Java Software Engineer

Harrington Starr; Belfast City District; Hybrid; GBP 59,000 - 72,000; Full time

Benefits offered by this job

Salary up to £65,000

Hybrid working structure

Fintech industry exposure

End-to-end project ownership

AI-driven projects

Job summary

Harrington Starr invites applications for a Software Engineer in Belfast to join a leading global fintech software company. You will contribute to modernising systems, with strong Java backend and AI-focused initiatives, while engaging with front-end and back-end teams in a hybrid setup.

The role offers ownership of development projects, exposure to market data integrations, and collaboration across skilled engineers in a fast-paced environment shaping financial technology.

Qualifications

• Strong experience with Java development.
• Experience with microservices and modern software architectures.
• Experience across both front-end and back-end development, ideally with React.
• Experience working with APIs, integrations and market data.
• An interest in AI, with experience contributing to AI projects being advantageous.
• Strong communication, collaboration and problem-solving skills.

Responsibilities

• Develop and maintain Java applications and microservices.
• Design and implement APIs and integrations with market data feeds.
• Build front-end components and back-end services, ideally with React.
• Collaborate with cross-functional teams to deliver features on time.
• Contribute to AI-related initiatives and experiments.
• Ensure code quality, testing, and documentation.

Skills

Java

Microservices

React

APIs

AI interest

Teamwork

Tools

REST APIs

Agile

Job description

Software Engineer

Location: Belfast

Tech Stack: Java / Microservices / React / AI

Harrington Starr has partnered with a leading global software company specialising in market data and subscriptions to find a Software Engineer to join their team. The company is looking to modernise its existing systems and is seeking a skilled developer with strong Java experience and an interest in AI to contribute to key technology projects.

Key responsibilities:

• Strong experience with Java development
• Experience working with microservices and modern software architectures
• Experience across both front-end and back-end development, ideally with React
• Experience working with APIs, integrations and market data
• An interest in AI, with experience contributing to AI projects being advantageous
• Strong communication, collaboration and problem-solving skills

Key benefits:

• Salary up to £65,000
• Hybrid working structure
• Opportunity to contribute to key technology projects within financial services
• Exposure to both front-end and back-end technology teams
• End-to-end ownership of development projects
• The opportunity to contribute to modernisation initiatives and AI-driven projects

This is an excellent opportunity for a Software Engineer with strong Java experience and a keen interest in AI to join a leading global fintech software company. You will have the opportunity to take ownership of projects from end to end, contribute to the modernisation of existing systems and play a key role in the development of innovative AI solutions. Working across both front-end and back-end technologies, you will collaborate with talented teams in a fast-paced environment while helping shape the future of financial technology.