Junior Full-Stack Engineer — Python / React, Cloud-Native

Sigma Software; Województwo mazowieckie; On-site; PLN 70,000 - 110,000; Full time

Job summary

Sigma Software is seeking a Junior Full-Stack Engineer to join a team building a cloud-native platform for a large telecom client. You will contribute to APIs, data processing, and scalable services using Python and React within a modern engineering environment.

You will collaborate with international teams in an Agile setup, gain exposure to Kubernetes, Azure, PostgreSQL, and front-end/back-end development, and grow under mentorship from senior engineers.

Qualifications

• 2+ years of professional software development experience with Python.
• Experience working with SQL databases, preferably PostgreSQL.
• Working knowledge of TypeScript and React.
• Understanding of REST APIs and web application architecture.
• Basic understanding of cloud infrastructure and application deployment.
• Familiarity with Kubernetes and containerized applications.
• Basic knowledge of CI/CD practices and tools such as GitLab CI.
• Experience working in Agile development environments.
• Strong problem-solving and communication skills.
• Intermediate or higher English level.

Responsibilities

• Contribute to development and maintenance of Back-end and Front-end components of a data-intensive platform.
• Assist in designing and implementing REST APIs and integrations with internal systems.
• Develop and maintain database-related functionality and data processing logic.
• Write and maintain unit and integration tests.
• Participate in code reviews and improve coding practices based on feedback.
• Collaborate with developers, QA engineers, and stakeholders in an Agile environment.
• Participate in sprint planning, backlog grooming, estimations, and other Agile ceremonies.
• Support technical documentation and knowledge-sharing activities.
• Continuously improve technical skills with mentorship from senior engineers.

Skills

Python

React

TypeScript

REST APIs

PostgreSQL

Kubernetes

GitLab CI

Azure

Agile

English

Tools

Azure

Kubernetes

GitLab CI

Job description

Sigma Software is seeking a Junior Full-Stack Engineer to join a team building a cloud-native platform for a large telecom client. You will contribute to APIs, data processing, and scalable services using Python and React within a modern engineering environment.

You will collaborate with international teams in an Agile setup, gain exposure to Kubernetes, Azure, PostgreSQL, and front-end/back-end development, and grow under mentorship from senior engineers.