1 to 25 of 195 Software Engineering Jobs in the City of London

supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to help enterprises transform AI from proof of concept … into proprietary intelligence with systems that perform reliably, deliver measurable impact, and drive lasting results on the P&L. Project Overview: As a Software Engineering evaluator, you will create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code ...

processes and procedures and to modernise systems and practices so that they can deliver quality at pace. Currently the team are transitioning from traditional software application development using C#, Blazer and SQL Server integrating with Dynamics Business Central, and the Data team provide analytics and insights using SAS, MicroStrategy … move to Fabric, Databricks or Snowflake. With a Data Architect now in place, the focus is to recruit a Technical Lead to lead the software engineering function. This role will formerly move towards a Head of Engineering & Platform position but will remain hands on. This is leading ...

White Collar Factory (95009), United Kingdom, London, London Senior Software Engineering Manager What you'll do You'll support a cross-functional group of 3 to 4 engineering teams to design, develop and integrate software features that are delightful and vital to the lives of credit … card consumers across all walks of life Coach and nurture your engineering managers on how to build, empower and operate teams to achieve their goals Collaborate with product managers and designers on the overall product roadmap for a key business goal Provide sound stewardship of the platform and capabilities ...

Software Engineer – Java/Python London (On-site) This is a hands-on software engineering role within a systematic hedge fund where technology sits at the core of the business. The systems you build directly support trading, research, and core operations, and your work will have real … measurable impact. You’ll join a well-established engineering team and work across a range of internal systems, primarily in Java, with exposure to Python and quantitative tooling. The role offers end-to-end ownership: taking requirements from idea through to production, working closely with engineers and business stakeholders ...

1000+ What They Do: Our client is a PE-backed SaaS company at the forefront of legal technolgy, specializing in productivity and risk management software for small to large law firms and their employees globally. They offer a connected ecosystem of solutions to drive innovation across many aspects … firm. Contact Us For More Client Information THE ROLE Our client is seeking a Manager of Software Engineering to lead and scale a high-performing development team building modern, AI-enabled technology used by law firms and corporate legal teams worldwide. This role blends technical leadership, people management ...

/CD pipelines and DevOps practices Experience with Docker/Kubernetes is a plus About Us: Ascendion is a leading provider of AI-first software engineering services. Our applied AI, software engineering, cloud, data, experience design, and talent transformation capabilities accelerate innovation for Global 2000 clients. ...

Software Engineer (Senior) - C#/.Net & SQL Server | Trading Desk Engineering | Hedge Fund London (primarily office based in Liverpool Street) Permanent, Full-time £120,000 – £160,000 base + discretionary bonus (of up to 100%) The role: This is an opportunity to join a systematic trading firm … Senior Software Engineer working directly with the trading desk on the platform that executes trades in live markets. You will be based in the firm’s Liverpool Street front-office trading floor working alongside the traders, senior engineers and the CEO. The firm has around 18 employees, with roughly ...

Senior Product/Frontend Software Engineering Position Summary Total comp: £175k-£200k (inc. Equity) Hybrid working policy: Mandatory minimum three days a week in our Waterloo office Experience level: At least five years in commercial software engineering 🚀 About Orchestra Orchestra is an AI-native data pipelining … data teams! Backed by VCs from San Francisco, New York and London with angels from across the data space and beyond. 👷 Engineering at Orchestra We care deeply about our users—their pain points and experience We're a small team of generalists who embrace new challenges regularly ...

into a mature, well-documented, well-tested data platform. They will contribute to architectural decisions alongside the Senior Director for Data & Product, helping establish engineering standards, and coordinating with external service providers for specialised data modelling and engineering work when the scope requires it. You will focus … data access, including RESTful APIs and an MCP server to provide programmatic access to our data. Coordinating with specialist partners and external data engineering service providers for deep domain work like concept modelling or high-volume data integration. Tech stack: Languages: python (pandas, httpx, sdmx, pydantic, FastAPI, FastMCP ...

