Mid-Level Test Engineer (Hybrid) – London

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. Collabor…

Resillion seeks a Test Analyst to contribute to projects involving the Aladdin Accounting platform. This hybrid role is based in London and centers on ensuring financial software meets high standards for quality and reliability. Key responsibilities Collaborate with cross-functional teams to develop and improve test plans Carry out test cases for the Aladdin Accounting platform Identify, document, and assist in resolving software issues Work location This position combines on-site and remote work in London.

Join Our Innovative Team at FreetradeAt Freetrade, we're on a mission to simplify investing, making it accessible and affordable for everyone. Our goal is to empower individuals to maximize their savings and grow their wealth.We're building an exceptional team of innovators who are passionate about transforming the investment landscape. If you're someone who thrives on tackling challenging problems and crafting cutting-edge products, you will find your place here.The upcoming year, 2026, promises exciting developments for us. Following our partnership with IG Group, we will continue to operate independently while benefiting from their extensive resources and expertise.This year, we aim to elevate our offerings by introducing new features such as mutual funds, bonds, and family investment tools. We're also exploring the integration of AI to enhance our customer experience further.Why You Should Join Our Engineering Team?Become a crucial part of a team that is redefining the investment future. As a Software Engineer, you will be instrumental in creating and maintaining a robust and scalable platform that serves thousands of users daily. We embrace complex technical challenges, foster innovation, and develop solutions that make a tangible difference. Here, your contributions will influence investment decisions throughout the UK. Join us to transform ideas into reality.We are on the lookout for a talented Mid-Level Software Engineer to join our Backend Engineering team.Our Primary Tech Stack:NodeJS/TypescriptGoogle Cloud PlatformPostgreSQLKey Responsibilities:Deliver high-quality software solutions within set timelines, tackling complex problems by proposing multiple solutions and evaluating trade-offs to assist your team in making sound technical decisions.Address technical challenges by providing scalable and maintainable solutions efficiently, considering trade-offs.Understand the core features and KPIs of your product, collaborating closely with the Product Manager to drive product development.Be prepared for on-call responsibilities, effectively responding to high-priority issues and knowing when to escalate them.About You:You have a solid background in software engineering, with experience in the technologies we use.

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.

Motorway is looking for a Mid-Level Frontend Engineer based in London. The focus is on building and refining web applications that support real customer needs. This position works closely with designers and backend engineers to transform concepts into reliable, polished features. Role overview The main responsibility is to develop and maintain web applications that are both user-friendly and visually appealing. Collaboration is a key part of the workflow, ensuring that each feature meets both design standards and technical requirements. What you will do Build and update web applications with a focus on usability Work alongside designers to create attractive, effective interfaces Collaborate with backend engineers to deliver complete product features Help develop solutions that enhance the overall customer experience

WHO ARE WECognism stands at the forefront of European B2B data and sales intelligence. Our innovative platform empowers businesses of all sizes to identify, connect, and engage with qualified decision-makers swiftly, leading to an increase in successful transactions. With our headquarters in London and a presence worldwide, Cognism’s reliable contact data and contextual insights are utilized by countless revenue teams to enhance their prospecting efforts.OUR WORK MODEL:Hybrid: This role requires you to work from our London office three days a week, while also providing the flexibility to work remotely on other days.YOUR ROLE:As a Mid-Market Account Executive, you will spearhead the acquisition and growth of mid-market clients throughout the UK. This role is crucial to fostering Cognism’s expansion within the region by delivering value to commercial prospects, collaborating across departments, and surpassing revenue goals in a dynamic SaaS environment.YOUR CHALLENGES & OPPORTUNITIES:Own Your Territory – Design and implement a go-to-market strategy for your Mid-Market territory, working closely with Sales Development to identify, engage, and convert high-potential prospects into new business revenue.

