26 to 50 of 187 Software Engineering Jobs in the City of London

offices (on average once per week), and were happy to discuss flexibility to make this work for you. We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team … engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs. You will be responsible ...

Software Engineer Were now on the lookout for a Software Engineer to support our UK Production Support team that is working on delivering high-quality support and solutions to clients. In your role as Software Engineer, youll work closely with internal teams and clients to resolve issues … local statutory requirements. Provide out-of-hours support to clients when required. Skills & Experience required to perform this post: 7+ years experience in software engineering and a solid understanding of the software development lifecycle (SDLC). Technical experience with OOAD, SOA, Java, J2EE, Spring, React.js, Node ...

ways of working, standards, and governance Drive coherence across the technology stack, ensuring architectural consistency across: Secure cloud and compute platforms Digital factory and software engineering approaches Enterprise and business systems Advise on strategic technology choices, including: Platform and tooling selection Cloud strategy and deployment models Where … Experience & Skills Required Senior experience in Enterprise Architecture or technology leadership roles Defence, aerospace, or similarly regulated sectors Secure cloud and enterprise compute environments Software engineering standards and development governance Digital delivery models (agile, waterfall, hybrid) Proven background in large, complex, highly regulated organisations Comfortable operating in secure ...

full model lifecycle: deployment, monitoring, evaluation, retraining. Partner with Product, Digital, Marketing, and Operations to shape high‐value use cases. Drive best‐practice engineering and MLOps standards. Requirements Strong experience in ML engineering, AI engineering, or applied data science. Proven track record deploying AI/ML solutions … into production. Expertise with ML frameworks (scikit‐learn, XGBoost, PyTorch, TensorFlow, LightGBM). Solid experience with LLMs, prompt engineering, RAG, and evaluation. Strong software engineering and MLOps skills (CI/CD, containers, monitoring, model registries). Background in personalisation, recommendation systems, optimisation, CRM/marketing analytics ...

Role Overview We are seeking an experienced Engineering Lead to drive technical excellence and lead a team of engineers in delivering high-quality solutions. The ideal candidate will have a strong background in software development, architecture, and team leadership, with a proven track record of managing complex projects. … engineers, fostering a culture of collaboration and innovation. Define technical strategy, architecture, and best practices for scalable and secure systems. Oversee end-to-end software development lifecycle, ensuring timely delivery and quality. Collaborate with product managers, designers, and stakeholders to align technical solutions with business goals. Conduct code reviews ...

Intelligence is on a mission to make AI safe and reliable for everyone. To help us achieve this, we're seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang, Typescript and Kubernetes experience . Python skills would also … senior contributor to the development and operation of our cutting-edge cloud-based platform. You should have a passion for both science and engineering, a proven ability to deliver production-ready solutions, and a collaborative spirit to work closely with our product and research teams. Note: the role ...

Staff Software Engineer Technical leadership | Azure Architecture | .NET | Angular | Platform Scale GTreasury is scaling its core SaaS platform - and we’re looking for a Staff Software Engineer to help lead that journey. This is a senior technical leadership role where you’ll combine deep hands-on engineering … What You’ll Lead Drive technical design across front-end, backend, and data layers Partner with architects and product leaders on platform evolution Set engineering standards and raise the technical bar Mentor senior and mid-level engineers Own production reliability in a “you build it, you run it” model ...

Senior Software Engineer – Data Engineering Contract duration:- 6 months initially (with extension available for the right person) Location:- London Hybrid working:3 days per week in office + 2 days WFH Rate: £600-inside IR35 Join our Data Engineering team at the heart of a quantitative investment … working with large scale messaging and downsampling solutions Strong academic record and a degree with high mathematical and computing content e.g. Computer Science, Mathematics, Engineering or Physics 5-7 years of professional experience in software engineering with Java as your primary language Proficient on Linux platforms ...

