251 to 275 of 349 Regression Testing Jobs in England

Senior Quality Assurance Automation Engineer

Location
Greater London, England, United Kingdom
security and confidence into their software delivery lifecycle. You’ll work alongside Software Developers, DevSecOps Engineers and QA specialists to design and maintain automated testing that is embedded directly into CI/CD pipelines. This is a hands-on role for someone who enjoys building robust automation frameworks, testing … scalable test automation frameworks and libraries Test Python 3.13+ , microservices and containerised applications Work extensively with Docker and modern container platforms Embed automated testing directly into GitLab CI/CD pipelines Build automated regression, performance and load testing Translate user stories and acceptance criteria into comprehensive automated ...

QA Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
+ Benefits Type: Permanent Role The Role: · Join a high-growth technology business developing innovative digital financial products. · Design, build and maintain automated testing solutions across a modern microservices environment. · Work closely with Product Managers, Developers and QA colleagues to ensure high-quality software delivery. · Drive automation best practices … reduce reliance on manual testing. · Execute smoke, regression, functional and API testing activities. · Leverage AI-powered tools to improve testing efficiency and productivity. Requirements: · Proven years of experience in QA Automation Engineering. · Strong Java and/or Kotlin programming skills. · Experience with Selenium, Selenide or Playwright. · Strong ...

Test Engineer - Systems Integration & Interoperability

Hiring Organisation
Quast
Location
Corsham, Wiltshire, United Kingdom
Salary
£ 55 K
deliver hands-on engineering support to the OpNET FMN Spiral 6 Data Centric Interoperability (DCI) Pilot, developing and executing verification, validation, interoperability and compliance testing activities to support acceptance of the solution.The role focuses on the creation, execution and reporting of test activities across infrastructure, security, identity, interoperability … Spiral 6 DCI capability.Support the development and execution of the Validation and Verification (V&V) plan.Develop functional, non-functional, integration, interoperability and regression test scenarios.Execute test activities across infrastructure, security, identity, policy enforcement and interoperability components.Conduct interoperability testing between OpNET, partner systems and FMN-aligned services.Support validation ...

Customer Engineer, Agent Builder - French Speaking

Location
Greater London, England, United Kingdom
Diagnose, debug, and resolve both probabilistic and technical failures through root‐cause analysis of execution traces, error logs, and model behavior. Design evaluation and regressiontesting frameworks to validate agent behavior against ground truth and guard against performance drift. Translate customer needs into clear internal documentation … comfortable writing code, working with APIs, and building/validating integrations end‐to‐end. Experience delivering production‐grade customer solutions that require structured execution, testing/validation, and iteration. Ability to communicate clearly with senior technical stakeholders, translate requirements into implementation plans, and drive delivery. Comfort working in fast ...

Test Engineer – Systems Integration & Interoperability

Location
Corsham, England, United Kingdom
deliver hands‐on engineering support to the OpNET FMN Spiral 6 Data Centric Interoperability (DCI) Pilot, developing and executing verification, validation, interoperability and compliance testing activities to support acceptance of the solution. The role focuses on the creation, execution and reporting of test activities across infrastructure, security, identity, interoperability … Spiral 6 DCI capability. Support the development and execution of the Validation and Verification (V&V) plan. Develop functional, non‐functional, integration, interoperability and regression test scenarios. Execute test activities across infrastructure, security, identity, policy enforcement and interoperability components. Conduct interoperability testing between OpNET, partner systems ...

Research Engineer

Location
Tipton, England, United Kingdom
good judgment for designing, building, and debugging complex systems Experience building evals for AI systems, including datasets, judges, metrics, offline replay, tracing, or regression testing Practical understanding of modern model adaptation and post‐training methods, including LoRA/QLoRA, SFT, distillation, preference optimization, reward modeling, DPO/GRPO ...

Senior AI Engineer - LLMs and Finetuning

Hiring Organisation
9fin
Location
London, United Kingdom
Salary
£ 80 K
quality datasets, generating synthetic training data, and creating data flywheels that continuously improve model quality.Model Evaluation: Ability to design rigorous benchmarks, evaluation frameworks, and regression testing systems that measure real-world model performance.Financial Domain Modelling: Experience applying AI to complex financial and legal domains, including credit, restructuring, debt ...

Staff AI Engineer - AI Transformation

Hiring Organisation
Multiverse Group
Location
London, United Kingdom
Salary
£ 80 K
quality of what goes to production.Build the evaluation and quality infrastructure. You design and build automated eval pipelines, human-in-the-loop review, regression testing for prompt changes, and the domain-specific metrics that tell the team whether its AI systems are doing what they shouldOwn the integration ...

