Senior Software Engineer (Azure, C#) at asos | London

Join us as a Software Engineer at Wehrtyou, where the code you develop is pivotal to our business operations. Our engineering team is tasked with creating and maintaining vital technology and infrastructure that underpins our trading success. In this dynamic role, you will collaborate closely with fellow engineers who design trading algorithms and oversee tr…

Join a Transformative CompanyAt Palantir, we develop pioneering software solutions that empower organizations to make data-driven decisions. Our cutting-edge platforms enable partners to create life-saving therapies, predict supply chain challenges, and assist in locating missing individuals, among other impactful initiatives.Your RoleAs a Software Engineer at Palantir, you will design and build high-impact software solutions that revolutionize how organizations leverage data on a global scale. This position offers an unparalleled opportunity for rapid career growth as you contribute to critical projects like Palantir Gotham, Palantir Apollo, and Palantir Foundry, utilized by a diverse array of professionals, including researchers, engineers, and analysts across various sectors. You'll be part of dynamic, focused teams where collaboration and learning are paramount, allowing you to gain insights into different business areas while specializing in your own.Key ResponsibilitiesIn this role, you will engage in all phases of the product development lifecycle—from ideation and design to execution and deployment. You will work closely with both technical and non-technical stakeholders to thoroughly understand their challenges and develop innovative solutions. Opportunities may arise for direct user engagement, such as visiting manufacturing facilities or collaborating with analysts to deepen your understanding of their operational needs.Core Principles of Software Engineering• Ownership: You will see projects through from conception to completion, overcoming challenges along the way.• Collaboration: Work alongside a diverse group of professionals, including engineers, product managers, and designers, while partnering with deployment teams to address customer needs.• Trust: We foster an environment where team members can manage their responsibilities independently while feeling supported in their roles.

Role overview LMAX seeks a C++ and Python Developer to join its Middle-Office Team in London. This group works alongside infrastructure, research, and treasury teams to advance trade reconciliation, back-testing frameworks, and trading monitoring systems. The main focus lies in data engineering and building trading systems from the ground up. Prior experience in finance or trading is not required for this position. Team approach The team operates at the intersection of C++ and Python. C++ powers the infrastructure, while Python supports research tasks like analysis and automation. Bridging these languages is central to the role, supporting integration and collaboration across disciplines. Performance and optimization Managing financial data introduces technical challenges, particularly around throughput. The team values software performance but never at the expense of maintainability. Developers work closely with the codebase to understand, optimize, and refine systems. Testing practices Comprehensive testing is a core part of the workflow. The team maintains test suites that include unit tests and full end-to-end simulations. Continuous integration runs these tests every 15 minutes, ensuring rapid feedback and no overnight waits for results. What you will do Write clear, well-structured, and thoroughly tested code in C++ and Python Develop software solutions that handle high throughput Pair program to share knowledge and prevent silos Design and implement features to enhance safety, performance, and usability Create interface code connecting C++ and Python using pybind Requirements Strong C++ skills, especially with modern C++ on Linux or UNIX Python development experience, including Numpy, Pandas, and SQL Experience with automated testing for both C++ and Python Ability to interpret business requirements and build effective systems Skilled at designing simple, well-documented, and maintainable solutions Comfortable working independently with minimal supervision No finance or trading background needed Bonus skills Experience with test-driven development and testing across multiple system levels Location This position is based in London, England, United Kingdom.

About UsAt Sierra, we're on a mission to revolutionize customer experiences through our innovative AI platform. With headquarters in San Francisco and expanding offices in cities like London, New York, and Singapore, we are dedicated to creating meaningful interactions between businesses and their customers.Our core values—Trust, Customer Obsession, Craftsmanship, Intensity, and Family—define our culture and drive our commitment to excellence in every project we undertake.Our visionary co-founders, Bret Taylor and Clay Bavor, bring a wealth of experience from leading tech giants like Google and Salesforce, ensuring that our team is equipped with unparalleled expertise in the field.Your RoleDesign and deliver robust AI agents: You will create high-performing, reliable, and intuitive AI agents that are crucial to Sierra's growth, operating across diverse sectors such as finance, healthcare, and e-commerce.Lead the Agent Development Life Cycle (ADLC): You will take charge from pilot development through to deployment and ongoing refinement, setting benchmarks for best practices in the industry.Collaborate with industry leaders: By partnering with major enterprises and innovative startups, you will address critical business challenges and integrate AI solutions that transform operational efficiencies.

