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We are seeking a highly skilled Senior Java Developer to join our dynamic team at Qurious Associates Limited. In this role, you will leverage your expertise in Java development to design, implement, and maintain robust applications that meet the needs of our clients. You will collaborate with cross-functional teams to deliver high-quality software solutions using modern development practices.
Qurious Associates Limited is a forward-thinking technology company located in the heart of London. We specialize in delivering innovative software solutions that empower businesses to thrive in a digital world. Our team is passionate about technology and dedicated to fostering a collaborative and inclusive work environment.
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Faculty
Join our dynamic team as a Senior Software Engineer at Faculty, where innovation meets technology. In this pivotal role, you will be responsible for designing, developing, and maintaining cutting-edge software solutions that drive our projects forward. We're looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle c…
Entain
Role overview Entain seeks a Senior Software Engineer based in London. The position centers on designing, building, and refining high-performance applications that drive key business objectives. Collaboration is a core part of this role, with regular interaction across multiple disciplines to deliver dependable software solutions. What you will do Develop and improve software applications, focusing on performance and scalability Work with cross-functional teams to bring features from initial idea through to deployment Offer technical insight that helps guide Entain’s technology strategy
Netcompany
Join our innovative technology consultancy where you will find a vibrant career path and the chance to work with groundbreaking technologies. As a Software Developer, you will engage in the entire software development life cycle, providing you with hands-on coding experience while driving your team towards success. Are you eager to be involved in everything from design and development to delivering high-quality solutions to our clients?We leverage a diverse array of technologies including .Net, C#, Java, Salesforce, Sharepoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, AzureDevOps and Octopus. Our commitment to utilizing the most effective and contemporary technologies will empower you to expand your knowledge and skills across various programming languages.You will be part of our Application Support (APS) team, gaining insights into the various platforms and products we manage in the UK. This role encompasses a blend of development, DevOps, and support responsibilities, including participation in an on-call rotation.Key Responsibilities:Full-stack system development including front-end, back-end, and integrationsEngagement in DevOps practicesProviding service supportWorkflow planning and managementProcess optimization and quality assurance initiativesImplementing customer-focused design requirements for new featuresAnalysis and design of comprehensive solutionsCollaborative daily discussions with your teamEnd-to-end project delivery management
Sony Interactive Entertainment Global
Role overview Based in London, the Senior Software Engineering Manager for Quality Engineering at Sony Interactive Entertainment Global leads a talented group of engineers. The position centers on defining and executing the strategy for software quality and performance across projects. Main responsibilities Shape the strategic direction for the quality engineering team Mentor and guide engineers, supporting their professional development Establish and maintain effective software testing practices Encourage ongoing improvement within the team Collaborate with cross-functional partners to ensure quality standards are met throughout the software development lifecycle Collaboration and impact This leadership role bridges engineering and quality, making sure software products meet rigorous standards from initial planning through release. Regular interaction with teams across Sony Interactive Entertainment Global helps to maintain and raise quality expectations company-wide.
Role overview The Senior Software Engineer I at Runna will play a key part in shaping how users interact with the company’s products. The work centers on designing, developing, and maintaining applications that support a strong user experience. Expect to take a hands-on approach, working closely with colleagues from different teams to deliver solutions that scale and perform reliably. Location This role is based at the Runna office in London.