Hiring: Software Engineer (Founding Team) | AI-Driven Life Sciences Startup 💷 £70,000 - £95,000 + equity 🌍 London 🏢 Hybrid (3 days in the office) 👉 Unfortunately they can't sponsor visas We’re partnering with a VC-backed, early-stage, mission-driven startup that’s building an AI-enabled toxicology platform … help scientists move medicines from discovery to patients faster and more safely. Operating at the intersection of software engineering and life sciences , they’re tackling some of the hardest problems in drug development with elegant, scalable technology. As an early engineering hire, you’ll have a genuine ...

Java Software Engineer/Developer (Java AWS Spring Boot) London/WFH to £90k Are you a backend focussed Java technologist who enjoys building systems from scratch? You could be progressing your career at a global, prime broker that is replacing the legacy infrastructure used across capital markets with … today's complex global markets. The company is experiencing great success in the US and is expanding into the UK. As a Java Software Engineer you will join a small team responsible for building a brand new Futures Trading platform for the UK, primarily using Java with a focus ...

Software Engineer/Full Stack Developer (TypeScript Data ETL) London/WFH to £90k Are you a data savvy Software Engineer with full stack skills? You could be progressing your career in a senior, hands-on Software Engineer role at a scaling Fintech who have built … Salary to £90k Remote working Impactful role with complex challenges Great career growth opportunities as the company scales Your role: As a Software Engineer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive, creating systems that bring trading and billing ...

products into their existing workflows to drive high adoption and value. Move fast and iterate: Work in an agile environment where experimentation, pragmatic engineering, and rapid iteration are key to creating business value. Leverage modern tools and methods: Use contemporary ML frameworks, cloud platforms, and MLOps best practices … Communicate insights clearly: Distill complex technical findings into concise, actionable narratives for technical and business audiences alike. Keep learning and pushing boundaries: Expand your engineering toolkit across the full ML development lifecycle—from prototyping to deployment—and explore new architectures, tools, and approaches to solving complex, real-world problems. ...

Head of Mobile/Head of Mobile Engineering/Head of Mobile Technology/Mobile Technology Director/Head of Mobile Architecture Overview: Really excited to be sharing this outstanding opportunity, we've partnered with a leading UK FS/FinTech client, trusted by million's of users … help shape and deliver this transformation programme where you will play an absolutely critical role. You will be working closely with the Head of Engineering to shape modern Mobile and Web technology that will transform how people invest and manage their finances. There wont be any line management involved ...

collective success. Function as a key member of a self-organizing Agile team, engaging fully in Agile ceremonies. Maintain high coding standards and champion engineering best practices across the team. Promote transparency and knowledge sharing throughout the organization. Qualifications and skills required for the role: Essential Technical Expertise: Strong … Advocate for TDD, BDD, and test automation. Experience & Methodology: Proven experience working in Agile environments (Scrum/Kanban). Education: Degree in Computer Science, Software Engineering, or equivalent field. Personal Attributes: Strong interpersonal and communication skills (written and verbal). Analytical mindset with excellent problem-solving abilities. Proactive ...

technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role sits at the intersection of data engineering, full-stack development, and business engagement , working closely with stakeholders and external vendors to design and deliver robust, scalable technology solutions aligned … Design, build, and maintain reliable, scalable data pipelines supporting complex analytical and sustainability data workloads. Ensure data quality, governance, and robustness through modern data engineering practices, automated validation, monitoring, and testing. Own and evolve data models and system integrations across multiple platforms and third-party services. Deliver data analysis ...

Java Developer/Software Engineer (AWS React Full Stack) London/WFH to £80k Are you a technologist Java Developer looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start … also have a good appreciation of user interface/front end development using React or Tailwind CSS You have a strong knowledge of modern software engineering best practices including cloud native applications, microservices and CI/CD You are an advocate of AI and keen to explore ...

