1 to 25 of 28 Unit Testing Jobs in London

SAP Test Lead

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
major ECC to S/4HANA transformation. As the SAP Test Lead, you will define and lead the end-to-end assurance and testing strategy across the programme. Acting as a central leadership point across Finance SMEs, Digital & Technology teams, and System Integrator partners, you will build and manage … critical part in delivering an audit-compliant solution within a highly integrated enterprise environment. You will also leverage AI-enabled tools to accelerate testing activities, improve defect analysis, and optimise regression coverage. Key Responsibilities Define and own the overall testing strategy across: Unit Testing System Integration ...

QA Lead / Senior QA Tester

Hiring Organisation
Comtecs Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
Lead/Senior QA Tester/Automation Tester/Test Manager – Unit Testing, Regression Testing, Performance Testing, Functional Testing; Playwright, Tricentis, C#, Azure, CI/CD, Agile/Scrum TDD. Permanent, London, (Hybrid 3/2), £80k - £85k +Bonus +Benefits QA Lead/Senior … Tester sought by global Law Firm. This is a senior, hands-on software testing leadership role where you’ll take ownership of technical QA, automation strategy, and third-party quality governance across a range of enterprise-level projects. Working alongside other QA Leads and reporting into the QA Manager ...

Senior Quantitative Developer

Hiring Organisation
Centrica - CHP
Location
Hayes, London, United Kingdom
Employment Type
Permanent
quality increments to the team's model library - working both individually and collaboratively. Providing leadership in areas such as object modelling & interface design, automated testing & refactoring and performance optimisation. Provide support to Trading & Origination on model usage and behaviour. Leverage the teams cross-asset expertise to connect business locations … mathematics or other quantitative subject. Solid experience of code development in Python, including: Experience developing in an Agile environment Use of math/stats & testing libraries, as well as modern build tools. Ability to refactor code and work effectively with legacy systems. Knowledge of Object Orientation, Software Architecture ...

Lead MuleSoft Developer

Hiring Organisation
Alexander Edward James Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
premises environments. Oversee the development and governance of APIs, documentation, and reusable assets within Anypoint Exchange. Establish and enforce best practices for unit testing using MUnit, ensuring high test coverage and quality standards. Lead deployment strategies and contribute to the design and optimisation of CI/CD pipelines. … Azure). Deep understanding and hands-on experience implementing security protocols such as OAuth 2.0, JWT, and SSL/TLS. Proven experience leading unit testing practices using MUnit and contributing to mature CI/CD pipelines. MuleSoft Certified Developer Level 1 minimum (Level 2 or Architect certifications advantageous ...

Principal Consultant – Service Now Tech Lead

Hiring Organisation
STACKSTUDIO DIGITAL LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
enhancements and bug fixes to full application suite deployment. Carry out agile sprint-defined development tasks to support release cycles, including execution of development, unit testing, functional testing, and overall peer review of team member work. Reviews design and code per sprint to ensure quality. Creation … ServiceNow Developers Stay current with new and updated capabilities of the ServiceNow Platform Coordinate upgrades to Production and Sub-Production instances Coordinate sub-production testing, evaluation, and regression remediation Participate in blueprinting workshops and contribute with documentation and effort estimation. Support COE in continuous development of training paths ...

ServiceNow Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
Actions Forms and Service Catalog Develop inbound and outbound integrations with third-party systems Support data migration, transformation, and validation activities Perform unit testing, system testing, and support UAT Troubleshoot and resolve platform and integration issues Maintain documentation for technical designs and configurations Collaborate with architects, business ...

Full Stack Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £72000/annum
services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit testing, code reviews, and performance optimization to ensure high standards. Essential Skills Core Languages: Advanced proficiency in Java, JavaScript, HTML, and CSS. Back ...

Full Stack Developer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £72,000 per annum
services utilizing the Java Spring Boot ecosystem. Data Management: Design and maintenance of SQL/NoSQL databases and ORM integration. Quality Control: Execution of unit testing, code reviews, and performance optimization to ensure high standards. Essential Skills Core Languages: Advanced proficiency in Java, JavaScript, HTML, and CSS. Back ...

Software Engineers - Java/AWS (Mid to Lead Level)

Hiring Organisation
Omega Resource Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
workloads to the cloud Knowledge of AWS services such as EC2, EKS, Fargate, IAM, S3 and Lambda Experience working in Linux environments Understanding of unit testing and mocking frameworks (e.g. JUnit 5) Experience with Git version control Knowledge of Agile development methodologies (SCRUM) Understanding of relational databases (e.g. ...

Software Engineer

Hiring Organisation
Gold Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
serverless architectures. Advanced understanding the development challenges moving on-prem workload to cloud. Experience of developing on Linux. Advanced understanding of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Expert with Git version control. Proficient in Agile Development using SCRUM. Advanced knowledge of Oracle/ ...

Dynamics 365 Developer CE, Power Platform, Dataverse, Git, CI/CD

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
solutions within Dynamics 365, including configuration, customisations, extensions, and integrations. Implement custom workflows, plugins, web resources, and other components to enhance platform functionality. Conduct unit testing, code reviews, and troubleshooting to ensure high-quality, maintainable code. Support deployment activities, data migration, and system integration across Dynamics 365 projects. ...

