501 to 525 of 853 Software Engineering Jobs in the City of London

and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯

and digital identity. From automated onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product, and architecture – designing services, writing … mind – always Write and maintain automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding More ❯

team and are looking to speak with motivated individuals looking to build a successful career in recruitment! Our client are a highly successful global recruitment agency specialising in blockchain, software engineering and IT . But dont worry, you dont need prior knowledge as they will teach you all you need to know in their intensive learning and development … your earning potential, progress your career and be rewarded with additional incentives along the way. Why join? Uncapped commission structure up to 40% Investment in leading recruitment technology and software Vitality health insurance Discounted gym membership Shopping dashes Spin the wheel prizes Birthday off work - (if it falls on a weekend either the Monday or Friday off) 32 days More ❯

team and are looking to speak with motivated individuals looking to build a successful career in recruitment! Our client are a highly successful global recruitment agency specialising in blockchain, software engineering and IT . But dont worry, you dont need prior knowledge as they will teach you all you need to know in their intensive learning and development … your earning potential, progress your career and be rewarded with additional incentives along the way. Why join?: Uncapped commission structure up to 40% Investment in leading recruitment technology and software Vitality health insurance Discounted gym membership Shopping dashes Spin the wheel prizes Birthday off work - (if it falls on a weekend either the Monday or Friday off) 1 extra More ❯

Backend & Integrations Engineer – Fully Remote – AI-Powered SaaS Client Open to applicants from UK We're looking for a hands-on Backend Engineer to help shape a growing applications engineering function. If you're confident across Python APIs, integrations, and workflow orchestration—and excited by the potential of AI-assisted development—this could be a great fit. You’ll … work with automation-generated code, build connectors to external systems, and embed AI tooling into daily engineering workflows. This is a high-impact role in a fast-moving team solving real-world productivity challenges. Key Skills Python API integrations SQL Data modeling Sharepoint Webhooks AI-assisted development (Cursor, LLMs, guardrails) CI/CD, Docker, cloud exposure (Azure, AWS, GCP More ❯

for someone who thrives in a collaborative, product-driven environment and wants to shape the future of a platform used by global clients. What you’ll do as Senior Software Engineer: Lead the design and delivery of backend systems using C#, .NET, Azure, and CosmosDB Build robust APIs that power integrations across the platform Own system health and resilience … practices in DevOps, CI/CD, and security Collaborate with product, design, and customer teams to deliver impactful solutions Influence hiring and onboarding to help scale a high-performing engineering culture What experience you’ll bring: 5+ years building complex backend systems Deep expertise in C#, .NET, and cloud platforms (Azure preferred) Experience with microservices, serverless architecture, and secure … Excellent communication and leadership skills If you want to build tech that matters and lead with impact in a company that values innovation, trust, and ownership then this Senior Software Engineer role is your chance to make a real difference. ** Unfortunately, due to the volume of applications, not all submissions will receive feedback More ❯

for someone who thrives in a collaborative, product-driven environment and wants to shape the future of a platform used by global clients. What you’ll do as Senior Software Engineer: Lead the design and delivery of backend systems using C#, .NET, Azure, and CosmosDB Build robust APIs that power integrations across the platform Own system health and resilience … practices in DevOps, CI/CD, and security Collaborate with product, design, and customer teams to deliver impactful solutions Influence hiring and onboarding to help scale a high-performing engineering culture What experience you’ll bring: 5+ years building complex backend systems Deep expertise in C#, .NET, and cloud platforms (Azure preferred) Experience with microservices, serverless architecture, and secure … Excellent communication and leadership skills If you want to build tech that matters and lead with impact in a company that values innovation, trust, and ownership then this Senior Software Engineer role is your chance to make a real difference. ** Unfortunately, due to the volume of applications, not all submissions will receive feedback More ❯

that will define how humans and AI learn from each other — pioneering technology that is set to transform the way intelligent systems evolve. The Role We’re seeking Senior Software Engineers with a product builder mindset to help shape and scale a cutting-edge platform. You’ll work across a modern tech stack (Python, TypeScript, Vue.js, AWS/GCP … ll Do Build, ship, and support high-quality products in an agile, cloud-native environment. Collaborate with product, design, and data teams to solve complex, high-impact problems. Champion engineering excellence, continuous improvement, and innovation. Play a pivotal role in influencing the product’s direction and long-term success. What You Bring Deep understanding of modern web applications and More ❯

