126 to 150 of 279 Software Engineering Jobs in the City of London

systems. The ideal candidate comes from a world-class HPC environment—such as FAANG, research, or hyperscale infrastructure—and combines deep Linux expertise with software engineering skills. You’ll work on uniquely customized systems at scale, where every engineering decision impacts performance, reliability, and research productivity. Core … tools to enhance automation, reliability, and visibility. Strategic infrastructure initiatives shaping the next generation of compute systems. Team & Culture Tight-knit, high-performance HPC engineering team with direct ownership of critical systems. Daily collaboration with researchers, developers, and trading technologists. A culture emphasizing technical excellence, autonomy, and continuous learning. ...

similar STEM discipline, having achieved a 2.1 or above from a Russel Group/Oxbridge or top 100 global university You are an experienced software engineer with a strong knowledge of best practices and Computer Science fundamentals and experience of delivering complex, data centric software You have advanced ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like to be part … internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions for millions of users. ...

Engineer – Rapidly Growing AI Company I'm partnered with a fast-growing AI company that is scaling its engineering team and looking for AI Engineers who want to build next-generation intelligent systems used by major enterprises across the world. This is an outstanding opportunity for someone who loves … with product teams to iterate quickly and deliver meaningful outcomes What They’re Looking For We’re speaking to engineers who have: Essential Strong software engineering fundamentals (SDLC, testing, modern frameworks) Hands-on experience taking code from dev → production in cloud environments Interest or experience in agentic systems ...

This is the future of HL - and the future of investing. We're building the next generation of platform for one of the UK's largest financial services companies, trusted by over 1.8 million clients ...

Senior Java Developer – London (Hybrid: 2 Days Onsite) We’re partnering with a leading global organisation that is scaling its engineering function and looking for a Senior Java Developer to join their London team. If you’re passionate about building data-driven platforms, enjoy solving complex challenges, and want … role in requirements gathering and design workshops , contributing ideas and identifying gaps. Mentoring and pairing with junior developers to support team growth and best engineering practices. Implementing and optimising microservices and distributed systems using GCP technologies (GKE, PubSub, BigQuery, Dataflow). Designing and maintaining data processing pipelines across streaming ...

Senior Software Engineer | Hybrid | London We are hiring for an innovative analytics software company powering global credit investment is expanding its engineering team and looking for a Senior Software Engineer to help shape its next generation of data products. This is a unique opportunity to influence … financial institutions. The role involves building and scaling backend systems in Node.js and Python, deploying on AWS (Lambda, DynamoDB, PostgreSQL), and collaborating closely across engineering, product, and customer teams. 💼 Ideal Candidate: Proven experience with backend/fullstack development using Node.js , Python , and AWS serverless architecture Strong database design skills ...

unparalleled scale, reliability, and resilience. This is where you come in... They are looking for an exceptional C++ Engineer to join their most critical engineering group across the whole firm. This elite team of engineers is responsible for developing all of their on-exchange proprietary trading technology—the single … kind of engineer who knows what’s going on under the hood and thrives on working at the lowest levels of software engineering—borderline hardware. Your expertise includes some blend of modern C/C++ with the following: Operating systems (Linux Kernels) CPU architecture GPU programming Assembly Language ...

Senior Backend Software Engineer (Python) Web3 Hybrid (HQ: London) £90k - £150k Plexus has another great opportunity with a Senior Backend Engineer (Python) position. Youll play a pivotal role in designing and building robust, scalable backend systems that form the backbone of Web3-first products click apply for full ...

Senior Full Stack Engineer We are seeking a talented Senior Full Stack Software Engineer to join a leading global investment management firm in London. Paying up to 120k plus bonus per annum, you will contribute to the development, optimisation, and design of front-office applications, collaborating with portfolio managers ...

award-winning SaaS customer loyalty platform are currently seeking a Back End Software Engineer to join their growing team in London. The company has been recognized by the Financial Times as one of the fastest-growing companies in the US. The platform enables companies to build, manage and publish ...

This role is greenfield and will allow you to shape the build out of this business function. What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very ...

leadership. If you want to work alongside some of the brightest, most enthusiastic people in the industry, this may be worth exploring. Role : Senior Software Engineer position. You will be a significant hire spearheading much of their 2025 development. Much of the team will be built around ...