The Trade Desk
Role overview The Trade Desk is hiring a Software Engineer II focused on Buying in London. This role centers on building and improving software that helps clients make smart advertising choices. The position works closely with teams from different disciplines to design, develop, and refine solutions for digital advertising. What you will do Partner with cross-functional colleagues to create and enhance software for advertising buying workflows Design and implement features that support client decision-making in digital advertising Contribute technical knowledge and fresh ideas to ongoing projects
Blacklane
Join our dynamic team as a Senior Software Engineer specializing in Backend development. In this role, you will collaborate within our autonomous agile teams to craft the services that drive the Blacklane platform. Your contributions will enhance our back-office systems and address integration challenges for our business partners.Our Tech Environment: Our technology stack includes Ruby, Go, TypeScript, and Java, all structured using Domain-Driven Design (DDD). These services are deployed on Kubernetes and communicate via domain events using SQS and Kafka. We utilize a variety of data storage solutions including PostgreSQL, MySQL, Elasticsearch, Redis, and DynamoDB. Our cloud infrastructure is primarily based on AWS, with provisioning managed through Terraform.YOUR CHALLENGE:Address unique challenges to customize our products for specific markets.Maintain high standards through thorough test coverage, documentation, code reviews, and knowledge sharing.Dedicate time to optimizing performance, usability, and maintainability of the systems you oversee.Focus on personal development by acquiring new skills and technologies.Collaborate with a motivated, open-minded team committed to enhancing travel experiences for our guests.ABOUT YOU:You are proactive, curious, and a collaborative team player.You have at least 5 years of experience with two or more programming languages.You are proficient in at least one of the following languages: Ruby or Go.You possess knowledge of the HTTP protocol and have experience with REST APIs.You write high-quality, maintainable code and are familiar with the challenges of distributed systems.You are eager to learn more about event-driven architecture and domain-driven design.You have experience with Docker and containerized environments; knowledge of Kubernetes and Terraform is an advantage.
Senior Software EngineerBecome a key player in our mission to revolutionize the shopping and dining experience, where innovation, impact, and growth are at the forefront of everything we pursue. Our Engineering teams tackle intricate technical challenges across a global, three-sided marketplace, constructing and scaling systems that cater to millions of customers, riders, and partners daily.From real-time logistics to robust infrastructure and marketplace optimization, we design, build, and operate technology that fuels Deliveroo’s expansive growth.We seek a Senior Software Engineer to join our London (Hybrid - 3 days from the office) team. In this pivotal role, you will enhance code structure and architecture while leading project planning to maximize efficiency and reliability across our production systems.Familiarize yourself with our Engineering team — discover what motivates us, our work culture, and what you can anticipate.Your ResponsibilitiesHere’s what your day-to-day might encompass:Pursue Technical Excellence: Refine code structure and architecture within your team’s domain, conducting impactful code reviews to ensure quality and scalability.Steer Project Planning: Anticipate dependencies and risks, collaborating closely with Product and Design to ensure seamless delivery of complex features.Enhance Operations: Streamline the maintenance and operation of production systems, fostering visibility, health, and operational readiness.Collaborate & Influence: Cultivate relationships across engineering teams to uncover collaboration opportunities and influence the broader technical roadmap.Mentor & Recruit: Facilitate the personal development of your colleagues through technical mentorship and actively participate in engineering interviews to expand our team.Desired QualificationsOur ideal candidate will bring robust expertise in several of these areas and a willingness to grow in others:Solid Engineering Principles: A strong commitment to crafting readable, well-designed, and thoroughly tested software.Backend Proficiency: Extensive experience in developing web-based applications (we utilize Go, Ruby/Rails, Python, Scala, and Rust).Data Proficiency: Familiarity with data handling and optimization techniques.
We are seeking an experienced Senior Software Engineer to join our innovative team at AECOM in London. In this role, you will be responsible for designing, developing, and implementing software solutions that meet client needs. You will collaborate with cross-functional teams to deliver high-quality products and improve our software development processes.
Role Overview Wise is looking for a Senior Software Engineer II with fullstack experience and a focus on Server Driven UI. This role centers on building and maintaining software that supports smooth user experiences across different platforms. What You Will Do Design and implement software systems for Server Driven UI Work closely with teammates to develop solutions that improve user experience Apply fullstack engineering skills to deliver features across both frontend and backend Location This position is based in London.
