Python Developer – Backend

Caixa Mágica Software

. Design, build, and maintain efficient, reusable and reliable Python code .

Posted 9/15/2026full-timePorto • PortugalMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Python programming, focusing on building efficient and reliable code while applying object-oriented and functional programming principles. Proficient in SQL and experienced in testing methodologies to ensure application performance and quality.

Highest-signal resume keywords

Python ProgrammingSQL ProficiencyObject-Oriented ProgrammingUnit TestingAgile Practices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonSQLObject-Oriented ProgrammingFunctional ProgrammingUnit TestingIntegration TestingEnd to End TestingScalable Application DesignData IntegrationRisk Metrics Calculation

Soft Skills

Problem SolvingCollaborationCommunication

Industry Keywords

AgileSAFERisk AppetiteRisk Decision-Making

Tech Stack

Tools & technologies

PythonSQL

About the role

Key responsibilities & impact

Design, build, and maintain efficient, reusable and reliable Python code
Rapidly prototype solutions to quickly prove/disprove new concepts
Identify bottlenecks and bugs, and devise solutions to these problems
Ensure the best possible performance, quality, and responsiveness of the applications
Incrementally deliver applications to meet dynamic customer requirements
Develop the core framework used for data integration and calculation of market and counterparty risk metrics
Support the definition of the risk appetite and risk decision-making process of the client

Requirements

What you’ll need

Solid understanding of object-oriented programming and functional programming paradigms
Proficient in Python, with a good knowledge of its ecosystem and architectural patterns
Experience with SQL and any industry standard relational database
Experience with unit, integration and end to end testing
Understanding fundamental design principles behind a scalable application
Familiar with Agile/SAFE practices is a plus
Fluent in English

Benefits

Comp & perks

A permanent job contract for a long term project
Tech equipment + SIM Card + personal smartphone
Health and Life Insurance
Social events and team buildings
The commitment of letting you grow with us, and be rewarded accordingly
A dynamic and young team that will be always there to support you
Training in the latest technologies
Coffee, fruits, snacks and a warm welcoming when you pass by the office