22 of 22 Permanent Performance Testing Jobs in Northern Ireland

Recruitment are proud to be working exclusively with one of NI's fastest growing tech for good businesses as they seek to add a Performance Test Engineer to their team. If you are currently working as a Performance Test Engineer and seeking a new role, get in touch. … If you are an QA Automation Engineer with exposure to Performance Testing, then get in touch. We’re working exclusively with a forward-thinking technology client that’s making a genuine impact on environmental sustainability and infrastructure resilience. Their data-driven platform helps solve complex challenges in the … SaaS solutions. As they continue to expand their product suite and customer base, they’re now looking to bring in a talented and experienced Performance Test Engineer to lead on all things performance testing—from strategy to hands-on execution. About the Role This is a fantastic More ❯

choose Instil because we are seen as a cut above. We are looking for a Principal QA Engineer with a strong background in automated testing tojoin our dynamic team.Over the years we have built a reputation like no other; creating great software through a culture of engineering excellence, curiosity … Working Hours 35 Days Holiday Private Pension (8% Employer, 5% Employee) Private Healthcare Life Assurance Cycle to Work Scheme Day to Day Automation and Testing (Primary Focus) Help define and evolve the automated testing strategy to ensure scalability and maintainability Advise engineering teams on suitable test automation approaches … and maintain robust automated test frameworks using modern tooling such as Playwright Automate different types of functional (E2E, UI and API) and non-functional (performance) tests using appropriate tools and methodologies Collaborate with developers to integrate automated tests into CI/CD pipelines (e.g., Jenkins, GitHub Actions) Identify opportunities More ❯

We are looking for a passionate and analytical SAP Performance Engineer to join our growing NFT SAP practice in the UK. This role is ideal for someone who thrives in cross-functional environments, is deeply knowledgeable in SAP performance tuning, particularly with S/4HANA and is driven … to optimize large-scale enterprise systems for scalability, resilience, and speed. You will play a key role in analysing performance issues, troubleshooting bottlenecks, and designing robust solutions across SAP landscapes, with exposure to cutting-edge technologies like SAP BTP, cloud platforms (AWS/GCP), Docker, and Kubernetes. Primary Responsibilities … Collaborate with functional and technical teams to diagnose and resolve SAP system performance challenges. Design and execute performance benchmarking strategies for SAP S/4HANA and integrated systems. Provide technical recommendations on system tuning, database optimization, and workload distribution. Conduct end-to-end performance tests and simulate More ❯

Software Test Engineer - automated and manual. This is a remote role. Experience Required Scripting automated tests utilising JavaScript or TypeScript , ideally with Cypress Experience testing APIs with Postman Performance Testing Testing modern JavaScript/Typescript web stacks e.g. React.js, Node.js, Express.js Working in public cloud environments More ❯

the quality and reliability of complex trading systems. This is a unique opportunity to work at the forefront of financial technology within a high-performance, collaborative environment. The Role: We are seeking a talented QA Automation Engineer with a strong background in test automation for high throughput, low latency … systems. You'll work closely with software developers, quants, and infrastructure teams to design and implement robust testing frameworks that ensure the stability and performance of trading applications. Key Responsibilities: Design, develop, and maintain automated testing frameworks for trading systems Build test plans, cases, and scripts for … functional, regression, and performance testing Identify, document, and track bugs, performance issues, and system bottlenecks Collaborate across teams to ensure software meets functional and non-functional requirements Continuously improve QA processes, tools, and methodologies Preferred Experience: Bachelor’s or Master’s degree in Computer Science, Engineering, or More ❯

development of our core product suite. This includes creation/execution of test scripts, identifying defects, being a subject matter expert on Reward products, testing estimates and resource planning across multiple environments. The Role The Lead Test Engineer will be responsible for implementing the automated testing strategy within … quality and reliability of software products. This role involves leading a team of test engineers, working across multiple stakeholders to develop a comprehensive automated testing solution to support CICD, and collaborating with other departments to deliver high-quality software solutions. Testing Strategy: Develop, implement, and maintain comprehensive testing strategies and plans to ensure the quality and reliability of software products. Ensure that testing is integrated into the development process. Collaboration: Work closely with software developers, product managers, and other stakeholders to understand requirements and ensure that testing is aligned with project goals. Test Automation: Oversee More ❯

