76 to 100 of 131 Software Engineering Jobs in the City of London

full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. You'll be using Python and AWS Cloud services on the backend. Adopt … datasets. Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: Demonstrated expertise as a Mid or Senior Software Engineer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency ...

Role: Senior Software Engineer/COBOL Developers/Engineers Work Location: London, Glasgow or Newcastle (Office based) Duration: 6 Months+ Our banking client is currently seeking a Senior Software Engineer/COBOL Developers with hands-on expertise in FIS Systematics to join a dynamic team. In this role … banking system migrations or upgrades. Familiarity with Agile methodologies. Experience working with global teams. Essential Experience: Client facing, Very Good Communicator Good coding and software development experience Committed to highest quality standards and delivery excellence Natural Leader ...

Senior Software Engineer – 3D Graphics/Computer Vision London preferred | Full-time | Visa sponsorship available The mission Work at a stealthy 3D/graphics startup that turns real‐world objects into production‐ready, photoreal assets for film, games and real‐time experiences. Think: high‐end material capture and photogrammetry … models and formats into production workflows. Take responsibility for Windows builds, packaging and release quality. What you bring 5+ years of modern C++ engineering in graphics, rendering or other high‐performance areas. Strong Python, used for real production tooling rather than scripts on the side. Solid 3D fundamentals: OpenGL ...

seeking a C++ Engineer to join their equities data team , helping scale the next generation of data-processing systems within a collaborative engineering leadership team. This role ideal for someone who thrives on solving deep engineering challenges in C++. The Role Development for the firm’s equities data … orchestration, data tooling, and process automation. Experience with large-scale financial or market data , particularly equities or other exchange-traded products. Familiarity with modern engineering practices — CI/CD, source control, automated testing, and containerised deployment. Excellent communication, organisational, and problem-solving skills. Contact: For further details ...

Data Infrastructure: Familiarity with the modern data stack, including time-series databases, object stores, and streaming frameworks like Apache Flink or Spark Streaming . Engineering Rigor: You write clean, testable, and reliable code. You understand that in this environment, a system failure can cost millions in seconds. Bonus … Engineering: Experience with model serving, feature stores, or integrating ML pipelines into live production systems is highly valued. (Note: Previous finance experience is not required). To be considered for this role and others like it apply directly, or sign up to Dex and we'll help find ...

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 ...

Product team, Infrastructure team, and QA team, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world, including ourselves. To be successful … this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should ...

Senior Software Engineer/OutsideIR35 Contract/Java/AI/LLM Title: Senior Software Engineer (Java/AI/LLM) Contract: 6months OutsideIR35 Location: London (hybrid) Pay: £(Apply online only)p/d Looking for senior software developer, to join a 6month contract with our client … established brand in the financial services sector. You would be joining a small team pioneering AI in their services. Senior Software Engineer/OutsideIR35 Contract/Java/AI/LLM Responsibilities Develop and maintain software applications using Java. Implement AI solutions to enhance software functionality. Collaborate ...

C++ Developer/Backend Software Engineer (Windows C/C++, C#) London to £70k FTC Are you a skilled C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. … C++ Developer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying ...

c. £300k Comp Package | Hybrid Working] Role Overview We’re working with a high-growth trading and digital-assets firm seeking a seasoned engineering leader to take ownership of their client-facing technology ecosystem. As the organisation expands into new markets and contends with evolving regulatory demands, this role … will spearhead the architecture and delivery of platforms that underpin client onboarding, reporting, data exchange, and compliance workflows. You’ll guide the engineering strategy for a suite of internal and external systems - including CRM tooling, realtime reporting pipelines, API integrations, client portals, and surveillance utilities - while coaching a small ...

Senior Software Engineer, Python, Django, ReactJS, JavaScript, PHP, Mainly Remote, Central London Senior Software Engineer (Python, Django, ReactJS) required to work for a fast growing and exciting business based in Central London. However, this role is mainly remote. We need an experienced Python Developer who is a good ...

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 Software Engineer (Java) London – 1 day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a seasoned individual contributor looking for a step up into a senior position within a high-performing team within the world of Banking/Payments? Are you passionate about … enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll be the focal point of a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with ...

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 ...

enable our partner teams across Sky and Comcast deliver customer-led sophisticated insights and analytics. What you'll do Design, build, test and maintain software to help integrate and orchestrate the movement of data between critical Data components. Deliver observable, reliable and secure software, adopting you build … team. Team overview Global OTT Technology Our team develops and supports market-leading video streaming services, underpinned by state-of-the-art engineering principles. We do this at huge scale: for over 50 million customers globally, spanning NBCUniversal Peacock in the US and Sky, NOW and SkyShowtime across Europe. ...

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 ...

Software Engineer – High-Performance Computing & Quant Tech HMx Labs – London (Hybrid), Permanent, ~£70k + benefits HMx Labs is a boutique consultancy focused on the messy, interesting intersection of high-performance computing, cloud, and quantitative finance . We help banks, hedge funds, and vendors design, build, and debug serious compute … platforms – from CPU/GPU clusters for risk calculations to low-latency analytics and large-scale simulations. We’re hiring a Software Engineer to work in the HPC side of the company. One day you might be talking to finance quants about risk workloads, the next you’re deep ...

Senior Software Engineer/Outside IR35 Contract/Java/AI/LLM Title: Senior Software Engineer AI First (Java/AI/LLM) Contract: 6 months Outside IR35 Location: London (hybrid) Pay: £500-£600 p/d Digital Transformation. Tiro are looking for senior software developer … with our client an established brand in the financial services sector. You would be joining a small team pioneering AI in their services. Senior Software Engineer/AI First, Outside IR35, Contract/Java/AI/LLM Responsibilities Develop and maintain software applications using Java. Implement ...

Title: Software Engineer in Test Company: Specialist Technology/eCommerce Platform Location: London – 2-3 days a week Salary: up to £60,000 + benefits Tech essentials : Javascript and either Cypress or Playwright Interview process: 3 stage interview process Why should you be interested in this opportunity ...

Senior Software Engineer/Developer (C# .Net) London onsite to £150k Join a global hedge fund specialising in sports trading as a Senior Software Engineer, working on high-performance, real-time trading systems. You'll own greenfield projects, partner directly with quants and strategy teams and build ...

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 ...

enhancement. Their patented DSP and AI models are already being used in mission-critical environments and they’re now looking to expand their embedded engineering team. They’re seeking an Embedded Software Engineer to help design and develop next-generation embedded audio solutions. In this role … work on the full lifecycle of embedded systems, developing secure and compliant firmware, and supporting the continued growth of an emerging engineering team. For this Embedded Software Engineer role, we’re looking for someone with: Strong commercial experience in embedded software development Experience with secure firmware ...

want to work on problems that actually matter. You will be building backend systems that support advanced AI research and deployment decisions. The software you work on influences how complex models are tested, understood, and monitored before they reach the real world. This is serious engineering … shape how new systems are designed and brought into production Collaborating closely with technical stakeholders to solve ambiguous problems Taking real ownership over the software you build Most of the work is Python, but this is not scripting. You will be designing systems that need to be correct, performant ...

system that can reason across millions of documents immediately. What You'll Do Architect the backbone of a revolutionary system Pioneer breakthrough Performance Engineering Lead technical innovation Engineer systems that transform an industry What They're Looking For 8+ years of Python Development experience, ideally experience in distributed systems … Deep systems architecture experience Performance Engineering experience Technical Leadership experience Track record of building systems that handle millions of operations with sub second response times Background with AI/ML platforms Regulated industry experience What's On Offer Competitive salary and a meaningful equity stake in a fast-growing ...

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 ...