Join a Transformative CompanyPalantir is at the forefront of creating powerful software solutions that facilitate data-driven decision-making and enhance operational efficiency. By connecting crucial data to the individuals who need it, our platforms enable partners to develop groundbreaking pharmaceuticals, predict disruptions in supply chains, locate missing individuals, and much more.Your RoleAs a Forward Deployed Software Engineer (FDSE), you will engage directly with clients to swiftly identify their most pressing challenges and craft innovative solutions leveraging data. Our clients depend on Palantir’s advanced platforms for their essential operations, with projects often beginning with questions like "How can we assess wildfire risk and optimize our power grid accordingly?" or "What strategies can we implement to rapidly evaluate our food supply chain and ensure timely delivery of life-saving aid?" In this role, you will harness your analytical skills, creativity, and technical expertise to empower organizations to utilize their data for meaningful global impact. This position offers a unique opportunity to gain insider perspectives and contribute to some of the world's most significant industries and institutions.Key ResponsibilitiesIn the FDSE role, you will assume responsibilities akin to those of a startup CTO. You will collaborate within small teams, working with minimal oversight while taking full ownership of high-impact projects from inception to completion. Your daily activities may include discussing architectural designs with fellow engineers, managing large datasets, developing custom web applications, engaging with customer executives, and strategizing for your team’s initiatives.

About Man GroupMan Group is a leading global alternative investment management firm dedicated to delivering exceptional performance for our sophisticated clients through our Systematic, Discretionary, and Solutions offerings. With a strong emphasis on talent and cutting-edge technology, our investment strategies, both single and multi-manager, are driven by comprehensive research and encompass public and private markets across all major asset classes, particularly in alternatives. We pride ourselves on building deep, collaborative partnerships with our clients and crafting bespoke solutions that align with their investment ambitions and the futures of the retirees and savers they support.Headquartered in London, we manage assets totaling $227.6 billion* and maintain a presence in various global offices. Man Group plc is publicly traded on the London Stock Exchange under the ticker EMG.LN and is a member of the FTSE 250 Index. For more information, please visit www.man.com.* As at 31 December 2025The TeamThis is an extraordinary opportunity to become part of one of the largest alternative asset managers. Technology is integral to Man's strategic direction, and we continually adapt to remain at the forefront of the industry. Our culture fosters innovation and change, with engineering being pivotal to our operational framework.We are looking for skilled Software Engineers with extensive experience in C# and .NET to spearhead the design and development of mission-critical systems within our domain. You will be instrumental in shaping the technical strategy and influencing architectural choices within a high-performing team. A passion for utilizing AI development tools to enhance delivery and promote their adoption within the team is essential.This role provides an excellent opportunity to collaborate and learn alongside highly talented engineers while acquiring essential knowledge in financial systems and order management. New team members will engage with the latest technologies to tackle upcoming challenges.

Role overview Alten Ltd. is seeking a Senior C++ Software Engineer based in London. This role centers on developing, designing, and maintaining software for projects in the Defense and Naval sector. The position requires a strong focus on high-quality, efficient software solutions that meet rigorous standards. What you will do Design and implement software in C++ for Defense and Naval applications Maintain and enhance existing codebases to support reliability and performance Work closely with multidisciplinary engineering teams to deliver solutions that align with client needs Requirements Extensive experience in C++ development Background in software engineering, with preference for experience in Defense or Naval projects Strong ability to collaborate and contribute within a team environment

Join Decisal, where we craft innovative software solutions that empower airlines worldwide to optimize their planning and scheduling processes. As we expand our product offerings, we're on the lookout for a dedicated and talented C++ Software Engineer to become a pivotal member of our vibrant team.In this role, you will be instrumental in designing and developing state-of-the-art software applications. You will engage with clients to implement new features and refine existing systems, enabling you to work on projects that significantly influence our customers and the aviation industry.We pride ourselves on fostering a collaborative and innovative work culture that values your creativity and recognizes your contributions. Decisal Ltd is dedicated to providing a nurturing and inclusive workplace that encourages both personal and professional growth.If you are a driven individual with a solid foundation in C++ programming and a passion for delivering high-quality software solutions, we invite you to apply!

