151 to 175 of 650 Software Engineering Jobs in the City of London

our second year, we have ambitious growth plans and are searching for the best and brightest minds from across tech and finance to help us achieve our aim. Senior Software Engineer We are seeking a highly experienced and results-oriented Senior Software Engineer to join our growing team. This is a critical role where you will contribute to … the team, identifying areas for improvement and driving innovation. Problem Solving: Tackle complex technical challenges and develop creative solutions. Shipping Products: Demonstrate a proven track record of successfully shipping software products to production. Requirements Extensive Software Engineering Experience: A minimum of 5+ years of professional software engineering experience, with a demonstrable track record of delivering … high-quality software products. Strong Python Skills: Excellent proficiency in Python programming. Focus on Code Quality: A deep understanding of software engineering principles and a passion for writing clean, well-tested, and maintainable code. Product Delivery Experience: Demonstrated experience of successfully taking software projects from conception to production. Be prepared to discuss specific examples during the More ❯

and user-friendly solutions that leverage the latest technologies to deliver exceptional results for both scale-ups and large companies. Our Technology Practice has 5 capabilities: IT Architecture Cloud Engineering Software Engineering Intelligent Process Automation Quality Management We’re hiring: Mid-Level Software Engineers (C#/.NET) | Join Valcon’s Growing Tech Team Another exciting project … win means we're looking to expand our engineering team, and this is your chance to join a consultancy that’s scaling fast and solving real-world challenges with smart, modern tech. At Valcon , we don’t just deliver, we build. And we’re now on the lookout for Mid-Level Software Engineers who are hands-on, collaborative … and passionate about writing clean, modern C# code. What you’ll be working with: We’re looking for developers with solid core engineering skills and a strong background in modern C# and .NET development , including: Core C# & .NET Skills Hands-on experience with C# (latest versions preferred) Deep knowledge of .NET Core/.NET 6/7/ More ❯

central office) This is a hands-on leadership role with significant influence across DevOps, architecture design, database integration, team management, and product direction. You will coordinate a rapidly growing engineering team and play a pivotal role in enabling scalable, high-performance solutions that support the firm’s mission. Key Responsibilities DevOps & Cloud Infrastructure Lead and manage DevOps operations across … deployment and automation platforms. Own CI/CD strategy and implementation, ensuring robust pipelines. Oversee and refine ETL processes to support real-time and batch data flows. System Architecture & Engineering Leadership Define and own system architecture strategy with a focus on resilience, scalability, and security. Promote platform modularity and orchestration using best practices in microservices, serverless frameworks, and containerisation. … Data Engineering & Database Coordination Design and manage integration strategies for both relational and non-relational databases. Guide platform schema design to support data analytics and AI/ML readiness. Product & Strategy Contribution Collaborate with product and business stakeholders to align technical decisions with strategic objectives. Act as a technical advisor on features like dynamic tracking, automated reporting, and AI More ❯

HL are looking for an experienced and talented Senior Software Engineering Manager to lead a Unified Client Experience (UCX) product development team in building market-leading solutions for our clients. This is an opportunity to join the UK's number one investment services company, managing over £149.7 billion in assets for more than 1.86 million UK investors. As … chance to make a genuine impact within one of the UK's most innovative and digitally focused businesses. What You'll Be Doing Lead and inspire a cross-functional engineering team (c.40 people across 6 squads) to deliver high-quality digital client experiences. Provide structured leadership that ensures consistent delivery, productivity, engagement, and team wellbeing. Foster a culture of … values and our regulated environment. Support the Head of Development to prepare for a next-generation replatforming of our core trading and customer systems. Recruit, develop, and retain top engineering talent, nurturing a high-performance culture with psychological safety at its core. Ensure best practices in agile delivery, DevOps, secure engineering, and operational support are upheld across the More ❯

Structures, High Frequency Trading, Tailwind, CSS, React Query, API, High performance UI Harrington Starr has partnered with an innovative Digital Currency Investment Platform Company that specialise in developing unique software systems for clients for invest into Digital Markets from Pensions, Investments and Fund Management. This is an exciting opportunity to join a small team within a large organisation and … ecosystem. This organisation are developing cutting edge web-systems, which are being used globally and are offering the opportunity for you to play a pivotal role within the full software development life cycle. We are looking for an experienced Trading Systems UI Developer with NodeJS, JavaScript, TypeScript and NodeJS and including cloud technologies. You will have a degree in … in Computer Science - Required A leader within their community and a specialist Development team already in place, due to recent success they are looking to further build out their Software Engineering team in their London Office. You will be working on cutting edge platforms for Trading and analytics for Digital Investments. If you feel you are ready to More ❯

