276 to 300 of 750 Software Engineering Jobs in the City of London

critical to meeting PRA/ECB regulatory requirements and aligning methodology across Bank and Securities entities. 💡 About Luxoft Luxoft, a DXC Technology Company, is a global digital strategy and software engineering firm delivering transformative solutions across financial services. With a presence in 44 cities across 21 countries , we combine engineering excellence with deep industry knowledge to help More ❯

critical to meeting PRA/ECB regulatory requirements and aligning methodology across Bank and Securities entities. 💡 About Luxoft Luxoft, a DXC Technology Company, is a global digital strategy and software engineering firm delivering transformative solutions across financial services. With a presence in 44 cities across 21 countries , we combine engineering excellence with deep industry knowledge to help More ❯

design, and present solutions that help organisations modernise and transform their applications. You will engage with clients at senior levels, advising on application modernisation, cloud-native platforms, and digital engineering , while playing a key role in winning and shaping high-value opportunities. Key Responsibilities Lead the pre-sales solutioning process, from discovery and scoping through to solution design, proposals … modernisation (for example, moving from 3-tier Java architectures or Oracle platforms to modern cloud-native platforms). Build propositions around cloud solutions (Azure, AWS, GCP) and AI-enabled software engineering (AI in coding, automation, testing). Collaborate with sales, architecture, and delivery teams to ensure solutions are technically sound, commercially viable, and clearly differentiated. Influence senior client … stakeholders, acting as a trusted advisor. Candidate Profile Proven experience as a Solution Architect in a consulting or pre-sales environment. Strong software development background (Java, Oracle, cloud-native). Hands-on experience in application modernisation and migrating clients from legacy estates to modern platforms. Broad cloud expertise across Azure, AWS, or GCP. Strong communication and presence, with the More ❯

partnering with a stealth-mode deep tech AI lab based in London that’s building foundation models from the ground up . This isn’t fine-tuning or prompt engineering, it’s genuine model pre-training, post-training, and large-scale systems research. The company secured substantial funding in early 2025 from top-tier institutional VCs and prominent angel … DeepSpeed, Megatron, FSDP, or similar . Understanding of distributed training, parallelism strategies , and scaling laws . Familiarity with post-training methods (RLHF, RLAIF, DPO, or alignment optimisation). Solid software engineering fundamentals - version control, CI/CD, and production-grade model deployment. Experience working in cloud-native or high-performance compute environments (AWS, GCP, Docker, Kubernetes). A More ❯

partnering with a stealth-mode deep tech AI lab based in London that’s building foundation models from the ground up . This isn’t fine-tuning or prompt engineering, it’s genuine model pre-training, post-training, and large-scale systems research. The company secured substantial funding in early 2025 from top-tier institutional VCs and prominent angel … DeepSpeed, Megatron, FSDP, or similar . Understanding of distributed training, parallelism strategies , and scaling laws . Familiarity with post-training methods (RLHF, RLAIF, DPO, or alignment optimisation). Solid software engineering fundamentals - version control, CI/CD, and production-grade model deployment. Experience working in cloud-native or high-performance compute environments (AWS, GCP, Docker, Kubernetes). A More ❯

science – scikit-learn, NumPy, matplotlib Relation database experience with data manipulation skills in SQL and large “Big Data” environments. Command knowledge in Python and API Development Excellent grasp of software Engineering practices – Object Orientated Programming, GIT, AWS) CI/CD practices NoSQL Databases Candidates must have security clearance - Ideally DV My client has just received a huge investment More ❯

science – scikit-learn, NumPy, matplotlib Relation database experience with data manipulation skills in SQL and large “Big Data” environments. Command knowledge in Python and API Development Excellent grasp of software Engineering practices – Object Orientated Programming, GIT, AWS) CI/CD practices NoSQL Databases Candidates must have security clearance - Ideally DV My client has just received a huge investment More ❯