Join Axon and become a Force for Good.At Axon, we are dedicated to Protecting Life. Our mission drives us to tackle society's most pressing safety and justice challenges through our innovative ecosystem of devices and cloud-based software. We believe in collaboration, openness, and the value of diverse perspectives from our customers, communities, and each other.Life at Axon is dynamic, demanding, and impactful. Here, you will take ownership of your work and instigate tangible change. Experience continuous growth while contributing to a mission that truly matters, at a company that values your contributions.Your ImpactThis position is ideal for innovators who thrive in a startup-like environment. In Axon's Global Artificial Intelligence division, you will develop a groundbreaking product with a small, dedicated team, aiming to deliver something unprecedented to the market swiftly.As a Senior Software Engineer I, you will spearhead critical aspects of the product from conception to launch. You will make informed architectural decisions, maintain high quality while accelerating development, and assist the team in transforming prototypes into a scalable solution.This role is fundamentally AI-driven: AI will be integral to your delivery approach, not merely an addition.What You’ll DoOversee the development of significant product features and services; manage end-to-end ownership from design through to operations.Clarify product direction amidst uncertainty: articulate the problem, define MVP scope, establish success metrics, and ensure stakeholder alignment on project completion criteria.Create and deploy software using AI methodologies across the Software Development Life Cycle (SDLC), with thorough validation practices to ensure accuracy and quality.Utilize engineering metrics (lead time, PR throughput, defect rates, test coverage, incident load) to assess and enhance delivery outcomes, refining team shipping processes.Make architectural choices that effectively balance speed and scalability, recognizing when temporary solutions become permanent.Implement and uphold engineering best practices that enhance productivity (testing strategies, CI/CD, observability, and sensible release methodologies).Collaborate closely with Product and Design teams (and function effectively in their absence) to prioritize, sequence, and deliver the highest-value increments.Mentor fellow engineers while fostering a culture of trust and ownership.
Join our innovative team at Kaluza as a Senior Software Engineer I, where you will play a crucial role in shaping the future of energy technology. You will collaborate with talented engineers to design and implement software solutions that enhance our platform's scalability and performance.
Deliveroo
Senior Android Software EngineerAt Deliveroo, we are on a mission to revolutionize the shopping and dining experience, powered by our commitment to impact, innovation, and growth. Our Engineering teams face complex technical challenges in a global, three-sided marketplace, creating and enhancing systems that serve millions of customers, riders, and partners every day.From real-time logistics to robust infrastructure and marketplace optimization, we design, build, and maintain technology that fuels Deliveroo’s expansive growth.We are seeking a Senior Android Software Engineer to join our dynamic team in London. In this role, you will contribute to the development and scalability of our top-tier mobile applications, ensuring an uninterrupted and high-performance experience for our diverse user base. This position is based in our London office with a hybrid work arrangement, typically requiring three days in the office.Explore our Engineering team to learn about what motivates us, our collaborative work environment, and what you can expect from us.Your ResponsibilitiesAs a member of the Consumer Tech team, you will focus on the complete customer journey—from the moment they launch the app to when their meal arrives—ensuring each interaction is seamless, quick, and dependable.Your daily activities will include:Lead technical execution by designing, developing, and scaling Android applications that manage complex, real-time interactions on a global scale.Enhance architectural frameworks and conduct code reviews to ensure the maintainability, visibility, and operational health of our mobile codebase.Collaborate with cross-functional teams (PMs, Experience Designers) to plan projects, guide technical decisions, and influence the team’s roadmap.Take ownership of large-scale features from conception to delivery, streamlining maintenance and ensuring operational readiness across our production systems.Foster the development of team members by mentoring peers, promoting efficiency, and actively participating in the engineering hiring process.What We’re Looking ForThe ideal candidate will possess substantial expertise in several of the following areas, with an eagerness to expand their knowledge in others:Extensive experience in developing Android applications, showcasing a robust understanding of the platform and its ecosystem.
Do you have the passion to drive innovation? Join AnyVan and revolutionize the way we move anything, anywhere while building a fulfilling career that accelerates with every challenge. Founded in 2009 by our visionary CEO Angus, AnyVan emerged from the need to optimize logistics by utilizing underused van space. Our mission is to transform logistics technology, dramatically reducing wasted journeys and carbon emissions. With over 150,000 five-star reviews and a customer base exceeding 5 million across the UK and Europe, we are proud to be the preferred choice for countless users. Our dedicated team of 400 AnyVanners, operating from London, Cape Town, and Bogota, is committed to reducing carbon emissions by 8,520 tonnes annually. Be at the forefront of logistics innovationAt the core of our operations is a cutting-edge optimization platform that seamlessly connects customer needs with real-time driver availability, enabling us to provide exceptional service at unbeatable rates.By efficiently matching jobs with drivers already on the road, we minimize unnecessary miles, reduce emissions, and ensure fair earnings for our drivers. It’s a complex interplay of logistics, pricing, and marketplace dynamics, all powered by advanced software.And this is just the beginning...As we embark on the next phase of development, we're transitioning our platform to a truly intelligent logistics marketplace. Your role will involve designing and building systems to:Accurately model job-level costs in real time, paving the way for smarter, more dynamic pricing strategies.Enhance our driver platform, integrating it deeper into their daily operations and unlocking new revenue streams.Establish a two-sided marketplace, facilitating the buying and selling of non-core jobs among drivers to optimize utilization.Scale efficiently as we grow in volume, complexity, and ambition.This position is ideal for engineers who thrive on tackling complex, high-impact challenges and shaping the evolution of a scalable platform.
