Python Backend Engineer | APIs, Microservices & Data

Decskill; Lisboa; On-site; EUR 60,000 - 90,000; Full time

Job summary

Decskill is expanding its team in Portugal. We seek a Python Software Developer to design, build, and maintain scalable back-end services and data integrations.

You will create APIs, microservices, and event-driven integrations to support complex data ecosystems across international projects. Join a collaborative, agile environment with CI/CD, testing, and strong emphasis on code quality, security, and performance.

Qualifications

• University degree or equivalent professional experience in IT/CS/Information Management or related field.
• Strong experience in Python development with FastAPI and Flask frameworks.
• Solid API design skills with RESTful/microservices architectures.
• Experience with unit and integration testing (PyTest/Unittest).
• Experience with ALM/Octane and test management tools.
• Advanced SQL skills incl. PostgreSQL and database design/optimisation.
• Knowledge of CI/CD, Git workflows, code reviews, and observability.
• Experience with cloud environments (AWS or IBM) and Docker.
• Experience in Agile/DevOps environments and collaboration tools (Jira, Confluence, Git, ALM).
• Experience with third-party data, data governance, or data management is a plus.
• Ability to work across Technical Business Analyst, Developer, and Tech Lead roles.

Responsibilities

• Design, secure, and scale back-end architectures supporting third-party data ecosystems.
• Develop and maintain scalable applications and integrations for data accessibility and real-time availability.
• Build APIs, microservices, and event-driven integrations for business processes.
• Translate requirements into high-quality, scalable software solutions.
• Code and test components per development and security standards.
• Implement unit/integration testing and assist defect analysis/resolution.
• Contribute to code quality, maintainability, and performance with best practices.
• Industrialize solutions using CI/CD best practices.
• Participate in code reviews and apply design patterns and clean architecture.
• Support testing (FAT/UAT) and defect resolution.
• Assist deployment activities and service continuity.
• Ensure adherence to quality, security, and development standards.
• Collaborate with Business Analysts and Solution Architects to align technical solutions with business needs.
• Contribute to continuous improvement and innovation of data ecosystem and related apps.
• Support maintenance across the software development lifecycle.
• Analyse user requirements and support changes adoption.

Skills

Python

FastAPI

Flask

API design

RESTful services

Microservices

Unit testing

Integration testing

ALM/Octane

PostgreSQL

SQL

CI/CD

Git workflows

Code reviews

Clean architecture

Design patterns

Observability

AWS

IBM

Docker

Agile/DevOps

Jira

Confluence

Git

ALM

Education

University degree in IT / CS

Tools

Docker

AWS

GIT

ALM

PostgreSQL

Jira

Confluence

Job description

Decskill is expanding its team in Portugal. We seek a Python Software Developer to design, build, and maintain scalable back-end services and data integrations.

You will create APIs, microservices, and event-driven integrations to support complex data ecosystems across international projects. Join a collaborative, agile environment with CI/CD, testing, and strong emphasis on code quality, security, and performance.