1 to 25 of 31 Permanent Senior Software Engineer Jobs in West London

Social network you want to login/join with: Senior Software Engineer (React, Node.js, AWS), south west london col-narrow-left Client: Oliver Bernard Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 06.06.2025 Expiry … Date: 21.07.2025 col-wide Job Description: Senior Software Engineer (React, Node.js, AWS) Location: Hybrid in London. Join a market-leading organisation revolutionising the data space. Work with a passionate technology team that values innovation, collaboration, and embracing new ideas and technologies. As a Senior Software Engineer, you will collaborate closely with Product and Design teams, taking full responsibility from conception to post-deployment. The company has experienced significant growth and seeks someone to contribute to expanding their brand. Essential skills include: Hands-on experience developing REST web services and APIs. Knowledge of deploying More ❯

Social network you want to login/join with: Senior Ai Software Engineer, south west london col-narrow-left Client: IC Resources Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 … col-wide Job Description: Senior Ai Software Engineer Location: Cambridge A global technology leader is seeking a talented Senior Ai Software Engineer to join its advanced AI Processor Software & Hardware Co-Design Lab in the UK. This is a rare chance to work … with top-tier teams developing the next generation of AI processor technology. About the Role As a Senior Ai Software Engineer, you will drive the design and implementation of compile-time and run-time optimisations for real-time AI applications on state-of-the-art AI processors. More ❯

Social network you want to login/join with: Senior Control Software Engineer, south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide … Job Description: Motor Control Software Engineer (senior/principal) Warwickshire, UK £65-75k + bonus + benefits (negotiable) This is a fantastic opportunity for an experienced software engineer to develop motor control software for a broad variety of customers across multiple e-mobility …/electric vehicle sectors. Based in Leamington Spa. Required : ESSENTIAL : Proven experience of developing software for traction motors used directly for e-mobility applications (land, sea or air - e.g. automotive electric vehicle EDU systems, drone propulsion, marine electric powertrains, etc) Experience of developing embedded software OR model based More ❯

Senior Software Engineer – Client Identity, South West London Client: Confidential Location: South West London, United Kingdom Job Category: Other EU work permit required: Yes Posted: 31.05.2025 Expiry Date: 15.07.2025 Job Description: Senior Software Engineer - Client Identity We are seeking a Senior Software Engineer to join a newly formed cybersecurity team based in Europe. This role is pivotal in shaping secure and seamless digital experiences for clients across the UK and Europe. As part of the Enterprise Security & Fraud (ES&F) organization, you will be at the forefront of protecting clients More ❯

Social network you want to login/join with: Senior Software Engineer - AI, Next.js - £110k, south west london col-narrow-left Client: Oliver Bernard Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 12 Posted: 06.06.2025 Expiry … Date: 21.07.2025 col-wide Job Description: Senior Software Engineer - AI, Next.js Fully Remote - Remote UK Our client is a forward-thinking AI start-up dedicated to building innovative software solutions powered by cutting-edge AI technologies. Their mission is to revolutionise the B2B software landscape … by integrating advanced Large Language Models (LLMs) into seamless, user-centric experiences. They are looking for talented Software Engineers to join their dynamic team and be part of the AI-driven transformation in the tech industry. About the Role As a Senior Software Engineer, you will More ❯

Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), south west london col-narrow-left Client: Net Talent Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted … 10.06.2025 Expiry Date: 25.07.2025 col-wide Job Description: Senior Software Engineer Full Remote as long as UK based We're looking for a Senior Software Engineer to join a fast-moving team building tools used by thousands of real-world users. You'll collaborate … and engage directly with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer More ❯

Social network you want to login/join with: Senior Software Engineer - AI Fintech Product Company - FULLY REMOTE IN UK - £120k - TypeScript/Python/React/AWS/GenAI, south west london col-narrow-left Client: Opus Recruitment Solutions Location: south west london, United Kingdom Job … 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis … excellence , innovation , and building something that genuinely helps users . They’re solving complex problems in the FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with More ❯

Social network you want to login/join with: Senior Software Engineer (C++, C), south west london col-narrow-left Client: Technical Futures Ltd Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 06.06.2025 Expiry … Date: 21.07.2025 col-wide Job Description: Commercially experienced Software Engineer with proven C++ development experience will design and develop software for the latest radar, security and surveillance systems. You’ll bring an Engineering related degree, Modern C++ design experience as well as good Linux and Scripting (Python … skills. Of particular interest is experience in the development of security/defence command and control software and using GIS (Geographic Information System) data. The successful Software Engineer will design and develop software across the company’s radar systems, including external radar control systems and interfaces More ❯