Java Software Engineer with around 3-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff … tenure. This hire will be part of a core Software Engineering team, responsible for the vast majority of all applications in the business from front-to-back office.This includes Order Management & Trading Execution, Risk & Finance, Straight-Through-Processing and Corporate Functions. The team deal directly with business users ...

growing payments technology company who are transforming their sector. Due to continued platform growth and global demand for their technology, they are expanding their engineering team with a Senior Full Stack .NET Engineer who can play a pivotal role in shaping the next generation of payment products and lead … partner platforms Create scalable services across backend systems and cloud infrastructure Contribute to product innovation and new feature development You Will Need 5+ years software engineering experience within modern development environments Strong expertise in .NET Core (C#), Microsoft Azure services, Frontend (ideally Angular) and SQL Server. Experience integrating ...

driven solutions that transform how organisations make decisions. In October 2025, Accenture acquired Decho Group, recognising our unique ability to combine deep engineering expertise with strategic advisory, tackling mission-critical problems in defence, healthcare, and commercial industries. Joining Decho means joining a consultancy where AI meets engineering excellence. … build workflows that drive smarter decisions, and partner with clients to deliver sustainable transformation. This is a hands-on role where you’ll combine software engineering expertise with strategic problem-solving, working across data pipelines, operational workflows, and AI models. Key Responsibilities Design & Solve: Break down client problem ...

Position Overview: We are seeking a Staff Software Engineer to join our innovative Biometrics team, where you will lead the architectural design and full-stack development of cutting-edge digital identity verification solutions. You will play a pivotal role in shaping the future of biometric authentication technology, from face … Elixir microservices Collaborate with cross-functional teams to implement privacy-compliant solutions adhering to BIPA, CUBI, ETSI, and GDPR regulations Mentor and guide engineering teams through complex technical challenges, code reviews, and architectural decisions Partner with product management and engineering leadership to translate business requirements into scalable technical ...

Hedge Fund seeking a Technical Project Manager to join their growing technology function. This role is ideal for someone who started their career in software engineering (C#/.NET) and has since transitioned into project management, but still retains strong technical credibility with developers. You will … Mentor and coordinate team members where required What We're Looking For Proven experience as a Project Manager within a technical environment Background in software engineering (C#/.NET essential) Strong understanding of software architecture and infrastructure Database experience (SQL Server, Oracle or similar) Experience managing complex ...

Hedge Fund seeking a Technical Project Manager to join their growing technology function. This role is ideal for someone who started their career in software engineering (C#/.NET) and has since transitioned into project management, but still retains strong technical credibility with developers. You will … Mentor and coordinate team members where required What We're Looking For Proven experience as a Project Manager within a technical environment Background in software engineering (C#/.NET essential) Strong understanding of software architecture and infrastructure Database experience (SQL Server, Oracle or similar) Experience managing complex ...

Data & Technology. They are now looking to recruit a Low Latency Trading & Observability SRE/Platform Engineer/Production Engineer into their core Production Engineering team, who are accountable for the reliability, operability and performance of the firm’s trading-critical systems, in an environment where availability, correctness … reliability of business-critical systems, from observability design through to incident resolution and systemic improvement; lead high-severity incident management; and reduce toil with software engineering, primarily in Python but also with Golang, TypeScript, SQL and/or PowerShell. The role requires someone who can evidence outstanding problem ...

insurance clients, spanning agentic systems, retrieval architectures, semantic layers and decision intelligence. This is a senior, hands-on consulting role combining deep AI engineering expertise with strong client-facing presence, shaping both insurance-specific client outcomes and the firm’s long-term AI engineering capability. As demand accelerates … across claims automation, underwriting decision support, policy servicing, fraud detection, compliance and operational efficiency, the consulting practice is expanding its engineering capability across agentic systems, retrieval, ontologies and AI-enabled execution within regulated insurance environments. The Consulting Engineer is a hands-on AI systems builder who combines engineering ...

Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires a solid engineering experience as per the tech listed below, preferably with Financial Services experience. Your professional experience + 7 years Cloud Engineering experience Expert in Terraform … tools and frameworks like Selenium, Postman and Cucumber . Able to produce clear Unified Modelling Language (UML) diagrams and service design artifacts Background in software engineering is very desirable. Ability to balance speed of delivery with maintainability, security, and operational excellence. Expertise in troubleshooting and resolving production ...

senior, hands-on consulting role combining deep technical leadership with strong client presence, shaping both client outcomes and the firm’s long-term AI engineering capability. As client demand for AI-native transformation accelerates, the consulting practice is expanding its engineering capability across agentic systems, retrieval, ontologies … enabled execution. The Consulting Engineer is a hands-on AI systems builder who combines deep engineering craft with commercial and product thinking to design, build and deploy agentic, retrieval and ontology-based systems for enterprise clients. You will work directly with senior client stakeholders and alongside consulting and orchestration ...

Role: Lead Backend Software Engineer Location : London/Newcastle – Hybrid Office & Home Who Are We? mkodo builds world class apps, middleware and digital products in the global lottery, betting, and gaming space. We have an open, supportive, dynamic culture where talented people are trusted to contribute to the team … global lottery industries, brought mkodo strong financial security, access to resources and clients at a global level. About the role: Reporting to a Software Engineering Manager or Head of Engineering, we are seeking a Lead Backend Software Engineer to be the go-to authority for backend ...

Company Raised $200m+ for charity worldwide Human-centric business Caring Culture – good people doing good for the world The Role Work cross-functionally with software engineering, Product and UX to bring this platform to life. Help architect, design, and implement well-tested new product features. This role … just about coding, its about influencing product and business impact Desired Skills & Experience Fullstack JavaScript/TypeScript/Node.js software engineering experience SASS, DynamoDB, AWS Lambda, and Serverless Framework are all beneficial eCommerce/Shopify experience is a bonus ...

Company Raised £400m+ for charity worldwide Human-centric business Caring Culture – good people doing good for the world The Role Work cross-functionally with software engineering and Product to bring this platform to life. Help architect, design, and implement well-tested new product features. This role … just about coding; it's about influencing product and business impact. Desired Skills & Experience Backend JavaScript/TypeScript/Node.js software engineering experience SASS, DynamoDB, AWS Lambda, and Serverless Framework are all beneficial eCommerce/Shopify experience is a bonus ...

Comp Package | Hybrid Working] Role Overview We’re representing a leading quantitative research and trading firm operating one of the most advanced compute and engineering environments in the industry. Following structural changes to part of its HPC capability, the organisation is investing heavily in strengthening its London-based security … platform engineering function. This role sits within a specialist DevSecOps team focused on building and operating internal security services at scale. Rather than writing policy or handling tickets, you’ll engineer the platforms that enable secure software delivery - spanning secrets management, PKI, secure build tooling and continuous compliance ...

Senior Front Office Software Engineer – Real‐Time Trading Systems Contract – Inside IR35 £700 - £1100 per day London – Hybrid (3 days in office) The Short Version. You must be a senior software engineer with experience in trading environments. You need to be a well-rounded engineer in Python, C# … global energy trading environment, building real‐time systems and Front Office tooling that directly support gas and power traders. This is a hands‐on engineering role in a fast‐moving setting where delivery cycles are measured in hours and days, not weeks. Working across UK and Denmark engineering ...

ensuring solutions meet operational, risk and regulatory requirements. Optimise applications and Linux environments to achieve low-latency trading performance. Promote best practices across the software development lifecycle, including code quality, automated testing and CI/CD pipelines. Drive continuous improvements in system performance, reliability and maintainability. Provide technical leadership … improvements in performance, usability and operational stability. Deliver a robust and scalable FX matching platform covering FX Spot and FX Swaps. Drive improvements in software quality, platform performance and team productivity. Required Experience Degree in Computer Science, Software Engineering, Electrical Engineering, or a related discipline Extensive ...