1 to 25 of 28 Remote/Hybrid Software Engineer Jobs in the City of London

Senior Software Engineer | Media/Subscription | Headless CMS/Paywall Role: Senior Software Engineer Salary: £80,000 plus £10,000 bonus Remote working: 2 days in London office I am working with a B2B Start Up who are looking to hire a Senior Software Engineer … leadership team, you will report directly to the CEO, ensuring their technology stack is a driver of their commercial success. Key Responsibilities for Senior Software Engineer Technical Leadership: Own and maintain their core stack, including headless CMS (WordPress + DatoCMS), infrastructure (AWS/Heroku), and billing systems (Stripe ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 2 days remote and 3 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions … Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. My client ...

Principal Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £120k Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer … microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data Structures and Design Patterns You are familiar with DevOps, CI/CD pipelines ...

exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, and developer tooling. … work closely with UX specialists, hardware teams, and software engineers to build polished internal tools that power advanced hardware configuration and tuning workflows. You will commit to a hybrid working model, with a minimum of one day per week onsite in the London office. Experience for the Java Software ...

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 … 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. ...

Senior Software Engineer Engagement : Full‐Time Contractor Location : London/Hybrid Length: 12 month contract Role Summary We are seeking a software engineer specialising in distributed data systems to design and build low‐latency, high‐volume data processing solutions that underpin regulatory voice compliance assurance across … Bank’s strategic data platforms. This is a hands‐on software development role , focused on event‐driven architectures, streaming pipelines, and scalable data matching engines rather than traditional reporting or BI. You will engineer resilient, production‐grade systems capable of processing high‐frequency voice metadata and transactional records ...

Full Stack Software Engineer (Data-Focused) Location: London - Hybrid - 1-2 days per week Salary: £100-130k + Bonus Type: Permanent Sponsorship: Not Available Role Overview: We are seeking a Senior or Staff-Level Fullstack Software Engineer with a strong background in data to join … moving legacy products to a new technology stack Support documentation, testing, and ongoing maintenance of production systems Required Qualifications: 7+ years of experience in software engineering roles, with a track record of building solutions end-to-end Experience deploying applications in cloud environments, preferably Microsoft Azure Strong experience ...

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 … 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 mentoring engineers and fostering ...

Full Stack Software Engineer (Data-Focused) Location: London - Hybrid - 1-2 days per week Salary: £100-130k + Bonus Type: Permanent Sponsorship: Not Available Role Overview: We are seeking a Senior or Staff-Level Fullstack Software Engineer with a strong background in data to join ...

Apache Kafka PostgreSQL Git/GitHub workflows Experience with Kubernetes deployments; able to build CI/CD pipelines About you (ideally): As a Senior Software Engineer/Platform Engineer you’ll be integral to our client facing delivery teams, working with clients to design and build their ...

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions … with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept ...

Global Banking & Markets - Software Engineer - Vice President - London Job Description The Opportunity Goldman Sachs has embarked on one of its most ambitious engineering programs: the Consolidated Trade Ledger (CTL), a ground‐up reimagining of the front-to-back architecture that underpins every trade the firm executes. … assistants, you will govern multiple AI agents, rapidly comprehend large legacy codebases, generate and assess production‐quality code, and accelerate every phase of the software development lifecycle. Your Impact Drive a strategic transformation : Work alongside domain experts to understand existing production processes, challenge long‐held assumptions that ...

Bleeding edge quant hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. In this high performance computing team, you will be responsible for building automated software solutions which are used across the trading business. … expected the successful candidate will be an expert Python engineer with functional experience of how market connectivity works with the applications they are developing Strong colleague network within this environment to take your initial experience to an elite level. Ideally Computer Science Degree or similar discipline Good commercial experience ...

Engineering AI Software Engineer - Vice President - London Job Description What We Do At Goldman Sachs, our Engineers don’t just make things – we make things possible. Change the world by connecting people and capital with ideas. Solve the most challenging and pressing engineering problems for our clients. Join … engineering teams that build massively scalable software and systems, architect low latency infrastructure solutions, proactively guard against cyber threats, and leverage machine learning alongside financial engineering to continuously turn data into action. Create new businesses, transform finance, and explore a world of opportunity at the speed of markets. Position ...

