1 to 25 of 74 Permanent Senior Software Engineer Jobs in London

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence/cyber security company Salary … plus clearance bonus London based organisation in an easily accessible location Permanent Software Engineer To apply please call 07704 152 640/0203 854 0120 or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading ...

Senior Software Engineer, Quant trading – Python, RUST, C++London (Hybrid)150,000-180,000 + 50k bonusQuant Capital is urgently looking for a Senior Software Engineer to join our high profile client.My client, a leading player in the global cryptoassets industry, is seeking a talented … Senior Software Engineer to join their dynamic team. This role will be instrumental in building and supporting a diverse technology stack, enabling my client to trade across multiple exchanges and regions with a wide range of strategies.As a Senior Software Engineer, you will work ...

Senior Software Engineer/Developer (Python AWS) London/WFH to £130k Are you a Python technologist with experience of Front Office trading environments? You could be progressing your career on the Asset Management side of a global Japanese bank as they expand this product offering within … UK. As a Senior Software Engineer, you'll design, develop and enhance high performance trading systems and cloud infrastructure that support critical front, middle and back office operations. Collaborating with stakeholders across the business, you'll translate complex requirements into scalable, resilient technology that drives efficiency ...

Senior Full Stack Product Engineer (.NET/AI) - SC Clearance Eligible We're looking for an experienced Senior Product Engineer/Senior Software Engineer to join a team building secure, modern software within a highly regulated environment. This role is ideal … engineer who combines strong full stack development skills with a product engineering mindset and has practical experience using AI to accelerate software development . You'll be working on sophisticated, security-focused platforms where resilience, scalability and secure engineering principles are paramount. Experience designing or enhancing highly secure ...

Senior Software Engineer - Node.js, Typescript & AWS | Financial Services Location: London | Hybrid - 1 day onsite ; Salary: £75,000 - £ 105,000 About the role: We're looking for a Senior Software Engineer to join our engineering team and build reliable, scalable technology supporting regulated investment … custody services. You'll work in a highly autonomous, cross-functional squad with genuine ownership across the full software lifecycle - from architecture and development through to production support and incident management. Required Skills: Strong commercial Node.js and TypeScript experience. Solid AWS and Serverless experience. Experience building distributed, resilient APIs. ...

Senior Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture … Contributing to architectural and technical decisions Improving resilience, observability and overall system reliability Working closely with engineers and technical stakeholders to deliver high-quality software Supporting infrastructure, deployment and continuous improvement The Technology You'll be working across a modern, cloud-native engineering environment including: Python | Java | GCP | Docker ...

Senior Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture … Contributing to architectural and technical decisions Improving resilience, observability and overall system reliability Working closely with engineers and technical stakeholders to deliver high-quality software Supporting infrastructure, deployment and continuous improvement The Technology You'll be working across a modern, cloud-native engineering environment including: Python | Java | GCP | Docker ...

Senior Software Engineer (Python/AWS) - SaaS & FinTech Location: London (Hybrid) Type: Full-time The Opportunity We're looking for an experienced Senior Software Engineer to join a collaborative, high-performing engineering team developing market-leading SaaS products used to analyse and visualise some … modern SaaS platform. You'll work alongside talented Python and TypeScript engineers, partnering closely with Product to design and deliver scalable, high-quality software that makes a real impact. If you're passionate about building cloud-native applications, embracing AI-assisted development tools and working in a collaborative environment ...

Senior Software Engineer (Cloud Infrastructure & DevOps) Location: London (Three days in office, two days wfh) Salary: £80,000 to £100,000 + Bonus My client is seeking a Senior Software Engineer to lead our cloud infrastructure and DevOps practices within the Developers' Team. They … DevOps expert Be one of the leaders in the migration toward microservices and ephemeral architecture Lead in infrastructure as code in sync with our Senior colleagues Establish and maintain CI/CD pipelines for the team's data and application projects, in particular for stg/prod Lead ...

Senior Software Engineer - Node.js, Typescript & AWS Financial Services Location: London Hybrid - 1 day onsite ; Salary: £75,000 - £ 105,000 About the role: We're looking for a Senior Software Engineer to join our engineering team and build reliable, scalable technology supporting regulated investment ...

Senior Software Engineer (Cloud Infrastructure & DevOps) Location: London (Three days in office, two days wfh) Salary: £80,000 to £100,000 + Bonus My client is seeking a Senior Software Engineer to lead our cloud infrastructure and DevOps practices within the Developers' Team. They ...

Senior Python Software Engineer Up to £120,000 London | Python | Java | Cloud | Real-Time Distributed Systems | Bonus & Excellent Benefits Are you an experienced backend engineer who enjoys solving complex technical challenges in high-performance, real-time environments? We're partnering with an innovative technology business that … investing heavily in its engineering capability as it continues to scale. They're looking for a Senior Software Engineer to join a collaborative team developing highly available, cloud-native platforms that process large volumes of real-time data. This is an opportunity to work on technically challenging ...

