cloud-Native Full-Stack Engineer (Python/React)

Sigma Software; Województwo mazowieckie; On-site; PLN 150,000 - 220,000; Full time

Job summary

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.

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

Responsibilities

• 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.

Skills

Python

PostgreSQL

TypeScript

React

REST APIs

Kubernetes

GitLab CI

Cloud infrastructure

English

Tools

GitLab CI

Kubernetes

Job description

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.