Senior Software Engineer | Start-up | Cybersecurity | London About the Company Hyre AI is partnering with a fast-growing, well-funded cybersecurity company on a mission to solve one of the biggest challenges on the modern internet: proving who’s human in a world dominated by bots, scripts … financial services and beyond, and they’ve just raised a multi-million seed round to accelerate growth. Now they’re hiring a Senior Software Engineer to join a small, exceptional team building the future of online trust. About the Role As a Senior Software Engineer ...

Title: Machine Learning Engineer Location: London, UK Employment Type: Full-time Department: Data Science/AI Engineering Role Overview We are seeking a highly skilled Machine Learning Engineer to design, build, and deploy scalable ML solutions that power intelligent products and services. You will work closely with data scientists … software engineers, and product teams to transform cutting-edge research into production-ready systems. Key Responsibilities Model Development: Design, train, and optimize machine learning models for predictive analytics, NLP, computer vision, or recommendation systems. Data Pipeline Engineering: Build and maintain robust data pipelines for feature extraction, transformation ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like to be part … internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house click apply for full job details ...

Principal Python Engineer London Permanent Hybrid Ncounter is supporting a global investment firm in hiring a Software Developer to help design and evolve internal compute frameworks that underpin their trading and research platforms. This is a high-impact role, working at the intersection of software engineering ...

Hiring: Tech Recruiter – Build Our New Tech Division (Tribal) 💰 Salary: £35–55K + Commission 🏢 Hybrid: 👥 Clients: Digital Agencies, SaaS, Tech Startups, Ecommerce, B2B 🧩 Markets: Software Engineering, Product, Data, DevOps, Cloud, Tech Leadership Tribal Digital is expanding — and we’re launching a brand-new Tech Recruitment Division . … growth of our new Tech Recruitment Division 🔹 Build and manage relationships with digital agencies, SaaS platforms & product-led businesses 🔹 Recruit across core markets: Engineering, Product, Data, DevOps & more 🔹 Develop your own client portfolio with warm leads from day one 🔹 Source, interview and manage top-tier tech talent 🔹 Create market ...

Senior Software Engineer - Full-Stack Location: London Working Model: Hybrid 3 Days Salary: Up to £128,000 Ready to build tech that actually means something? This team is powering the next generation of electrification EVs, solar, batteries, heat pumps, smart devices all connected through a platform thats scaling fast … work full-stack: TypeScript, Node, React, React Native (bonus). You ship features end-to-end design ? build ? deploy ? monitor. You join a proper engineering culture: smart people, no ego, bottom-up ideas, product-first thinking. Youll touch microservices, distributed systems, cloud-native (GCP but if you have ...

onboarding to secure SSO and real-time data integrations, Connect is helping frontline organisations empower their people at scale. We’re looking for a Software Engineer to help shape and build the next generation of Connect. You’ll work as part of a multidisciplinary team across engineering, product … automated unit and integration tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos ...

/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best practices and coding standards, and collaborating with product managers and other stakeholders to deliver high-quality products for the financial … Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical Expertise: Design, develop, test, debug, implement, and maintain software applications using core Java technologies. • Quality Assurance: Ensure high-quality code through code reviews, adherence to coding standards, and implementation of best practices. • Collaboration ...

Staff Software Engineer – AI/ML (London (Hybrid – 2 days per week in office) An opportunity to take on a high-impact, hands-on leadership role within a scaling global SaaS company that’s using AI to reinvent how internal business systems and data work together. As a Staff … Software Engineer (AI/ML) , you’ll be the technical lead for a newly formed AI Engineering function . You’ll build and scale AI-powered backend systems that connect enterprise data platforms (CRM, analytics, and communication tools) with large language models — creating intelligent tools and insights that ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high-performance, scalable … software for real-world, high-traffic systems. About the Role You’ll join a permanent feature team, taking end-to-end ownership of services, from design and development to testing, deployment, and optimisation. Your focus will be on building robust microservices that support high-traffic user experiences, serving thousands ...

Vertex Agility is a fast-growing technology consultancy delivering Software Engineering, Cloud, Data, and AI solutions to global clients. We help businesses modernise their technology, accelerate delivery, and achieve measurable results. We’re looking for a commercially driven Account or Project Manager to take ownership of customer accounts ...

development Leveraging their proprietary AI tools and agent technology to maximize your success Building niche contractor candidate pools and relationships in AI, Cloud and Software Engineering verticals Winning new contract business with Europe/US startups and large-scale enterprise clients Working towards placements benefitting from market-leading ...