226 to 250 of 279 Software Engineering Jobs in the City of London

Senior Software Engineer | Climate Tech | London (Hybrid) A climate tech startup building tools that make clean energy the default choice is looking for engineers who enjoy deep technical challenges and want their work to create real-world impact. Their platform helps stabilise the grid by shifting energy usage … projects that touch millions of households Enjoy autonomy, trust, and a fast-moving environment Play a key role in shaping the product and engineering culture 🚀 What they value: Curiosity and a drive to learn quickly Genuine interest in clean energy and climate solutions Team players who are comfortable with ...

Java Software Development Engineer in Test - FinTech - Java Remote (UK) | £80 - 90k Our client a cutting-edge fintech business is looking for a Software Development Engineer in Test (Java SDET) to strengthen their automated testing framework and drive software quality to the highest standards. This … testing to uncover edge cases and ensure robustness Pair with developers to enhance testing infrastructure for continuous delivery Proactively identify areas for improvement in software quality Essential Experience: Strong Object-Oriented Programming in Java (ideally Core Java) Proven background as an SDET Component testing, end-to-end testing & failure ...

Embedded Linux Software Engineer (Medical Devices & Custom Computing Systems) Are you passionate about building software that powers life-saving technology? Join a multidisciplinary team working on cutting-edge medical devices and custom computing platforms for hospital operating rooms. What You’ll Do Collaborate with diverse technical teams (application … software, embedded systems, computer vision, cloud platforms). Develop and productize custom computing and medical-grade devices. Work closely with hardware teams to build and maintain compatible kernels and drivers. Architect, develop, test, and debug system services and hardware-dependent applications. Lead code reviews for embedded software ...

C++ Software Engineer/Developer (Windows C/C++, C#) London to £70k FTC Are you a skilled C++ Software Engineer looking for a new opportunity? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range … perks and benefits. As a C++ Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivi click apply for full job details ...

strong track record and a research-driven culture, they continue to scale aggressively across trading and technology. They are now looking for a Software Engineer to join a high-impact derivatives team responsible for the accuracy, automation and reliability of all futures and options lifecycle processes across the firm. … derivatives reference data and lifecycle workflows across global exchanges, directly supporting trading, operations and risk. The firm offers market-leading compensation and a collaborative engineering culture. ...

financial market, backed by top-tier investors (including Anthropic backers) and founders from MIT, Cambridge, Oxford. The role This is a greenfield platform engineering role with complete ownership over the core architecture. You'll design and build the systems powering real-time trading from the ground up, working directly ...

with Ruby on Rails, Turbo, AlpineJS, TailwindCSS, AWS, PostgreSQL Experience integrating with LLMs like OpenAI and Claude Strong understanding of scalable architecture and pragmatic software design Comfortable working in cross-functional teams with PMs, UX, and data specialists A product-first mindset with a focus on customer outcomes Passion ...

Startup - Backend Python Engineer A pair of second time founders who have already built and exited successful ventures are assembling a new elite engineering team for their next AI startup! They have secured top tier backing (8 figures!), built early traction with thousands of users and are now searching … foundations from day zero Work directly with the founders on product strategy and technical direction Move fast in an iterative environment while maintaining high engineering quality Shape backend engineering culture, tooling and processes for a rapidly scaling product 🛠️ Tech Environment Python with FastAPI PostgreSQL Event driven backend services ...

Development team that designs and maintains cutting-edge trading platforms. You will be responsible for optimizing trading engines, developing custom hardware solutions, and leveraging software, hardware engineering, data science, and research to build critical tools and infrastructure. As a C++ Software Engineer, your role will involve designing ...

travel to London) Contract: Permanent Reporting to: QA Automation Lead The Role We’re looking for a QA Automation Engineer to join our growing engineering function and help shape a high-quality, automation-first testing culture. You’ll work closely with fellow QA Automation Engineers, Software Engineers … Writing high-quality automated tests to support ongoing and future projects Automating UI, API, performance, accessibility, and cross-browser test coverage Working closely with engineering teams during development to identify defects early Analysing test execution results and defects, ensuring appropriate regression coverage Reviewing QA and engineering code before ...

Company Description Are you passionate about engineering? Do you want to make a difference? ALTEN is a global engineering and technology consultancy operating across over 30 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, and many more to deliver … innovative engineering solutions that drive technological click apply for full job details ...

features into user stories Document user stories along with acceptance tests Sprint planning and product backlog prioritization What they are looking for A Software Engineer qualification or equivalent qualification is mandatory. Experience within the lending or loans industry is highly advantageous. Illustrate design ideas using process flows, wireframes, mockups. … Knowledge of tools such as Balsamiq, Mockplus, MS Visio Fundamental knowledge of Agile and exposure in Agile software development environment/projects Knowledge of Analytics and data science domain is a plus Comfortable documenting user stories and having solutioning experience Strong business, analytical and problem-solving skills Strong verbal ...