Senior Backend Software Engineer (Python) Blockchain/Web3 Remote £50-£80k An ambitious Web3 and blockchain-focused team working to create more equitable ownership and compensation models, particularly within gaming. They collaborate closely with leading Layer 1 protocols to deliver secure, scalable infrastructure and provide global economic opportunities through … blockchain technology. The Senior Software Engineer will build and maintain backend systems powering cutting-edge Web3 and gaming technologies. The role focuses on developing REST APIs using Python frameworks (such as Django or Flask) and integrating blockchain and Web3 game technologies as part of a small, agile, and highly ...

Senior Java Developer/Software Engineer (Java AWS Kafka) London/WFH to £140k Are you a Java technologist who enjoys building systems from scratch? You could be progressing your career, in a senior, impactful role at a global, cloud-native, prime broker that is replacing the legacy infrastructure … mission critical systems in collaboration with Product Managers to understand and define new features and coordinating with other developers with the goal of writing software as one. You'll be empowered to implement the latest tech, seeking continual improvement and can build a team around you, progressing ...

client) Duration -12 months (likely extension) Day Rate - Competitive Role Overview We are looking for an experienced .NET Developer to join a delivery-focused engineering team working on business-critical systems in a fast-paced London-based environment. The role will involve building, enhancing and supporting modern .NET applications … deliver high-quality features Write clean, testable and maintainable code following best practices Participate in code reviews and contribute to improving engineering standards Support production systems, including bug fixing and performance tuning Work within Agile/Scrum delivery teams Required Skills & Experience Strong commercial experience with C# and .NET ...

Quantitative Developer to join its London office. The successful candidate will work closely with quantitative researchers and traders to build, enhance, and support the software platforms that power systematic trading and research. This role combines strong software engineering with quantitative problem-solving in a fast-paced, collaborative … environment. Responsibilities Design, develop, and maintain high-performance software used in quantitative research and trading Collaborate with quantitative researchers to productionise models and research tools Build and maintain data pipelines for large-scale market and reference data Develop backtesting, simulation, and analytics frameworks Contribute to trading, execution, and risk ...

financial environment utilizing cutting edge technology with an excellent package and benefits. Candidates must come from a Linux Systems Administrators Background (as opposed to Software Engineering) and have recent Linux Administration experience and whilst not essential, previous Financial/Banking experience may be beneficial. Job Overview The position … development and ops teams; this includes, build Servers, virtual environments and CI/CD pipelines. Assist the Linux team with deployment and maintenance of software/operating system/hardware using systems and configuration management tools (Ansible, Terraform) Systems capacity planning; creating and maintaining a scalable system ...

other opportunities with top tech companies, where you can truly find work that matters! We are partnering with a rapidly growing, VC-backed AI Software Factory that is modernizing the world’s most critical physical industries. While much of the tech world focuses on social apps, this company … tasks, allowing you to focus on high-level architecture and complex integration challenges. It’s a chance to be at the forefront of how software engineering is evolving. What You’ll Do You will lead the implementation and delivery of backend services, integrations, and workflow logic that power ...

Fintech & Tech-for-Good | Typescript, React.js, Node.js, Next.js | Up to £110k | 3 days hybrid in London Strong proficiency in React, TypeScript & Node. Proven frontend engineering skills Experience working with Next.js, Express & PostgreSQL Experience in high pace early-stage businesses, with the ability to work end-to-end across … entire product development process, taking high ownership & accountability. A problem solving, product engineering mindset. Strong understanding of frontend & backend software engineering best practices Strong written & verbal communication skills. Nice to have: Experience in regulated environments (ideally fintech) Experience working with AI tooling Details for the Snr Full ...

growing rapidly, with over 500 colleagues across eight sites. We bring together Swedish heritage and British expertise to drive innovation in areas such as software engineering, underwater robotics, radars, AI, and armed forces training. Joining Saab in UK means contributing to the security and resilience of society while … Read more about us here . Key deliverables Create and implement comprehensive test strategies and test plans to ensure the quality and reliability of software products Define testing objectives, scope, scenarios, and criteria based on project requirements and specifications Ensure high quality documentation of test plans, test cases, test ...

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £950 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious ...