44 software engineer jobs found in London

Help us use technology to make a big green dent in the universe! Kraken powers some of the most innovative global developments in energy. We’re a technology company focused on creating a smart, sustainable energy system. From optimising renewable generation, creating a more intelligent grid and enabling utilities to provide excellent customer experiences, our operating system for energy is transforming the industry around the world in a way that benefits everyone. It’s a really exciting time in energy. Help us make a real impact on shaping a better, more sustainable future. Kraken Utilities Our tech platform ‘Kraken’ is already licensed to support 55 million customer accounts globally, and we aim to serve 100 million by 2027. Kraken is the most AI-driven, innovative, forward-thinking platform for energy management. From optimising resources to delivering cost-effective, exceptional customer experiences through advanced Customer Information Systems (CIS),...

About the Team With Codex we’re building an AI software engineer. One that you can pair with, delegate to, or even ask to take on future tasks proactively. Our team is a fast-moving group within OpenAI, bringing together research, engineering, design, and product. We iteratively build the Codex agent harness and product to get the most out of the model, and we iteratively train the model to be great at complex software engineering tasks. The Codex team is responsible for building state-of-the-art AI systems that can write code, reason about software, and act as intelligent agents for developers and non-developers alike. We operate across research, engineering, product, and infrastructure; owning the full lifecycle of experimentation, deployment, and iteration on novel coding capabilities. Codex for Teams builds products and platform capabilities to drive the adoption of Codex in diverse team environments. It is a cross-cutting team that works across the stack to build...

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters — to you, to your community, and to the world. Progress starts with you. Job Description Currencycloud was acquired by Visa in December 2021. The Treasury Liquidity Management Team is responsible for building the engine that determines where funds should be positioned at any given time to optimise liquidity across our global network. This engine will be designed using modern architectural principles, including event-driven approaches, to ensure scalability, resilience, and real-time...

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions. At FactSet, our values are the foundation of everything we do. They express how we act and operate , serve as a compass in our decision-making, and play a big role in how we treat each other, our clients, and our communities. We believe that the best ideas can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients’ needs and exceeding their expectations. FactSet provides flexible, open data and software solutions to over 200,000 investment professionals worldwide, enabling instant access to financial data and analytics that investors use to make crucial decisions. Are you passionate about leveraging technology for a greater impact? FactSet's ESG team is searching for engineers who want to build software that...

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world's largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine's Top Company Cultures list and ranked among the World's Most Innovative Companies by Fast Company. We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new...

About ClickHouse Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast-growing private cloud companies. With over 2,000 customers and ARR that has more than quadrupled over the past year, ClickHouse leads the market in real-time analytics, data warehousing, observability, and AI workloads. ClickHouse’s incredible momentum was confirmed in its recent $350M Series C financing that included new, tier one investors, Khosla Ventures, BOND, IVP, Battery Ventures and Bessemer Venture Partners. We’re on a mission to transform how companies use data. Come be a part of our journey! About the Team The Cloud Infrastructure Engineering team builds and manages the foundational blocks of ClickHouse Cloud data plane end-to-end. This includes compute, networking, security, and a multi-cloud, multi-region architecture that provides a reliable and scalable managed ClickHouse experience for ClickHouse Cloud customers....

About iProov iProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI threats while ensuring effortless, scalable user experiences. Trusted by leading governments and enterprises, including the U.S. Department of Homeland Security, U.K. Home Office, GovTech Singapore, ING, and UBS, iProov sets the standard in biometric identity assurance. This global trust is built not only on our technology but on the strength of the people behind it. For us, diversity at iProov is about reflecting the customers we serve, holding the principles of equality and inclusion at the heart of everything we do and all that we stand for, embracing differences, creating possibilities, and growing together. We aim to foster a culture where individuals of...

Liftoff is a leading AI-powered performance marketing platform for the mobile app economy. Our end-to-end technology stack helps app marketers acquire and retain high-value users, while enabling publishers to maximize revenue across programmatic and direct demand. Liftoff's solutions, including Accelerate, Direct, Monetize, Intelligence, and Vungle Exchange, support over 6,600 mobile businesses across 74 countries in sectors such as gaming, social, finance, ecommerce, and entertainment. Founded in 2012 and headquartered in Redwood City, CA, Liftoff has a diverse, global presence. Responsibilities: Design, develop, and implement machine learning models to predict competitive bidding landscape, conversion rate, ad relevance to users etc. Analyze data to identify useful relations, patterns and features that are predictive of user behaviors, preferences, intents, interests Continuously identify and explore new and unconventional data sources Generate hypothesis...

Zaizi is looking for a Senior Data Engineer to design, build and operate modern data pipelines and analytics platforms for digital services across the UK public sector. You will work as part of multidisciplinary, agile teams to enable organisations to collect, process and use data effectively, supporting operational reporting, analytics and insight. The role is hands-on and delivery-focused, with responsibility for applying sound data engineering practices rather than promoting any single technology or cloud provider. This role suits someone who can work independently on well-defined problems, exercise judgement in selecting appropriate tools and approaches, and contribute to the continuous improvement of data platforms and ways of working in line with GDS standards, government data principles, and secure-by-design practices. Requirements We are happy to discuss these further during the interview process and jointly agree them with the successful candidate....

Senior Manager, Finance Automation & AI Finance Poland / Finland / UK / Spain / Germany / Remote Reporting to FP&A Director Permanent Hybrid / Remote with travel Employment is subject to applicable security screening (incl. SUPO) The Mission of the Senior Manager, Finance Automation & AI ICEYE is a defence tech company built on advanced AI, rapid experimentation, and technical excellence. Finance must operate with the same ambition. The Senior Manager, Finance Automation & AI will play a key role in designing, prototyping, and deploying AI and automation solutions that meaningfully improve how Finance operates day-to-day. This role is hands-on and improvement-focused: you will identify high-value opportunities, build or support the development of automation solutions, and work closely with Finance teams to embed better, faster, and more controlled workflows. You will not have day-to-day operational responsibilities; instead, your mandate...

