114 senior software developer in test jobs found

Role: Senior Software Developer in Test - Security Cleared Job Type: Contract IR35 Status: Inside IR35 Please note this role requires active Security Clearance About Scale Factory We are an AI enablement consultancy. Delivering quality-led AI-first foundations, embedding capability and excellence into the foundational fabric of the companies we work with. We give leaders the confidence to move faster, take smarter risks and pursue transformation. Formerly Ten10, we have deep roots in Quality which means we don’t just build for the future, we ensure it actually works. We combine this engineering discipline with cutting-edge AI expertise to deliver robust, scalable foundations that turn ambitious transformation into reliable reality. Essential Skills & Experience: Active Security Clearance Solid technical development background with strong coding skills in Java & JavaScript Proven expertise in...

Role: Senior Software Developer in Test - Security Cleared Job Type: Contract IR35 Status: Inside IR35 Please note this role requires active Security Clearance About Scale Factory We are an AI enablement consultancy. Delivering quality-led AI-first foundations, embedding capability and excellence into the foundational fabric of the companies we work with. We give leaders the confidence to move faster, take smarter risks and pursue transformation. Formerly Ten10, we have deep roots in Quality which means we don’t just build for the future, we ensure it actually works. We combine this engineering discipline with cutting-edge AI expertise to deliver robust, scalable foundations that turn ambitious transformation into reliable reality. Essential Skills & Experience: Active Security Clearance Solid technical development background with strong coding skills in Java & JavaScript Proven expertise in...

Role: Senior Software Developer in Test - Security Cleared Job Type: Contract IR35 Status: Inside IR35 Please note this role requires active Security Clearance About Scale Factory We are an AI enablement consultancy. Delivering quality-led AI-first foundations, embedding capability and excellence into the foundational fabric of the companies we work with. We give leaders the confidence to move faster, take smarter risks and pursue transformation. Formerly Ten10, we have deep roots in Quality which means we don’t just build for the future, we ensure it actually works. We combine this engineering discipline with cutting-edge AI expertise to deliver robust, scalable foundations that turn ambitious transformation into reliable reality. Essential Skills & Experience: Active Security Clearance Solid technical development background with strong coding skills in Java & JavaScript Proven expertise in...

The Role Are you a senior backend engineer who thrives on distributed systems, clean architecture, and complex data problems? At ONYX Insight, we're looking for a Senior Software Developer (Contractor) to make an immediate impact on our core platform, a sophisticated distributed system processing data from wind turbines around the world. This is not a typical SaaS CRUD role. You'll work across a distributed architecture including asynchronous messaging, worker processes, and data ingestion pipelines. Frontend exposure is a bonus, not a requirement. Key Responsibilities: Backend Delivery: Implement robust, well-tested C# .NET services following clean architecture principles — domain logic, data access, messaging, and background processing. Distributed Systems: Contribute to service boundary design, asynchronous messaging flows, and worker processes within our modular monolith, with an eye on future decomposition. Data Pipelines: Build...

Contract - Senior Full Stack Developer Job description   Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our...

The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to:   Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now Provide effective, efficient, and innovative services to the millions of claimants who rely on us every day, including the most vulnerable in society Improve experience of our services while...

£400-£425 Outside Ir35 City Taunton Province Somerset Country United Kingdom Postal Code TA1 Job Description   About Scrumconnect Consulting   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter.   Role Purpose Join a blended agile delivery squad working on large-scale, secure digital services for a government client. As a Senior Developer, you will bring strong hands-on experience across both .NET...

Published 1 day ago Job Title: Data Scientist/ AI Engineer Job Location: 4 days in Canary Wharf, ideally 4 days per week onsite Contract Length: 12 Months Industry: Oil and Energy / HR Technology Working Hours: 40 hours per week   Summary We’re looking for engineers who think holistically, automate relentlessly, and are fluent in the fast-moving world of AI tooling and infrastructure—but grounded in disciplined engineering principles. Our AI organization is building high-impact AI-powered applications that deliver real business value at speed. As a Senior AI Engineer, you’ll play a critical role in building and deploying scalable AI-powered applications through solid software engineering excellence combined with pragmatic use of modern AI capabilities. This is a role for seasoned engineers who are excited about applying AI in practical and scalable ways. We’re looking for individuals who thrive at the...

About Us At Chekin.com, we’re building the leading platform for hospitality check-in automation, covering the full guest journey from booking confirmation to check-out. Today, we operate globally across thousands of properties and have grown into a profitable SaaS company, with ambitious plans to scale significantly over the coming years. We are an AI-native company that believes technology, automation, and operational efficiency should be embedded into everything we do — from product development to internal workflows. Our Product & Tech team is made up of ambitious, collaborative, and highly autonomous people who enjoy solving complex technical problems while moving fast.     The Role We are looking for a Backend Engineer to join our Product & Tech team on a full-time B2B contractor basis. The candidate is a backend-strong engineer who, with AI as a force multiplier, owns a slice of product end to end — from...

The Role Are you a senior backend engineer who thrives on distributed systems, clean architecture, and complex data problems? At ONYX Insight, we’re looking for a Senior Software Developer (Contractor) to make an immediate impact on our core platform, a sophisticated distributed system processing data from wind turbines around the world. This is not a typical SaaS CRUD role. You'll work across a distributed architecture including asynchronous messaging, worker processes, and data ingestion pipelines. Frontend exposure is a bonus, not a requirement. Key Responsibilities Backend Delivery: Implement robust, well-tested C# .NET services following clean architecture principles — domain logic, data access, messaging, and background processing. Distributed Systems: Contribute to service boundary design, asynchronous messaging flows, and worker processes within our modular monolith, with an eye on future decomposition. Data Pipelines: Build and maintain...

Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...

Senior Software Engineer – RUST   Contract initial 12 months Outside ir35 Hybrid or Remote   Overall Ambition   Solve some of today's most complex hospitality challenges by creating innovative, scalable technology using a modern, open technology stack. Help shape the technical direction of our products while delivering exceptional customer experiences across the USA.   What We're Looking For   We're looking for a Contract Senior Software Engineer to join our passionate, lean, agile, fast-growing and evolving technology team on a permanent basis.   You'll be an experienced engineer who enjoys solving difficult technical problems, building highly scalable systems and helping those around you become better engineers. You'll be comfortable owning complex initiatives from design through to production, influencing technical direction and driving engineering excellence across multiple teams....

The Role Are you a senior backend engineer who thrives on distributed systems, clean architecture, and complex data problems? At ONYX Insight, we're looking for a Senior Software Developer (Contractor) to make an immediate impact on our core platform, a sophisticated distributed system processing data from wind turbines around the world. This is not a typical SaaS CRUD role. You'll work across a distributed architecture including asynchronous messaging, worker processes, and data ingestion pipelines. Frontend exposure is a bonus, not a requirement. Key Responsibilities: Backend Delivery: Implement robust, well-tested C# .NET services following clean architecture principles — domain logic, data access, messaging, and background processing. Distributed Systems: Contribute to service boundary design, asynchronous messaging flows, and worker processes within our modular monolith, with an eye on future decomposition. Data Pipelines:...

Job description   Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This...

£400-£425 Outside Ir35 City Taunton Province Somerset Country United Kingdom Postal Code TA1 Job Description   About Scrumconnect Consulting   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. We are passionate about user-centred design, agile delivery, and building digital services that make a real difference. Our teams work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter.   Role Purpose Join a blended agile delivery squad working on large-scale, secure digital services for a government client. As a Senior Developer, you will bring strong hands-on experience across both .NET...

About The Job Games Workshop has an exciting opportunity to join us as a Full Stack Engineer on a 12-month contract. In this role, you’ll be part of a team delivering critical customer facing eCommerce solutions for Games Workshop. You’ll spend time understanding the challenges you are trying to solve, creating high quality solutions through collaboration with colleagues to ensure you deliver at pace. Working with other Developers and alongside Quality Assurance, you will deliver new functionality and changes to the Warhammer.com eCommerce store. Using a strong engineering process, ensuring solutions are reliable, secure and scalable for the Games Workshop business. You’ll use your extensive ecommerce experience to efficiently deliver quality solutions to business requirements, being aware of platform costs and working to optimise those wherever possible without compromising operations. You’ll be highly attuned to the customer, helping deliver a...

Senior Front-End React Developer At Bridebook, we're digitising the wedding industry! Join us in transforming the wedding planning experience for engaged couples around the world. Full-time Contractor · Remote · Competitive Day Rate Who is Bridebook anyway? Bridebook is a revolutionary wedding planning platform that seeks to make wedding planning an enjoyable, intuitive, and rewarding experience for couples, guests, and industry partners. Launched in the UK, Bridebook has over 1,000,000 planning couples and has been featured in major outlets such as the New York Times, the BBC, and the App Store. After seven years and many iterations later, we have 2 in 3 engaged UK couples and 1 in 3 engaged German couples using Bridebook, and have recently expanded into the French and Irish markets. While we serve a very emotional and creative industry, we are disrupting the wedding industry by leveraging cutting-edge technology to provide seamless and...

Role Overview We are looking for a  Senior Delphi Developer  with deep expertise in  Delphi 10.4 or later , strong understanding of  software development life cycle (SDLC) , and hands-on experience in  Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as  TeamCity  and  Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using  Delphi 10.4 or newer versions . Participate in the full  Software Development Life Cycle (SDLC)  — from requirements gathering to deployment and...

Role: Senior Threat Modeler Location: London / Belfast Start Date: ASAP End Date: 6 Months Daily Rate: Competitive Day Rate, Inside IR35 Payroll provider – Rockford Payroll Info for Contingent Workers – Rockford Pay Responsibilities Threat Modeling using a documented process. Development of automation tools as required. Maintain a high standard of work in identifying threats and specifying mitigating controls. Attending to the lifecycle of identified threats and controls. Delivery of threat models and supporting tasks within existing timeframes. Provide feedback, support, and improvements to the existing threat modeling process. Present work to seniors, the team, and other technical teams. Train newer members of the team Supervise junior members of the team Run parts of our threat model service Work with little supervision to complete work Develop, test, and deploy secure and efficient Python-based...

Role: Senior Threat Modeler Location: London / Belfast Start Date: ASAP End Date: 6 Months Daily Rate: Competitive Day Rate, Inside IR35 Payroll provider – Rockford Payroll Info for Contingent Workers – Rockford Pay Responsibilities Threat Modeling using a documented process. Development of automation tools as required. Maintain a high standard of work in identifying threats and specifying mitigating controls. Attending to the lifecycle of identified threats and controls. Delivery of threat models and supporting tasks within existing timeframes. Provide feedback, support, and improvements to the existing threat modeling process. Present work to seniors, the team, and other technical teams. Train newer members of the team Supervise junior members of the team Run parts of our threat model service Work with little supervision to complete work Develop, test, and deploy secure and efficient Python-based...