Senior Software Development Engineer in Test (SDET)

This position is primarily remote with occasional onsite client engagements and travel to our London headquarters for workshops and meetings.Join Zaizi as a Test Engineer and take charge of ensuring the quality of our web applications. We seek an individual who is passionate about developing test automation frameworks, crafting test cases, and performing manual testing.Key ResponsibilitiesDesign and develop automation, web services/API, performance, and accessibility testing frameworks integrated with DevOps CI/CD practices.Manage, plan, and execute exploratory and automation testing activities throughout the project lifecycle.Identify, document, track, and resolve quality issues and defects using our defect tracking system.Oversee the release process to ensure effective product delivery.Collaborate closely with developers and cross-functional scrum team members to enhance test coverage and minimize testing bottlenecks.Maintain and update regression test suites as the product evolves.Work collaboratively in a DevOps-oriented environment.Required Skills and TechnologiesProficient in CypressExperienced with JMeterFamiliar with Postman and SoapUIKnowledge of AWSDesired CompetenciesAbility to work effectively within cross-functional teams with a focus on a Shift Left QA and DevOps mindset.Experience in environments with multiple daily production releases, emphasizing continuous improvement.Support developers in collaborating on test automation to eliminate QA bottlenecks.Prioritize automation testing over manual testing and proactively seek solutions.Deliver test automation in agile and DevOps environments utilizing CI/CD practices.Experience in functional (API, UI) and performance testing.Familiarity with reactive applications and cross-browser/device testing.Strong customer-facing skills to build positive relationships.Integrity and honesty in all professional interactions.Excellent verbal and written communication skills.Not all qualifications met?We encourage applicants who are excited about this position, even if their backgrounds do not fully align with the job description. You might be the ideal candidate for this or another opportunity at Zaizi.We celebrate diversity and welcome applications from individuals of all backgrounds, including people of color, the LGBTQ+ community, those with disabilities, neurodivergent individuals, and parents.

Join Zaizi as a Frontend Developer and be a part of a dynamic team committed to delivering exceptional digital solutions. In this role, you will leverage your expertise in frontend technologies to design and develop user-friendly applications that enhance the user experience.

At Zaizi, we are on the lookout for a dedicated Senior QA Test Engineer who possesses a genuine enthusiasm for technology and a strong analytical mindset. This role requires exceptional communication skills as it involves direct interaction with clients and hands-on learning within their projects. We believe in nurturing talent and are committed to providing you with the necessary skills to advance your career in quality assurance.Our company culture is inclusive, innovative, and supportive, fostering an environment where positive thinkers thrive. We value individuals who challenge themselves to excel in their roles, and if you resonate with this ethos, you'll find a welcoming home at Zaizi!This position is primarily remote, with the possibility of onsite client engagements as needed and occasional travel to our London headquarters for meetings and workshops.Key Responsibilities: Design and implement automation frameworks from the ground up, including Web Services/API, performance, and accessibility testing within a DevOps CI/CD setup. Provide insightful solutions to clients as necessary. Oversee, plan, and execute exploratory and automation testing throughout the project lifecycle. Identify, document, track, and resolve quality issues and defects using a defect tracking system. Take full ownership of the release process to ensure effective product delivery. Collaborate closely with developers, junior test engineers, and cross-functional scrum team members to enhance test coverage and eliminate bottlenecks. Maintain and update regression test suites as products evolve. Work collaboratively in a DevOps-oriented environment. Qualifications:Skills & Attributes:Proficient in Cypress for test automationExperience in API testing using Rest Assured or PostmanFamiliarity with performance testing tools such as JMeter or equivalentExcellent communication skills for effective collaboration with team members and clientsExperience in Agile methodologiesA genuine passion for IT and emerging technologiesBasic knowledge of AWS is a plusNot meeting all the qualifications?We encourage applicants from all backgrounds to apply, even if you don’t meet all the criteria. Studies indicate that underrepresented groups, including women and people of color, may hesitate to apply unless they meet every qualification. If you are excited about this opportunity, we would love to hear from you, as you could be the perfect fit for this or another role at Zaizi.Security Clearance:As Zaizi partners with UK Central Government departments on various projects, candidates must obtain security clearance that meets government standards. Therefore, we can only consider individuals who have the right to work in the UK without sponsorship.

Join Zaizi as a Test Engineer, where your enthusiasm for technology and detail-oriented problem-solving will be highly valued. This position involves direct interaction with clients, making strong communication skills a must. You will gain hands-on experience while contributing to client projects, and we are committed to helping you develop your professional skills.At Zaizi, our work culture is inclusive, modern, and collaborative. We seek bright, positive thinkers with a proactive attitude who are eager to excel in their roles. If this resonates with you, you will thrive in our environment!This role is primarily remote, with occasional on-site client work and travel to our London headquarters for workshops and meetings.