experience: You should have at least 5+ years’ experience as a Front Office Engineer (buy-side, sell-side, or trading environment). Offer deep expertise in Python, with strong software engineering practices (version control, testing, CI/CD). Have a proven track record of building robust data pipelines in cloud-native environments (preferably AWS). Experience with More ❯

experience: You should have at least 5+ years’ experience as a Front Office Engineer (buy-side, sell-side, or trading environment). Offer deep expertise in Python, with strong software engineering practices (version control, testing, CI/CD). Have a proven track record of building robust data pipelines in cloud-native environments (preferably AWS). Experience with More ❯

are growing across multiple areas of the business, having just secured over £17mil in funding. As a Senior Frontend Developer, you will: Have 6+ years experience as a Frontend Software Engineer Experience developing with: React, Typescript, HTML, CSS A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of More ❯

to automate environment provisioning and configuration. Monitor, troubleshoot, and optimise systems performance, availability, and scalability. Implement and manage security, compliance, and backup processes in cloud environments. Collaborate closely with software engineers, QA, and product teams to streamline development workflows. Contribute to DevOps culture through continuous improvement, documentation, and knowledge sharing. Essential Skills & Experience Proven hands-on experience as a More ❯

to automate environment provisioning and configuration. Monitor, troubleshoot, and optimise systems performance, availability, and scalability. Implement and manage security, compliance, and backup processes in cloud environments. Collaborate closely with software engineers, QA, and product teams to streamline development workflows. Contribute to DevOps culture through continuous improvement, documentation, and knowledge sharing. Essential Skills & Experience Proven hands-on experience as a More ❯

Lead .NET Software Engineer | London | £95,000–£120,000 + Bonus + Hybrid Location: Central London (Hybrid: one a fortnight onsite) Salary: £95,000–£120,000 + performance bonus + excellent benefits Tech: .NET 8, C#, AWS, Microservices, REST APIs, SQL, CI/CD, Docker/Kubernetes The Opportunity We are partnering with a high-growth SaaS organisation in … Central London that is scaling its cloud-based platform and strengthening its engineering leadership. As part of this growth, they are seeking a Lead .NET Software Engineer to guide a talented team within a modern, high-performance engineering environment. This is an opportunity to lead from the front, owning architectural direction, driving technical excellence, and ensuring delivery … cloud-first, microservices-driven environment. You’ll be a hands-on leader, balancing coding, mentoring, and strategic influence across multiple teams and initiatives. The Role As a Lead .NET Software Engineer, you will combine hands-on technical expertise with leadership responsibilities, including: Designing and leading the development of scalable backend services using .NET 8 (C#) Architecting cloud-native microservices More ❯

Lead .NET Software Engineer | London | £95,000–£120,000 + Bonus + Hybrid Location: Central London (Hybrid: one a fortnight onsite) Salary: £95,000–£120,000 + performance bonus + excellent benefits Tech: .NET 8, C#, AWS, Microservices, REST APIs, SQL, CI/CD, Docker/Kubernetes The Opportunity We are partnering with a high-growth SaaS organisation in … Central London that is scaling its cloud-based platform and strengthening its engineering leadership. As part of this growth, they are seeking a Lead .NET Software Engineer to guide a talented team within a modern, high-performance engineering environment. This is an opportunity to lead from the front, owning architectural direction, driving technical excellence, and ensuring delivery … cloud-first, microservices-driven environment. You’ll be a hands-on leader, balancing coding, mentoring, and strategic influence across multiple teams and initiatives. The Role As a Lead .NET Software Engineer, you will combine hands-on technical expertise with leadership responsibilities, including: Designing and leading the development of scalable backend services using .NET 8 (C#) Architecting cloud-native microservices More ❯