Social network you want to login/join with: Senior Software Engineer - Golang, london (city of london) col-narrow-left Client: Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Role: Senior Backend Software Engineer - Golang Location … currently partnering with a global laser communications business. With technology acquired from Google, they are redefining how data moves across land, sea, air, space, and beyond. As a Backend Software Engineer, you will work on a powerful network orchestration platform designed for highly dynamic, global-scale connectivity systems. Your expertise in Golang will help shape a next-generation software … communication across satellites, aircraft, and other high-mobility platforms. What You’ll Do Design and develop highly scalable backend systems to support real-time, distributed networking Build and optimize software for cloud, on-prem, and hybrid deployments Work with Kubernetes, Docker, and cloud technologies (AWS, GCP, or Azure) Implement and optimize algorithms for network routing, resource allocation, and system More ❯

Job Title: GPU Software Engineer Hybrid: 3 days onsite, 2 days WFH Skills and Qualifications: - Experience working in video processing or similar high-performance applications. - Proficiency in developing software using Vulkan or other modern GPU APIs. - Extensive experience in creating C/C++ code from scratch and improving existing codebases. - Ability to independently and quickly learn new subjects … with the necessary depth and rigor for development tasks. - Capacity to prioritize development activities according to commercial priorities. - A degree in Electronics Engineering, Computer Science, or a related field. - Strong problem-solving skills that align with the strategic direction. - Enthusiasm for embracing new concepts, trust in innovators, and driving execution through self-motivation. Responsibilities: - Translate the high-level mathematical More ❯

Principal Front Office Developer - Trade Capture, Pricing, Risk, and STP You will be: Accountable for the successful software delivery from inception to deployment for the complete Front Office Derivatives Technology Stack Deliver key strategic business goals by identifying systems changes that support revenue generation and regulatory reporting for the Front Office businesses, focusing on Derivatives Markets Build the future … deliver on their individual responsibilities and ensure that the Front Office desks are fully supported with a global system architecture. Responsibilities: Design, develop, and maintain high-quality Java-based software components for trade capture, pricing, risk calculation, payments, settlements, and regulatory reporting Develop scalable and accurate solutions to meet the evolving needs of our business Be a part of … the global Level 3 support team, providing on-call support and responding to pager duty alerts Follow and improve established Software Development Life Cycle (SDLC) processes Automate tasks in the Continuous Integration/Continuous Delivery (CI/CD) pipeline to improve efficiency and reduce errors Qualifications: Bachelor's degree in Computer Science, Mathematics, Physics, Engineering, or a similar More ❯

Our client a London based Technology and Data Engineering leader have an opportunity in a high growth AI Lab for an ‘AI Engineering Researcher' A UK based 'Enterprise' Artificial Intelligence organisation, focussing on helping accelerate their clients journey towards becoming 'AI-Optimal' - starting with significantly enhancing its abilities in leveraging AI & machine intelligence to outperform traditional competition. The … firm builds upon its rapidly expanding research team of exceptional PhD computer scientists, software engineers, mathematicians & physicists, to use a unique multi-disciplinary approach to solving enterprise-AI problems. Principal Activities of role: Data Pipeline Development: • Design, develop, and maintain ETL processes to efficiently ingest data from various sources into data warehouses or data lakes. • Data Integration and Management … Azure). • Performance Optimization: Monitor, troubleshoot, and optimize data processing workflows to improve performance and reduce latency. Typical background: − Bachelor’s or Master’s degree in computer science/engineering/Math/Physics, plus one or more of the following: − Proficiency in programming languages such as Python, Java, or Scala. − Strong experience with SQL and database technologies (incl. More ❯

Job Title: GPU Software Engineer Location: London (City of London), United Kingdom Work Arrangement: Hybrid - 3 days onsite, 2 days WFH Client: microTECH Global LTD Job Category: Other EU Work Permit Required: Yes Job Views: 2 Posted Date: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Responsibilities: Translate high-level mathematical concepts into architected and developed C++ and/or GPU … experience in C/C++ development from scratch and codebase improvement. Ability to quickly learn new subjects with rigor. Capacity to prioritize according to commercial needs. Degree in Electronics Engineering, Computer Science, or related field. Strong problem-solving skills aligned with strategic goals. Enthusiasm for new concepts, trust in innovation, and self-motivation. #J-18808-Ljbffr More ❯

