Senior Software Development Engineer in Test

Role Overview Allye Energy is hiring a Test and Commissioning Engineer focused on electrical and software systems. This position is based in London and centers on testing and commissioning advanced energy solutions to ensure strong performance and reliability. What You Will Do Oversee the testing and commissioning process for energy systems, with attention to both electrical and software components. Work closely with designers and project managers to support smooth project delivery. Help optimize energy systems to improve sustainability and operational efficiency. About Allye Energy Allye Energy develops innovative solutions in the energy sector, with a focus on reliability and sustainability.

Join Our Team as an Automation Software Test Engineer - £400 per day (6+ Months / Remote Work Available / Outside IR35)We are looking for a talented Automation Software Test Engineer to join our dynamic team working on an exciting greenfield project. In this role, you will collaborate closely with a small team of developers and UX designers in a friendly, non-corporate agency environment. Our flat organizational structure values contributions over titles, allowing for an innovative and flexible work atmosphere.Location·Option to work from London, Bristol, or Cornwall.·Full remote work flexibility.

Alten is seeking a Software Test Integration and Automation Engineer to join its team in London. This role supports software quality and reliability across projects in the space sector. Key responsibilities Design and develop automated test suites for software products Collaborate with cross-functional teams to embed testing into development workflows Support continuous improvement of testing processes and product quality Location This position is based in London.

Role overview Securitas is seeking a Commissioning Engineer based in London. This position focuses on commissioning security systems and confirming they operate to high standards of performance and reliability. What you will do Commission a range of security systems for client sites Work alongside project teams to achieve key milestones Deliver reliable, high-quality service throughout each project About you Experienced in engineering, with a focus on commissioning Committed to delivering work that meets demanding standards Collaborative and able to support project delivery

Transform the Future of Finance with Us!At Light, we are on a mission to revolutionize the outdated ERP systems of the factory era with our dynamic Smart Financial Platform. We empower modern, global businesses with capabilities like automated accounting, real-time reporting, and agile financial flows that adapt to the pace of business.Our approach is collaborative; we develop alongside our customers, deliver swiftly, and are passionate about our craft. In a short span, Light has evolved from a concept to the backbone of renowned companies such as Lovable, Legora, and Keyshot. Users don’t just utilize Light—they truly enjoy the experience.As part of a pioneering team, we are defining a new category in software. Imagine engineers who are passionate about finance, designers who prioritize reconciliation, and operators who view finance as a product. If you are keen on modernizing the way the world manages money—one workflow at a time—you’ve found your place.Supported by top-tier investors and guided by industry leaders, we are creating groundbreaking products with the freedom to innovate boldly and take ownership of results. Join us in establishing Light as the global standard for next-gen finance.About the RoleAt Light, we are crafting the Global Financial Platform and our objective is to expand our engineering team rapidly. This growth hinges on our commitment to quality.You will be an integral part of the Foundation Team—the driving force that enhances our entire engineering organization. Our mission is to "build the factory that builds the product." As an SDET, your role will extend beyond merely writing tests for feature teams; you will be responsible for designing the internal quality infrastructure that empowers every engineer at Light to deliver with confidence.We seek a candidate who is passionate about test engineering as a discipline while being grounded in the realities of production systems. You will assist us in transitioning from ad-hoc testing to constructing robust frameworks, defining our internal quality standards, and enabling our teams to deploy multiple times daily, safely and confidently.

