101 to 125 of 452 Regression Testing Jobs in the UK

Software Testing Engineer £65 per hour | Inside IR35 | 12-Month Contract | Full-Time Onsite | Stevenage Our client is a leading engineering and technology organisation operating at the forefront of defence and advanced technology programmes. They are seeking an experienced Software Testing Engineer to join a highly skilled team … responsible for the testing, validation and release of complex simulation software used within mission-critical environments. This is an excellent opportunity to work on cutting-edge projects, supporting the end-to-end software testing lifecycle within a collaborative Agile development environment. The Role As a Software Testing ...

engineering teams as they design and implement new database-backed features. You will help strengthen production readiness by establishing and improving practices around performance testing, release validation, monitoring, alerting, backup and recovery, high availability, access controls, and incident response. You will play a key role in troubleshooting complex production … query optimization, partitioning) and data quality remediation Strong understanding of database internals and transactional systems Experience implementing backup, recovery, and high-availability strategies Performance Testing & Release Validation Experience designing and implementing performance/load testing frameworks for data systems Knowledge of benchmarking, regression testing, and release ...

e.g., reducing flaky tests), and driving issues through to resolution within a continuous integration environment. Use Azure DevOps Test Plans to plan and execute regression testing, and Azure DevOps Pipelines to configure and run deployments to test environments. Improve our testing practices by identifying gaps in test … improvements, and sharing best practices with the team. Help maintain production quality by investigating production issues and driving preventative improvements, such as strengthening automated regression coverage and test automation. Essential requirementsWe encourage you to apply even if you don't meet every skill. Understanding of the Software Development Lifecycle ...

with technical support teams to investigate and resolve system defects and enhancement requests. Document business requirements, process flows, and functional specifications. Support user acceptance testing (UAT) and regression testing activities. Monitor model performance and identify opportunities for process simplification and automation. Develop planning knowledge articles, training materials ...

What does this role involve? This role is responsible for the verification of software of engineering products, as well the supervision of the software testing team. The main duties of the role include: Daily supervision of the Software Test Engineering Team, including conducting appraisals and assisting in the recruitment … team’s understanding of software and analyser platforms to develop appropriate test protocols and broaden team expertise. Create, locate and acquire data required for testing assignments. Estimate Software Testing activities as required by the Project Manager. Create verification test cases to assure: Quality, Functionality, Reliability and Usability ...

move comfortably between technical detail, data quality management and senior stakeholder engagement. Key Responsibilities Integration Leadership: Lead the Workday integration workstream across design, build, testing, deployment, cutover and hypercare. Design, develop, troubleshoot and support integrations using Workday Studio, EIBs, Core Connectors, Cloud Connect, PECI, Document Transformation and Workday … requirements into secure, scalable integration solutions. Maintain and improve integration standards, technical documentation, error handling, monitoring and operational handover materials. Support impact analysis and regression testing for Workday’s bi‐annual releases and other system changes. Data Migration & Quality: Lead structured data remediation activity across Workday and connected ...

templates and routing rules. Maintain clear, up-to-date documentation of e-sign configuration, process maps and known issues/fixes. Support user acceptance testing and regression testing for new e-sign features and integration changes. Work with the Product Owner to help scope and prioritise ...

/Test Engineer READ THIS BEFORE YOU APPLY You will be testing Kafka-based streaming data pipelines at genuinely enormous scale, and you will be writing the test strategy for the whole programme from a blank page. There is nothing in place today. If that sounds like … across volumes where sampling and eyeballing stop working and you need a genuine strategy. Build the CI safety net. Design and build the automated regression suite that runs on every release and proves accuracy, stability and response times have not moved. Own the strategy. Write the test strategy ...

across Treasury systems Identify and resolve discrepancies impacting liquidity confidence and risk accuracy Support reconciliation processes and ensure audit‐ready completeness of financial data Testing & Release Support with Treasury Assurance Ensures Treasury readiness and outcome protection for system changes and SaaS releases. Support execution of business testing, UAT, and regression testing Validate operational outputs resulting from system changes Assist in business readiness checks prior to release or cutover Essential 2–5 years’ experience in 1st/2nd Line Treasury systems or financial systems support Understanding of Treasury processes (payments, liquidity, settlements) Experience with incident ...

