1 to 25 of 38 Remote/Hybrid Software Engineer Jobs in the City of London

Software Engineer/Full Stack Developer (TypeScript Data ETL) London/WFH to £90k Are you a data savvy Software Engineer with full stack skills? You could be progressing your career in a senior, hands-on Software Engineer role at a scaling Fintech … Salary to £90k Remote working Impactful role with complex challenges Great career growth opportunities as the company scales Your role: As a Software Engineer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive, creating systems that bring trading ...

Senior Software Engineer/Team Lead (Windows C/C++, C#) London to £115k FTC Are you a skilled C++ Software Engineer with technical/team leadership skills looking for a new opportunity? You could be progressing your career in a senior, hands-on role … global market data provider. As a Senior Software Engineer/Team Lead you will head-up an Agile team (5 engineers) focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols ...

Java Software Engineer/Developer (Java AWS Spring Boot) London/WFH to £90k Are you a backend focussed Java technologist who enjoys building systems from scratch? You could be progressing your career at a global, prime broker that is replacing the legacy infrastructure used across capital markets … today's complex global markets. The company is experiencing great success in the US and is expanding into the UK. As a Java Software Engineer you will join a small team responsible for building a brand new Futures Trading platform for the UK, primarily using Java with ...

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 … 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 JS, Hibernate ...

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 … 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 client needs. While hands-on development is key, this role also carries responsibility for technical decision-making, collaboration across teams, and supporting ...

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join … UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience having a direct impact from the get-go. ...

Software Engineer/Full Stack Developer (TypeScript Data ETL) London/WFH to £90k Are you a data savvy Software Engineer with full stack skills? You could be progressing your career in a senior, hands-on Software Engineer role at a scaling Fintech ...

Software Engineer/Developer (LLM TypeScript Node API) London/WFH to £100k Are you a senior technologist with experience of putting LLMs into production? You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options … where institutions can place, discover and match option interests electronically - improving liquidity and efficiency for all participants as the platform scales. As an AI Software Engineer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with ...

Software Engineer London/Hybrid | Perm Role £80,000 - £100,000 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. ...

Software Engineer | Energy & Climate Tech | London (Hybrid) We are hiring a Software Engineer to join a scaling Energy Tech startup that’s tackling climate change head-on. They’re backed by top-tier investors (think the people behind Meta, BeReal, and Slack) and scaling at speed. … building the software infrastructure for a decarbonised energy system—writing production Python code that controls tens of thousands of assets like EV chargers, heating systems, and home batteries. Their platform shifts energy use to times when it’s cheaper and greener, with ML models predicting demand in real time. ...

Senior Software Engineer Location: London (Hybrid) Contract Duration: 6 months Join a specialized Applied AI team driving innovation in business operations. The group accelerates AI transformation by developing agentic systems and full-stack infrastructure to automate workflows and drive efficiency. We're seeking a Senior Software Engineer … with corporate grit (processes, ticketing, documentation). Strong knowledge of distributed systems and high-availability APIs . Preferred Qualifications Experience in B2B or enterprise software environments . Ability to define product requirements and deliver end-to-end solutions. We're seeking passionate engineers who thrive in fast-moving, innovative ...

Staff Software Engineer Technical leadership | Azure Architecture | .NET | Angular | Platform Scale GTreasury is scaling its core SaaS platform - and we’re looking for a Staff Software Engineer to help lead that journey. This is a senior technical leadership role where you’ll combine deep hands … level engineers Own production reliability in a “you build it, you run it” model 👀 What We’re Looking For 8+ years of software engineering experience Deep expertise in .NET, Azure, and SQL Server Proven experience designing scalable cloud platforms Strong technical leadership without losing hands-on depth Comfort operating ...

Senior Software Engineer (.Net & Angular) - £70,000 – £85,000 pa + 25% Bonus + Benefits I am working with a leading professional services client in London that are looking for a Senior Software Engineer with full stack capabilities to join a small but talented team. ...

