Fullstack Developer - Python

G MASS Consulting; Dublin; On-site; EUR 65,000 - 100,000; Full time

Job summary

G MASS Consulting is seeking an experienced Full Stack Developer to join a specialist technology team in Dublin, Ireland. You will build and maintain proprietary software across treasury, collateral, and trade operations within a leading funds environment, delivering new functionality and supporting mission-critical systems.

You will work on Python back-ends (FastAPI, PostgreSQL), TypeScript/React 18 front-ends, and cloud-oriented architectures on AWS Bedrock.

Qualifications

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

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.

Skills

Python development

TypeScript

React 18

AWS Bedrock

Agentic AI

LangChain / Strands

APIs / SOA

Test-driven development

Education

BS in Computer Science

Tools

Docker

Pydantic

JWT

AG Grid

AG Charts

Job description

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