201 to 225 of 279 Software Engineering Jobs in the City of London

partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly influence trading performance. Key Benefits Competitive salary with ...

Senior Software Engineer Node.js/AWS/React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer ...

Software Engineer Remote-first (UK) £70,000–£80,000 + equity About the Company They're a fast-growing company helping homeowners improve energy efficiency, reduce bills, and cut carbon footprints. Their platform manages complex home retrofit projects from assessment to installation, using data-driven tools and automation … scale effectively. The Role You’ll work closely with senior engineers and collaborate across product, delivery, and growth teams. This is a hands-on engineering role where you’ll build and improve the systems that power our operations, including our backend platform (Django + PostgreSQL), energy modelling systems ...

Software Engineer (Full Stack Engineer) – Join a scaling Start-Up 🚀 💰Up to £85,000 per annum 🏡Office based in Old Street, flexible with hybrid/remote working 💻TypeScript, Node.js, React.js, AWS, SQL We’re currently partnered with a scaling Start-Up who are looking for a Software Engineer … paced environment where you’ll be tackling complex challenges and working closely with a cross-functional team. What will you be doing as a Software Engineer (Full Stack Engineer): Join a growing team where you’ll own understanding of business problems, design, implementation and release of crucial features across ...

Software Engineer | Energy, EVs | London (Hybrid) A fast-growing energy tech startup on a mission to make clean energy the default. They’re building technology that actively balances the energy grid by shifting usage to cleaner, cheaper times - across EVs, home batteries, and heating systems using data and machine … expand internationally after becoming a top UK supplier High autonomy, real responsibility, and room to move fast Direct influence on both product and engineering culture 🚀 What they value Strong commercial instinct & proven value add throughout your experience Passion to learn & problem solve Strong OOP background- Python, GCP, React ...

Full Stack Software Engineer (AI Systems) London | Full-time | On-site (5 days/week) £130,000 - £150,000 + Equity Daily lunch & snacks provided Tech stack: Python · TypeScript · AI/Generative AI · Agentic Systems Build AI that actually does things I’m hiring a Full Stack Engineer … experience.. The company is valued at $1.5bn+, with a live, revenue-generating product and strong enterprise adoption. You’ll be joining the London engineering team at a moment of real momentum. What you’ll work on You’ll help design and build intelligent AI systems that don’t just ...

development, and accountability, empowering individuals to think creatively, challenge assumptions, and build systems that drive real performance impact. The Opportunity We are seeking a Software Engineer to join the firm’s Core Development team, which builds and supports the technology platform that powers the full trade lifecycle — from order … Systems (EMS). Strong proficiency in C# or Python, with advanced SQL and database design expertise. Hands-on experience with AWS, Snowflake, and modern software architecture. Solid grasp of data structures, concurrency, and memory management. Experience developing responsive, performant UIs using React, Angular, or Vue.js; familiarity with PowerBI ...

build custom architecture at the cost and speed of mass production — unlocking even the most complex sites. We’re currently seeking a Robotics Software Engineer to build the control software for electro-mechanical systems, develop tooling for data logging and analysis, implement low-level device drivers and create … simulation and validation workflows to support rapid prototyping and fast iteration. Responsibilities: Designing and implementing control software for electro-mechanical and robotic systems; Developing tooling for data logging, analysis, and system performance insights; Building and maintaining device drivers for fieldbus interfaces (EtherCAT, CAN); Creating simulation environments for system behaviour ...

Founding Engineer/Lead Software Engineer/Senior Software Engineer London (Hybrid) Full-time Salary - £80,000 - £120,000 + Equity We’re looking for a Founding Engineer to help build the foundations of a new product tackling complex infrastructure and AI behaviour challenges. This is an early … take real ownership in a small, fast-moving team working on hard technical problems with meaningful impact. You’ll be working across backend engineering, system design, and building production-ready infrastructure from scratch. If you enjoy autonomy, moving quickly, and shaping both product and engineering direction ...

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title … Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This ...

Title: Software Engineer in Test Company: Specialist Technology/eCommerce Platform Location: West London – 3 days a week (flexible) Salary: up to £60,000 + benefits Tech essentials : JS/TS and either Cypress or Playwright Interview process: 3 stage interview process Why should you be interested in this ...

looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript ...

next generation of AI models to assist artist workflows. See the result yourself Passcode: scaneverything About the role ✨ We are looking for a Senior Software Engineer to own the 3D asset processing and rendering infrastructure in Marso Measure, our desktop material capture application for Windows. You'll work across … that will enable new ways to create physically realistic content - at high fidelity and scale. You will be a central part of the core engineering team at a scaling start-up that is re-imagining how content is created for photo-real AAA games and real-time experiences. This ...

database Collaborate closely with the CEO and other Full Stack Engineers on high-impact projects Technical Requirements 2–3 years of back-end engineering experience, ideally in a startup environment Strong knowledge of Python and Flask Proficiency with SQL and Postgres Experience with AWS services (migration experience ...

