76 to 100 of 221 Software Engineering Jobs in the City of London

Title: Embedded Software Engineer Location: London, United Kingdom Company: Chevalier Tech Job Type: Full-Time, Permanent About Chevalier Tech Chevalier Tech is a cutting-edge technology company based in London, focused on developing advanced embedded systems and smart hardware products across the automotive, IoT, and industrial sectors. We combine … deep technical expertise with a relentless drive for innovation to build solutions that power the future. We are seeking an experienced and passionate Embedded Software Engineer to join our dynamic engineering team and help design, develop, and optimise software for our next-generation hardware platforms. Key Responsibilities ...

Level Platform Engineer (DevEx) – GCP, Kubernetes, Terraform, CI/CD, Python Oliver Bernard are currently seeking a strong, Mid-Level Platform Engineer (from a Software Engineering background) to join a client of ours on a digital transformation orientated project. Existing plans are focused on embracing Cloud Native, removing … bespoke engineering from their environment, optimising processes, and advocating for DevEx/Dev enablement throughout. The existing Platform team consists of four engineers who work closely with engineering day to day, and are responsible for scaling their practices across Cloud, Containers, and IaC technologies, whilst driving best practices ...

Principal Full Stack Software Engineer Location: Hybrid - 1-2 days a week Salary: £110-130k + 10% Bonus Type: Permanent No Sponsorship Available Overview: We are seeking a Principal Full Stack Software Engineer to lead the design, development, and delivery of scalable, high-performance applications across … modern cloud-based architecture. This is a senior, hands-on leadership role where you will shape technical direction, influence engineering standards, and drive best practice across the full software development lifecycle. You will work closely with product, architecture, and leadership teams to deliver robust, user-centric solutions while ...

About the Company The mission of LTM Company is to engineer meaningful technology solutions to help businesses and societies flourish. Our successful technology business serves over 2000 Global customers and now, we are in a ...

Kubernetes Software Engineer - Up to £150k (flexible) + Bonus 📍 London (hybrid) A highly technical, engineering-led firm within the quant space is looking for a Software Engineer to work on a large-scale container platform that underpins critical systems. The role Building and improving core components … performance of distributed systems Contributing to platform reliability, scalability, and efficiency Collaborating closely with infrastructure and platform teams Writing production-quality code and improving engineering standards Scale/environment High-throughput distributed systems processing millions of workloads daily Infrastructure spanning large compute clusters and GPU workloads Highly automated environment ...

Senior Software Engineer - Golang Information Security £650 per day - Inside IR35 3 days per week on-site, 2 days WFH 3 Month rolling contract up to 2 years Job Summary The Information Security team is responsible for developing services to find and mitigate security risks faced. We are seeking … extraordinary Software Engineer who is passionate about security and can thrive in a fast-paced environment where both individual drive and team collaboration are the keys to success. As part of the Information Security team, you'll be at the forefront of developing cutting-edge services to identify ...

evolution of a scalable internal messaging and connectivity framework that enables robust, secure communication between services and external endpoints. Collaborate closely with cross-functional engineering teams to deliver new integration points, interface layers, and connectivity gateways that support evolving business needs. Implement, maintain and optimise high-throughput, low-latency … incremental enhancements for a 24/7 production environment, contributing to performance tuning and incident response as needed. What we’re looking for Strong software engineering experience writing clean, efficient and well-tested code in statically-typed languages (e.g., modern Java or equivalent). Deep understanding of object ...

Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering environment. You’ll work directly with traders, quants, and strategy developers to build and enhance trading tools and systems that support pricing, execution, and research … researchers to enable new trading strategies Build scalable, low-latency systems and data pipelines handling large volumes of market data Contribute across the full software development lifecycle, from design to production support Continuously improve system stability, performance, and usability in a fast-moving trading environment Qualifications: 1–8 years ...

leading UK financial services provider is seeking a highly experienced Engineering Manager to lead multiple squads within their retail engineering function. This new, high-impact role will be pivotal in ensuring delivery excellence, technical oversight, and strong alignment with business and regulatory priorities click apply for full ...

Python and React Native and you'll have a real say in product development, collaborating with sales team members, designers and the rest of engineering to turn ideas into things customers actually use. Location/WFH: You'll join a small team in the London, City office … days a week with flexibility to work from home. About you: You have strong full stack software engineering experience You have strong TypeScript and Python skills, combined with React and React Native You're comfortable writing SQL and working with both transactional (Postgres) and analytical (ClickHouse) databases ...

Contract Product Engineer 6 months minimum, outside IR35 Up to £700 PD I am working with a SaaS scale up who are looking for excellent Product Engineers on contract, who can build 0-1, with ...

firm operating at the forefront of technology, data, and financial markets. They are seeking a C++ Market Access Developer to join a world-class engineering team responsible for building and evolving ultra-low latency systems that power global trading connectivity. In this role, you will work on the core … including onboarding new brokers and venues, implementing protocol changes, and ensuring production stability of mission-critical trading flows. The work spans high-performance systems engineering, real-time optimisation, and hands-on production support in a fast-moving environment. This is a highly collaborative role working closely with traders, quants ...