Digital Verification Engineer

Location
Cambridge, England, United Kingdom
advanced verification methodologies. Responsibilities Develop and debug SystemVerilog/UVM testbenches. Create and execute verification plans, tests, and coverage. Debug simulation failures and support regression testing. Contribute to verification infrastructure and automation. Collaborate closely with design engineers to ensure high-quality silicon. Participate in code reviews and contribute ...

Full Stack Developer (Golang, AWS)

Hiring Organisation
Partnerscale
Location
Daventry, Northamptonshire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
will be designing Go services and the APIs, keeping the distributed side healthy in the cloud (AWS) and building the automated and regression tests that let releases go out clean. You will work closely with Product and with the people dealing with partners ...

IT&T Test Engineer - Automation

Location
Portsmouth, England, United Kingdom
Park. The Integration Test & Trials Automation Test Engineer will deliver and be responsible for automating and scripting Test development and assurance scripts for acceptance testing of the NSoIT(D) IT systems The individual will report to the project Test Managers and be integrated into the IT&T team … responsible for automating new and existing manual Test Scripts for the Core/Hub Networks, undertaking formal & informal testing in support of the System Test Plan and Test Script proving on Test & Development Rig(s). Main Responsibilities will include, but are not limited to: Lead on the developing ...

Senior Android Engineer - Design Systems

Hiring Organisation
Wise
Location
London, United Kingdom
Salary
£ 80 K
Engineer, you will:Participate in or lead other engineers through the full lifecycle of a feature, from its discovery and technical specification to authoring, testing, documenting, releasing, presenting, and eventually maintaining it. Help troubleshoot, fix, and support other product teams in resolving problems related to our work. Represent … managing design tokens (colors, spacing, typography) globally.The ability to build clean, intuitive, and highly flexible APIs that other developers can easily integrate.Experience with visual regression testing and optimizing UI performance to ensure zero dropped frames.An appetite for building delightful user experiences. High attention to detail. Strong commitment ...

Senior Software Development Engineer in Test (SDET)

Hiring Organisation
Capco
Location
London, United Kingdom
Salary
£ 80 K
Senior Software Development Engineer in Test (SDET)Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: PermanentAdvance your testing career while shaping digital finance with automationThe RoleCapco is growing our Engineering team and we're looking for experienced SDETs with a passion for delivering innovative solutions in financial services. … automated scripts, and quality reporting to support end-to-end delivery.Manage test environments and generate reliable, consistent test data to support functional, integration, and regression testing.Execute UI and API automation using modern testing frameworks while integrating automated testing into CI/CD pipelines.Collaborate with engineers and cross ...

Programme Test Manager

Location
Manchester, England, United Kingdom
migrating around 280,000 in-force policies across the UK and Ireland. The role is particularly suited to someone with strong financial services testing experience who can provide clear governance, manage complex migration assurance and give senior stakeholders an evidence-based view of quality and release readiness. Key Skills … Policy Administration Systems within Protection, Life, Pensions or related products Data migration testing, reconciliation and transformation validation Test strategy, integrated test planning and quality governance System, integration, E2E, regression and UAT testing Defect governance and quality reporting Cutover, release and production assurance Regulated UK/Ireland Financial ...

QA Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
strong focus on innovation, automation, and continuous improvement. The Role Build and improve automation frameworks for web applications and APIs Develop automated regression and functional testing solutions Support the delivery of a new client-facing web platform Work closely with developers and product teams to improve software quality … tools to accelerate testing, debugging, and test creation Contribute to CI/CD processes and testing strategy Your Skills & Experience Strong QA automation engineering experience Expertise in API and UI testing Experience with Playwright, Selenium, or similar tools Knowledge of Java or Kotlin Strong understanding of HTML ...

QA Engineer

Location
Greater London, England, United Kingdom
Type: Permanent Role The Role: Join a high-growth technology business developing innovative digital financial products. Design, build and maintain automated testing solutions across a modern microservices environment. Work closely with Product Managers, Developers and QA colleagues to ensure high-quality software delivery. Drive automation best practices and reduce … reliance on manual testing. Execute smoke, regression, functional and API testing activities. Leverage AI-powered tools to improve testing efficiency and productivity. Requirements: Proven years of experience in QA Automation Engineering. Strong Java and/or Kotlin programming skills. Experience with Selenium, Selenide or Playwright. Knowledge ...