platform and will be instrumental in shaping the future of the platform, alongside the established Hiring Manager and a dedicated team of developers and software engineers. The platform will be used by front-office quantitative researchers, structurers, and traders; the hire must have strong communication skills to best integrate … level opportunity. Responsibilities Contribute to the rebuild of a front-office QIS platform, integrating modern tooling and scalable architecture. Develop robust, maintainable software with strong versioning, caching, and execution environments. Collaborate with structurers, traders, and quant teams to deliver high-impact solutions. Build tooling to support market data access ...

exclusive opportunity for a Senior Derivatives UI Developer/Lead to join my thriving investment banking client as they are expanding their software development team who lead on derivatives projects Role details Title: Senior Derivatives UI Developer/Lead Employer: investment bank Permanent role salary … home working hybrid- 50/50% Requirements: Java, React, UI Skills, business knowledge in derivatives/risk and pricing We're looking for a Software Engineer for our front office suite of application supporting trading, marketing, trade analysis and research. You will be joining as the hands-on Senior ...

Software Engineer, you’ll be translating innovative research into high-performance, high-quality GPU compute solutions—playing a key role in delivering next-generation media technology to the market. Hybrid working, 3 days onsite and 2 days working from home. Key Skills & Qualifications: Degree in Electronics Engineering, Computer … including Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test ...

Software Engineer/Developer (Full Stack Java) London/WFH to £100k Are you Java technologist? You could be progressing your career in a hands-on, impactful, Software Engineer role, working on a 'tech for good' product that is helping to drive efficiencies for the NHS, the core ...

Software Engineer | Energy & Climate Tech | London (Hybrid) A fast-growing energy technology company is building the intelligence layer for a cleaner, more resilient power grid - and they’re looking for engineers who want their code to have measurable, real-world impact. The team is developing large-scale optimisation systems ...

Senior Software Engineer Location: London 1x a month Salary: £75,000 - £95,000 An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions click apply for full job details ...

Senior Software Engineer - AI Infrastructure We’re working with a hyper growth company. They are building the GPU infrastructure to the best ai labs and the biggest enterprise companies. They are building the solution that allows researches to focus on their models, while utilising the phenomenal scale and reliability … world best ai cloud platform. The engineering team is small, ambitious, and deeply technical, building the orchestration systems that keep thousands of GPUs running at peak performance across global data centres. This role sits at the heart of it, designing and scaling the systems that make AI at exascale ...

Flight Management Systems A global leader in travel and aviation technology is seeking a skilled C++ Engineer to join their Flight Management System (FMS) engineering team in London. This group builds mission-critical software used by airlines worldwide - powering real-time flight operations, route optimisation, and next-generation … ecosystem Required Skills Strong proficiency in C++ (C++11/14/17). Experience in multithreading, memory management, and performance optimization. Solid understanding of software development life cycle (SDLC) and best coding practices. Experience working with Linux-based development environments. Strong problem-solving and analytical skills with a passion ...

Senior Software Engineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification EVs, solar, batteries, heat pumps, smart devices all connected through a platform thats scaling fast ...

love working on tech making a positive impact in the world? Looking to be part of a collaborate, innovate team? ♻ Software Engineer - Renewable Energy for Car Charging ♻ 💰 Package: Up to £80k + bonus + equity 📍 Location: Hybrid in London (2x per week) We are very excited to be continuing … partnership on this exclusive position to join the company as a Kotlin Software Engineer from a JVM background. You will be joining a highly innovative scale-up leading at the forefront of the GreenTech industry, as they assist in the global transition towards sustainable living, by providing affordable access ...

tech-for-good space, and it’s about to scale fast. Backed by £1.3M in investment (and climbing) , they’re expanding their engineering team and are on the hunt for a Senior Developer to help shape the future of their platform. This is your chance to work where cutting … Strong experience with both Node.JS and React (ideally stronger on the backend side) Experience working on a 0-1 development cycle Experience with software design principles and architectural patterns. Ideally someone who has worked on a unique start-up environment and loves it! Additional Information: This role is paying ...

Senior Software Engineer (Kotlin) £85,000 - £95,000 + bonus + excellent Benefits Hybrid - 2 days onsite in Central London (Zone 1) Are you a JVM engineer curious about Kotlin - or already loving it? Want to solve complex problems that contribute to a greener, more sustainable world? Join … high-calibre engineering team building modern, customer-facing and energy-focused systems in one of th click apply for full job details ...

Senior Software Engineer (Node.js) ⚡ Hybrid – London, UK A well-funded energy AI startup are looking for a Senior Software Engineer to build the future of intelligent solar asset management. Work on a platform powering thousands of projects, automating monitoring, fault detection, reporting, and billing - all while driving … Scale infrastructure and improve reliability across AWS 🤖 Integrate AI/ML models and automate complex energy workflows 👥 Mentor engineers, lead code reviews, and shape engineering standards What We’re Looking For 🎯 5+ years backend development with Node.js/TypeScript 🎯 Strong async programming, REST/GraphQL, and PostgreSQL skills ...