About Zaizi and Club JURA Zaizi’s Club JURA is dedicated to Defence, focusing on delivering secure, modern software solutions. The team values a systems engineering mindset and a commitment to technical excellence. Role Overview: Head of Engineering (SFIA 6) The Head of Engineering leads the technical direction for Club JURA. This senior position shapes engineering strategy, ensuring solutions are robust and cloud-native, and oversees the delivery of complex sovereign programmes. The role reports directly to the Club Executive. Key Responsibilities Translate high-level mission objectives into actionable engineering roadmaps. Lead the technical mission for Club JURA, maintaining a comprehensive systems engineering approach. Provide high-level oversight of software architecture and delivery for Defence-focused projects. Deliver data-driven assurance and performance reporting to identify and mitigate risks. Act as the technical cornerstone for Club JURA, supporting both strategic and operational goals. Location London, England, United Kingdom

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 Version 1 as a Senior Performance Testing Engineer where you will leverage your expertise in performance testing to ensure the robustness and efficiency of our digital solutions. We are seeking a skilled professional who can design and implement performance tests, analyze results, and provide actionable insights to enhance system performance.Your role will involve collaborating with cross-functional teams to identify performance issues and recommend enhancements. You will utilize various performance testing tools and frameworks, ensuring that our applications meet the highest standards of quality and performance.

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 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.

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.

Join PlayStation as a Senior Software Development Engineer in Test and play a crucial role in enhancing our SDK's quality engineering framework. You'll design and implement robust CI/CD pipelines, develop automation tools in Python, and create automated tests across various system layers. Collaborate with cross-functional teams to improve workflows and ensure seamless delivery across multiple platforms. This role demands a strong technical background, collaboration skills, and a drive for impactful results in a dynamic environment.

Anduril Industries is seeking a highly skilled Test & Evaluation Engineer to join our maritime team in London. In this role, you will be instrumental in designing, executing, and analyzing tests for advanced maritime systems. Your expertise will ensure our cutting-edge technologies meet rigorous defense standards and operational requirements. You will collaborate closely with cross-functional teams to develop test plans, document results, and recommend improvements.

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 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.

Location: London Start date: Immediate The Role: Join AlphaSights as a Senior Test Engineer within our dynamic Software Engineering Team. In our digital-first organization, ensuring continuous uptime, exceptional product quality, and outstanding user experiences is paramount. This role presents a unique opportunity to make an immediate impact on our engineering efforts. You will collaborate closely with Software Engineering and Product Management, spearheading the design and execution of automated testing solutions that scale across our platform, guaranteeing reliability and quality across frontend, backend, and APIs. We seek a proactive, innovative, and collaborative individual who is committed to continuous improvement and team success. This hands-on leadership role involves not just developing and maintaining automated tests but also guiding Test Engineering strategies, establishing technical standards, mentoring QA team members transitioning to Test Engineering, and defining best practices for testing, quality, and reliability. In this fast-paced environment, you will maintain a positive, solution-oriented mindset while delivering flawless user experiences through robust test automation. In addition to working with teams based in London and Portugal, you will have the chance to engage with teams across EMEA, the US, and Asia. What You’ll Do: Lead the design and development of automated test plans, suites, and frameworks across multiple projects to ensure comprehensive test coverage and high-quality releases. Mentor and guide junior QA engineers, enhancing their automation skills and cultivating a culture of quality and best practices. Maintain and scale test automation infrastructure to support CI/CD pipelines, cross-platform validation, and rapid feedback loops. Perform targeted manual testing, including exploratory testing, edge-case validation, and UI/UX verification when necessary. Collaborate closely with Engineering and Product teams to define test strategies, acceptance criteria, and testing priorities for complex features. Drive cross-team initiatives that enhance overall testing practices.

About Fuse Energy Fuse Energy is a startup focused on renewable energy, working to deliver a terawatt of clean power. The company develops solar, wind, and hydrogen projects, operates real-time power trading, and builds distributed energy systems. Fuse Energy sells directly to consumers, removing intermediaries to lower costs and pass savings along. Backed by $170M from investors including Multicoin, Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, and strategic angels such as Nico Rosberg and the co-founder of Solana, Fuse Energy is positioned for rapid growth. The team is also building the Energy Network, a decentralized platform of smart devices that rewards users for electrifying their homes, shifting usage to off-peak times, and helping stabilize the grid. This work supports AI data centers and other energy-intensive sectors. Role Overview: Test Engineer The Test Engineer plays a key role in making sure Fuse’s hardware products and energy systems meet regulatory, safety, and performance standards at every stage. This is a hands-on position, working with both prototypes and deployed systems. The role involves close collaboration with hardware, firmware, software, and operations teams to translate regulatory requirements into practical, testable engineering outcomes. Main Responsibilities Validate designs through structured testing and analysis Support certification processes and ensure compliance with relevant standards Carry out end-of-line verification for hardware and energy systems Work across a range of regulatory areas, including electrical safety, EMC, grid connection, and environmental compliance Collaborate with multidisciplinary teams to ensure products meet all requirements throughout their lifecycle Location London, England, United Kingdom

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.

Zaizi is in search of a talented Solution Architect to spearhead the design and implementation of innovative digital services tailored for the UK Public sector. This role will leverage state-of-the-art open source technologies while operating within an Agile and DevOps environment.Key Responsibilities:Engage and network with senior stakeholders across various organizations to proactively identify opportunities for digital transformation.Establish strong relationships with clients to uncover new business opportunities for Zaizi.Support multiple teams by identifying and applying best practices as well as emerging technologies.Motivate fellow architects and facilitate their understanding of how to achieve the organization's objectives.Oversee governance, addressing complex and high-risk issues or delivering architectural designs.Collaborate on various projects with multiple clients.Communicate and present solutions and alternatives to senior stakeholders.Work in tandem with other teams at Zaizi to share knowledge and promote continuous improvement.

Join our dynamic team at System Canada Technologies as a Test Analyst or Senior Test Analyst. This is an exciting opportunity for individuals who are passionate about quality assurance and eager to contribute to innovative projects in a collaborative environment.