1 to 25 of 267 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, JavaLondon (Hybrid)130,000-175,000 + benefits and 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 London (Hybrid)Consortia is working with a forward-thinking FinTech company seeking a Senior Software Engineer. This role is ideal for someone keen to remain hands-on while contributing to technical strategy. You'll work on high-impact projects, collaborate with cross … functional teams, and ensure the platform is both scalable and high-performing. This opportunity also offers excellent career progression.As a Senior Software Engineer, you will bring cloud-native expertise and play a crucial role in scaling the company’s platforms and products. You’ll be responsible ...

Senior Software Engineer, Quant trading – Python, JavaLondon (Hybrid)130,000-175,000 + benefits and 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/Architect – Fintech Quant Capital is urgently looking for a Senior Software Engineer/Architect to join our high-profile client. Our client is a pioneering analytical brokerage based in London. They use deep practitioner knowledge in financial markets and utilise … products that disrupt some of the biggest firms in the industry.We are looking for a team focused leader to join the team as a senior software engineer. The successful engineer will take ownership of designing, developing and maintaining solutions at an early stage and influence the trajectory ...

working with a scaling, mission-driven consumer app business to find a Senior Software Engineer to join a small, high-ownership engineering team. They're backed by a major international organisation, which means real stability and resource, but the team operates with full startup autonomy - moving fast … product is a consumer app used by hundreds of thousands of customers globally, and the engineering team deploys multiple times a day. As a Senior Software Engineer, you'll work comfortably across both backend and frontend, with a natural lean towards backend design and architecture. The team ...

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 C++ Software Engineer/Developer London/WFH to 80kDo you have strong backend C++ software development experience You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced … cyber threats, working alongside a team of friendly and supportive people and enjoying a host of perks and benefits. As a Senior C++ Software Engineer you'll develop high performance systems that sit at the heart of the platform, helping organisations automatically detect, analyse and neutralise attacks ...

Senior Software Engineer - iOSJoin us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of customers … logistics to resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers Deliveroo’s growth at scale.We’re looking for a Senior Software Engineer - iOS to join our London team. In this role, you’ll help us evolve our mobile architecture and deliver seamless ...

offices, we have earned superior financial strength ratings from each of the major rating agencies.General Reinsurance, London Branch is offering an opportunity for Senior Software Engineer.Context of the Role:We are seeking a highly skilled Senior Software Engineer with a strong background in building scalable … high-quality, and high-performance solutions on the Microsoft technology stack (.NET/Blazor/C#). As a Senior Software Engineer, you will be responsible for building and maintaining internal and external-facing web applications in collaboration with international and interdisciplinary teams. The IT team currently ...

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, Backend Services & APIsOffice based in Moorgate, LondonJoin Fortinet, a global cybersecurity pioneer with over two decades of excellence, as we continue to shape the future of cybersecurity and redefine the intersection of networking and security. At Fortinet, our mission is to safeguard people, devices … data everywhere. We are currently seeking an experienced Software Engineer to contribute to the success of our rapidly growing business. The FortiDLP platform collects millions of data points per second. We protect people and data anywhere, and innovative companies worldwide use FortiDLP for human-centric data loss protection. ...

Senior Software Engineer – Global FX Company Senior Software Engineer to join one of the fastest growing B2B Fintech in Europe that is providing real solutions for some of the biggest names in the industry around the way they navigate the currency market. You will … talented engineers to build industry-leading products within the FX Risk management domain for a billion-pound company.In this role you will be a senior member of the engineering team, and help to build tools which help to process transactions in the region of billions of pounds for high ...

000London AreaAre you interested in working in Tech for Good? Have you got experience working with Kotlin, or are keen to work with Kotlin? Senior Software Engineer – Clean Energy for EV Chargingð Up to 120k + bonus + shares + benefitsð Hybrid in London 2 days … accessible green energy for the charging of electric vehicles.Due to exciting projects in the pipeline, they are looking to grow their team with Senior Software Engineers who have experience in the following:Kotlin software development(They are also open to Core Java experience, as long ...

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 - London or EdinburghOne of the leading players in the UK and European Energy & Renewables tech sector is hiring for an AI-first Software Engineer to join its core product development team. As a part of this high performing and collaborative group … with the pace and purpose of a growing technology business, all while making a tangible impact on the energy transition. If you're a senior engineer ready to shape technology that genuinely matters, we'd love to hear from you.Please apply today with your most up-to-date ...

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 ...

Company DescriptionAt IFS, we're building the next generation of AI-native enterprise software, transforming how some of the world's largest organisations manage assets, operations and critical services. This is an opportunity to work at the forefront of modern AI engineering, building intelligent products that combine Large Language … shipping production AI applications. Candidates whose AI experience is limited to using tools such as ChatGPT, Claude, Cursor or GitHub Copilot to assist software development, without demonstrable experience building AI-powered products or systems, will not meet the requirements for this role.IFS is a billion-dollar revenue company with ...

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 ...

Turkey, UK, Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal.#VOIS #BeUnrivalled #CreateTheFutureAbout this RoleWe are seeking a Senior AI Software Engineer to build, test and operate production-grade software using AI-native engineering practices. This role is ideal … experienced software engineer who can translate technical designs, requirements and implementation plans into secure, reliable and maintainable software.Working in a cross-functional delivery team, the role combines hands-on software engineering with the responsible use of AI coding agents, automated development tooling and modern delivery practices. ...