Join Vortexa, a dynamic and rapidly expanding technology firm, dedicated to bridging the significant information gap in the energy sector. Leveraging extensive satellite data combined with cutting-edge artificial intelligence, we provide a revolutionary perspective on global seaborne energy movements in real-time. Our mission is to enhance transparency and efficiency within energy markets, ultimately benefiting society at large.The Data Platform Team at Vortexa oversees all aspects of our data, spanning from raw satellite AIS/imaging data to unstructured textual and graphical maritime data, including fixtures, port lineups, and customs filings. We also manage highly structured datasets, such as price and supply-demand forecasts, alongside modeling global energy flows and tanker fleet distributions.Our team has developed a diverse array of procedural, statistical, and machine learning models that enable us to deliver the most accurate and comprehensive insights into energy flows. We take pride in applying advanced research to real-world challenges in a sustainable, robust, and maintainable manner, with our data quality rigorously evaluated by seasoned market and data analysts.As a Software Engineer, you will play a vital role in designing and developing the infrastructure and applications necessary for the design, deployment, and benchmarking of both existing and new pipelines and machine learning models. Collaborating with software engineers, data scientists, and market analysts, you will ensure the reliability and fault tolerance of every component in the team’s data pipelines, ensuring our systems maintain 100% uptime.

Role Overview We are seeking a highly skilled C# Software Engineering Manager to lead a dynamic, product-focused engineering team. This role involves close collaboration with a Product Owner, business stakeholders, and third-party partners. The successful candidate will play a pivotal role in IT Development, overseeing team leadership, solution delivery, and providing technical direction, especially within finance and operations systems. We are looking for a leader who is technically proficient, passionate about mentoring engineers, and eager to actively engage with a Microsoft technology stack.Key Responsibilities Guide a team of software engineers within the Finance Automation team (Automation and Insights) product squad. Own the technical delivery across both internal development and third-party collaborations, ensuring high quality, timeliness, and alignment with business objectives. Work closely with business stakeholders across Finance, IT, and Operations to ensure cohesive project execution. Uphold high standards in software design, development, testing, and deployment, with a focus on security, resilience, and supportability. Engage in technical decision-making, architecture discussions, and implementation strategies. Promote continuous improvement in engineering practices, including DevOps methodologies, agile delivery, and release management.

At Ripple, we are pioneering a future where value transfers seamlessly, akin to the flow of information today. Our groundbreaking crypto solutions are transforming the financial landscape for institutions, businesses, government entities, and developers, fostering a more equitable global economy. Join us to thrive in an environment that champions your professional growth, surrounded by supportive colleagues.Are you ready to make a significant impact and unlock exciting career advancement opportunities? Come aboard and help us create real-world value.THE WORKRippleX is committed to empowering tomorrow's innovators on the XRP Ledger (XRPL), one of the fastest and most reliable public blockchains globally. We aim to democratize the digital economy by providing hands-on support, nurturing a community of developers, and leveraging our expertise as a forward-thinking technology firm.The XRPL is a decentralized public blockchain operated by a global network of businesses and developers dedicated to addressing challenges and generating value. With over a decade of proven reliability and more than 90 million ledgers closed, the XRPL boasts streamlined development, low transaction costs, exceptional performance, and sustainability. We seek senior engineering talent to uphold our high technical standards while crafting innovative solutions to meet the growing demands of the digital economy.WHAT YOU'LL DOEnhance the capabilities, performance, scalability, and reliability of the XRP Ledger.Engage in the complete software development lifecycle, encompassing architecture, technical design, C++ development, bug resolution, and functional as well as performance validations.Contribute to the open-source XRP Ledger community, establishing rigorous standards for coding, testing, and deployment.Actively participate in code reviews to uphold the quality of our codebase.WHAT YOU'LL BRINGA Bachelor’s degree in Computer Science or a similar discipline, along with 5+ years of substantial hands-on experience in software product development utilizing C++.Proficiency in backend distributed systems development.A strong enthusiasm for blockchain technology and its potential advantages.The capability to swiftly learn new technologies and programming languages.Exceptional problem-solving skills, with the ability to devise creative solutions independently.Preferred: Experience in developing and contributing to open-source software.

