Fullstack Developer - Python at G Mass — Dublin, Ireland

About The Role

We are seeking an experienced Full Stack Developer to join a specialist technology team building and maintaining proprietary software platforms across the treasury, collateral, and trade operations space within a leading funds environment. You will play a key role in delivering new functionality, driving enhancements, and supporting mission-critical systems within a Middle Office environment.

Responsibilities

Develop new applications that serve and extend existing software systems
Further develop and enhance current platform capabilities across multiple modules and architectures
Contribute to the automated build process in line with development best practices
Design, build, and deploy AI agents and agentic workflows to enhance platform capabilities
Investigate emerging technologies and present findings for architectural review
Design and conduct testing across new and existing functionality
Maintain systems documentation and knowledgebase content to support operational efficiency
Develop documentation and assistance tools to support end users
Contribute to system releases and provide third-level support as required
Identify and explore opportunities to add value through continuous improvement

Requirements

2+ years of Python development experience (FastAPI, PostgreSQL)
TypeScript and React 18 frontend development
AWS Cloud Platform, including hands-on experience with AWS Bedrock
Agentic AI development — designing and deploying autonomous or semi-autonomous agents
Familiarity with agentic frameworks such as LangChain, Strands, or equivalent
Proficient with APIs, service-oriented architectures, and test-driven development
BS in Computer Science, Computer Engineering, or equivalent experience