and user flows; however, you are not required or expected to have background in Machine Learning. This is a senior-level role, and we are looking to hire a software engineer with background in product design, UI/UX design, and with a strong sense of aesthetics. We would love to see your recent frontend works! If possible, please … for wireframes and ideation. We are highly confident in our backend API schemas and functionality. What we are looking for: Frontend development: 5+ years of industry experience in frontend engineering, developing and designing responsive web applications using TypeScript. Excellent knowledge of the frontend fundamentals: In-depth knowledge of the core technologies, including HTML5, CSS3, TypeScript and React. Design systems … an impact on day one. Competitive salary, equity and benefits package. 28 days + public holidays allowance. Opportunities for professional growth and progression with your career. Work on challenging engineering problems that have a real impact on the industry. Work with high-profile customers and technology partners. More ❯

of Click Travel, NexTravel and Albatross to the team. From TravelCare, to FlexiPerk and of course GreenPerk we are shaping the future of the industry. Are you a Senior Software Engineer with extensive programming experience? We’re not looking for stack experts. We’re looking for smart people who can bring in the best tools and processes to get … product team to design, architect and implement our product. TravelPerk is a next-generation platform to take the pain out of booking and managing business travel. As a Senior Software Engineer, this position involves: Product development in Python/Django and/or React of a travel-related web-based product Integrations between our product to 3rd party APIs … attention to a well-documented code, unit testing, and continuous integration Being able to mentor, coach, and train other colleagues as a domain expert Required skills and experience: "Product Engineering" mindset Pragmatism and obsession for simplicity, efficiency, and performance Extensive experience in similar roles building technically complex products in any web programming language An expert level at server-side More ❯

technical expertise to build products that we believe will reshape our space. Past ventures have been acquired for billions. This is your chance to help define our product and engineering direction from day one. You will ideally have: A BSc in Computer Science or STEM subject from a Russell Group University Commercial Frontend experience Proficiency in TypeScript (or JavaScript More ❯

pride themselves on a data driven approach trading, and is hugely influential on the PnL of the whole firm. Required: 2+ years commercial KDB+ development experience. Strong Computer Science, Engineering (or a related subject) background. Excellent communication skills. Nice to have: Experience with: SQL, React, Python, Rust, Javascript. Experience analysis financial data. Experience working in front office environments handling More ❯

Software Engineers - Up to £575 Inside IR35 1/2 days per week in London 6 Month + extensions Skillset requirement: Spring/Spring MVC, Springboot/Microservices API Dev (Sec/authentication) DB (Sql/mongo/oracle) DevOps (Jenkins, CI/CD, Gitlab Duo etc) ReactJS/Angular/Node.js. IOS, Android Banking/Financial Service Expereince More ❯

Software Engineers - Up to £575 Inside IR35 1/2 days per week in London 6 Month + extensions Skillset requirement: Spring/Spring MVC, Springboot/Microservices API Dev (Sec/authentication) DB (Sql/mongo/oracle) DevOps (Jenkins, CI/CD, Gitlab Duo etc) ReactJS/Angular/Node.js. IOS, Android Banking/Financial Service Expereince More ❯

Senior Software Engineer, Contract – B2B FinTech SaaS | Go & AWS | London (Hybrid) Company: Cloud Lending Solutions for Modern Finance A fast-scaling SaaS FinTech, streamlining SME lending for banks and alternative lenders. Looking for a Senior Software Engineer on a contract basis to support a major platform upgrade and help scale our event-driven architecture. Role details: Tech Stack More ❯

Golang Software Backend Engineer Fully Remote/UK Working Hours A couple of Golang Software Backend Engineers are required for an exciting and innovative Software house company based in London and Hong Kong. The company operates at the forefront of sports, entertainment, and cryptocurrency, and they are growing rapidly. The successful Software Backend Engineer will be … members, helping them grow both professionally and personally. Their development team uses various different programming languages with a particular focus on Golang but they are looking primarily for strong software developers first and experiences of technologies second. The company is made up of some of the very best software developers and mathematicians. Each brings their unique perspective from … their backgrounds in computer science, physics, mathematics, statistics and engineering. Essential Skills 7+ years commercial experience in software engineering. Demonstrable experience building high-quality and scalable digital products and features. Strong project management and communication skills with the ability to collaborate across cross-functional teams. Ability to confidently make technical decisions in the best interests of users and the More ❯