using Playwright and Selenium Write scalable test code in C# (SpecFlow) and TypeScript (Cucumber) Create behaviour-driven tests using Gherkin syntax Plan and execute testing across multiple delivery pipelines Embed test automation into CI/CD workflows using Azure DevOps Proactively identify, isolate, and resolve defects Act as a … Testing SME confidently engaging with clients and stakeholders Ideal Candidate Profile: Proficient in C# and TypeScript development Hands-on experience with SpecFlow, Cucumber, Selenium, and Playwright Comfortable using BDD and Gherkin syntax in a real-world setting Strong analytical and debugging skills Experience in both manual and automated testing Strong communication skills with client-facing experience Familiarity with Azure Test Plans, Azure DevOps, and performance testing tools (e.g., JMeter) This is a fantastic opportunity to join one of the UK’s most respected Microsoft Partners in a role that blends deep technical challenge with real client More ❯

Responsibilities Develop and implement software solutions, troubleshoot technical challenges, and think creatively to solve complex problems Write secure, efficient, and production-ready code; maintain performance-driven algorithms Create architectural and design documents for complex applications; ensure code aligns with design principles Analyze and synthesize data sets to create visualizations … equity, inclusion, and mutual respect Required Qualifications Formal training or certification in system design, plus relevant hands-on experience Demonstrated experience in application development, testing, deployment, and operational maintenance Proficiency in one or more programming languages Experience with automation tools and continuous delivery practices Strong knowledge of the Software … technologies and services Experience designing and developing microservices-based architecture Commitment to continuous learning and innovation, especially in automation and modernization Familiarity with unit testing, mocking, and performance testing tools (e.g., JUnit, Mockito, BlazeMeter) Experience with monitoring tools such as Splunk, Dynatrace, and Grafana McGregor Boyall is More ❯

architecture, data structures, algorithms, and design patterns. Your Responsibilities Design, implement, and optimize robust Python applications to support our core business functionalities, ensuring high performance and responsiveness. Conduct code reviews and improve existing code to meet industry standards and best practices, with a focus on clean, maintainable, and scalable … applications. Mentor junior and mid-level engineers by guiding them through coding practices, design principles, and problem-solving techniques. Lead in unit, integration, and performance testing of applications, employing automation where possible. Proactively troubleshoot and resolve issues across development, staging, and production environments. Partner with product managers, DevOps … with cloud platforms (e.g., AWS, Azure, GCP) and containerization technologies (Docker, Kubernetes). Solid experience with Git and Git-based workflows. Experience with automated testing frameworks and libraries (e.g., Pytest, Unittest). Strong experience with web frameworks like Django or Flask for backend development. Expertise in building and consuming More ❯

Your primary responsibilities will include: Writing test cases. Automating test scripts. Identifying and troubleshooting issues. Ensuring that all products meet the highest standards of performance and functionality before release. Managing release processes and working with the VP of Engineering to define and execute strategic initiatives to ensure product quality … with automation frameworks such as Selenium, Cypress, JUnit, or TestNG; CI/CD pipelines; feature flag management; and automated testing. Deep understanding of software testing methodologies (e.g., regression, functional, unit, integration, and scale/performance testing). Strong analytical and troubleshooting skills to identify and resolve complex More ❯

quality assurance efforts across the mobile app and digital platforms. You'll work closely with internal teams and external suppliers to uphold and improve testing standards, with a strong focus on maintaining and evolving their mobile app test automation framework built on Appium. Key requirements: We’re looking for … someone who can clearly demonstrate hands-on expertise across both automation and functional exploratory testing, with strong test planning skills and a quality-first mindset. You should have solid experience using key QA tools to a high standard on Mobile Apps, including: Appium Playwright Postman (API Platform) Confluence for … test and project documentation Continuous Integration tools Bonus Points for experience with: An object-oriented programming language such as C# or Java Lighthouse for performance testing (scripting and CI integration) Sonar for security analysis (scripting and CI integration) Lucidchart or Miro for visual test documentation Jira/Confluence More ❯

to understand the objectives, goals and requirements, share knowledge and collaborate • Design, develop and deploy applications capable of meeting and exceeding the anticipated load, performance and availability volumes, including load balancing, performance testing and benchmarking Essential skills/knowledge/experience: • Java, SpringBoot (Data, Integration, Web), JPA More ❯

