Senior Performance Engineer jobs in Newtownabbey

Senior Performance Engineer - UK Ready to Make a Real Impact? Join e-STORAGE! Who We Are Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more...

You will be tasked with complex technical troubleshooting, diagnosing root causes of failures, and developing sustainable maintenance protocols. Proficiency in data analysis tools and scripting languages is essential, alongside a proactive approach to continuous process improvement and long-term system health planning.

You will guide not only what we do, but how we do it—ensuring that results are achieved with rigor, transparency, and purpose. This is a leadership position for someone who understands that true performance comes from alignment: between strategy and execution, data and intuition, teams and clients.

Job reference 333582 Senior Change Deployment Manager - 6 Month Fixed Term Salary from £47,322, 10% annual bonus potential, 25 days annual leave plus bank holidays rising with service and a company pension scheme with highly competitive contribution rates Fixed Term, Full time Covering Northern Ireland (some travel to England for meetings required) Working to the Transformation Change Lead the...

A leading global bank in Belfast is seeking a Senior Software Engineer (Java) to design and develop high-performance, distributed systems for Fixed Income trade processing. The ideal candidate will have over 5 years of experience in Java development and a solid understanding of multi-threaded applications and modern development practices. Employees will benefit from a competitive salary, flexible...

A leading global bank in Belfast is seeking a Senior Software Engineer (Java) to design and develop complex systems. The ideal candidate will have over 5 years of experience in Java and a solid understanding of microservices architecture. This role offers a competitive package including 27 days of annual leave, a performance-related bonus, and private medical care. Join a diverse team in a...

NOC Engineer Location: Newtownabbey / Belfast Salary: Up to 32k pa + 4k shift allowance Hours: Rotating shifts (see below) 24/7 team Contract: Full-time, permanent About the Role We are seeking a skilled and motivated NOC Engineer to join our dynamic Network Operations Centre (NOC) team. Based at our Belfast site, this role is part of a 24/7 shift pattern supporting critical IT and network...

This Azure Cloud Engineer position ensures the delivery of strategic technology tasks and projects. The role requires an open mind to cover new technologies and to assess the advancement and key items that could benefit from key strategies such as Automation and cost efficiencies. Be the technology pillar for the Team lead to cascade requests, changes, problems, root cause analysis and...

A leading global bank located in Belfast is seeking a Senior Software Engineer (Java) to design and develop large, complex distributed systems. The role requires 5+ years of Java experience, strong knowledge in Spring Framework, and proficiency in multi-threaded applications. Additionally, candidates should have excellent problem-solving skills and the ability to work under pressure. The position...

I'm looking for a talented Software Engineer to join a growing engineering team and help build scalable, cloud-native applications. You'll work across the full development lifecycle, designing and delivering high-quality solutions using Java, TypeScript, and AWS in a modern, agile environment. What You'll Do - Design, develop, and maintain backend services using Java and cloud-native...

You will part of the escalation process for the site

Software Engineer Location: Belfast, Northern Ireland (Hybrid) Compensation: Open to discussion on compensation based on experience + equity About Opinly At Opinly, we're revolutionizing competitor analysis and SEO automation for digital marketers. Our mission is to empower businesses to stay ahead in the competitive landscape through data-driven decisions. You can learn more about us at...

You will work closely with Senior, Staff and Principal Engineers across Belfast and the wider global engineering organisation, contributing to large scale distributed systems while acting as a technical authority within the team. This role offers a strong mix of hands-on development, architectural decision making and mentorship.

Senior Cloud Engineer - Global Insurance Company Fantastic opportunity to join a global insurance companyon a team which is rapidly growing, where you will be involved in the implementation and management of cloud solutions on multiple platforms. You would be instrumental in ensuring the performance, scalability, availability and security of their cloud environment, as well as having the option...

MCS Group is working with a global leader in the FinTech industry as part of an exciting expansion project. They are looking for a Senior DevOps Engineer, with experience in Python and AWS, to help build out their operations in Belfast. As a DevOps Engineer, you will be responsible for designing, implementing, and maintaining scalable and secure cloud infrastructure. You'll play a key role in...

Senior Quality Engineer Medical Device Startup | £60M Raised Why This Role Matters This is a rare opportunity to join a high-growth medical device startup that has raised £60M from top-tier investors and is scaling rapidly towards global commercialisation. The company is building next-generation medical technologies that will meaningfully improve patient outcomes. As Senior Quality Engineer,...

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

Job description. Senior Data Engineer Location: Belfast (Hybrid) Contract: Full-time, permanent This role sits within a global tech business operating at serious scale, where data underpins products used by millions of people every day. You'll join a high-performing engineering group responsible for building and evolving large, distributed data platforms that power analytics, insights, and...

Senior DevOps Engineer About Our Client Our client is a rapidly growing, AI-driven technology company transforming how enterprises deliver quality software. Their agentic test automation platform helps global organisations ship faster through adaptive, resilient AI-powered testing. They are now hiring a Senior DevOps Engineer to strengthen their cloud and infrastructure capabilities. The Role...

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...