Job Title : Graduate Software Engineer – Elite Fintech Trading Firm (up to £100K + Bonus + Hybrid) Client : Elite Fintech Trading Firm Salary : Up to £100,000 + performance-based bonuses Location : London/Hybrid Roles and Responsibilities : We are partnering closely with a Elite Fintech Trading Firm who are looking for the best Graduate Software Engineer to join … client prides itself on maintaining cutting-edge technology and a progressive work environment. You'll be using next-gen tech and pushing it to the limits. As a Graduate Software Engineer, you will play a pivotal role in the firms operations, ensuring the smooth execution of pricing activities and optimising the efficiency of their processes. This position offers a … infrastructure teams in the financial sector. Key Requirements : Degree in Computer Science. Strong knowledge of python or C++. A brilliant understanding of Computer Science is essential. Proficiency in modern software development practices, including version control and agile development methodologies. Strong written and verbal communication skills, enabling effective collaboration and information sharing. Demonstrated enthusiasm for ongoing learning and a proactive More ❯

Principal/Senior UI Software Engineer - HTML5, React, Typescript, JS - Trading sought by leading financial services company based in the city of London. Proven experience as a senior/principal engineer in high-performance trading systems or similar domains. Demonstrable experience in HTML5, React 16/17+, Typescript4/5+, JavaScript UI Libraries such as Material UI or Ant More ❯

Software Engineer (TS, Next) - £80K - London 2-3 days p/week After achieving a £1m grant from Innovate UK, an impressive start-up that is transforming portfolio management, by streamlining data collection and enhancing collaboration between investors and their portfolio companies, are looking for a Fullstack Engineer to join their small but growing team of 13. The ideal … of UI/UX designs Participate in code reviews, pair programming, and collaborative development practices Troubleshoot and debug issues to improve performance and reliability Qualifications: Proven experience as a Software Engineer, particularly with NextJS (React), GraphQL, and TypeScript Strong understanding of web development principles and best practices. Familiarity with modern software development practices, including agile methodologies Excellent problem More ❯

Software Engineer - Early-Stage Start-up Join a well-funded, early-stage startup led by an impressive founding team . Work alongside five founding engineers and two accomplished Co-founders with a proven history of successful exits. Their product is already gaining traction and being used by some of the biggest names in tech. This role is ideal for … work from day one. Who You Are: Strong backend development experience (we're open to any OOP languages including C#, Java, Python, C++, Go, or similar). Comfortable shipping software at scale and working with cloud platforms (AWS, Azure, GCP). Thrive in a fast-moving startup environment. Motivated by solving real problems and seeing your work in action. More ❯

A brilliant opportunity for a Front-End Software Developer to join an incredibly exciting start-up in London, which is currently in stealth mode developing exciting technology in the security space. Joining a company founded by experts in their field, who have already realised success with other start-ups, this offers the chance to work in an environment filled … Central London, UK – hybrid working Salary: £45,000 - £70,000 per annum + equity in the business (£45k for Graduate Level, £55k - £60k for 2 years etc) Requirements for Software Developer Ideally, you will have least 1 year of front-end development experience but an exceptional graduate considered (i.e. 1st class degree from a top uni with A*A … technologies which would be beneficial: JavaScript, Vue, Node, Yarn, Kotlin, Swift Strong problem-solving ability Natural ability to quickly pick up and learn new technologies Responsibilities for Front-End Software Developer Design and refine user interfaces that are responsive, inclusive, efficient, and scalable. Enhance frontend systems, development tools, and workflows on an ongoing basis. Work closely with multidisciplinary teams More ❯

Join Our Software Engineer Talent Pool! Are you a skilled Software Engineer with 3+ years of Python experience? Based in London or within commutable distance? We’d love to hear from you. TrueNorth are building an incredible network of talented Engineers (backend or full-stack) for existing and upcoming opportunities with our clients, who operate across high-impact More ❯

Title: Software Engineer (Fullstack/Frontend leaning) Salary/Package: £80k-£90k + Equity Company Sector: Fintech (Sustainability) Tech: TypeScript, Node, React, Next, GraphQL Location: Central London (London Bridge/Bank) WFH/Hybrid: 2 days a week on site We're teaming up again! 🎉 Bounce is back partnering with one of our favourite customers — the same awesome fintech … crew we placed three top-notch software engineers with in 2024. Fast-forward to 2025: they’ve kicked things off strong and are growing again 🚀 We’ve known the CTO for ages — genuinely one of the good ones. They’re making waves in the fintech space, bridging the gap between financial and sustainability data. Their platform makes it way More ❯