Zoopla, reaching millions of homeowners per year. About The Role We're looking for a strong Product Engineer (full-stack) to join our product engineering team. You'll be someone who thinks of yourself as an engineer first, with deep hands-on experience in Ruby on Rails … constructively Contribute to architectural discussions and help raise the overall quality bar of the codebase What We're Looking For ~5 years of professional software engineering experience (we care more about the quality of that experience than the exact number!) Strong proficiency in Ruby on Rails ...

data environments Acting as a technical leader and mentor within high-performing teams What Were Looking For Strong background in data architecture and software engineering Experience across Azure, big data technologies, and modern data platforms Ability to work hands-on when needed (Java, Scala, Python) Expertise in data ...

with trading, infrastructure, and product teams to deliver high-quality integrations. Monitor, debug, and continuously improve production systems. Mentor junior engineers and help shape engineering best practices. Participate in on-call rotations and occasional travel as needed. Ideal Candidate Profile 3-5+ years of professional software engineering ...

fundamental shift toward scalable, platform-independent systems built on Linux and containerised environments. You’ll join a Solutions Architecture team within a Software Engineering function, working across both strategic design and hands-on delivery. Your focus will be a large-scale transformation programme, shaping how legacy platforms evolve … solution architectures across complex programmes Translate business and technical requirements into scalable designs Act as the bridge between Enterprise Architecture and engineering teams Define reusable architecture patterns and contribute to engineering standards Collaborate with security, infrastructure, and delivery teams Lead or support proof-of-concepts and prototype development ...

🚨 NEW JOB ALERT 🚨 – Senior Electronic FX UI Specialist 💻 React/TypeScript/FX Trading UI – Front Office Platform 🕑 Strong experience building high-performance, real-time trading applications 📍 London (collaborative, front office, low-latency environment) 💰 Highly ...

TypeScript; JavaScript, Python Infrastructure : Terraform, GitHub CI/CD pipelines Responsibilities Provide technical leadership and mentorship to your team. As a Senior Full-stack Software Engineer, you will be responsible for guiding and developing the skills of junior engineers. Lead technical decisions and design for your team. You will … applications, and protocols. Contribute to the development of technical documentation and standards. ABOUT YOU Qualifications Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Proven experience as a Senior Full Stack Developer or similar role with a strong portfolio of projects. ...

trusted advisor, guiding trade-offs and implementation strategies Mentor engineers and data scientists through hands-on guidance and reviews What You Bring Strong software engineering foundation (Python essential) Proven track record delivering production AI/ML systems Hands-on experience with frameworks like PyTorch, TensorFlow, or Scikit-Learn ...

C# Developer/Software Engineer (.Net AWS AI) London/WFH to £80k Are you a C# Developer with finance experience? You could be progressing your career at a boutique Asset Manager that specialise in Fixed Income markets and have multi-billion dollars under management. What ...

reduce financing costs and optimize return metrics. Who We're Seeking: We're on the lookout for a seasoned Associate to Mid-level Software Engineer with hands-on Python experience. Familiarity with AWS Serverless and related technologies would be advantageous. Strengths in Pandas, Polars, Pytest, Postgres, and CI/ ...

lucrative career from day one. Our client is a high-performing, fast-scaling recruitment firm based in London, specialising in technology markets (think AI, software engineering, fintech, and data). Theyre known for building top-billing consultants and offering one of the most exciting cultures in the industry. … Doing Partnering with cutting-edge tech companies from high-growth start-ups to global brands Sourcing and placing highly sought-after tech talent (software engineers, data specialists, AI experts) Managing the full recruitment lifecycle from business development through to placement Building your own client base and becoming a market ...

Software Engineer London/Hybrid | Perm Role £60,000 - £80,000 Harrington Starr has partnered with a fast-growing fintech that’s transforming how businesses manage foreign exchange and treasury operations. Their technology enables clients to access institutional-grade execution, automate manual workflows, and gain greater transparency across their … product offering and deliver cutting-edge solutions that help clients manage risk more effectively. The Role This is an excellent opportunity for an experienced Software Engineer — ideally with a background in financial technology or FX — to join a high-performing engineering team within a scaling fintech. ...

will directly enhance the Ultralytics HUB platform and empower our global community of developers and researchers. 🛠️ Skills and Experience 5+ years of experience in software engineering, with a strong focus on AI and Machine Learning (ML). Expert-level proficiency in Python and deep learning frameworks, particularly PyTorch. … experience with the full RAG pipeline, including vector embeddings , rerankers , and data indexing in databases like MongoDB. Practical knowledge of LLM fine-tuning, prompt engineering, and performance optimization. Familiarity with MLOps principles and tools, including CI/CD with GitHub Actions . A strong interest in computer vision ...

architecting, building, and/or integrating POS platforms or payment processing systems in fintech, SaaS, or related high-growth environments. Proven proficiency in backend software engineering, API management, integration frameworks, and cloud infrastructure. Hands-on experience working with SDKs, SaaS platforms, and third-party system vendors. Strong grasp … developers, compliance). Willingness to drive change, iterate quickly, and grow with business needs, including stepping into elevated leadership roles. Degree in Computer Science, Engineering or related discipline. Opportunity & Growth This role is designed for ambitious technologists ready to architect foundational POS and payments infrastructure – and to grow into ...