systems: Creating graph-based, multi-step workflows using loops, branching, routing, tool use, state management, retries and human-in-the-loop controls. Evaluation: Using regression sweeps, canary testing and LLM-as-judge scoring to determine what is ready to ship. ML infrastructure: Building versioned training pipelines, model registries … continuous improvement of our production pricing models. Turning pricing opportunities into measurable hypotheses, experiments and production changes. Evaluating pricing performance through backtesting, online testing and commercial metrics. Developing Bayesian, multi-armed bandit and other optimisation approaches for dynamic pricing. Working with commercial, finance and product teams to understand pricing ...

work on technology that supports some of the UK's most critical services. You'll be hands-on - writing and maintaining automated tests, testing APIs and integrations, investigating defects and helping engineering teams build quality in from the start. You'll be doing things like: Building and maintaining automated … test frameworks and test suites Functional, integration and regression testing API and end-to-end testing Working with CI/CD pipelines and development teams Investigating issues and driving defects through to resolution Improving testing processes, tooling and automation You'll bring: Active/current valid ...

work on technology that supports some of the UK's most critical services. You'll be hands-on - writing and maintaining automated tests, testing APIs and integrations, investigating defects and helping engineering teams build quality in from the start. You'll be doing things like: Building and maintaining automated … test frameworks and test suites Functional, integration and regression testing API and end-to-end testing Working with CI/CD pipelines and development teams Investigating issues and driving defects through to resolution Improving testing processes, tooling and automation You'll bring: Active/current valid ...

work on technology that supports some of the UK's most critical services. You'll be hands-on - writing and maintaining automated tests, testing APIs and integrations, investigating defects and helping engineering teams build quality in from the start. You'll be doing things like: Building and maintaining automated … test frameworks and test suites Functional, integration and regression testing API and end-to-end testing Working with CI/CD pipelines and development teams Investigating issues and driving defects through to resolution Improving testing processes, tooling and automation You'll bring: Active/current valid ...

work on technology that supports some of the UK's most critical services. You'll be hands-on - writing and maintaining automated tests, testing APIs and integrations, investigating defects and helping engineering teams build quality in from the start. You'll be doing things like: Building and maintaining automated … test frameworks and test suites Functional, integration and regression testing API and end-to-end testing Working with CI/CD pipelines and development teams Investigating issues and driving defects through to resolution Improving testing processes, tooling and automation You'll bring: Active/current valid ...

Term Contract A new exciting Fixed Term Contract opportunity has become available to join a leading UK housing care provider. They're seeking a Testing Team Lead to support the delivery of high-quality digital products across there agile teams. This role is perfect for someone who enjoys … objective setting, and performance reviews. Build capability through mentoring, knowledge sharing, and skill development. Support wellbeing and workload balance within the team. Testing Delivery and Quality Assurance: Lead planning and execution of test activities within agile teams. Ensure test approaches are risk-based and aligned to product scope. Oversee ...

completeness of financial dataTesting & Release Support with Treasury AssuranceEnsures Treasury readiness and outcome protection for system changes and SaaS releases. Support execution of business testing, UAT, and regression testing Validate operational outputs resulting from system changes Assist in business readiness checks prior to release or cutoverEssential … troubleshooting skillsDesirable Experience in FIS Integrity System Basic SQL or data interrogation capability Exposure to SWIFT, APIs, and integration technologies Experience supporting UAT or testing cyclesQualifications Degree in Finance, IT, or related discipline ITIL Foundation (preferred)Experience with FIS Integrity or similar Treasury and Risk Management systems is highly ...

Maintain accurate and up-to-date documentation including functional specifications, process flows, and data mapping documents Salesforce Revenue Cloud & Order-to-CashSupport the configuration, testing, and delivery of Salesforce Revenue Cloud (RCA/RCB) solutions including product catalog setup, quoting workflows, contract lifecycle management, billing schedules, and invoice generation … improvement opportunities Work closely with developers and implementation partners to ensure solutions are built to specification and aligned with business requirements Support integration testing between Salesforce and downstream systems including NetSuite, Avalara, and other revenue operations tools Testing & Quality AssuranceDevelop test scenarios, test cases, and test scripts from ...