At Ripple, we are pioneering a future where value transfers seamlessly, akin to how information flows today. Our mission is ambitious and transformative, already making strides through our innovative crypto solutions tailored for financial institutions, enterprises, governments, and developers. We aim to enhance the global financial landscape, fostering economic equality and opportunities for individuals across diverse regions worldwide. Here, you will be empowered to perform your best work and expand your skill set, supported by a collaborative team.If you are eager to witness your contributions make a real-world impact and explore remarkable career advancement prospects, we invite you to join us in creating tangible value.The TeamRippleX is committed to equipping the innovators of the future on the XRP Ledger (XRPL), renowned as one of the fastest and most dependable public blockchains globally. Our goal is to democratize the digital economy through practical support, empowering a vibrant developer community, and leveraging the expertise of a forward-thinking technology organization.The Programmability team plays a crucial role in this vision, dedicated to enhancing the core functionalities of the XRP Ledger to accommodate smart contracts and more sophisticated on-ledger capabilities. We are on the lookout for skilled engineers who are passionate about shaping the future of decentralized applications.Your ResponsibilitiesDesign, develop, and maintain foundational components of the XRP Ledger to boost programmability, smart contract functionalities, performance, and scalability.Lead the integration and upkeep of a WebAssembly (WASM) virtual machine within the XRPL’s C++ core.Participate in the complete software development lifecycle, encompassing architecture and design to development using modern C++ and Rust, alongside rigorous testing.Produce system design documentation and spearhead technical conversations with both internal and external engineering stakeholders.Maintain high coding and testing standards as a champion of the open-source XRP ledger community, including engaging in code reviews.

Join Zopa as a Senior Software Engineer specializing in C#. In this role, you will leverage your technical expertise to build innovative solutions that enhance our digital offerings. Collaborate with cross-functional teams to design and implement scalable software applications, while maintaining a focus on performance and security.

Role overview Genomics England is looking for a Software Engineer with solid Python experience to help create software that drives genomics research and benefits patient care. The team combines engineers and scientists who work together to build scalable tools that advance the organization's mission. What you will do Develop and maintain software applications using Python for genomics-related projects. Collaborate with fellow engineers and scientists to design solutions that back both research and clinical goals. Contribute to technology projects aimed at improving patient outcomes. Location This role is based in London.

We are looking for a Senior Staff Python Software Engineer to join our dynamic team at abound. In this role, you'll leverage your expertise in Python to design, develop, and maintain high-quality software solutions that meet our clients' needs. You'll work closely with cross-functional teams to deliver innovative products that drive our mission forward.

C/C++ Software Engineer (Video)Location: LondonAbout UsAt New Route Recruitment Limited, we are proud to present our state-of-the-art video platform designed for live, social, and mobile environments. Our cloud-based technology alleviates the conventional challenges associated with professional video production and distribution.We collaborate with some of the world's leading broadcasters and rights holders, including renowned names like Sky Sports, BT Sport, Eurosport, ITV, Turner, The Premier League, LaLiga, The FA, Buzzfeed, AELTC Wimbledon, and GOAL.com. Our platform seamlessly integrates with major social media channels such as Facebook, Instagram, Periscope, Twitter, and YouTube, and we are a recognized global partner for Facebook Live.Leveraging Amazon Web Services as our primary hosting provider, our platform is designed for scalability and high availability to serve a global clientele. This cloud-based infrastructure empowers our engineers with agility, enabling them to explore innovative solutions while ensuring reliability and rapid development cycles.We believe in the potential of nurturing bright graduates and junior engineers, which we view as vital to our growth. From day one, you will be paired with a mentor who will assist you with technical inquiries and guide your career path by helping you identify your focus area within our platform (video, data, front-end, architecture, streaming, etc.) while providing regular performance evaluations.Your well-being and commitment to our team are paramount. We encourage pushing the boundaries with cutting-edge technologies and provide you with significant responsibilities from day one—overseeing the entire product lifecycle: from design and architecture to deployment, support, and monitoring in production. This approach ensures that you feel engaged, challenged, and impactful in your role.Our commitment to creating a supportive environment has contributed to the long-term retention of our talent. Many of our current senior engineers, including our Product Owner and Lead Software Architect, started as graduate engineers and have evolved into key leadership roles within the organization.We value social interactions and fun, offering various activities to foster team spirit.If you are driven by technology and eager to make a difference, we want you on our team!As a C/C++ Software Engineer, you will play a crucial role in designing, building, and supporting the platform’s Media Engine, which facilitates live and on-demand encoding, including applying exciting video effects.