Why Verifone For over four decades, Verifone has been at the forefront of the electronic payment technology industry, establishing itself as a leader and a trusted name in electronic payment solutions. As one of the largest providers of payment systems globally, we take pride in our innovative approach to delivering exceptional payment solutions. At Verifone, our work environment is diverse, dynamic, and fast-paced, where results matter. We work closely with leading retailers, merchants, banks, and partners to design and implement groundbreaking payment solutions worldwide. Our commitment to excellence and customer satisfaction drives our team, fostering a culture of innovation and ambition that empowers every employee to achieve both personal and professional success. About The Role We are on the lookout for a Senior Software Engineer (Node.js / TypeScript) based in London to develop and maintain backend services that support payment, checkout, and transactional workflows. This role involves close collaboration with Product, Frontend, Platform, and Infrastructure teams to create secure and scalable APIs within high-throughput environments. Your contributions will be pivotal to Verifone’s payments and checkout platform, where backend engineering plays a crucial role in facilitating secure and high-volume transactions on a global scale. You will design and manage scalable, production-critical systems that must perform reliably under real-world conditions, adapt to evolving payment methods, and meet strict security standards.
Join Aircall, a leading unicorn in the customer communications sector, revolutionizing the way businesses connect with their customers. Our AI-powered platform, trusted by over 22,000 companies globally, integrates voice, SMS, WhatsApp, and AI into a single cohesive workspace, enhancing revenue generation, expediting issue resolution, and empowering customer-facing teams.At Aircall, we believe in working smarter, not harder. Our AI Voice Agent automates routine calls, AI Assist simplifies post-call tasks, and AI Assist Pro offers real-time support, enabling teams to perform at their best. This innovation leads to increased revenue, quicker resolutions, and scalable teams.Headquartered in Paris, with a robust presence in North America centered in Seattle, Aircall has teams across various cities including Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. We have crafted a beloved product and a rapidly growing business, supported by top-tier investors and driven by swift AI advancements across our offerings.At Aircall, you will become part of a dynamic and ambitious organization, where product excellence and execution are paramount. We prioritize swift decision-making, visible impact, and genuine growth.Our Work Culture: We are dedicated to our customers, rely on data-driven insights, and are focused on delivering impactful results. We value responsibility, continuous learning, and thoughtful speed. If you thrive in a collaborative, fast-paced environment where trust and impact are essential, you'll fit right in.We are seeking a motivated and passionate Senior Software Engineer to join our expanding engineering team and contribute to our innovative projects.In this role, you will be responsible for the design, development, deployment, and operation of critical features that enhance customer satisfaction. You will focus on operational excellence, metrics, observability, and best practices while mentoring your peers within the engineering team.With a commitment to quality, excellence, and agility, you will help elevate our delivery processes. Utilizing a NodeJS and Typescript back-end stack hosted on AWS, you will ensure that our solutions meet the highest standards.
Join PhysicsX as a Senior Software Engineer specializing in our AI Workbench. In this pivotal role, you will lead the development of cutting-edge artificial intelligence solutions that empower our clients to harness the full potential of data and analytics. Your expertise will contribute to the design and implementation of scalable software architectures, ensuring robust performance and reliability. You will collaborate with cross-functional teams to define project requirements and engage in hands-on coding, code reviews, and mentoring junior engineers. If you are passionate about AI and eager to push the boundaries of technology, we want to hear from you!