accurate and up-to-date documentation including functional specifications, process flows, and data mapping documents Salesforce Revenue Cloud & Order-to-Cash Support the configuration, testing, and delivery of Salesforce Revenue Cloud (RCA/RCB) solutions including product catalog setup, quoting workflows, contract lifecycle management, billing schedules, and invoice generation … improvement opportunities Work closely with developers and implementation partners to ensure solutions are built to specification and aligned with business requirements Support integration testing between Salesforce and downstream systems including NetSuite, Avalara, and other revenue operations tools Testing & Quality Assurance Develop test scenarios, test cases, and test scripts ...

alignment, integration with connected systems, and smooth transition from project delivery into production support. You will contribute to SAP deployments, integration monitoring, issue resolution, testing, training, and continuous improvement activities across multiple countries. The role requires a strong understanding of SAP FI/CO, working knowledge of adjacent … implementation. Act as a key link between: Business key users Functional support teams Technical development teams Level 3 support and external providers Support integration testing and non-regression testing across SAP Finance and related processes. Develop and maintain training materials, user guidance, and curricula for multi-country ...

Role purpose Deliver high-quality testing for identity processing and provisioning across the identity lifecycle (joiner/mover/leaver). You'll validate that identities, accounts, and entitlements are provisioned and removed accurately, securely, and in line with control expectations. Key responsibilities Execute functional, integration, and regression testing for identity processing and provisioning changes. Test end-to-end flows across source systems (e.g., HR), identity platform, directories (AD/LDAP), and target applications. Validate provisioning outcomes: account creation/updates, entitlement assignment/removal, approvals, and de-provisioning. Perform negative and exception-path testing ...

Role purpose Deliver high-quality testing for identity processing and provisioning across the identity lifecycle (joiner/mover/leaver). You'll validate that identities, accounts, and entitlements are provisioned and removed accurately, securely, and in line with control expectations. Key responsibilities Execute functional, integration, and regression testing for identity processing and provisioning changes. Test end-to-end flows across source systems (e.g., HR), identity platform, directories (AD/LDAP), and target applications. Validate provisioning outcomes: account creation/updates, entitlement assignment/removal, approvals, and de-provisioning. Perform negative and exception-path testing ...

duties by ensuring business Data Owners remain accountable for data decisions and routine source-record maintenance unless a separately approved control permits direct action. Testing, release and change assurance Coordinate business user acceptance testing for relevant fixes, releases, enhancements and configuration changes. Agree expected results with process owners … ensure relevant regression testing is considered and retain evidence of testing and approval. Review release notes and change documentation, confirm that business prerequisites have been met and coordinate functional sign-off through the agreed governance process. Support user communications, concise guidance and targeted training where system behaviour ...

ensure the quality, accuracy, and reliability of data platforms and pipelines. The ideal candidate will be responsible for validating complex data workflows, executing comprehensive testing strategies, and collaborating closely with engineering and business teams to deliver high-quality data solutions. Key Responsibilities Develop, execute, and maintain detailed test plans … test cases, and test suites for data platforms and applications. Perform data validation and testing using complex SQL queries across multiple systems, including modern cloud data platforms. Ensure data integrity, accuracy, and consistency across ETL/ELT processes and data pipelines. Collaborate with cross-functional teams to understand business ...

order lifecycle events (new, amend, cancel) and multiple execution venues.* Support new liquidity source onboarding and DMA capability enhancements from a risk-controls perspective.**Testing & Quality Engineering*** Build and continuously improve deterministic, repeatable testing frameworks (unit, integration, latency/performance, and chaos/failover testing) tailored … ultra-low-latency risk systems.* Champion test-driven development (TDD) practices for mission-critical, heavily multi-threaded, asynchronous components.* Establish performance benchmarking and latency regression testing — including messaging, network, CPU, and memory subsystem profiling — as part of the standard delivery pipeline.**AI-Powered SDLC*** Leverage Citi's suite ...

pioneering a new role focused exclusively on quality assurance for GenAI/Agentic systems. As our Senior SDET for AI, you'll develop testing strategies, evaluation frameworks, and quality metrics specifically designed for LLM-powered applications. This role requires a unique blend of QA expertise, understanding of GenAI behaviour … agentic workflows. Develop robust, end-to-end automated test suites in Python across evaluations, API checks, UI checks, and performance tests. Create automated prompt testing systems and regression suites to proactively detect unintended changes in model behaviour. Establish multi-dimensional evaluation criteria to measure and track GenAI quality ...