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

Join CUR8 as a Back-end EngineerAt CUR8, we are on a transformative mission to reshape the carbon removal landscape. With the pressing need to eliminate 5-10 Gigatonnes of CO₂ by 2050, our innovative platform empowers organizations worldwide to meet their carbon neutrality goals.As part of our dedicated Risk Engine squad, you will play a pivotal role in evaluating and refining high-quality carbon removal projects, ensuring our clients have access to reliable insights and data.Your collaboration with our Lead Software Engineer, Senior AI Engineer, and scientists will be vital in converting scientific criteria into robust, scalable software solutions.Key ResponsibilitiesDevelop Application Logic: Craft the code that manages data flow, from document ingestion to model result handling.Translate Science into Code: Work closely with Carbon Scientists to understand project criteria and develop corresponding code logic.Manage Unstructured Data: Create systems that can transform complex real-world inputs into structured, actionable data.Deliver Insights: Design APIs and data structures that present findings to customers in an intuitive user interface.Our Technology StackCore Back-end: GoData Stack: PythonDatabase: PostgreSQLInfrastructure: Google Cloud Platform, TerraformAI Tools: Claude, Gemini, GPTWhile expertise in both Go and Python is not essential, a willingness to engage with both is necessary.Your Technical ExpertiseExperience: A minimum of 2 years in building and maintaining backend software.Language Proficiency: Comfortable with a statically typed language (preferably Go).

About LendableLendable is committed to revolutionizing the way individuals access credit and save money. As one of the UK's most dynamic fintech firms, we are proud to have achieved significant milestones:Recognized as one of the UK’s newest unicorns, with a growing team of over 700 professionals.Ranked among the fastest-growing technology companies in the UK.Profitable since 2017.Supported by leading investors such as Balderton Capital and Goldman Sachs.Highly rated by customers, boasting a 4.9 rating on Trustpilot based on thousands of reviews.We have successfully reimagined the Big Three consumer finance products: loans, credit cards, and car finance, enabling us to deliver funds to our customers in minutes rather than days.As we continue to expand, our ambitions are set on capturing the two largest Western markets—the UK and the US—where vast financial resources remain tied up in outdated systems and cumbersome processes.Why Join Us?Empower Yourself: Enjoy the autonomy to make impactful decisions that shape the success of Lendable from day one.Collaborate with Talent: Work within intimate teams of exceptional individuals who are adept at problem-solving and innovative thinking.Innovate In-House: Develop cutting-edge technology using advanced data sources, machine learning, and AI to streamline operations.About the RoleWe are seeking a skilled Mid-Level PHP Engineer to enhance our UK Loans team.Our engineering division consists of over 160 dedicated engineers across various disciplines, including backend, frontend, mobile, and platform.In this role, you will engage in diverse activities, from creating and integrating new APIs to improve the customer experience, to optimizing our lending platforms and participating in in-depth architectural discussions. There are numerous challenges ahead, and we are eager to find the right talent to join us.

Join Our Team as a Principal Software EngineerLocation: Waterloo, London, England, UK | Hybrid (1 day per week in office)About 8th LightAt 8th Light, we breathe life into innovative ideas and transform them into reality. Established in 2006 and based in Chicago, we are a premier technology solutions provider that collaborates with organizations to tackle significant challenges and foster sustainable growth. From dynamic startups to large global enterprises, we specialize in enhancing our clients’ digital products through innovative product strategies, experiential design, AI solutions, and exceptional engineering expertise.Our dedication to quality enables us to deliver solutions that we take immense pride in, while our insatiable curiosity fuels innovation and breakthrough thinking. At 8th Light, we thrive in an environment that promotes continuous learning, empowering growth through mentorship and hands-on experience. We cultivate an open, collaborative culture rooted in honesty and trust, believing that true success is measured by the results we achieve for our clients.If our mission and culture resonate with you, we encourage you to apply!

Join our dynamic team as a Mid-Level Architectural Visualization Artist, where you'll be responsible for crafting stunning photorealistic digital content that showcases proposed buildings, landscapes, interiors, or products for our prestigious clients, which primarily include architects and real estate developers. This role is studio-based, allowing for collaboration and creativity in a vibrant environment.In this position, you will: Plan and create captivating visualizations using client-supplied materials. Work closely with fellow artists to develop and refine content. Utilize rendering engines to achieve magazine-quality, photorealistic results. Incorporate feedback and adapt content accordingly. Create additional assets such as furniture and props. Take charge of your personal learning and development, documenting your progress. Prepare educational materials for our engaging Friday showcase sessions. Provide constructive feedback to your peers. Contribute to and manage an extensive library of assets. Establish effective lighting setups and compositions. Offer insights and design expertise when required. Lead smaller projects with guidance. Engage with clients and design teams under supervision. Multi-task on various deliverables across different projects.