Lead Software Engineer | Major Legacy Transformation (NPPV3 & SC Required) Rate: £550 per day (Inside IR35) Location: London/Remote Hybrid Duration: 6–12 Months Clearance: Active NPPV3 and SC Clearance (Essential) The Opportunity Our client, a premier global consultancy, is seeking a Lead Software Engineer … Clearance . We cannot consider candidates without these active clearances due to the immediate start date. Leadership: Experience leading technical teams through the full software development lifecycle (SDLC) within a consultancy or government framework. Availability: Must be available to start within 1–2 weeks. Preferred Skills (Nice to Have ...

Software Engineer Canary Wharf, London (Hybrid) £60,000 - £70,000 + Holiday + Pension This is an excellent opportunity for an experience developer to join a disruptive technology start-up at a pivotal moment of growth. If you are a versatile engineer who enjoys working across ...

meets automation: smarter for your team, safer for your data, and better for the planet. 🎯 The Role We’re looking for a Founding (Senior) Software Engineer to build and shape the Klyk platform from zero-to-one. This is a foundational position with significant autonomy, where … automated IT services. 🎯 Autonomy and trust Work directly with founders and influence decisions from day one. 💡 Experienced Co-Founder team Experienced Founder Team across Software Development, IT & Cyber & Business scaling 🧠 Continuous learning Get exposure to product strategy, operations, sales, cyber, AI, and the realities of building a fast-growing ...

Senior Software Engineer Location: London (Hybrid) Contract Duration: 6 months Join a specialized Applied AI team driving innovation in business operations. The group accelerates AI transformation by developing agentic systems and full-stack infrastructure to automate workflows and drive efficiency click apply for full job details ...

FULLY REMOTE EU: Software Engineer - Compilers Title : Compiler Engineer Company : High Performance Compute Location : Fully remote EU Package : Up to £150,000 + shares + truly unlimited holiday and flexible working Overview : Are you someone with an excellent understanding of C++ and an interest in HPC, GPGPU ...

FULLY REMOTE EU: Software Engineer - Compilers Title : Compiler Engineer Company : High Performance Compute Location : Fully remote EU Package : Up to £150,000 + shares + truly unlimited holiday and flexible working Overview : Are you someone with an excellent understanding of C++ and an interest in HPC, GPGPU ...

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 examples, providing ...

Senior Software Engineer (Betting/Trading) Canary Wharf, London (Hybrid) £75,000 - £85,000 + Holiday + Pension This is an excellent opportunity for an experienced developer to join a disruptive technology start-up at a pivotal moment of growth. If you are a versatile engineer ...

Role: Software Engineer, Frontend Job Type: Full Time, Permanent Location: London, Hybrid (3 office days a week) Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. … have: Experience with design systems and component libraries Experience with Headless CMS platforms Familiarity with responsive design principles and accessibility standards Experience in agile software development methodologies Why Travelex? To remain the world’s leading foreign exchange specialist, we are focused on making our customers’ lives simpler, more engaging ...

Java Software Engineer/Developer (Java AWS Spring Boot) London/WFH to £90k Are you a backend focussed Java technologist who enjoys building systems from scratch? You could be progressing your career at a global, prime broker that is replacing the legacy infrastructure used across capital markets ...

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 ...

Software Engineer, you’ll be translating innovative research into high-performance, high-quality GPU compute solutions—playing a key role in delivering next-generation media technology to the market. Hybrid working, 3 days onsite and 2 days working from home. Key Skills & Qualifications: Degree in Electronics Engineering, Computer … Windows, Linux, iOS, and Android. Enhance, maintain, and expand existing codebases (C/C++/Python). Integrate third-party commercial and open-source software components. Produce clear and well-structured technical documentation, including specifications, APIs, and integration guides. Support external partners and customers in integrating SDKs. Test ...