About Swap Swap builds the infrastructure for modern agentic commerce. The platform connects backend operations with a new kind of storefront, using AI to help brands manage and grow their business globally. Swap’s platform brings together cross-border operations, tax management, returns, demand forecasting, and a storefront powered by agentic technology. Merchants get real-time data, transparency, and tools to act quickly and decisively. The company values clarity, creativity, and shared ownership as it rethinks how global commerce works. Role Overview: Staff Software Engineer in Test – QA Platform Lead Swap is hiring a Staff Software Engineer in Test to lead the development of its internal QA Platform. This role focuses on building the tools and infrastructure that help engineering teams ship reliable software, faster. The QA Platform Lead will design, build, and maintain the internal platform, including frameworks, automation pipelines, and AI-assisted workflows, that Swap engineers rely on every day. The impact of this work will be measured by how widely the platform is adopted, the developer experience, and the speed at which teams can deliver quality software. Collaboration is key. The role works closely with the current SDET, who created the existing end-to-end testing framework. Together, you’ll expand on this foundation and shape a broader platform vision. The QA Platform Lead will set strategy, manage the roadmap, and make decisions about priorities and architecture. Main Responsibilities QA Platform Strategy and Roadmap Define the vision, strategy, and roadmap for the QA Platform, setting priorities that maximize impact. Make architectural and tooling decisions that influence quality practices across Swap’s engineering teams. Track adoption, usage, and developer satisfaction to ensure the platform is used and valued, not just built. Develop Reusable Quality Tools and Infrastructure Design and implement reusable tools, frameworks, and self-service quality infrastructure to help engineering teams deliver with confidence and less friction. Location This role is based in London.

Role overview Version 1 is looking for a Test Automation Engineer to help strengthen software development and quality assurance across projects. This role focuses on building and maintaining automation frameworks to support reliable software delivery. What you will do Develop and maintain automated test scripts and frameworks Apply testing methodologies to ensure software meets quality standards Work closely with developers and other team members to identify and resolve issues Contribute to process improvements that support efficient, high-quality releases Collaboration and impact This position offers the chance to work alongside experienced professionals and use modern technologies. Test Automation Engineers at Version 1 play a direct role in shaping project outcomes and supporting client success. Location Offices are located in London, Birmingham, Manchester, Newcastle upon Tyne, Edinburgh, and Belfast.

Join Capco as a Senior Software Development Engineer in Test (SDET) and play a pivotal role in revolutionizing the financial services landscape through cutting-edge automation. Based in London with a hybrid work model, you'll collaborate with a talented engineering team to tackle complex challenges, while enhancing your skills across innovative cloud-native technologies. Be part of high-impact projects that shape the future of finance and energy sectors.

Join Capco as a Principal Software Development Engineer in Test (SDET) where you will lead the design, development, and implementation of automated testing frameworks. You will work closely with cross-functional teams to ensure the highest quality of software delivery while driving innovation and efficiency in testing methodologies.

Are you a talented Software Engineer in Test, Test Engineer, or Test Analyst who excels in manual testing while embracing the challenges of automation testing? Join our agile team at Version 1, where you'll play a vital role in assisting clients with their business transformation initiatives. Your expertise will be instrumental in identifying requirements, crafting innovative solutions, and offering continuous guidance and support in testing.In this role, you will:Define and execute comprehensive test strategies and scriptsAccurately record and monitor issues for effective resolutionSupport scrum teams in automating tests to streamline development processesReview test environments and processes to drive continuous improvement and uphold quality standardsProvide precise test estimates to aid project planning

Join Ramboll as a Principal Electrical Engineer in our London office, where you'll lead innovative projects and collaborate with a talented team of engineers. This role offers an exciting opportunity to shape the future of electrical engineering in a dynamic environment.

Join our dynamic team at AECOM as a Senior Electrical Engineer, where you will play a pivotal role in designing and implementing innovative electrical systems for various projects. We are looking for a motivated professional who is passionate about engineering excellence and thrives in a collaborative environment.