Role Overview PeopleCert is hiring a Test Centre Administrator in London. This position keeps the test centre running smoothly and helps deliver a positive experience for everyone taking exams. Main Responsibilities Manage test schedules and coordinate exam sessions Support candidates with questions and provide guidance on-site Follow established testing protocols and maintain compliance standards What We Look For Attention to detail Strong commitment to customer service This role suits someone who enjoys helping others and takes pride in organized, reliable work.

Join Ratio Recruitment Ltd as a Mid-Level UX Developer where your creativity and technical skills will play a crucial role in shaping user experiences. You will collaborate closely with cross-functional teams to design interactive and user-friendly applications that delight users. This position offers an opportunity to work in a dynamic environment while contributing to exciting projects.

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 Freetrade Freetrade aims to make investing simple and accessible, helping millions manage and grow their savings. With a focus on affordability and clarity, the team is committed to reshaping how people invest in the UK and beyond. After a recent partnership with IG Group, Freetrade continues to operate independently while benefiting from the backing of an established industry leader. The company is rolling out new features in 2026, including mutual funds, bonds, family investment tools, and exploring AI-driven enhancements to the customer experience. Role Overview: Mid-Level iOS Mobile Engineer This position is based in London and focuses on building and improving the Freetrade iOS app, which gives customers access to investment opportunities across UK, US, and EU markets. The engineering team works on a platform used by thousands every day, tackling technical challenges and delivering solutions that matter. The environment encourages growth, collaboration, and innovation, with opportunities to learn from experienced engineers across both iOS and Android. What You Will Do Develop and implement new features for the Freetrade iOS app. Collaborate closely with design, product, and QA teams to create user experiences that meet customer needs. Respond to customer feedback and queries, helping to maintain high satisfaction. Contribute to prioritizing platform issues, technical debt, and architectural improvements. Support the delivery of a high-quality app and a strong developer experience. What We’re Looking For Solid understanding of the iOS platform and mobile development principles. Strong problem-solving skills and a desire to keep learning. Experience working collaboratively within cross-functional teams. Interest in building products that make a real difference for customers. Why Join Freetrade’s Engineering Team? Work on a scalable, impactful platform used daily by thousands. Be part of a team driving product innovation in the investment space. Grow your skills alongside experienced mobile engineers. Help shape the future of investing for a broad customer base.

ClearBank provides banking infrastructure that supports a wide range of clients, including fintech firms, crypto platforms, traditional banks, and credit unions. Through ClearBank’s API, organizations can strengthen and modernize their banking systems. The company emphasizes a team-first culture shaped by collaboration, fairness, and autonomy. Team members have opportunities to contribute meaningfully and influence how things are done. Role overview This Platform Engineer position sits within Team Serval, part of ClearBank’s Infrastructure Cluster. Reporting to an Engineering Manager, the role centers on designing, implementing, and maintaining the network infrastructure that underpins ClearBank’s services as the business continues to grow. Daily responsibilities include: Designing and maintaining network infrastructure Applying Infrastructure as Code practices to improve deployment processes Supporting software delivery using Azure DevOps Collaborating closely with Technical Product Owners and Engineering Managers to enhance the platform ClearBank has been recognized among the UK’s fastest-growing tech companies by Deloitte Fast 50. Requirements Experience working with Infrastructure as Code Solid networking expertise Practical skills in Azure DevOps A proactive, collaborative approach to solving problems Location This role is based in ClearBank’s London office and follows a hybrid work pattern.

About AntithesisAt Antithesis, we are transforming the landscape of modern distributed systems testing and deployment. Our innovative platform is trusted by engineering teams that prioritize unwavering reliability, scalable performance, and intricate technical insights. We don’t just ensure system correctness and reliability; we exist because developers need a superior solution. If you’ve faced the frustration of production outages, endured challenging on-call weeks, or experienced release delays due to critical bugs, you’ll resonate with our mission. If you're driven by a passion for developer-centric products, system resilience, and accuracy, we want to hear from you.About the RoleWe seek an innovative thinker who thrives in challenging environments and isn’t afraid to disrupt the norm. As a Solutions Engineer, you will deploy the powerful tools and technologies from the Antithesis platform to identify bugs and challenge our customers’ software. You will effectively communicate and persuade potential customers about the revolutionary approach to software testing and reliability that Antithesis embodies.What You'll DoLead Proof-of-Concept (POC) initiatives to showcase the value of Antithesis products to prospective customers.Engage in onboarding processes for new customers.Provide technical support to the sales team through qualifications and consultations.Facilitate workshops for customers focusing on Property-based Testing (PBT) and other relevant topics.Identify bugs and evaluate open-source software.Establish thought leadership in testing complex systems.Create, maintain, and present product demonstrations.Guide customers and prospects in utilizing the Antithesis platform and its testing methodologies.Who You AreTechnically adept and curious about technology trends.Eager for new challenges and opportunities.Keen to learn and adopt emerging technologies.Resilient under tight deadlines and high-pressure scenarios.Excellent communicator, both in writing and verbally.Collaborative team player, able to work effectively with a small, skilled team.Professional yet adaptable, comfortable in a fast-paced environment.