Senior Software Engineer (TypeScript Full Stack) London/WFH to £100k Do you enjoy problem solving and working with a range of technologies including functional programming languages such as Elixir, using the right tool for the job? You could be progressing your career in a senior, hands-on Software Engineer role at a successful and profitable energy trading … per week) Vitality Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a Senior Software Engineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across the full development … educated in Computer Science or similar STEM discipline, having achieved a 2.1 or above from a Russel Group/Oxbridge or top 100 global university You are an experienced software engineer with a strong knowledge of best practices and Computer Science fundamentals and experience of delivering complex, data centric software You have advanced analytical and problem solving skills More ❯

Software Engineer – Hybrid (London or Cheltenham) – Up to £60k – Public Sector Data Consultancy 🚀 G.Digital are buzzing to be partnering with one of the UK’s fastest-growing Tech4Good consultancies – a team using data and technology to help government clients protect the UK across Cyber, National Security, and Law Enforcement. 🇬🇧 They’re looking for a Software Engineer who’s … excited to tackle complex technical challenges and build secure, scalable systems that really make an impact. 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure, or … to the nature of the work, you must be eligible for SC Clearance (British Citizen, resident in the UK for the last 5 years). If you’re a Software Engineer who wants to use tech for good and work on projects that truly matter – this one’s worth your attention. 🚀 Software Engineer – Hybrid (London or Cheltenham) – Up More ❯

Software Engineer – Hybrid (London or Cheltenham) – Up to £60k – Public Sector Data Consultancy 🚀 G.Digital are buzzing to be partnering with one of the UK’s fastest-growing Tech4Good consultancies – a team using data and technology to help government clients protect the UK across Cyber, National Security, and Law Enforcement. 🇬🇧 They’re looking for a Software Engineer who’s … excited to tackle complex technical challenges and build secure, scalable systems that really make an impact . 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure … to the nature of the work, you must be eligible for SC Clearance (British Citizen, resident in the UK for the last 5 years). If you’re a Software Engineer who wants to use tech for good and work on projects that truly matter – this one’s worth your attention. 🚀 Software Engineer – Hybrid (London or Cheltenham) – Up More ❯

design and deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead/Senior ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

design and deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

deliver cutting-edge Generative AI solutions. They have partnerships with renowned tech firms - adding commmercial value. They’re looking for Lead/Senior ML/AI Engineers with strong software engineering expertise who can deliver production-ready AI solutions and upskill others in a fast-paced, consultancy-driven environment. You'll be a senior in title, but operating … as a tech lead in a flat structure. What they’re after: 5+ years’ experience building enterprise-grade software (Python, microservices, distributed systems) Proven track record deploying LLM-based applications Clear evidence of Software skills (CI/CD etc.) Ability to lead small teams, own solutions end-to-end, and mentor engineers Strong communicator with experience working in More ❯

advancing the company’s AI capabilities. Staying at the forefront of AI innovation, applying new techniques to real-world problems. 🎯 What we’re looking for: 5+ years’ experience in software engineering, with hands-on delivery of production-grade solutions. Strong expertise in Python, data processing, and microservices . Experience with large-scale distributed systems and LLM applications. A … blend of hands-on engineering and leadership skills — able to both build and guide. Excellent communicator with the ability to engage both technical and non-technical audiences. A collaborative, innovative mindset with a passion for applied AI. 💰 Package & Benefits: Salary up to £135,000 . EMI share options — benefit directly from the company’s growth. 25 days holiday + More ❯

advancing the company’s AI capabilities. Staying at the forefront of AI innovation, applying new techniques to real-world problems. 🎯 What we’re looking for: 5+ years’ experience in software engineering, with hands-on delivery of production-grade solutions. Strong expertise in Python, data processing, and microservices . Experience with large-scale distributed systems and LLM applications. A … blend of hands-on engineering and leadership skills — able to both build and guide. Excellent communicator with the ability to engage both technical and non-technical audiences. A collaborative, innovative mindset with a passion for applied AI. 💰 Package & Benefits: Salary up to £135,000 . EMI share options — benefit directly from the company’s growth. 25 days holiday + More ❯

Full Stack Developer - London - Energy Trading - 140k RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for More ❯

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed More ❯