26 to 50 of 89 Software Engineer Jobs in the City of London

already embedded on platforms like Rightmove and Zoopla, reaching millions of homeowners per year. About The Role We're looking for a strong Software Engineer (full-stack) to join our product engineering team. You'll be someone who thinks of yourself as an engineer first, with deep … business operates day-to-day, so comfort with and curiosity about AI tooling is a must. What You'll Do as our new Software Engineer Build polished, responsive frontend experiences using Hotwire (Turbo & Stimulus) and Tailwind CSS Design and build full-stack features across our Rails application, from ...

Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most backend systems look fine on paper until they hit production. This role is about building services that actually work at scale, under real user demand. Why This Role Leading major media/streaming end client Real production impact ...

Backend Engineer 📍 London, England (Hybrid) 💼 Permanent My client is looking for a Backend Engineer to join a growing engineering team building modern, cloud-native products that directly impact customer experience and business growth. This is a hands-on role for someone who enjoys solving complex technical problems, collaborating … ownership and cares deeply about delivering quality solutions. You’re naturally curious about modern engineering practices and emerging technologies, particularly how AI is shaping software development, but you apply these tools thoughtfully and pragmatically. You’re comfortable operating in fast-paced environments and making sound decisions even when there ...

Software Engineer | Full Stack 🎯 Prop-tech startup tackling one of the UK’s most broken systems using AI-powered technology to drive real innovation.... watch this space🏡 The team is now looking to hire their 4th Engineer. They’re looking for someone who goes beyond simply executing tickets … takes the time to think critically about why and how things should be built. What they're looking for: 4-6 years experience in Software Engineering (with 2+ years ideally using Next.js + Node.js) AI-first mindset, you use Claude Code, Cursor, and similar tools as a matter ...

Embedded Software Engineer | UK (Hybrid) My client is an innovative technology company developing advanced hardware and networking solutions for high-performance computing environments. Theyre looking for Software Engineers to build embedded and host software for high-speed systems, working closely with hardware teams to deliver production … ready solutions from early prototypes. Responsibilities Define software architecture with cross-functional teams Develop embedded software for network interface hardware Linux PCIe driver development Build network control and monitoring tools (server/client) Enhance DevOps and CI/CD pipelines Requirements Strong embedded software development experience Experience ...

Embedded Software Engineer UK (Hybrid) My client is an innovative technology company developing advanced hardware and networking solutions for high-performance computing environments. Theyre looking for Software Engineers to build embedded and host software for high-speed systems, working closely with hardware teams to deliver production ...

Senior Software Engineer (Python) | Hybrid/London | £85,000 + Equity High-growth InsurTech modernising how underwriting and risk decisions are made. This is a key hire as the business scales its core platform, with backend engineering and AI-enabled workflows central to how the product evolves. ...

Senior Software Engineer (TypeScript/Python, FinTech, AI) London (Hybrid) £95,000 The Opportunity Join a high-growth, regulated fintech building next-generation infrastructure at the intersection of traditional finance and digital assets . The platform enables institutional clients to trade, tokenise, and manage real-world financial assets ...

Senior Software Engineer | ~£950/day Outside IR35 | 6-months initial contract | London Industry: Trading Location: London Job Type: Contract - 6-month initial Our client is building the next generation of execution and order management (EMS/OMS) infrastructure for global commodities trading. You will join a small … tightly integrated with risk, pricing, and market data systems to support high-performance trading environments. This is a senior, hands-on role for an engineer who wants end-to-end ownership — from low-level protocol integration through to distributed execution services and trader-facing tooling. What ...

build custom architecture at the cost and speed of mass production - unlocking even the most complex sites. We’re currently seeking a Principal Platform Software Engineer to join our team, focused on shaping the system architecture and delivering software that defines the mobility, manipulation, autonomy, and reliability … robotic systems. Responsibilities: Defining software architecture for robotic mobility, manipulation, autonomy, and platform tooling; Developing and maintaining production-grade software in Modern C++ and Python for embedded Linux environments; Designing APIs, abstractions, and reusable libraries that support reliable and scalable robotic systems; Building software for task ...

Lead Software Engineer Contract to Permanent Hybrid (London) Rates negotiable Most streaming platforms struggle to scale backend systems properly you’ve seen it. This role is about building the infrastructure that actually holds up under real-world production demand. Why This Role Leading major media/streaming ...

C++ Software Engineer – High-Frequency Trading A systematic trading firm of similar calibre to leading names in the space is seeking exceptional C++ Software Engineers to join its world-class engineering team. This is a hybrid position, open to candidates based in London or has the right … code for speed and reliability under production workloads Collaborate closely with traders, researchers, and fellow engineers to develop scalable infrastructure Work across the full software lifecycle in a fast-paced, agile environment Key Requirements: Strong proficiency in modern C++ (C++17 or later) Deep understanding of systems programming, multithreading, memory ...

