1 to 25 of 163 Software Engineering Jobs in the City of London

C++ Software Engineering Manager A brand new and exciting opportunity has arisen for a C++ Software Engineering Manager with extensive knowledge of C++ to join a market leading financial services company based from their Old Street, London office. Please note you will be expected … office 4 days per week. The C++ Software Engineering Manager will take lead and mentor a team of 5 developers and QA's while also being able to be hands-on when called upon. This is an excellent opportunity for a C++ Software Engineering Manager ...

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 ...

wins we need to grow rapidly to meet our demand. Were looking for a senior technical leader to support the surge growth of our Software Engineering practice by ensuring we hire engineers who meet the highest standards technically, architecturally, and interpersonally. This isnt a recruiter role … scaled teams before, understands what good looks like, and can support us in making confident, consistent hiring decisions. Working closely with the Head of Software Engineering, youll lead technical assessments, shape interview processes, and coach others in the practice to apply high-quality, values-aligned evaluation. Your insight ...

pace across multiple international markets. With a mission centred on improving people’s lives through wellness, the company blends technology, data, and modern engineering practices to enhance member experience, drive commercial growth, and unlock operational efficiency. The organisation has recently invested heavily in a cutting‐edge AI function, with … Engineer to join a growing AI team delivering production‐grade AI systems across the business. This role sits at the intersection of software engineering, machine learning, and applied data science — ideal for someone who enjoys building real products, not just prototypes. You’ll work end‐to‐end: from ...

Java Software Engineering Manager (x2) - 6 month - 3 days pw onsite London - Circa £650pd outside IR35 We’re looking for a hands-on Java Software Engineering Manager to lead a high-performing team building reliable, scalable systems. You’ll balance technical leadership with people management, setting … practices Experience designing and delivering microservices-based architectures Solid understanding of CI/CD pipelines , including build automation, testing, and deployment Familiarity with modern engineering practices: automated testing, infrastructure as code, monitoring, and observability Technology Stack Backend development across modern JVM frameworks including Spring , Spring Boot , and Micronaut , primarily ...

addressing Tech Debt. • Influencing and delivering the product roadmap to improve our Key Performance Indicators and deliver tangible business value. • Developing the team’s Software Engineering skills. • Owning the team’s culture and ways of working, instilling a care for high quality code and tests and for implementing … best practices. Technical Skills: • Bachelor’s degree in Computer Science, Engineering, Computer Information Systems, or equivalent work experience. • Excellent communication skills and ability to communicate with your peers through to senior leaders. Should be able to engage and influence others to collect requirements, describe what you’re doing, work ...

personalised experiences that are both simple and beautiful. About the Job – Machine Learning Engineer We are looking for a Machine Learning Engineer with strong software engineering fundamentals to join our team of domain experts and researchers. You will be responsible for building robust, scalable ML systems that bring … translate experimental models into reliable, maintainable software. Optimise ML systems for performance, scalability, and cost-efficiency in cloud environments (distributed clusters, GPUs). Establish engineering best practices for ML development, including testing, CI/CD, and code review standards. Progression Timeline Month 1: Onboard to existing ML codebase ...

Senior Software Engineer 📍 Location: Onsite, London, United Kingdom ⌛ Type: Full-time 💰 Compensation: Negotiable (Competitive salary + equity) About Ontik Ontik is an ambitious, early-stage B2B financial operations platform designed to streamline and simplify complex financial workflows for heavy duty industries. We’re scaling rapidly and looking … high-performance, ownership-driven environment, where you can make a direct impact on the product and help shape its future. Role overview As a Software Engineer (Full-Stack) at Ontik, you’ll play a pivotal role in building and scaling our financial operations platform. This is a hands ...

bold technology transformation through improved working processes and modernising systems. Were looking for a hands-on (still happy to build/code) Head of Engineering to lead this change from the front who is a full-stack technologist who codes with confidence, architects with foresight, and inspires teams … deliver with purpose. Youll own the engineering direction across multiple domains designing scalable cloud-native platforms, embedding DevSecOps excellence, and ensuring our technology foundation accelerates the business. This is a role for a technical leader who still builds, who thrives on solving complex problems, automating intelligently, and mentoring ...

C++ Software Engineering Manager A brand new and exciting opportunity has arisen for a C++ Software Engineering Manager with extensive knowledge of C++ to join a market leading financial services company based from their Old Street, London office. Please note you will be expected ...

business users Lead the design and delivery of high-impact, user-facing web interfaces with a focus on performance and usability Establish and uphold engineering standards through testing strategy, documentation, and code review practices Act as a technical mentor and multiplier, coaching engineers, unblocking teams, and raising the overall … Growth Fintech & Tech-for-Good | Typescript, React.js, Node.js, Next.js | £110k-170k + Equity | 3 days hybrid in London Have 10+ years of experience in software engineering Strong proficiency in React, TypeScript & Node. Proven frontend & backend engineering skills Experience working with Next.js, Express & PostgreSQL Experience in high pace ...