Social network you want to login/join with: Senior Software Engineer - Remote - Fintech - Up to £120k - Python, TypeScript, AWS, South West London Client: Opus Recruitment Solutions Location: South West London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 9 Posted: 06.06.2025 Expiry … Date: 21.07.2025 Job Description: I am exclusively supporting a FinTech Product Company that is currently hiring for 2 Senior Software Engineers to join their remote engineering team. They are profitable and already have their product (which I can expand on) used by a number of enterprise clients. They … are looking for a confident, experienced, and passionate Senior Software Engineer with a product mindset and a deep understanding of Software Engineering. Their approach is heavily driven by quality engineering and innovation, focusing on a product mindset centered around end users. The role is full-stack More ❯

Social network you want to login/join with: Senior Software Engineer - Avionics, south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide … scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full … of opportunities. Where you can make a difference. Where no two days are the same. About the job you’re considering Senior Software Engineer - Avionics (Stevenage/HYBRID) A brilliant opportunity to advance your career while working with cutting-edge technologies in the avionics domain as a More ❯

Senior Software Engineer – Embedded Signal Processing Location : Greenford, Ealing Dynamic (hybrid) working : 2 to 3 days per week Our client is a leader in the Defence and Security sector specialising in Maritime products. They're seeking a Senior Software Engineer – with experience in Embedded … position requires onsite presence 2 to 3 days per week, emphasising hands-on involvement with test rigs and embedded systems. Key Responsibilities include; Designing software solutions. Implementing and testing software in both Assembler and C, including unit and continuous integration testing. Implementing, integrating, and optimising sonar signal processing … tests. Integrating, analysing defects, and resolving issues to support verification teams. Peer reviewing design and code, fostering a culture of learning and feedback. Designing software architecture using UML and the Enterprise Architect tool. Estimating work and assisting in building work package backlogs to track progress. Progressing assigned stories and More ❯

Social network you want to login/join with: Senior Software Engineer (Gaming), south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide … Job Description: Position Summary Join our innovative software team, collaborating with graphic artists and game designers to craft cutting-edge video game software for both the UK and international gaming markets. This senior software engineer position is perfect for a seasoned professional with a strong … activities, including nights out and board game nights. Key Responsibilities: Take ownership of delivering game content and play a key role in enhancing the software team's overall performance. Develop software while adhering to coding standards, release procedures, and established processes. Follow a self-determined project plan to More ❯

Social network you want to login/join with: Senior Software Engineer – Quant Full Stack & Infrastructure (Team Lead), south west london col-narrow-left Client: Trireme Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted … 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: About the Role: We are seeking a highly experienced and versatile Senior Software Engineer with deep expertise across quantitative development, infrastructure engineering, and full-stack development, to join and lead a high-performance team. The ideal candidate thrives at … and infrastructure teams to deliver performant solutions. Maintain and optimize trading infrastructure (low-latency systems, data pipelines, monitoring, etc.). Manage a team of software engineers, mentor junior developers, and drive best practices across the stack. Ensure high code quality through code reviews, CI/CD, test automation, and More ❯

Social network you want to login/join with: Senior Software Engineer (hyperscale), south west london col-narrow-left Client: Oracle Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 07.06.2025 Expiry Date: 22.07.2025 col … choice for Oracle SaaS workloads, backs the API Gateway for serving customer applications, as well as supporting Data Science processing use cases. The Positions Senior Software Engineer As we expand and grow our team, we are seeking engineers with varying levels of experience. Those who are starting … passion for learning. Those who join us with more experience will have diverse skills across programming, networking, storage, internet protocols and operating systems. An engineer at any level can have significant technical and business impact. As a member of our diverse and skilled teams, you will have the opportunity More ❯

Social network you want to login/join with: Senior Regulatory Software Engineer, south west london col-narrow-left Client: Cititec Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 04.06.2025 Expiry Date: 19.07.2025 col … wide Job Description: Senior C# Software Engineer (Regulatory Reporting) - Commodities Trading - London - up to £800/day Cititec has partnered with a leading commodities trading firm seeking a Senior C# Software Engineer to join their dynamic, growing regulatory reporting function. In this role, you More ❯

Social network you want to login/join with: Senior C++ Software Engineer, south west london col-narrow-left Client: IT Search Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 7 Posted: 09.06.2025 col-wide Job … Description: Senior C++ Software Engineer Global FinTech Remote (NI & RoI) Permanent | Full-time Market based salary + bonus & excellent benefits package IT Search is proud to partner with a global FinTech leader expanding its UK engineering presence. We're looking for a Senior C++ Software Engineer to join a growing team focused on building and maintaining secure, high-throughput systems enabling real-time global payments. In this role, you’ll work on the design and development of core backend components in modern C++, collaborating with a high-calibre team to ensure performance, scalability More ❯

Social network you want to login/join with: Senior Software Engineer, south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job … Description: Senior Software Developer UK Remote An excellent opportunity awaits an experienced software developer with strong .NET and React skills to join a leading software company in a role offering strong technical variety, ongoing development opportunities, and involvement in genuinely interesting projects. This company builds innovative … software and data management systems that support critical decision-making in sectors such as environmental monitoring, infrastructure, and energy. In this role you'll join as a senior member of the development team, taking a hands-on role in the full lifecycle of a specialist management platform. You More ❯

Social network you want to login/join with: We are seeking an experienced and practicing Senior Software Engineer. We are now working in a hybrid way, with a mix of remote and office working. We strive to offer a great work-life balance - if you are looking … the risks associated with our dependency on global navigation satellite systems (such as GPS) that are vulnerable to natural and intentional interference. As a Senior Software Engineer, you’ll collaborate with prominent Scientists and Engineers to develop and implement innovative, production-ready software aligned with time … quality, and cost objectives. Key responsibilities: Collaborating with senior stakeholders to ensure software aligns with business strategy Working cross-functionally to gather project requirements, analyze feasibility, and provide technical recommendations Leading an Agile software development team, including reviewing work Conducting code reviews to ensure code quality, efficiency More ❯

Social network you want to login/join with: Senior Software Engineer .Net, Azure Contract, south west london col-narrow-left Client: Curated Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 10.06.2025 Expiry Date … months Curated is excited to be partnered with an InsurTech undergoing an exciting period of growth and seeking to hire, a number of talented, Senior Software Engineers from .Net Microsoft backgrounds. Part of a larger Insurance enterprise, this opportunity boasts the flexibility, and agility of a scale-up … .Net backgrounds who have worked in high-growth environments, not necessarily from InsurTech or related industries. What we’re looking for: 6+ years in Software Engineering, with a strong track record in building scalable, high-quality systems. Expertise in the modern .Net stack and Azure cloud technologies Proficient in More ❯

Social network you want to login/join with: Senior Java Software Engineer, south west london col-narrow-left Client: Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 7 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide … Job Description: Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to More ❯

Social network you want to login/join with: Senior Security Software Engineer, south west london col-narrow-left Client: Keysight Technologies Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 7 Posted: 06.06.2025 Expiry Date: 21.07.2025 … col-wide Job Description: About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated … software composition analysis and vulnerability discovery in firmware binaries and code bases. If you enjoy regularly being challenged and working on novel ideas to solve cybersecurity problems, please apply to join our team. About Keysight Keysight is on the forefront of technology innovation, delivering breakthroughs and trusted insights in More ❯

Senior Front End Software Engineer with a passion for code, architecture, best practise, and a huge believer in driving what quality engineering looks like required by Fintech success story. Working remotely (within UK only) with in person engineering get togethers monthly (London), we are looking for a … vastly experienced Front end (JavaScript) Senior Engineer (15+ years experience) who has a wealth of expertise (and war scares to prove). Tech stack is react/react native/typescript, modern applications, Node, AWS, Microservices, Next.JS etc etc but real key here is someone who relishes tackling More ❯

Social network you want to login/join with: Remote Senior Software Engineer - 34123, south west london col-narrow-left Client: Turing Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 31.05.2025 Expiry Date: 15.07.2025 … col-wide Job Description: About the project: We are building LLM evaluation and training datasets to train LLM to work on realistic software engineering problems. One of our approaches, in this project, is to build verifiable SWE tasks based on public repository histories in a synthetic approach with human … dataset coverage to different types of tasks in terms of programming language, difficulty level, and etc. About the Role: We are looking for experienced Software Engineers (Tech Lead level) who are familiar with high-quality public GitHub repositories and can contribute to this project. You should have experience working More ❯

Social network you want to login/join with: Senior/Staff Software Engineer, south west london col-narrow-left Client: trg.recruitment Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 04.06.2025 Expiry Date: 19.07.2025 … col-wide Job Description: Senior & Staff Software Engineers – TypeScript, AWS, Serverless | Backed by the UK’s Top Subscription Business We’re hiring Senior and Staff Engineers for one of the most exciting start-ups in the UK tech scene—backed by the UK’s most successful subscription More ❯

Social network you want to login/join with: Senior/Staff Software Engineer (AI/Compiler), south west london Company Overview Flux is pioneering a new class of AI accelerators called Optical Tensor Processing Units (OTPUs). We’ve already developed functioning prototypes and are now … scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t just about scaling models—it … s about rethinking how AI workloads are executed at speed and scale. You’ll lead the design and implementation of software systems that run distributed, low-latency inference across clusters. You’ll work closely with hardware and ML teams to optimise every layer of the stack—from model representation More ❯