Senior Software Development Engineer in Test (SDET) — Enablement PlatformAbout SwapAt Swap, we are revolutionizing the landscape of modern agentic commerce. Our innovative AI-native platform seamlessly connects backend operations with a cutting-edge storefront experience, designed for brands aspiring to sell anything, anywhere.Our comprehensive offerings include cross-border solutions, tax management, returns processing, demand planning, and our next-gen agentic storefront, empowering merchants with full operational transparency and the ability to make informed, margin-preserving decisions in real-time.We are dedicated to fostering a culture that emphasizes clarity, creativity, and collective ownership as we reshape the future of global commerce.Role OverviewWe are seeking a talented Senior SDET to become an integral part of our Enablement Group. This team is responsible for establishing the foundational elements that empower various teams, including internal development tools, core services, reusable UI components, CI/CD processes, security integrations, public APIs, and our Apollo ingestion and event management system.In this role, you will set and uphold quality standards for our internal systems, ensuring adherence and compliance across teams. You will define both functional and non-functional quality benchmarks, translate these into actionable standards, and validate that our internal services consistently meet these criteria through reviews, gates, and operational signals.Key ResponsibilitiesLead the establishment of quality standards for internal systems encompassing reliability, performance, scalability, security, availability, observability, data integrity, and operational functionality.Collaborate with engineering teams to convert quality standards into service-level requirements and well-defined acceptance criteria for platform functionalities and internal services.Manage the compliance process: define measurement criteria, introduce evaluative evidence (tests, checks, dashboards), and initiate corrective actions when discrepancies arise.Conduct structured quality assessments for internal services, including design reviews, readiness evaluations, release criteria, and post-incident analyses that refine standards and checks.Establish and maintain quality gates within the CI/CD pipeline that uphold standards without hindering team productivity (including contract checks, smoke/regression tests, and security assessments as applicable).Define quality benchmarks for public APIs and platform adapters regarding contracts, backward compatibility, and versioning.

Role Overview Position: Senior Software Developer in Test Location: London, UK (Hybrid: roughly one day per week in the office) Contract Type: Permanent, full-time Compensation: £70,000 - £80,000 base salary, plus 10% bonus, 10% shares, and additional benefits About Appvia Appvia delivers cloud solutions and platform engineering to help organizations modernize software systems, boost developer productivity, and adopt cloud-native practices. The team focuses on modern application development, domain-driven design, and improving delivery outcomes through strong architecture, testing, and developer experience. Appvia works with clients in complex, high-impact settings where quality, reliability, and scalability matter. The goal: help organizations ship better software, faster. What You Will Do This is a hands-on, client-facing role within the Solutions Engineering team. The main focus is to advance a large-scale modernization and AI-driven transformation initiative. The Senior Software Developer in Test (React/Java) will: Lead the shift from slow, fragile end-to-end testing to scalable integration, functional, and contract testing methods Guide teams in adopting modern testing and quality engineering practices for complex systems Introduce new tools and approaches to improve developer feedback loops and embed quality early in the software delivery lifecycle Work with greenfield initiatives within brownfield environments Report to a Principal Software Engineer and act as a senior quality engineering advocate within delivery teams Interview Process Discovery conversation with Talent Acquisition Technical interview with the Engineering Team Final interview with Leadership Security Clearance Requirements Eligibility for UK Government Security Clearance (SC) is essential. Candidates must meet the following criteria: Hold a British Passport or Indefinite Leave to Remain (ILR) Have lived in the UK for the past five years No criminal record or financial irregularities