Senior Software Engineer. Do you thrive in a lively environment where your skills can shine? We're looking for an enthusiastic Software Engineer to join our innovative London based team. What You'll Do: As a Senior Software Engineer, you will play … projects and driving technology forward. Your expertise will make a real difference. Here's what you can expect: Design, develop, and maintain high-quality software solutions. Collaborate with cross-functional teams to define, design, and ship new features. Troubleshoot and debug applications, ensuring top-notch performance and reliability. Mentor ...

just the Best Place to Play — it’s also the Best Place to Work. We’re the company behind PlayStation, delivering cutting-edge hardware, software, and network services to players and game creators around the world.Our role is to create the technologies, tools, and experiences that help developers build … platform engineering, developer experience, and interactive entertainment, pushing the boundaries of play through high-quality SDKs, systems, and tools.Role overviewWe’re looking for a Senior Software Engineer to build the tools and automated systems we use to validate audio technologies in the PlayStation SDK.This role sits within ...

want to help define the future of finance Are you a strong software engineer who's passionate about data, distributed systems, and delivering impact at scale? Are you looking for a values-driven company that invests in its people and gives you the autonomy to shape critical systems … while staying close to the code We're looking for a Senior Software Engineer to join Elliptic's Product-Engineering organisation, focusing on data engineering solutions that power our blockchain analytics and intelligence products. This is a hands-on engineering role: as a senior member ...

Senior Robotics Software Engineer £65,000 - £90,000 DOE | Remote Company Overview Our client is building advanced AI and autonomy technologies that solve some of the most technically challenging problems in computer vision, robotics and machine learning. Role Overview We are seeking a Senior Robotics Software Engineer to develop, test and deploy software for autonomous and semi-autonomous robotic systems. Working across simulation, control systems, navigation and hardware integration, you will play a key role in delivering robust real-world solutions whilst helping establish engineering best practice across the robotics function. This role ...

Senior Software Engineer | Data Visualisation & Graphics | London London (Hybrid) Salary up to £200,000 + benefits Most engineers consume visualisation libraries. A small number build them. We’re working with a highly successful software company whose charting technology powers applications used by thousands of organisations worldwide … from global financial institutions to technology businesses and enterprise software providers. As adoption continues to grow, they’re looking for a software engineer to help build the rendering systems, charting components, and visualisation infrastructure that sit at the heart of the product. This is not a dashboard ...

annumLondon, England Permanent Senior Software Engineer (Product-Focused, FinTech)Join a fast-growing fintech building the infrastructure powering private market investing for wealth managers and financial institutions. The product tackles complex, data-heavy challenges behind the scenes to make investing more accessible and transparent.We're looking … product-minded Senior Engineer to help design and scale a modern platform, working closely with Product and Design to shape what gets built-not just how.What you'll doBuild and scale backend-leaning, full-stack systems in a product-driven teamPartner closely with Product & Design to shape solutions ...

diversity, equity and inclusion, giving associates a safe space to network, share ideas and create opportunities.Sound like the place for you? Join us!The Software Engineering team is hiring for a Senior C++ Software EngineerAs a Senior Software Engineer within our European business … best execute their strategies.Our team is small, so knowledge is shared and there are opportunities for everyone to make a real difference. As a senior member of the team, you’ll take ownership of features end-to-end and help develop those around you, keeping us on the track ...

about our mission and what we offer . We are expanding our Latam & Mea Payments Team and are looking for ambitious and highly skilled Senior Software Engineers to join the engineering team. You will lead the development of the critical integrations enabling money movement across the Latam … desire to take ownership and make a significant impact Autonomous team player able to work effectively with minimal supervision. Proven experience as a Senior Software Engineer, with a strong track record of delivering high-quality, scalable systems and a strong Product mindset Deep technical expertise in back ...

Senior Software Engineer (Backend/Full-Stack, AI-Native) About Us We're rethinking enterprise integration for developers and AI agents with a semantic layer: describe the data you need, and the platform gets it - fast, deterministic, secure, self-repairing, auditable, scalable. Already live with banks ...

Senior Software Engineer – Scala, Distributed Systems Location: UK, remote-first with occasional onsite. UK-based, UK data handling only. Engagement: Contract, outside IR35. Rate: circa £700/day depending on experience. Clearance: Current, portable NPPV3 is essential (SC alongside is a strong plus). We can only … multi-source data pipelines trustworthy, traceable and defensible. We have a growing pipeline of engagements in this space and are expanding our bench of senior, cleared engineers to draw on. This is a hands-on, lead engineering role: you shape the technical approach, set the standard for a small ...

Software Engineer – Lead/Senior (Backend)Ksubaka brings moments of joy to shoppers. We provide delightful bite-size gamified advertising on our network of in-store playSpots, with which shoppers can play for a minute or so, and in the process learn all about the advertising brand … store gamified advertising.Job briefYou will be at the heart of Ksubaka’s engineering team in London, leading a team designing and building the software platform that will allow for new experiences and support our future growth. You will be building high-quality, innovative and fully performing software using ...

leading technology organisation is seeking an experienced Senior Software Engineer to join a team responsible for developing and supporting critical software applications used to monitor, analyse, and optimise large-scale operational systems. This is an exciting opportunity for a hands-on engineer to work … tooling, and service assurance solutions that provide valuable insights into complex network environments. You will play a key role in designing, developing, and maintaining software that supports business-critical operations, working closely with engineering teams, product stakeholders, and operational users. The role combines software development, system integration, troubleshooting ...

world-leading Time & Frequency departmentis seeking a Senior Software Engineer with expertise in Unix/Linux software development and containerisation. This is an exceptional opportunity to join the global authority in precision timing at a defining moment for UK digital infrastructure. Backed by agovernment investment … leadership will help ensure they remain secure, reliable and robust even if global navigation satellite systems fail. Key Responsibilities: Provide technical leadership within the software team, setting and promoting best practice in software design, coding standards, security, testing and CI/CD pipelines. Design, develop and implement robust ...