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

Travel Support Engineer (Backend)*Fullstack experience is a plus. London (Hybrid - 2 days onsite) Permanent | Visa sponsorship available | Immediate start Experience: Mid–SeniorTransform travel support with your expertiseAt Duffel, our passion for travel drives us to enhance the experience for every traveler. We understand the challenges faced when systems falter, and we are committed to developing innovative, efficient, and user-friendly support tools.In this position, you won't merely be coding; you'll play a key role in developing our first LLM-powered assistant within our support product. Your efforts will automate repetitive processes, allowing our Travel Operations team to tackle more complex issues, while creating enjoyable tools for travelers and colleagues alike. Each line of code you produce will make a significant difference.Key Responsibilities:• Develop full-stack features using React, TypeScript, Next.js, and Elixir that users engage with daily• Collaborate with designers to craft self-service tools that enhance traveler satisfaction• Integrate internal and external systems to deliver a seamless support experience• Streamline repetitive tasks, empowering your colleagues to focus on uniquely human challenges• Explore AI and automation technologies, contributing to the evolution of real-world applicationsIdeal Candidate:• Prioritizes the user experience over mere functionality• Enjoys simplifying complex challenges into clear, effective solutions• Exhibits curiosity about AI and automation, eager to integrate it into tangible products• Communicates technical concepts in a straightforward manner for broad understanding• Is passionate about delivering an exceptional user experiencePreferred Qualifications: Experience in SaaS/B2B, cloud platforms (GCP, Vertex AI), or familiarity with operational or support tooling.Why Join Us?At Duffel, you'll be part of a team that values meaningful work while fostering a fun environment: Competitive salary and potential equity Work From Anywhere – Choose your work location, locally or globally Duffel Travel Allowance – Experience the product you contribute to Generous parental leave Sabbatical programme – 3 months paid leave to recharge Visa sponsorship available Enjoy a vibrant Shoreditch office with regular team gatherings.

About Flagright:Flagright is at the forefront of innovation, providing an AI-powered operating system for financial crime compliance that is trusted by Fortune 500 companies, leading banks, fintech firms, and dynamic startups across the globe. Our platform facilitates real-time risk detection, streamlines automated investigations, and empowers compliance teams to make informed decisions, enhancing their capability to combat financial crime effectively.We pride ourselves on our agile, high-performing team structure that promotes individual ownership and offers direct access to our leadership.Role Overview:We are seeking a proactive and results-driven Mid-Market Account Executive to join our Sales team in London. This role is pivotal in expanding Flagright's market presence, particularly targeting various fintech companies within the UK and Europe.As an individual contributor, you will take ownership of the entire sales cycle—from identifying opportunities to closing deals. You will develop in-depth industry knowledge and foster relationships with key stakeholders in the financial crime sector throughout the European fintech landscape.In this fast-paced environment, you will operate autonomously, proactively build your sales pipeline, and represent Flagright at customer meetings and industry events across Europe.Ideal Candidates at Flagright:Resilient individuals who can bounce back from setbacksResourceful problem-solvers who utilize available tools effectivelyAssertive thinkers who can articulate and defend their viewpointsQuick learners with a strong desire to growCollaborators who appreciate straightforward interactions while contributing to meaningful projectsIndividuals who may find it challenging at Flagright:Require significant guidancePerceive high expectations as unrealisticPrioritize work-life balance excessivelyStruggle with uncertainty or rejectionPrefer a consistent routine over a dynamic work environmentKey Responsibilities:Manage the complete sales process: qualify leads, showcase our product, engage with multiple stakeholders, prepare pricing proposals, negotiate terms, and finalize contracts.Sustain a well-organized pipeline that aligns with quarterly and annual revenue objectives.