Senior Software QA Engineer jobs in Antrim County

Senior Quality Assurance Engineer Location: UK-based (hybrid/flexible) Eligibility: UK work authorisation required (no sponsorship available) We're looking for a Senior QA Engineer to join a global tech team building high-performance platforms used across financial markets. You'll be the go-to person for driving automation and quality-first practices, working side-by-side with developers, product...

Senior QA Engineer - 85% Manual / 15% Automation (Cypress) - Hybrid (one day in Belfast) Were looking for a Senior QA Engineer who takes pride in delivering high-quality software. In this role, youll focus primarily on hands-on manual testing while also contributing to Cypress automation to help ensure our client's products meet the highest standards. Youll work one day per week in a brand-new...

You will be a quality advocate and will drive automation-first practices, with a strong focus on API testing. Working closely with developers and product owners, you will ensure high-quality, reliable software is delivered each sprint. This is a hands-on role with significant autonomy, where you will shape testing strategy, mentor others, and contribute to building robust automation frameworks.

You will be part of a global engineering function responsible for delivering innovative, integrated solutions.

You will drive BDD and TDD practices, work closely with developers and product owners, and ensure that each sprint delivers high-quality, production-ready software.

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

You will join the Cloud Platform team, building out new features and functionality to evolve core services and applications that form the foundation of aPrioris Cloud solution.

You will own the lifecycle of the services and application you work with, and be responsible for the DevOps pipelines and releases to production.

You will be part of a global team building innovative, integrated technology that powers critical financial and analytical systems.

You will build and maintain automated testing frameworks, drive quality standards within the team, collaborate with software and data engineers, and ensure systems are thoroughly validated through unit, integration, and end-to-end testing.

MCS Group is working exclusively with a high-growth software company with deep roots in Belfast. We're seeking a Senior Software Engineer with strong expertise in Java to join a growing team within their engineering function in Belfast. As a Senior Java Developer, you'll be part of a group driving transformation across some pretty unique industries, helping global brands through the creation of...

Mid/Senior QA Engineer - OchoX Exclusive FDI | Belfast At a glance Mid/Senior QA Engineer role in a new Belfast engineering hub Build and maintain automated test frameworks for real-time trading systems Work closely with developers, DevOps, and product teams Contribute to QA strategy and help shape testing best practices Competitive salary up to £65k plus Bonus About the Company Our client is a...

You will work closely with backend engineers, product managers and other stakeholders to embed quality throughout the development lifecycle as the platform continues to scale and modernise.

Senior Software Engineer (React, Typescript) Location: Belfast (3 days per week in office) Salary: 65-75k + bonus A global market infrastructure organisation is seeking a Senior Software Engineer to help shape the future of its digital platforms, delivering business-critical software for internal broking teams and external clients. You'll join a high-performing Agile engineering team working on...

You will play a key role in defining and executing QA strategy, building robust automated testing frameworks, and ensuring high-quality delivery across back-end services, APIs and data pipelines.

You will play a key role in designing, delivering, and supporting system integrations for enterprise customers. Working closely with technical stakeholders, you will lead discovery sessions, translate business requirements into scalable technical solutions, and ensure seamless flow between customer systems and the platform.

Senior Software Engineer (.NET) Back end Location: Belfast / Hybrid Eligibility: UK work authorisation required We are working with a global financial services technology organisation that builds business-critical platforms used across international markets. They're looking for a Senior Software Engineer to join a highly capable engineering team delivering scalable, cloud-native systems. This is...

Senior Software Engineer Location: Belfast, UK (Remote-first / Hybrid options available) Contract Type: Permanent Level: Senior (Individual Contributor - backend focus) The Opportunity We're looking for a Senior Backend Engineer to join a highly collaborative and structured Content Core team. This team is the first major entry point for user-generated content workflows, responsible for...

QA Automation Engineer - Hybrid Company Overview We're working with a growing technology team who are building high-performance, user-focused products. They're now seeking a QA Engineer to strengthen test coverage, drive quality standards, and ensure reliable software delivery across both frontend and backend systems. This is a great opportunity for someone who is passionate about automated...

You will collaborate with highly capable engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while helping shape engineering standards and best practices.

You will contribute to designing, executing, and maintaining test strategies and test cases, working closely with the IT and development teams to deliver high-quality software.

Senior Front-End Software Engineer (React) Location: Belfast / Hybrid Eligibility: UK work authorisation required I'm working with a global financial services technology organisation that builds high-volume, business-critical platforms used across international markets. They're looking for a Senior Front-End Engineer to help design and deliver modern, scalable user interfaces used by both...

Job description. Senior Software Engineer - Java Location: Belfast / Hybrid Eligibility: UK work authorisation required This role sits within a global technology business building large-scale platforms used by millions of people every day. You'll join a highly capable engineering team working on complex, high-throughput systems where reliability, performance, and clean design really matter. As a...