Software Engineer - Integrations United Kingdom Jobs (Hybrid work)

Join our London team as a Senior Software Engineer. You will lead development on our PHP/MySQL/AWS platform, building scalable RESTful APIs and web applications. We value expertise in modern software engineering, CI/CD, and full-stack performance tuning. Enjoy a collaborative, supportive environm...

Join a leading investment firm as a Senior Software Engineer (Contract) on their high-scale Market Data Platform in London. You will design and optimize critical systems using Java and Python, handling billions of real-time data points daily. This high-impact role requires expertise in low-latenc...

Lead the technical vision as a Principal Software Engineer at Automata, shaping scalable, software-defined lab automation in London. You'll architect our core platform using Golang, Kubernetes, and distributed systems, with 12+ years of backend expertise. Mentor senior engineers, enjoy comprehens...

Join a groundbreaking UK Defence software acquisition programme in Glasgow. Utilize your software acquisition engineering expertise to deliver critical support solutions and programmable elements. Enjoy flexible working, a generous pension, and specialist training in this transformative role.

Join Microsoft's OneFuzz team in London as a Senior Software Engineer. Develop a scalable, cloud-based fuzzing platform using Python, C#, or Rust. Integrate security testing into CI/CD pipelines and advance fuzzing techniques. Collaborate on open-source innovation within a distributed systems env...

Join our London-based team as a Software Engineer to build AI-native developer tools in a fast-paced, high-trust environment. Leverage 5+ years of experience and cutting-edge AI coding tools to design, prototype, and scale innovative products. Enjoy benefits like 25 days holiday, health insurance...

Join Barclays as a Software Engineer in Northampton. Develop secure entitlement systems using Java 11+, Kafka, and Docker within a collaborative team. Enjoy benefits like private medical care and a competitive pension. Experience with Angular/React or MongoDB is a plus.

Join Intercom in London as a Forward Deployed Software Engineer. You'll work hands-on with strategic customers, bridging the gap between their needs and our AI product, Fin. This role requires strong engineering skills, SaaS experience, and a passion for AI/ML to drive real business outcomes. Enj...

Join Barclays as a Senior Software Engineer in Knutsford/Manchester. Design and develop high-quality Java/Spring Boot APIs, re-architecting key systems. Collaborate in agile teams, championing best practices and secure coding. Enjoy benefits like private medical care and a competitive pension.

Join Arm in Cambridge or Bristol as a Staff Embedded Software Engineer. Develop and maintain product-quality firmware for Arm Neoverse CSS infrastructure solutions. Utilize expert C programming skills with UEFI, ACPI, and bootloaders. Enjoy a role with customer support, defect management, and com...

Join our London team as a Senior Software Supply Chain Security Engineer. You will design and implement secure, cloud-centric solutions using AWS, Kubernetes, and Terraform. Champion DevSecOps practices and integrate security into CI/CD pipelines within an inclusive, flexible culture. Drive engin...

Lead the development of cutting-edge AI products at Citi's innovation hub in London. This role requires deep Golang expertise and hands-on Kubernetes experience to build scalable, high-performance platforms. You will pioneer Generative AI solutions while mentoring a talented engineering team. Enj...

Join a Cambridge-based quantum computing leader as a Senior Software Engineer. Develop cutting-edge cloud infrastructure using Python, AWS/Azure, and Terraform. Enjoy flexible work, equity, and collaborate with world-class innovators on revolutionary quantum AI and cybersecurity platforms.

Join our London team as a Senior Software Engineer. You will design technical architecture and lead complex projects in Scala/Python, shaping the SolstiCE platform. This role offers a bonus, private medical care, and 27 days' leave. Drive efficiency and automation for our Equity Derivatives busin...

Join Ledger's Cloud Wallet team in London as a Staff Software Engineer. Build robust, scalable backend services in Scala/TypeScript for crypto wallet management. Leverage functional programming to power blockchain-based products in a hybrid work environment with equity and comprehensive benefits.

Join our Cloud Wallet team in London as a Staff Backend Engineer. Build robust, scalable services in a polyglot environment using Scala and TypeScript. A passion for functional programming, blockchain technology, and teamwork is key. Enjoy equity, hybrid work, and comprehensive health benefits.

Join our Cloud Wallet team in London as a Staff Backend Engineer. Build robust, high-performance Scala services for crypto wallet management in a hybrid work environment. Leverage functional programming, optimize with CI/CD, and dive into blockchain protocols. Equity, comprehensive health insuran...

Join Citi's new GenAI Security team in Belfast as a Senior Software Engineer. Design and build a scalable security platform to protect AI applications from adversarial attacks. Leverage your expertise in Python/Go and secure APIs within a collaborative, cutting-edge environment. This role offers ...

Shape the future of global finance as a Software Engineer in London. Develop greenfield structured products using React, TypeScript, Kotlin, and Kafka within a microservices architecture. Embrace DevOps, CI/CD, and Agile practices while enjoying a hybrid model, bonus, and comprehensive benefits.