Fullstack Developer - Python

G MASS Consulting · Dublin

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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

Desirable

• AWS AgentCore; advanced Generative AI / Agentic AI experience
• Event-driven application architecture
• Financial industry experience
• AG Grid, AG Charts, Rsbuild, Module Federation, Pydantic, JWT, Docker

Benefits

Salary: to be discussed, depending on experience

Length: Permanent contract

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