Application Software Engineer – JavaScript A fantastic opportunity for talented Software Developers, to join an industry-leading software company in Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. … based from the London or Cambridge office (3 days on site, 2 days remote) Salary – Negotiable + comprehensive benefits Requirements for Application Software Engineer – History of academic excellence including a 2:1 or 1st class honours degree from a leading university plus AAB at A Level (or equivalent UCAS ...

Software Engineer – Custom Software (Android) London Office Hybrid working – approx. 20% onsite URGENT contract - Initial 4 months with high likelihood of extension We’re looking for a Software Engineer with strong Android expertise to join a high-impact custom software team delivering solutions for a major … defence client. This role offers the opportunity to work on complex, mission-critical systems using modern engineering practices in a collaborative, agile environment. You’ll be part of a well-established engineering team, contributing to the design, development, and enhancement of bespoke software applications tailored to specific ...

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 ...

libraries. • Experience with agentic AI architectures and autonomous AI agents. • Hands-on experience with LangGraph or similar orchestration frameworks. • Understanding of AI lifecycle: prompt engineering, agent workflows, deployment, and monitoring. • Familiarity with LLMs and multi-agent systems. 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. Ascendion is headquartered in New Jersey. In addition to our remote/hybrid workforce, we have 30+ offices across the U.S., UK, Poland, Romania, India ...

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 ...

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 ...

Partner with data engineers, ML engineers, architects, and business teams to shape ML initiatives. Present insights clearly through strong data visualisation and storytelling. Uphold software engineering and MLOps best practices (testing, versioning, quality, automation). Contribute to governance, responsible model usage, and data quality standards. Mentor juniors … cross-functional data teams. Strong stakeholder communication skills and the ability to explain commercial impact. Understanding of ML Ops vs DevOps and broader software engineering standards. Cloud experience (any platform). Previous mentoring experience. Nice to have: Snowflake or Databricks Spark, PySpark, Hadoop or similar big data tooling ...

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 ...

offices (on average once per week), and were happy to discuss flexibility to make this work for you. We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team … engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs. You will be responsible ...

Software Engineer Were now on the lookout for a Software Engineer to support our UK Production Support team that is working on delivering high-quality support and solutions to clients. In your role as Software Engineer, youll work closely with internal teams and clients to resolve issues … local statutory requirements. Provide out-of-hours support to clients when required. Skills & Experience required to perform this post: 7+ years experience in software engineering and a solid understanding of the software development lifecycle (SDLC). Technical experience with OOAD, SOA, Java, J2EE, Spring, React.js, Node ...

ways of working, standards, and governance Drive coherence across the technology stack, ensuring architectural consistency across: Secure cloud and compute platforms Digital factory and software engineering approaches Enterprise and business systems Advise on strategic technology choices, including: Platform and tooling selection Cloud strategy and deployment models Where … Experience & Skills Required Senior experience in Enterprise Architecture or technology leadership roles Defence, aerospace, or similarly regulated sectors Secure cloud and enterprise compute environments Software engineering standards and development governance Digital delivery models (agile, waterfall, hybrid) Proven background in large, complex, highly regulated organisations Comfortable operating in secure ...

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. … change lives and industries. The Role We’re seeking Senior Consultant Engineers who want to apply their technical mastery in AI consultancy and Palantir engineering while shaping the future of data-driven decision-making. This is a hands-on, client-facing role where you’ll lead technical delivery, partner ...

Intelligence is on a mission to make AI safe and reliable for everyone. To help us achieve this, we're seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang, Typescript and Kubernetes experience . Python skills would also … senior contributor to the development and operation of our cutting-edge cloud-based platform. You should have a passion for both science and engineering, a proven ability to deliver production-ready solutions, and a collaborative spirit to work closely with our product and research teams. Note: the role ...

About the job Reporting to a Software Engineering Manager or Head of Engineering, we are seeking a Lead Back End Software Engineer to be the go-to authority for backend engineering, setting the technical vision, guiding architecture, and driving improvements in tools, processes, and delivery … Spring Boot, and event-driven systems such as Kafka, you’ll influence systems well beyond your own code, ensuring architectural integrity and high engineering standards across multiple teams. You’ll play a pivotal role in aligning technical strategy with business goals and ensuring our backend capabilities are future-ready. ...