76 to 100 of 199 Software Engineering Jobs in Central London

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 ...

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 ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. Job Overview … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

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 ...

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. ...

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 ...

headquartered in Shoreditch, London. We operate three high-performing brands across the UK and Europe: Montash – delivering permanent and contract talent across AI & Data, Software Engineering, Cloud, and Cybersecurity Remobi – a remote-first brand deploying agile tech teams across Europe Trillion – focused on SAP and enterprise transformation within ...

market-leading brands, connecting world-class tech talent with clients across the UK and Europe: Montash – delivering permanent and contract talent across AI & Data, Software Engineering, Cloud, and Cybersecurity Remobi – our remote-first brand, deploying agile tech teams across Europe Trillion – focused on SAP and enterprise transformation within ...

Software Engineer Onsite role in Soho £80-120k depending on experience We’re on a mission to reinvent how AI understands people — not through CVs or data points, but through story, reasoning, and curiosity. We’re building systems that listen, interpret, and understand why people say what they ...

responsibilities , ideal for someone comfortable flexing between strategy, execution, and delivery. The right person will be confident working with senior stakeholders and closely aligned engineering and design partners. Required Qualifications 3–5 years of experience in Product Management, Program Management, or a hybrid role Experience supporting enterprise or internal … software applications Strong UX sensibility and experience partnering with designers Comfortable working with senior, opinionated stakeholder groups Experience working closely with software engineering teams (not fully technical, but technically fluent) Strong communication and stakeholder management skills Experience in Agile environments Hands‐on experience with Jira (required ...

Kubernetes Platform Security Engineer (Contract) 📍 London (hybrid) | 12 months A highly technical, engineering-led firm within financial services is looking for a contractor to support security across a large-scale container platform operating in a fast-moving, highly automated setting. The infrastructure runs at significant scale, handling tens … service communication, and policy enforcement — while helping to deploy and refine security tooling at scale. The role involves close collaboration with platform and engineering teams to embed secure-by-default practices, improve visibility and detection, and support incident response when needed. They’re looking for someone with strong Kubernetes ...

continuously based on real-world usage, feedback, and outcomes WHAT WE'RE LOOKING FOR 5+ years of experience in applied AI, machine learning, or software engineering Concrete, hands-on experience building and deploying LLMs and agentic frameworks in production Strong Python engineering skills Strong systems thinking with ...

through various sourcing channels, including LinkedIn, job boards, social media, forums, and coding platforms (e.g., GitHub, Stack Overflow). Source for tech talent across Software Engineering, Big Data & AI, DevOps & Cloud. Conduct Boolean and X-ray searches to uncover hidden talent. Strong understanding of technology roles, tools … cultural fit, and interest. Present qualified candidates with detailed notes and recommendations. Technology and Tools: Leverage applicant tracking systems (ATS), customer relationship management (CRM) software, and sourcing tools to manage candidate data. Stay updated on emerging sourcing technologies and best practices to improve efficiency. Metrics and Reporting: Track ...

Security programmes. You will design, build and operate secure, cloud-native backend services that underpin mission-critical national systems. This is a hands on engineering role, focused on building robust APIs, services and data driven components within modern cloud and DevSecOps environments. You will work end to end - from … lifecycle. Integrate backend services into CI/CD pipelines, supporting automated testing and deployment. Ensure systems are reliable, resilient and scalable, applying Site Reliability Engineering (SRE) principles. Collaborate closely with frontend developers, architects, DevOps engineers and client stakeholders. Help clients and users understand technical trade-offs and make informed ...

mission. We’re looking for a Project Manager to join our UK Cyber & Intelligence business. Our teams combine modern software‐engineering practices with deep Defence and national‐security expertise. You’ll play a key role in delivering complex, sensitive and high‐impact technology projects that support customers through … with strong evidence of collaborative working. Experience with UK Government or MOD environments, including PRINCE2, Agile, APM or MSP frameworks. Recent experience delivering IT, software or cyber projects within Government or similar complex organisations. Experience delivering to time, budget and quality within T&M and fixed‐price contracts. Ability ...