Senior Software Engineer – Python, AWS, SQL Location: London - Hybrid (2 days per week on-site) Salary : Up to £100,000 Type: Permanent, Full-Time We’re partnering with an exciting, fast-growing technology business that’s tackling complex, real-world challenges with cutting-edge engineering. They … looking for a Senior Engineer (IC3) to play a key role in designing and delivering high-impact, cross-service features within a modern, distributed platform. What you’ll be doing: Leading the design and delivery of complex, scalable systems across multiple services Making pragmatic architectural decisions in a fast ...

Software Engineer | Canvas | SVG | High-Performance Charting | London to £200,000 depending on exp. Most data visualisation roles sit on top of libraries. This one builds the engine behind them. I’m hiring a Senior Engineer to work on a widely-used charting library used by thousands … looking for Strong JavaScript or TypeScript fundamentals Experience working with Canvas, SVG, or other 2D graphics systems Solid grounding in algorithms, data structures, and software design Experience building complex systems — not just application-layer UI Exposure to a statically typed language (C++, Java, C#, Rust, etc.) Understanding of performance ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. ...

working with a forward-thinking technology company looking to hire a Graduate/Junior Software Engineer to join their growing team. This is a fantastic opportunity for someone early in their career to gain hands-on experience across a modern infrastructure stack, working on systems that are scalable ...

transforming how ecommerce brands support and engage with their customers through intelligent AI Agents. They’re now looking to hire a Senior Scala Software Engineer with strong Scala experience to help scale a high-performance backend platform powering some of the world’s leading retail brands. This ...

Lead Backend Engineer Node.js, TypeScript, PostgreSQL, APIs, Microservices, Docker, Kubernetes, AI/LLM Integration. London, United Kingdom Permanent Role: Competitive Salary + Equity A fast-growing AI startup is looking to hire a Lead Backend Engineer to help build and scale the backend infrastructure powering its next-generation ...

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 … Carnegie Mellon, UC Berkeley, Georgia Tech, and comparable institutions — though exceptional experience and skill always take precedence over pedigree. 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 examples ...

Senior Java Engineer/SRE London (Hybrid) The company A well-established global fintech business operating large-scale trading platforms across multiple asset classes including equities, leveraged products, futures, options, and digital assets. Their technology supports a significant international client base and processes high volumes of real-time trading … opportunity within a specialist Site Reliability Engineering team focused on performance, uptime, and operational excellence across a business-critical trading platform. The role combines software engineering with reliability engineering. You’ll be involved in designing and building internal tooling, improving observability, automating operations, supporting development teams, and helping ensure ...

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 … Harvard, Columbia, Princeton, Yale, University of Pennsylvania, and comparable institutions — though exceptional experience and skill always take precedence over pedigree. 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 ...

workflow management, and trading operations. This is a hands-on engineering role with strong exposure across platform architecture, distributed systems, cloud infrastructure, and modern software engineering practices. The position also offers a genuine progression path toward Head of Engineering responsibilities over time. The Role You will work closely with … systems within a cloud-native architecture Work closely with stakeholders across product, operations, and engineering to translate business requirements into technical solutions Apply modern software engineering practices including TDD, BDD, CI/CD, automated testing, and code review Contribute to platform reliability, observability, monitoring, and operational improvement Mentor ...

Role: Lead Python Engineer (Hands-on Team Lead) 📍 Location: London – Hybrid (3 days office/2 days WFH) 💰 Salary: Up to130k base 🏦 Industry: Fintech Platform We’re working with a profitable, high-growth UK fintech building a platform used by wealth and advisory firms to manage investment accounts, portfolios … platform — both in terms of scale and functionality . As a result, they’re growing the engineering team and looking for a Lead Python Engineer to take ownership of a core part of the platform. The Role This is a hands-on technical leadership role (50-70% hands ...