Staff ML Performance Engineer (Inference Optimisation)

Hiring Organisation
wayve
Location
London, United Kingdom
Salary
£ 80 K
improvements.Implement and validate optimisations in compilers, runtimes, and/or kernels (e.g. operator fusion, scheduling, quantisation-aware performance, custom kernels).Build robust benchmarking and regression testing to ensure performance improvements hold across models, devices, and software releases.Optimise for multiple targets (e.g. NVIDIA Orin/Thor, Qualcomm) and work … operating at multiple levels of abstraction — from high-level model behaviour down to low-level kernel/runtime execution.Strong software engineering fundamentals (debugging, profiling, testing, and maintainable code).Clear communicator and collaborative teammate; able to align multiple stakeholders on performance trade-offs and priorities.DesirableExposure to embedded or edge deployment ...

Staff ML Performance Engineer (Compiler)

Hiring Organisation
wayve
Location
London, United Kingdom
Salary
£ 80 K
pinpoint bottlenecks across the full inference stack (model graph, compiler/runtime, kernel execution, memory movement) and deliver measurable improvements.Build robust benchmarking and regression testing to ensure performance improvements hold across models, devices, and software releases.Develop and optimise for multiple target platforms (e.g. NVIDIA Orin/Thor, Qualcomm … operating at multiple levels of abstraction — from high-level model behaviour down to low-level kernel/runtime execution.Strong software engineering fundamentals (debugging, profiling, testing, and maintainable code).Clear communicator and collaborative teammate; able to align multiple stakeholders on performance trade-offs and priorities.DesirableExperience with compute graph scheduling ...

Staff ML Performance Engineer (Compiler)

Location
Greater London, England, United Kingdom
pinpoint bottlenecks across the full inference stack (model graph, compiler/runtime, kernel execution, memory movement) and deliver measurable improvements. Build robust benchmarking and regression testing to ensure performance improvements hold across models, devices, and software releases. Develop and optimise for multiple target platforms (e.g. NVIDIA Orin/… multiple levels of abstraction — from high-level model behaviour down to low-level kernel/runtime execution. Strong software engineering fundamentals (debugging, profiling, testing, and maintainable code). Clear communicator and collaborative teammate; able to align multiple stakeholders on performance trade‐offs and priorities. Desirable Experience with compute graph ...

QA Test Engineer

Hiring Organisation
LEO RECRUITMENT LIMITED
Location
Poole, Dorset, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
influence it earlier. This role offers something more involving. You’ll join an established software company that is investing in modern development tools and testing approaches. Working closely with developers, product specialists and DevOps throughout the Agile delivery cycle, you’ll help shape test coverage, identify risks, and improve … into complex software. Not simply check it at the end. The work spans web, mobile and API-based applications, combining thoughtful manual and exploratory testing with automation. With varied projects, technically interesting problems, and software used at scale, this is an opportunity to keep learning while making a visible ...

Quant Developer

Location
Greater London, England, United Kingdom
calculation types (e.g., price-to-yield, DV01, accrued interest). Implement and validate quantitative models for fixed income instruments. Ensure rigorous unit and regression testing for all enhancements. Collaborate with quants and developers to clarify requirements and resolve ambiguities. Maintain high standards of code quality and documentation. Support ...

Low Latency Java Developer

Location
Greater London, England, United Kingdom
systems Working with FIX, multicast and high-performance messaging Optimising JVM applications for low allocation, low GC and predictable latency Developing simulation, backtesting and regression-testing frameworks Taking ownership from design and architecture through to production These responsibilities come directly from the underlying brief. What we’re looking ...

Founding Engineer, Agent Systems

Location
Greater London, England, United Kingdom
years shipping production LLM features Experience with agent frameworks, tool calling, and multi-step orchestration Production evals: dataset curation, LLM-as-judge failure modes, regression testing under model swaps Strong systems thinking: async, queues, idempotency Comfort being the named owner of AI quality, including saying no when needed ...

Workday Systems Reporting and UI Developer

Location
Preston, England, United Kingdom
SMEs and Leadership to help translate business requirements into scalable, insightful outputs Championing automation, standardisation, and the adoption of best practices Supporting system upgrades, regression testing, enhancements, and integrations from a systems reporting and UI perspective What we are looking for We value diverse experiences and perspectives. Here ...

Workday Integration Lead

Location
Greater London, England, United Kingdom
designs to resolve timeout constraints across critical billing, project, and contract streams. As a permanent member of the architecture team, you will establish rigorous regression-testing methodologies to ensure that continuous global HR data adjustments and localised worker profile modifications seamlessly align with underlying corporate financial accounting schemas ...