Backend Software Engineer Term: 6 Months Pay: £888 per day Inside IR35 Location: Kings Cross London Hybrid Our client see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes at reduced cost … skilled machine learning engineer to help us make this vision a reality. Competitive candidates will have a track record of writing and shipping quality, well-documented and well-tested software in the AI/ML industry. We are looking for candidates with experience in the field of Responsible AI, preferably for generative AI or language applications. In addition to … ML engineering and data science skills, ideal candidates will demonstrate a keen interest in ethical and safety aspects of using AI in drug discovery and the clinic. The Responsible AI team is built on the principles of ownership, accountability, continuous development, and collaboration. This fixed-term position is a unique opportunity to contribute to the development and evaluation of More ❯

Backend Software Engineer Term: 6 Months Pay: £888 per day Inside IR35 Location: Kings Cross London Hybrid Our client see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes at reduced cost … skilled machine learning engineer to help us make this vision a reality. Competitive candidates will have a track record of writing and shipping quality, well-documented and well-tested software in the AI/ML industry. We are looking for candidates with experience in the field of Responsible AI, preferably for generative AI or language applications. In addition to … ML engineering and data science skills, ideal candidates will demonstrate a keen interest in ethical and safety aspects of using AI in drug discovery and the clinic. The Responsible AI team is built on the principles of ownership, accountability, continuous development, and collaboration. This fixed-term position is a unique opportunity to contribute to the development and evaluation of More ❯

engineers, and other stakeholders to translate requirements into technical solutions Mentor Senior Engineers int he team What are we looking for: At least 7+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and More ❯

engineers, and other stakeholders to translate requirements into technical solutions Mentor Senior Engineers int he team What are we looking for: At least 7+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and More ❯

Staff Software Engineer – Platform – Own the strategy to support massive expansion Up to £170,000 plus benefits London Office – 4 days a week Golang, AWS/GCP, Kubernetes, Distributed Systems Staff Software Engineer - We’re working with a high-growth payments business that has disrupted the market to become a major player in Europe. With over … customers and billions processed annually, they are scaling rapidly — and now looking for an experienced Staff Software Engineer to join their Platform organisation. This is a senior technical leadership role, ideal for someone who enjoys working across multiple squads, setting technical strategy, and driving clarity in ambiguous problem spaces. The client is looking for an established Staff-level Software Engineer with both hands-on engineering expertise and the ability to influence at scale across an organisation. The Opportunity Shape the long-term technical direction of platform infrastructure. Lead cross-squad initiatives and empower teams to solve complex challenges. Drive innovation around cloud-native technologies and platform automation. Balance strategic vision with ~30% hands-on coding and design More ❯

Staff Software Engineer – AI/ML (London (Hybrid – 2 days per week in office) An opportunity to take on a high-impact, hands-on leadership role within a scaling global SaaS company that’s using AI to reinvent how internal business systems and data work together. As a Staff Software Engineer (AI/ML) , you’ll be the … technical lead for a newly formed AI Engineering function . You’ll build and scale AI-powered backend systems that connect enterprise data platforms (CRM, analytics, and communication tools) with large language models — creating intelligent tools and insights that enhance the way teams operate. What You’ll Do Lead the design, architecture, and implementation of internal AI/ML … deliver high-value AI applications. Mentor engineers and shape the company’s approach to internal AI enablement. What You’ll Bring 7+ years’ experience in backend or full-stack engineering, ideally within a SaaS or data-driven business. Strong knowledge of LLMs , prompt engineering, and fine-tuning approaches. Hands-on experience with AI/ML pipelines and vector More ❯

Staff Software Engineer – AI/ML (London (Hybrid – 2 days per week in office) An opportunity to take on a high-impact, hands-on leadership role within a scaling global SaaS company that’s using AI to reinvent how internal business systems and data work together. As a Staff Software Engineer (AI/ML) , you’ll be the … technical lead for a newly formed AI Engineering function . You’ll build and scale AI-powered backend systems that connect enterprise data platforms (CRM, analytics, and communication tools) with large language models — creating intelligent tools and insights that enhance the way teams operate. What You’ll Do Lead the design, architecture, and implementation of internal AI/ML … deliver high-value AI applications. Mentor engineers and shape the company’s approach to internal AI enablement. What You’ll Bring 7+ years’ experience in backend or full-stack engineering, ideally within a SaaS or data-driven business. Strong knowledge of LLMs , prompt engineering, and fine-tuning approaches. Hands-on experience with AI/ML pipelines and vector More ❯

fast-paced environment. The Role Youll be working with some of the most innovative tech companies in the UK and internationally helping them find top talent across areas like software engineering, cybersecurity, and data analytics. This is a full 360 recruitment position, meaning youll manage the entire process: sourcing candidates, winning clients, running interviews, negotiating offers and closing More ❯

rewarded. Established Reputation: Leverage our strong relationships and proven delivery track record in the buy-side tech market. High-Quality Mandates: Focus on strategic, senior-level technology hires across software engineering, quant technology, data, and infrastructure. What you’ll be doing: Delivering on live mandates for top-tier buy-side clients. Building and maintaining networks of senior technologists More ❯

