Senior Python Developer CONTRACT

IT Search; Dublin; On-site; EUR 90,000 - 120,000; Full time

Job summary

IT Search seeks senior Python developers for multiple roles in Dublin. These are 6-month rolling contract positions requiring 3 days onsite weekly at Sandyford.

You will design, build, and optimise backend systems handling high-scale transactions, modernising platforms and delivering production-grade microservices. You will design REST APIs with Python frameworks, model data with SQLAlchemy, and operate microservices in a distributed cloud environment.

Qualifications

• Strong commercial experience with Python and web frameworks (FastAPI, Flask, or Django).
• Deep expertise with SQLAlchemy and relational databases (PostgreSQL, MySQL, or similar).
• Experience building and operating microservices in production environments.
• Familiarity with cloud platforms (AWS) and containerisation (Docker).
• A solid understanding of API design, performance optimisation, and system reliability.
• Ability to work onsite in Dublin 3 days per week.

Responsibilities

• Design and build scalable RESTful APIs using FastAPI, Flask, or Django.
• Work extensively with SQLAlchemy for data modelling and database optimisation.
• Develop and maintain high-performance microservices in a distributed architecture.
• Refactor legacy systems into modern, cloud-ready applications.

Skills

Python

Web frameworks

API design

Performance optimisation

System reliability

Onsite Dublin

Tools

SQLAlchemy

Docker

AWS

Job description

Senior Python Developer – Multiple Roles (Dublin)

These roles are 6-month rolling contract positions.

3 days per week required onsite in Sandyford, Dublin.

We are hiring for several senior-level Python roles to join a high-performance engineering team at a global financial leader. This is a hands-on role where you will design, build, and optimise critical backend systems that operate at massive scale.

You will work on modernising core platforms, building high-throughput APIs, and delivering production-grade microservices that power millions of transactions daily.

What You\'ll Do

• Design and build scalable RESTful APIs using FastAPI, Flask, or Django
• Work extensively with SQLAlchemy for complex data modelling and database optimisation
• Develop and maintain high-performance microservices in a distributed architecture
• Refactor legacy systems into modern, cloud-ready applications

What We\'re Looking For

• Strong commercial experience with Python and web frameworks (FastAPI, Flask, or Django)
• Deep expertise with SQLAlchemy and relational databases (PostgreSQL, MySQL, or similar)
• Experience building and operating microservices in a production environment
• Familiarity with cloud platforms (AWS preferred) and containerisation (Docker)
• A solid understanding of API design, performance optimisation, and system reliability
• Ability to work onsite in Dublin 3 days per week