Senior Python Developer – Career progression!

Archer Recruitment; Dublin; On-site; EUR 90,000 - 120,000; Full time

Job summary

Archer Recruitment in Dublin is seeking a Senior Python Developer for a global financial services client. You will design and build distributed Python systems on AWS, owning the process from conception to deployment and ensuring scalable, resilient architecture.

You will collaborate with product managers and architects, work with AWS services like Lambda, Fargate, and Step Functions, and contribute to the modernization of platforms while delivering high-impact solutions in a cloud-first

Qualifications

• Strong experience building end-to-end distributed Python systems.
• Solid SQL skills and experience with data-heavy applications.
• Hands-on AWS experience.
• Familiarity with CI/CD pipelines and DevOps practices.

Responsibilities

• Design and develop distributed systems using Python in an AWS cloud environment.
• Lead greenfield projects while modernising existing systems.
• Work with modern AWS services such as Lambda, Fargate, and Step Functions.
• Take ownership of the full development lifecycle: design, build, deploy, and optimise.
• Contribute to architectural decisions and best engineering practices.

Skills

Python

AWS

SQL

CI/CD

DevOps

Job description

Own the Build | Modern AWS Stack | Real Engineering Impact

A global financial services organisation with a long-standing market presence is expanding its Dublin engineering team and hiring a Senior Python Developer. As part of a major technology transformation, the company is investing heavily in modern cloud-first solutions, offering the chance to work across both greenfield builds and the modernisation of existing platforms.

This role sits within a critical business domain focused on Portfolio & Capital, where you’ll develop distributed Python systems that directly support core, revenue-generating operations. You’ll have genuine ownership, from design through to deployment, while working on scalable, resilient systems built on AWS.

You’ll collaborate closely with product managers, architects, and business stakeholders, playing a key role in shaping technical direction and delivering high-impact solutions.

What You’ll Do

• Design and develop distributed systems using Python in an AWS cloud environment
• Lead greenfield projects while modernising existing systems
• Work with modern AWS services such as Lambda, Fargate, and Step Functions
• Take ownership of the full development lifecycle: design, build, deploy, and optimise
• Contribute to architectural decisions and best engineering practices

What You’ll Bring

• Strong experience building end-to-end systems as a Senior Python Developer
• Solid SQL skills and experience with data-heavy applications
• Hands-on AWS experience
• Familiarity with CI/CD pipelines and DevOps practices

What’s in It for You

• Competitive salary and strong benefits package
• Opportunity to work with modern AWS technologies at scale
• A collaborative engineering culture where your input matters
• High ownership role with direct business impact
• Supportive, inclusive, and globally connected team

Why Apply?

If you’re looking to build cloud-native systems from the ground up, modernise legacy platforms, and take real ownership of meaningful engineering work, this opportunity offers exactly that.