MS Dynamics 365 CE Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
platform Develop Power BI dashboards and reports integrated into D365/Power Apps to deliver actionable insights to project and operational teams Perform unit testing, troubleshoot issues, and resolve bugs to ensure system stability. Deliver and configure solutions using Copilot Studio and Copilot for Sales, ensuring high-quality ...

Solution Engineer

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
work will have impact and visibility, this could be an excellent fit. You Will Work With Lead low‐level solution design, development, configuration, and unit testing Build and integrate solutions across a range of enterprise platforms Work closely with Technical Leads, Project Managers, stakeholders and fellow engineers Contribute … both front‐end and back‐end components, as well as integration layers Deliver high‐quality output through solid testing, automation, and adherence to standards Support deployments and post‐implementation checks within structured change processes Keep up with new tech and help shape the team’s engineering approach Step ...

Salesforce Developer (SC Required)

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
test, and deploy Apex code (classes, triggers, and components) to extend Salesforce functionality. · Participate in the full software development lifecycle, including requirements gathering, development, testing, deployment, and maintenance. · Implement and maintain robust DevOps practices, including source code management, branching strategies, pull requests, and commits. · Utilize DevOps tools such … documentation, including design specifications, code comments, and user guides. · Provide technical support and troubleshooting for Salesforce applications. · Adhere to best practices for Apex, Flows, Unit Testing and participate in peer reviews to ensure code quality and system integrity. Job Title: Salesforce Developer (SC Required) Location: London ...

Artificial Intelligence Engineer

Hiring Organisation
Deloitte
Location
Greater London, England, United Kingdom
team to build and deliver high-impact solutions. Essential Skills and Experience Expert-level Python programming skills; strong advocate for PEP8 compliance, clean code, unit testing, and version control (Git, Unix, pytest). Experience retrieving data from structured, unstructured and web sources (Selenium/PlayWright, Pandas ...

Senior Salesforce Developer - Service Could - Experience Cloud - Marketing Cloud - Apex - LWC

Hiring Organisation
Nexere Consulting Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 95,000 Annual
solutions. Build and configure functionality across Service Cloud and Marketing Cloud. Write clean Apex code and use declarative tools to meet business needs. Complete unit testing, documentation, and support system testing. Collaboration & Stakeholder Engagement Work with Product Owners and Business Analysts to translate requirements into effective solutions. Participate ...

PEGA Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
analytics, reporting, and operational decision-making. Design and develop user interfaces using Pega UI frameworks, ensuring usability, consistency, and alignment with enterprise standards. Perform unit testing, debugging, and performance tuning, proactively identifying and resolving defects and bottlenecks. Support application releases and deployments, working closely with DevOps ...

Machine Learning Engineer

Hiring Organisation
The Change Partners - Global talent specialists for a connected world
Location
London Area, United Kingdom
Production Experience: You’ve built and shipped scalable systems before (ideally with ML/AI components) DevOps Mindset: You’re comfortable with version control, unit testing, and automated deployment pipelines (GitHub Actions). You built reusable frameworks and modular code that lasts. Bonus Points: If you’ve worked … with AWS/GCP, understand the nuances of A/B testing, or have a passion for open-source development, we definitely want to talk. Please note this role doesn’t offer sponsorship. Please apply to learn more about the role. ...

Lead PySpark Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£281 - £292/day 388
Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance: Implement rigorous CI/CD, unit testing, and data reconciliation frameworks to ensure "penny-perfect" accuracy. Technical Stack Engine: PySpark (Expert), Python (Clean Code/SOLID principles). ...

Lead PySpark Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£281 - £292 per day
Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance: Implement rigorous CI/CD, unit testing, and data reconciliation frameworks to ensure "penny-perfect" accuracy. Technical Stack Engine: PySpark (Expert), Python (Clean Code/SOLID principles). ...

Dotnet Developer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
apps). Proficient in SQL Server (T-SQL) and Oracle (PL/SQL) . Knowledge of application deployment and environment maintenance . Experience in unit testing, QA , and documentation . Ability to troubleshoot across servers, databases, and distributed environments. Desirable Financial services or enterprise BI experience. Familiarity with ...

Lead Data Engineer

Hiring Organisation
Guy's and St Thomas' NHS Foundation Trust
Location
London, SE1 7AR, United Kingdom
Salary
£72921.00 to £83362.00
Essential Relevant technical degree (undergraduate or postgraduate) Knowledge & experience Essential Experience working in agile development teams with good development practices, including CI/CD, unit testing, version control Expertise in NHS data models (e.g. EHR data, SUS, HES, EMIS/TPP primary care data) and NHS data standards ...

T24 Systems Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£66,000 per annum
them.? Software development from technical design to delivery and maintenance. Supporting T24 system performance and security monitoring. Performing design, coding, code review and assisting unit testing. Ensuring development is done according to the specifications and within time. Analysing business requirements and functional specifications to formalise them into technical specifications. ...

Web Developer

Hiring Organisation
Information Tech Consultants
Location
City of London, London, United Kingdom
cross-functional teams to define, design, and ship new features. Troubleshoot and debug applications to optimize performance. Ensure the quality of the applications through unit testing and code reviews. Required Skills : Proficiency in Java/Kotlin and Android SDK. Experience with RESTful APIs and third-party libraries. Familiarity ...

C++ Developer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
experience with large data volumes Experience with working with functioning, well-tested systems. Experience of industry-standard development methodologies such as source code control, unit testing and continuous integration. This is an opportunity for a Software Engineer to join an award winning, cutting-edge FinTech where you will ...