technical talent partner for one of London’s most exciting early-stage mobility companies. We’re now searching for a Graduate/Junior Embedded Software Engineer to join their engineering team as they build cutting-edge IoT and vehicle-integrated technology. This organisation is already working with some … experienced embedded engineers, and contribute to technology shaping the future of urban transport and connected systems. The Opportunity As a Graduate/Junior Embedded Software Engineer, you’ll join a small, highly technical team working on real embedded engineering challenges from day one. You’ll receive strong mentorship ...

trajectory is ambitious, from zero to seven figures in recurring revenue within its first year and this is only the beginning. As a Software Engineer, you’ll join a small, high calibre team where ownership is everything. You’ll work primarily on the backend, integrating with LLMs, and collaborating … next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working ...

Software Engineer – AI Startup – Up to 85k 🚀🧠 💰 Salary: £50,000 - £85,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) Our y-combinator backend client are building an elite engineering team … world problems with the latest in AI and LLMs, this role is for you. In this role, you’ll: 🔧 Build and ship high-impact software 🧠 Work on AI/LLM-powered automation tools used in production 🏗️ Help shape scalable systems and infrastructure 🌍 Work collectively across teams to push ...

Full Stack Software Engineer Java React Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank Role details Title … Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £70-85,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily React focused with a java base This ...

Principal Embedded Software Engineer – AI Systems | London | Work direct with customers! Join a fast-moving team solving some of the hardest problems in applied AI. This company builds technology for real-world impact... systems that operate in extreme environments, support mission-critical operations, and push the limits of what … embedded intelligence can do. They’re looking for a Principal Embedded Software Engineer who thrives on deep technical challenges, works confidently across low-level software and hardware boundaries, and is motivated by seeing their work deployed in demanding, real-world conditions. This is a role for an engineer ...

technically adept Support & DevOps Engineer to maintain and enhance our production trading environment. This unique hybrid role blends BAU support responsibilities with advanced DevOps engineering tasks, ensuring robust operational efficiency and technical excellence. The successful candidate will provide real-time operational support, build next-generation reconciliation tools for trade … Provide support for production environment issues, promptly diagnosing and resolving problems, both offline and in real-time. Communicate effectively with internal customers and senior software engineers to resolve and escalate issues clearly and efficiently. Design, develop, and maintain advanced reconciliation applications to ensure consistency across digital and traditional finance ...

Software Engineer (Full-stack) About us Our mission is to empower every engineer with AI they can trust. A.Engineer is an agentic AI system that automates civil engineering calculations, visualisations, and reporting. It helps engineers save time, reduce errors, and focus on what matters most: building a sustainable … humble yet hungry people, and accelerating change in high-impact domain, then this is the place for you. The role As a Full-stack Software Engineer at A.Engineer you will build, test and ship state-of-the-art AI products, which are empowering engineers all over the world ...

Lead Software Engineer (Kotlin) ?? £110,000 - £130,000 + bonus + excellent Benefits ?? Hybrid - 3 days onsite in Central London (Zone 1) Want to manage a team that builds tech accelerating the move to clean, affordable energy? Enjoy being hands-on and thrive in fast-growing, product-led environments … Join a high-calibre engineering team building modern, customer-facing and energy-focused systems in one of the UK's most exciting clean tech companies. As the Technical Lead, you will manage a small pod while remaining hands-on with day-to-day coding. You'll spearhead the design ...

hiring a Senior Software Engineer to help build and scale a next-generation agentic data analytics platform used by medium to enterprise teams. Business data is critical - but getting answers from it is still slow, complex, and overly technical. We’re building an AI-native platform that lets anyone … natural-language questions of their business data and receive precise, secure answers in seconds . This is an opportunity to join a high-calibre engineering team , working at the intersection of distributed systems, data infrastructure, and applied AI . This role will be in the office in a Central ...

working with a rapidly growing Series A startup backed by top-tier VCs who are seeking highly skilled Software Engineer with deep expertise in backend development. This company is revolutionising how software is built and deployed and is at the forefront of AI-powered automation - they're creating … innovative solutions that fundamentally change the development process. As a Senior Engineer, you'll be at the intersection of traditional engineering excellence and cutting-edge AI-assisted development. You'll build production-ready systems, working with automation-generated code and evolving it into robust, scalable solutions. This organisation ...

partnering exclusively with one of London’s most prestigious trading powerhouses to hire a standout Front-End Software Engineer — someone who lives and breathes elegant UI engineering and wants to build products that matter at millisecond scale. This is your chance to work at the core of high … Build mission-critical tools that influence real-time trading decisions Work shoulder-to-shoulder with brilliant engineers and front-office teams Enjoy a flat, engineering-led culture with rapid iteration and true ownership Gain access to cutting-edge tooling, full autonomy — and compensation that reflects elite performance Compensation: £120k ...