Senior Python Developer

Emergn

. Take ownership of a business-critical Python platform and help it grow.

Posted 10/2/2026full-timeRemote • PortugalSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Python development, particularly in building and maintaining backend services and APIs with Flask. Proficient in asynchronous processing, data manipulation with Pandas and NumPy, and maintaining CI/CD pipelines using GitHub Actions.

Highest-signal resume keywords

Python DevelopmentFlask API DevelopmentAsynchronous Processing with CeleryMongoDB Data ManagementCI/CD with GitHub Actions

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonFlaskCeleryRabbitMQMongoDBPandasNumPyGitGitHubAWS

Soft Skills

CollaborationProblem-SolvingCommunication

Tools & Technologies

GitHub ActionsGitHub CopilotAgile/Scrum

Industry Keywords

Financial ServicesPensionsInsurance

Tech Stack

Tools & technologies

AWSFlaskJavaScriptMongoDBNode.jsNumpyPandasPythonRabbitMQVue.js

About the role

Key responsibilities & impact

Take ownership of a business-critical Python platform and help it grow.
Develop and maintain backend services and APIs using Python and Flask.
Understand the behaviour of an existing, complex application and build new features without impacting what already works.
Design and implement asynchronous processing and background job workflows using Celery and RabbitMQ.
Work with MongoDB and process data using Pandas and NumPy.
Debug, troubleshoot, and resolve application issues.
Maintain code quality through automated tests, pull requests, and code reviews.
Maintain and improve CI/CD pipelines with GitHub Actions.
Collaborate with product, frontend, and DevOps teams to deliver end-to-end solutions.
Use GitHub Copilot and other AI tools to work more effectively.
Fill documentation gaps and contribute to technical best practices.

Requirements

What you’ll need

4+ years of professional software development experience, with Python as your main language.
Solid knowledge of Python, from the fundamentals to more advanced concepts.
Hands-on experience building REST APIs with Flask.
Experience with background jobs and asynchronous processing using Celery and a message broker such as RabbitMQ.
Hands-on experience with MongoDB, ideally through PyMongo.
Experience writing automated tests and making safe changes in large, existing codebases.
Comfort working with Git and GitHub, pull requests, and CI/CD pipelines.
Experience working in Agile/Scrum teams.
Professional working proficiency in English.
Based in Portugal.
Experience with Pandas and NumPy for data processing.
Experience with GitHub Actions.
Experience with AWS services.
Knowledge of Node.js or Vue.js.
Experience in financial services projects, such as pensions or insurance.

Benefits

Comp & perks

Work within a dynamic international team of experts.
Excellent opportunity for personal and professional development.
Flexible work model and the freedom to choose the tools that suit you best - Mac or Windows.
Ability to work with modern technologies.
Extensive catalogue of educational programs, the possibility of training and certification at the expense of the company.
Health and life insurance.
Meal allowance.
Internet allowance.
23 vacation days yearly.
Birthday gift.