Location: London Start date: Immediate The Role: Join AlphaSights as a dynamic and motivated Mid-Level Test Engineer within our Software Engineering Team. As a digital business, we prioritize continuous uptime, product quality, and exceptional user experience. This role is a crucial opportunity to make an immediate impact on our product development. Collaborating closely with Software Engineering and Product Management, your focus will be on designing and implementing automated testing solutions that ensure our applications are reliable, scalable, and adhere to the highest standards across frontend, backend, and APIs. In this position, you will be entrusted with specific areas of responsibility and expected to manage your time effectively. A positive, problem-solving mindset is essential, as is a passion for delivering seamless user experiences through robust test automation in a fast-paced environment. We seek a proactive and creative individual who enjoys collaboration and is dedicated to both personal growth and team success. You will have opportunities for on-the-job and classroom-based learning, diving into the field of IT with exposure to various technologies, regions, and challenges. Working primarily with teams in London and Portugal, you will also engage with colleagues from other offices across EMEA, the US, and Asia. What You’ll Do: Design and develop automated test plans and suites for various projects, validating software functionality and ensuring comprehensive regression coverage. Develop and maintain automated testing frameworks and infrastructure, providing tools for developers to test their own code. Lead test automation initiatives and conduct targeted manual testing as needed, such as exploratory testing, UI validation, and edge case verification. Create, manage, and maintain test data to support automated testing across environments, ensuring consistency and reproducibility of results. Support robust testing through API test automation, test data management, and cross-platform validation across browsers and devices. Collaborate with cross-functional teams to enhance product quality and user experience.

VVB Engineering specializes in delivering top-notch Mechanical and Electrical installation services throughout the UK, actively engaging in diverse sectors such as Railways and Airports. We are excited to announce an opening for a Senior Electrical Engineer, who will play a pivotal role in providing engineering support across various projects.In this role, you will oversee all aspects of electrical projects from initial design through to successful completion, ensuring that installations adhere to Health, Safety, and Environmental (HSE) standards, as well as meeting program, quality, compliance, and commercial objectives.Key Responsibilities:Lead, train, and mentor the electrical design and engineering team.Develop detailed scope documents for tenders and procurement processes.Conduct electrical design and modeling (up to 11KV) in accordance with current standards.Collaborate with CAD teams, manufacturers, and installation crews to assess design and product compatibility while ensuring the correct methodologies are employed.Coordinate with commercial and planning departments to devise designs and monitor any design variances.Assist the planning team in scheduling installation, testing, and commissioning work by providing precise assessments of forecasted tasks to align with project timelines.Manage subcontractor activities, including contract support and valuation, while overseeing all design registers.Ensure all formal communications are conducted effectively and provide engineered solutions to address key project challenges while satisfying client expectations and budget constraints.Stay informed about relevant electrical, construction legislation, standards, and best practices.Guarantee adherence to HSE best practices and ensure design risk assessments comply with installation parameters.

Join our dynamic team at United Infrastructure as an Electrical Tester, where your expertise will be crucial in ensuring the quality and safety of electrical systems. In this role, you will perform thorough testing and inspections, ensuring compliance with industry standards and regulations. Your contributions will help us maintain our commitment to excellence in infrastructure projects.

The Electrical Maintenance Engineer position in London centers on supporting the reliability and safety of facility operations. This role involves hands-on work with electrical systems to keep everything running smoothly. Main responsibilities Carry out preventive maintenance to reduce downtime and extend equipment life. Respond to and resolve electrical faults through corrective maintenance. Troubleshoot electrical systems to identify and fix issues promptly. Contribute to performance improvements across facility equipment. What matters here Strong technical skills and a focus on safety are essential. The Electrical Maintenance Engineer helps maintain a dependable environment for all staff and operations.

Join our dynamic Graduate Programme, a meticulously crafted two-year initiative aimed at fast-tracking your career in electrical engineering. Experience hands-on involvement in live projects, receive guidance from seasoned mentors, and start making a significant impact from your very first day.Your journey will include: Direct access to mentors and industry experts — absorb insights from leaders in the field. Collaborative learning through Graduate Forums — engage, share, and develop alongside peers. A customized upskilling framework — enhance your technical and professional competencies. Industry rotations across various clients and locations — expand your horizons and experience diverse environments.Throughout this self-directed two-year journey, you'll gain invaluable exposure to the nuclear sector. Start with broad interactions across teams and clients, before transitioning into roles that align with your professional aspirations. Anticipate a landscape filled with variety, challenges, and opportunities for growth — all while playing a role in some of the UK’s pivotal energy projects.