Senior Software Engineer - London Harrington Starr are working alongside a unique financial trading technology firm who are seeking 10+ Senior Java Developers to join their Core Development team and build out low latency systems. You absolutely have to have is a demonstrable interest in technology, precision, and technical … successful candidate will have strong appreciation of Linux, common design patterns, and be a practitioner of TDD. For the role of the Senior Java Engineer you will need the following skills: Strong knowledge of Core Java development, ideally in a low latency/real time environment Strong appreciation ...

Principal Software Engineer 📍 London - Hybrid 💰 Up to £140k + bonus We're working with a profitable, engineering-led fintech that builds software used by investment firms to manage reporting, data, and client-facing outputs. Their platform underpins core workflows for their clients - handling complex, highly tailored requirements … stage of growth: evolving the existing system while building out new products alongside it. They’re looking for a Principal Engineer to take ownership of how that platform develops from here. This is a senior, hands-on position with real influence over both architecture and delivery. ...

Apache Kafka PostgreSQL Git/GitHub workflows Experience with Kubernetes deployments; able to build CI/CD pipelines About you (ideally): As a Senior Software Engineer/Platform Engineer you’ll be integral to our client facing delivery teams, working with clients to design and build their ...

Barrington James’s specialist Software & Electronics Division is currently searching for a Software Engineer on a full time permanent basis in West London, England. (This opportunity is hybrid with 3 days a week on site required) To be considered for this position: Essential : Hardware Integration, Python (NumPy … SciPy, Pandas, Matplotlib, Sklearn, PyTorch), Desirable : GUI (Tkinter, PySide), C++, Life Science experience (Optics, Lenses etc.) Responsibilities/Requirements • Develop and maintain Python-based software for scientific data processing, modelling, and analysis. • Design and build user-friendly interfaces and tools to support research and operational workflows. • Integrate software ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real … practice Contribute to modern engineering practices including CI/CD, testing, and monitoring What we’re looking for: 3–5 years of professional software engineering experience Strong Java development experience; Python experience or willingness to learn Ability to communicate clearly and work effectively in a team environment Background ...

Senior C# Engineer City of London (On-site) Permanent | £90,000 – £120,000 We’re 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 ...

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions … with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept ...

C++ Software Engineer | Proprietary Trading | Amsterdam Elevate Partners are partnered with a global leading prop trading firm currently seeking experienced C++ Software Engineers to join their high-performing technology team in Amsterdam. Technology sits at the core of the business, with proprietary systems driving millions of trading … join a highly collaborative engineering environment focused on building ultra-low latency, high-performance systems that directly impact trading performance. The engineering team develops software operating within the latency-critical layer of the firm’s trading infrastructure. This includes market connectivity, large-scale data handling, trading algorithms, execution systems ...

Principal Software Engineer — Privileged Access Management (PAM) Help build the backbone of secure cloud infrastructure. Our globally-renowned client looking for a senior engineer who thrives in complex distributed systems, loves owning problems end-to-end, and wants to build security-critical infrastructure that developers actually enjoy ...

Global Banking & Markets - Software Engineer - Vice President - London Job Description The Opportunity Goldman Sachs has embarked on one of its most ambitious engineering programs: the Consolidated Trade Ledger (CTL), a ground‐up reimagining of the front-to-back architecture that underpins every trade the firm executes. … assistants, you will govern multiple AI agents, rapidly comprehend large legacy codebases, generate and assess production‐quality code, and accelerate every phase of the software development lifecycle. Your Impact Drive a strategic transformation : Work alongside domain experts to understand existing production processes, challenge long‐held assumptions that ...

Senior AI Software Engineer London, Hybrid (2-3 days) Up to £145k + bonus Oliver Bernard are once again partnered with a high-growth AI deployment company operating at the forefront of enterprise AI. Backed by top-tier investors and AI labs, they’re already delivering production-grade … systems across finance, energy, and healthcare. This is a hands-on, client-facing role at the intersection of software engineering and AI. You’ll embed with teams, build AI-native workflows end-to-end, and shape how modern software gets delivered. Must haves: • 5+ years building and shipping ...

Bleeding edge quant hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. In this high performance computing team, you will be responsible for building automated software solutions which are used across the trading business. … expected the successful candidate will be an expert Python engineer with functional experience of how market connectivity works with the applications they are developing Strong colleague network within this environment to take your initial experience to an elite level. Ideally Computer Science Degree or similar discipline Good commercial experience ...

Microsoft Dynamics 365 F&O Software Engineer - Senior Consultant Salary: £70,000 - £80,000 pa + benefits, perks and healthcare options Job Type: Permanent - Hybrid Locations: London, Manchester, Glasgow, Woking, Birmingham, Newcastle, Telford, Liverpool Overview: Join a team delivering some of the most exciting and large-scale Microsoft ...