About AboundAt abound, we are revolutionizing the landscape of consumer lending across the UK and beyond. By leveraging cutting-edge AI and Open Banking data, we strive to make fair and affordable personal finance accessible to a wider audience. Unlike traditional lenders who heavily depend on credit scores, we analyze the complete financial picture of our customers—considering their spending patterns and repayment capabilities—to build a nuanced understanding of their unique financial situations.Our approach has proven successful at scale. We have facilitated over £1.3 billion in loans directly to customers while achieving exceptional credit performance—for every 10 defaults anticipated by the industry, we experience only 3. Remarkably, we reached profitability just 2.5 years post-launch.With backing from over £2 billion from prestigious investors including Citi, GSR Ventures, and Deutsche Bank, we are recognized as one of Europe’s fastest-growing fintech companies (Sifted, CNBC). As we expand into new markets and product lines, we are on the lookout for driven individuals eager to learn, take ownership, and grow alongside us.We are seeking a talented Senior Python Engineer to join our engineering team. In this role, you will collaborate closely with our Finance team to design and implement automation solutions that enhance our core financial operations. You will be responsible for translating business needs into robust, maintainable systems that increase accuracy and efficiency across critical workflows.This position requires a candidate who blends strong technical acumen with a desire to understand the business intricacies. You will be empowered to independently scope and execute changes, manage stakeholder expectations, and ensure every enhancement is durable. Your contributions will play a vital role in maintaining the smooth and scalable operation of our financial processes.We value engineers who take initiative, enjoy tackling complex challenges, and excel at clarifying ambiguous requirements. You will thrive in our environment if you are motivated by creating systems that deliver tangible business impact, can articulate technical concepts to non-technical partners, and take pride in producing high-quality, well-designed code.At abound, you will immerse yourself in a culture that champions autonomy, curiosity, and continuous improvement. You will engage with a modern Python-based tech stack, gain in-depth insights into how financial operations function in a rapidly growing lending business, and have the opportunity to enact significant technical changes in collaboration with experienced stakeholders.

Alten is looking for a Senior Embedded C++ Engineer based in London. This position centers on designing, developing, and optimizing embedded software for a range of industry projects. Role overview This role involves working closely with cross-functional teams to build reliable embedded software. The focus is on delivering solutions that meet strict functional and performance standards. What you will do Design and implement embedded C++ software for diverse applications Optimize code for efficiency and reliability Collaborate with colleagues across engineering and product teams Ensure software meets both functional and performance requirements Location This position is based in London.

Join our dynamic global team as a Software Engineer where you will play a crucial role in enhancing the quality, development, and delivery of our software solutions.As part of a multidisciplinary technology department, you will collaborate with experts from various locations including Barcelona, New York, London, Manchester, Bucharest, and India. If you're eager to make a significant impact in a rapidly growing company, we would love to hear from you!About TransPerfect - TechOps:The TransPerfect TechOps team has been instrumental in our success for over a decade, providing technology and services that significantly enhance the efficiency of our clients and colleagues. From streamlining workflows to developing core services on our GlobalLink platform, we create user-friendly client interfaces that simplify complex systems.