Join Our Team!Are you an innovative Senior Software Engineer looking to make a significant impact? At Perk, we are redefining the landscape of travel and spend management with our intelligent platform. Our mission is to eliminate the tedious manual tasks that hinder productivity, allowing professionals to focus on what truly matters.Since our establishment in 2015, we've grown to serve over 10,000 companies globally, including renowned names like Wise, On Running, and Breitling. Our cutting-edge tools streamline everything from travel bookings to expense management, addressing a staggering $1.7 trillion problem of lost productivity.With a vibrant workforce of over 1,800 talented individuals across 12 offices, we are committed to fostering innovation and enhancing workplace culture. We believe in the power of curiosity, purpose, and teamwork, and we want you to be part of our journey to transform how businesses operate.
Kaluza
Kaluza is hiring a Software Engineer II to help advance its Energy Intelligence Platform. This hybrid role can be based in London, Bristol, or Edinburgh. The team focuses on building scalable SaaS solutions for energy retailers, supporting the shift to cleaner, electrified systems. The salary range for this position is £46,000 to £60,000. Please note that visa sponsorship is not available at this time. Role overview This position reports to a Software Engineering Manager. The specific team and responsibilities will be shaped during the interview process, matching your experience to areas where you can make the most impact. The Talent Acquisition team will provide guidance throughout the process. What you will do Contribute to the Energy Retail platform, a SaaS product designed for energy retailers and decarbonization initiatives. Develop and enhance backend services with TypeScript and Node.js, focusing on reliable, event-driven systems at scale. Work closely with product managers, designers, and engineers to deliver features that address user needs. Take responsibility for specific services or components, supported by experienced colleagues. Write well-tested code, interact with databases, and use cloud technologies such as AWS. Help maintain stable production systems and participate in a culture of continuous improvement. About Kaluza Kaluza’s platform uses data, AI, and real-time decision-making to help energy companies manage complexity and deliver practical solutions. The company partners with organizations like OVO, AGL, ENGIE, Volvo, and Volkswagen, and operates globally, including a joint venture with Mitsubishi Corporation in Japan. Kaluza’s mission is to make clean energy reliable and affordable through predictive algorithms and human-centered design.
Airwallex
About AirwallexAirwallex stands as the sole unified payments and financial platform tailored for global enterprises. Leveraging our unique blend of proprietary infrastructure and innovative software, we empower over 200,000 businesses globally—such as Brex, Rippling, Navan, Qantas, and SHEIN—with comprehensive solutions for managing everything from business accounts and payments to spend management, treasury, and embedded finance on a worldwide scale.Founded in Melbourne, we proudly boast a team of over 2,000 of the most talented and inventive minds in technology across 26 offices worldwide. With a valuation of US$8 billion and the support of top-tier investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of creating the global payments and financial platform of tomorrow. If you're ready to embark on the most ambitious journey of your career, we invite you to join us.Attributes We ValueWe seek builders who possess founder-like energy and desire to make a tangible impact, accelerate their learning, and gain true ownership. You bring substantial role-related expertise and sharp analytical thinking, motivated by our mission and operating principles. You act swiftly with sound judgment, explore deeply with curiosity, and make decisions grounded in first principles, maintaining a balance between speed and thoroughness.You demonstrate humility and collaboration by transforming zero-to-one ideas into tangible products, ensuring that you 'get things done' from start to finish. Utilizing AI, you work smarter and solve problems more efficiently. Here, you will confront complex, high-visibility challenges alongside exceptional teammates while advancing your career as we shape the future of global banking. If this resonates with you, let’s build what’s next together.What the Scale Team DoesEmbedded Finance Platform: Design and maintain the multi-tenant infrastructure that supports enterprises like Rippling, Navan, Qantas, and SHEIN. You will architect systems that consolidate requests from all platform clients, ensuring enterprise-grade SLAs for availability, latency, and throughput while managing cross-data-center scenarios.Cross-Domain Product Features: Own features requiring a synthesis of knowledge across business, regulatory, and technical domains—areas where no single existing team has complete coverage, such as tax systems, compliance-driven flows, or monetization tools.Solutions Architecture: Design integrations for enterprise prospects to enhance operational efficiency and drive growth.
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