At Sabio Group, we're dedicated to fostering an environment where employees thrive. Since 1998, we've built a dynamic culture that is both challenging and fun, driven by a team of ambitious, knowledgeable individuals who are passionate about leading the CX revolution. We're seeking creative, resourceful people to join our fast-growing organisation, where you'll have the opportunity to develop your skills and contribute to a culture of continuous learning. We work with some of the world’s largest organisations across various industries, delivering exceptional digital customer experiences through our unique blend of expertise, technology, and insight. As one of Europe’s fastest-growing providers of CX transformation solutions, we’re committed to sustainability, diversity, and inclusion, ensuring our workforce reflects the diverse society we serve. Join us and help shape the future of customer experience. We are currently looking for a passionate and enthusiastic AI Solutions...

Who we are... Verdantix's mission is to deliver independent, accurate, and actionable research and advisory services. We empower the world's most innovative corporations, technology and services vendors, and investors with granular insights and data-driven analysis. Our team is a curious, collaborative group of expert analysts, data engineers, commercial specialists, creative professionals, and thought leaders working together to help clients achieve their most important goals. The role... Within the Technology function, the AI/ML Engineer will be a core technical contributor responsible for building, maintaining, and evolving the Verdantix AI capabilities. The role will design and own backend system components essential to delivering a RAG model to downstream system components including an orchestration layer, hybrid search pipelines, embeddings, permission gatekept retrieval logic, summarisation layer, etc. Initially the AI/ML Engineer will collaborate closely...

Product, Tech & AI · London Marathon Events · Permanent · Hybrid Job description London Marathon Events (part of the London Marathon Group) works to inspire, champion and increase activity in all ages, abilities and demographics. We do this through our successful event portfolio (which includes the TCS London Marathon and TCS Mini London Marathon, Brighton Marathon, The Big Half, Vitality London 10,000, Vitality Westminster Mile, Standard Chartered Great City Race and Swim Serpentine), through our extensive outreach programmes working with schools and community groups in London and across the UK and through our network of wholly owned or partially owned companies, such as Maverick, Run 4 Wales, Loch Ness Marathon Ltd, Caledonian Concepts, Athletic Ventures and Friday Night Lights Our events raise millions for charities every year to improve the lives of individuals and communities and we passionately believe in the power of sport. Our values are integral...

Snowflake Data Engineer | Senior Consultant London or Manchester | Hybrid About us - Slalom Slalom is a purpose-led, global business and technology consulting company. From strategy to implementation, our approach is fiercely human. In six countries and 45 markets, we deeply understand our customers—and their customers—to deliver practical, end-to-end solutions that drive meaningful impact. Backed by close partnerships with over 400 leading technology providers, our 13,000+ strong team helps people and organisations dream bigger, move faster, and build better tomorrows for all. We’re honoured to be consistently recognised as a great place to work by Glassdoor and being one of Fortune’s 100 Best Companies to Work For seven years running. Since opening our doors in London in 2014, and then the launch of our Manchester office in 2019, it’s been an unforgettable journey. What’s more, we’re at an exciting stage of our growth in the UK, and now Ireland, with our first...

AWS Data Engineer– Senior Consultant London or Manchester | Hybrid About us - Slalom Slalom is a purpose-led, global business and technology consulting company. From strategy to implementation, our approach is fiercely human. In eight countries and 53 markets, we deeply understand our customers—and their customers—to deliver practical, end-to-end solutions that drive meaningful impact. Backed by close partnerships with over 700 leading technology providers, our 10,000+ strong team helps people and organisations dream bigger, move faster, and build better tomorrows for all. We’re honoured to be consistently recognised as a great place to work, named one of the Fortune 100 Best Companies to Work For® from 2016 to 2024, and featured on Glassdoor’s Best Places to Work list from 2016 to 2023. We’ve also been recognised across the UK and Europe for wellbeing, inclusion, and consulting excellence. Since opening our doors in London in 2014, and then the launch of our...

About The Role Purpose Lead the design, development, and contribute to the architectural governance of data solutions across 7IM. This role combines hands-on technical leadership with strategic architectural oversight, ensuring that technology initiatives align with business goals and deliver robust, scalable, and secure solutions. You will guide both development and architecture teams, drive modernisation, and champion technical excellence. Responsibilities Lead, mentor, and motivate development teams to deliver high-quality software and data solutions. Contribute to the evolutionary architecture and roadmap, ensuring alignment with business strategy and objectives. Design, develop, test and release robust, scalable software solutions using modern technologies and best practices. Develop and maintain enterprise-wide data architecture models, processes and documentation. Ensure technical excellence, adherence to standards and minimisation of technical debt....

Meet DeepL DeepL is a global communications platform powered by Language AI. Since 2017, we’ve been on a mission to break down language barriers. Our human-sounding translations and intelligent writing suggestions are designed with enterprise security in mind. Today, they enable over 100,000 businesses to transform communications, reach new markets, and improve productivity. And, empower millions of individuals worldwide to make sense of the world and express their ideas. Our goal is to become the global leader in Language AI, building products that drive better communication, foster connections, and make a real-life impact. To achieve this, we need talented individuals like you to join our exciting journey. If you're ready to work with a dynamic team and build your career in the fast-moving AI space, DeepL is your next destination. What sets us apart What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that...