ECS, EKS, DynamoDB, Bedrock) Knowledge of git version control, branching, and code versioning. Passionate about code quality, adhering to best practices for code quality, performance, testing, monitoring, documentation, CI/CD. Experience working in an agile framework preferable, including defining functional and non-functional requirements and sprint tasks. More ❯

m partnered with are hiring Java Engineers who thrive in collaborative teams and love solving technical challenges. What You’ll Do: Build scalable, high-performance microservices using Java & Spring Boot Design, develop, and integrate APIs Collaborate with clients and cross-functional teams on technical design Work with modern tooling … CI/CD, containers, AWS, automated testing) What You’ll Bring: 3+ years of Java experience (Spring Boot) Some grasp of cloud services (AWS preferred) Experience in areas like TDD, performance testing, or Kubernetes A proactive mindset and passion for clean, scalable code Bonus if you know More ❯

m partnered with are hiring Java Engineers who thrive in collaborative teams and love solving technical challenges. What You’ll Do: Build scalable, high-performance microservices using Java & Spring Boot Design, develop, and integrate APIs Collaborate with clients and cross-functional teams on technical design Work with modern tooling … CI/CD, containers, AWS, automated testing) What You’ll Bring: 3+ years of Java experience (Spring Boot) Some grasp of cloud services (AWS preferred) Experience in areas like TDD, performance testing, or Kubernetes A proactive mindset and passion for clean, scalable code Bonus if you know More ❯

m partnered with are hiring Java Engineers who thrive in collaborative teams and love solving technical challenges. What You’ll Do: Build scalable, high-performance microservices using Java & Spring Boot Design, develop, and integrate APIs Collaborate with clients and cross-functional teams on technical design Work with modern tooling … CI/CD, containers, AWS, automated testing) What You’ll Bring: 3+ years of Java experience (Spring Boot) Some grasp of cloud services (AWS preferred) Experience in areas like TDD, performance testing, or Kubernetes A proactive mindset and passion for clean, scalable code Bonus if you know More ❯

m partnered with are hiring Java Engineers who thrive in collaborative teams and love solving technical challenges. What You'll Do: Build scalable, high-performance microservices using Java & Spring Boot Design, develop, and integrate APIs Collaborate with clients and cross-functional teams on technical design Work with modern tooling … CI/CD, containers, AWS, automated testing) What You'll Bring: 3+ years of Java experience (Spring Boot) Some grasp of cloud services (AWS preferred) Experience in areas like TDD, performance testing, or Kubernetes A proactive mindset and passion for clean, scalable code Bonus if you know More ❯

teams Collaborate with engineering, product, and business teams to align on requirements and architectural direction Ensure robust, scalable, and high-performing software solutions Conduct performance testing, load balancing, and deployment planning Contribute to the creation of tools and scripts supporting platform delivery Support continuous integration and DevOps practices More ❯

Angular). Familiarity with PHP, cloud platforms (AWS/GCP/Azure), Docker/Kubernetes is a bonus. A strong focus on clean code, performance, testing, CI/CD, and agile principles. High level of autonomy and accountability – able to manage your own work and lead by example. More ❯

and inference products for our GenAI cloud platform. In this role, you will design and optimise scalable systems for generative AI models, tackle complex performance challenges, and implement cutting-edge AI solutions. This is a unique opportunity to redefine how generative AI is built and consumed globally, working alongside … a world-class team renowned for record-setting performance and a strong commitment to open-source innovation. Responsibilities Collaborate with researchers, engineers, and product teams to develop innovative platform features and integrate cutting-edge advancements. Architect, build and optimise scalable, high-performance systems for training, fine-tuning, and … based approaches for fine-tuning AI models. Develop robust, fault-tolerant systems for data ingestion, processing, and model customisation. Optimise GPU utilisation and system performance using frameworks like DeepSpeed, Triton Inference Server, TensorRT, and custom CUDA/Rocm kernels. Conduct performance testing and resolve bottlenecks across training More ❯

BESS EPC projects from inception to commissioning. Coordinate cross-functional teams including engineering, procurement, and construction. Oversee grid interface design, commissioning protocols, and system performance testing. Monitor and manage project timelines, costs, and deliverables. Manage risk mitigation strategies and ensure HSE compliance. Serve as the key point of contact More ❯

Quality Assurance (QA) Analyst to join our technology team within a dynamic financial organization. The QA Analyst will be responsible for ensuring the quality, performance, and reliability of software applications and systems used across the business. This role involves designing and executing test plans, identifying bugs, and working closely … and operational standards. Key Responsibilities: Develop and implement test plans, test cases, and test scripts for financial software applications. Perform functional, regression, integration, and performance testing. Identify, document, and track defects using standard QA tools. Collaborate with developers, business analysts, and project managers to ensure software quality and compliance. More ❯