rewarded. Established Reputation: Leverage our strong relationships and proven delivery track record in the buy-side tech market. High-Quality Mandates: Focus on strategic, senior-level technology hires across software engineering, quant technology, data, and infrastructure. What you’ll be doing: Delivering on live mandates for top-tier buy-side clients. Building and maintaining networks of senior technologists More ❯

direction. Manage and mentor partners in your industry to meet commercial targets. Guide and coach delivery teams across consulting, data, and technology disciplines, including: Data Management AI Cloud and Software Engineering QA and Automation Applications and Platform Integration Low-code and digital enablement What You’ll Bring Senior leadership experience in a technology or data-led consultancy. Experienced More ❯

direction. Manage and mentor partners in your industry to meet commercial targets. Guide and coach delivery teams across consulting, data, and technology disciplines, including: Data Management AI Cloud and Software Engineering QA and Automation Applications and Platform Integration Low-code and digital enablement What You’ll Bring Senior leadership experience in a technology or data-led consultancy. Experienced More ❯

foundation for future service innovation. Integration across diverse technologies ensures Sky's award-winning products remain intuitive, high-quality, and impactful. This role sits within the fast-paced Connectivity Software team, part of Sky Home Communications. We lead development on the RDK WAN Manager and Broadband Application Framework-key components of the open-source RDK-B platform used in … millions of broadband devices worldwide. As a Software Architect , you'll define the software component architecture for our connectivity products, ensuring robust, scalable design. You'll represent Sky in the RDK-B community, support continuous improvement, and collaborate with stakeholders across the business. A proactive mindset and commitment to quality are essential. You'll be part of a … to stay connected and enjoy what they love-anytime, anywhere. What you'll do Attend architecture calls to define user stories and document use cases in JIRA. Define clear software interfaces to external modules and outline end-to-end deployment scenarios. Contribute to feasibility assessments and delivery planning for proposed architectures. Define and document software component architecture to More ❯

foundation for future service innovation. Integration across diverse technologies ensures Sky's award-winning products remain intuitive, high-quality, and impactful. This role sits within the fast-paced Connectivity Software team, part of Sky Home Communications. We lead development on the RDK WAN Manager and Broadband Application Framework-key components of the open-source RDK-B platform used in … millions of broadband devices worldwide. As a Software Architect , you'll define the software component architecture for our connectivity products, ensuring robust, scalable design. You'll represent Sky in the RDK-B community, support continuous improvement, and collaborate with stakeholders across the business. A proactive mindset and commitment to quality are essential. You'll be part of a … to stay connected and enjoy what they love-anytime, anywhere. What you'll do Attend architecture calls to define user stories and document use cases in JIRA. Define clear software interfaces to external modules and outline end-to-end deployment scenarios. Contribute to feasibility assessments and delivery planning for proposed architectures. Define and document software component architecture to More ❯

Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior Software Engineer with extensive knowledge of building distributed systems? Looking to join a company who are solving genuine problems that disrupt an industry … real impact on projects? If so... I'm partnered with a very exciting Cloud scale-up who have received record Series A funding and are looking for innovative Senior Software Engineers to join their ambitious team! With a new VP of Engineering who has spent much of their career building out a world leading Cloud platform, the team … build out state-of-the-art, Greenfield code which can focus on being the worlds most accountable and sustainable cloud provider🌳 What they're looking for in a Senior Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, C/C++ or Java. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and More ❯

to help cutting-edge start-ups and scale-ups grow, while also partnering with household names like Ford, Gousto, and Rightmove. Build relationships with CTOs, AI experts, and senior software engineers from day one. Get one-on-one mentorship from industry leaders whove billed seven figures, and work toward a commission structure with no threshold! Whats in it for More ❯

Senior Software Engineer (Python/AWS) 📍 Location: London or Manchester 💼 Employment Type: Full-time, Permanent About the Role We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad-Tech systems. You’ll lead the delivery of cross-service features within a modern cloud … platform, making pragmatic architectural choices and setting high standards for engineering quality, reliability, and performance. You’ll play a key role in shaping technical direction, mentoring engineers, and ensuring the systems you build are secure, observable, and resilient. Key Responsibilities Lead complex delivery: Drive the end-to-end design and implementation of Python-based microservices and cloud-native solutions … hosted on AWS. Architect and optimise systems: Define service boundaries, data ownership, and failure-recovery patterns for scalable, high-availability systems. Raise engineering quality: Champion best practices for testing, observability, and security. Review critical PRs and guide technical decisions across the team. Operate and improve production systems: Monitor performance, reliability, and cost efficiency. Lead incident response and drive continuous More ❯