1 to 25 of 27 Senior Developer Jobs in the City of London

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as a Senior Frontend … Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Fullstack exposure More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as a Senior Frontend … Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: Strong expertise in React & Typescript - ideally also with Next.js Strong UI/UX intuition with a user-centric approach Fullstack exposure More ❯

Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real … You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior C# Developer/Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension … Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from More ❯

Senior Salesforce Developer - Service Cloud Location: London : (Hybrid: 2 days office-based, 3 days remote) Right to Work: Candidates must have the right to work in the UK without visa restrictions (no sponsorship offered) Our client is looking for a Senior Salesforce Developer responsible for hands-on Salesforce development and platform optimisation. This role focuses on … and version control. Review and manage the impact of Salesforce seasonal releases, including system updates and regression testing. Essential Skills and Experience Significant hands-on experience as a Salesforce Developer in complex environments. Expertise in Apex, Lightning Web Components (LWC), SOQL, REST/SOAP APIs, and Salesforce configuration tools. Strong working knowledge of Salesforce Service Cloud (essential); experience with More ❯

Senior Power Platform Developer Hybrid – London £70,000 – £80,000 + Benefits Are you a skilled Power Platform Developer looking for your next move? We’re seeking a Senior Power Platform Developer to join a leading Microsoft Partner expanding its Power Platform capability. This hands-on role focuses on C#/.NET plugin development, Dataverse More ❯

Senior Power Platform Developer Hybrid – London £70,000 – £80,000 + Benefits Are you a skilled Power Platform Developer looking for your next move? We’re seeking a Senior Power Platform Developer to join a leading Microsoft Partner expanding its Power Platform capability. This hands-on role focuses on C#/.NET plugin development, Dataverse More ❯

We're looking for a Senior Android Developer to join an innovative tech company that delivers cutting-edge solutions to regulated industries such as Finance and Healthcare. In this role, you will take ownership of developing Enterprise-level Android applications to enhance user experiences and support delivery of high-quality products. Role: Senior Android Developer Location … with app deployment processes, including Google Play submission, signing keys, and building pipelines. A portfolio of previous Android apps or code samples is highly desirable. If you are a Senior Android Developer interested and wish to learn more please apply or get in touch for more details as interviews will be taking place immediately. More ❯

We're looking for a Senior Android Developer to join an innovative tech company that delivers cutting-edge solutions to regulated industries such as Finance and Healthcare. In this role, you will take ownership of developing Enterprise-level Android applications to enhance user experiences and support delivery of high-quality products. Role: Senior Android Developer Location … with app deployment processes, including Google Play submission, signing keys, and building pipelines. A portfolio of previous Android apps or code samples is highly desirable. If you are a Senior Android Developer interested and wish to learn more please apply or get in touch for more details as interviews will be taking place immediately. More ❯

Hiring: Senior Laravel Developer (Remote, Full-Time) Paying up to £55,000 🚨 Small but mighty remote engineering team (currently 6 strong) is growing — and they're looking for a Senior Laravel Developer to take real ownership of core product development. This isn’t just another dev job — you'll be working on meaningful eCommerce challenges, helping More ❯

team, where youll work on our low latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, youll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of the team, driving innovation in a fast More ❯

Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield projects and More ❯

Senior .NET Developer | FinTech | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN We have partnered with one of the leading FinTech companies in London, which is looking to expand its engineering team. You’ll contribute to building scalable products and APIs that enable the business to understand its performance and unlock new growth opportunities. Details … days onsite in London Up to £600/day Outside IR35 Initial 6-month contract Key Skills Experience operating at a Senior Level, either in your last position or in a previous position Strong experience with .NET for building APIs. Solid experience with Event Driven Systems. Experience working with Azure and cloud development. Senior .NET Developer | FinTech More ❯

Senior .NET Developer | FinTech | Azure | Event Driven Architecture | £600/Day Outside IR35 | Hybrid, LDN We have partnered with one of the leading FinTech companies in London, which is looking to expand its engineering team. You’ll contribute to building scalable products and APIs that enable the business to understand its performance and unlock new growth opportunities. Details … days onsite in London Up to £600/day Outside IR35 Initial 6-month contract Key Skills Experience operating at a Senior Level, either in your last position or in a previous position Strong experience with .NET for building APIs. Solid experience with Event Driven Systems. Experience working with Azure and cloud development. Senior .NET Developer | FinTech More ❯

Job: Senior eFX Java Developer - Low Latency London, UK Hybrid working – 3 days on-site Full Time Overview This is a high-profile role working on the eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and C# developers More ❯

Job: Senior eFX Java Developer - Low Latency London, UK Hybrid working – 3 days on-site Full Time Overview This is a high-profile role working on the eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and C# developers More ❯

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex operations with ease. They’re now seeking a Lead … PHP Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. You’ll collaborate closely with product, DevOps, and frontend teams to ensure the platform remains scalable, secure, and future-proof. More ❯

helped many clients achieve their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role is based in the UK or More ❯

helped many clients achieve their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role is based in the UK or More ❯

Job Title: Senior Power Platform Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary £55,000-£65,000 plus company benefits. About Us Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We … products, with systems to track unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary As Triad's Power Platform Developer, you will play a pivotal role in designing, implementing, and maintaining scalable solutions built on the Microsoft Power Platform. You possess a deep understanding of Power Apps, Power Automate … degree in Computer Science, Information Technology, or related discipline. Relevant certifications, including but not limited to: Microsoft Certified: Power Platform Solution Architect Expert (preferred). Microsoft Certified: Power Platform Developer Associate (optional but valued). Minimum of 8 years of hands-on experience in Microsoft development technologies. Triad's Commitment to You As a growing and ambitious company, Triad More ❯

Senior Python Quantitative Developer sought to join a multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield central Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds and Investment teams. Our client is an early Quantitative Investment Boutique focusing … siloes whatsoever, and industry-leading tenure. The firm totals around 150 staff, all of whom are office-based three or more days per week. This is a more technical Senior QD role which will involve collaborating with Quantitative Researchers and Portfolio Managers to design and implement scalable solutions, addressing complex business needs. Primarily, you will be charged with delivering More ❯

Senior Python Quantitative Developer sought to join a multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield central Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds and Investment teams. Our client is an early Quantitative Investment Boutique focusing … siloes whatsoever, and industry-leading tenure. The firm totals around 150 staff, all of whom are office-based three or more days per week. This is a more technical Senior QD role which will involve collaborating with Quantitative Researchers and Portfolio Managers to design and implement scalable solutions, addressing complex business needs. Primarily, you will be charged with delivering More ❯

Started in 2021, we are building the best business AI video system on the market. Powered by the next-generation video artificial intelligence, we deliver unprecedented insights and 10x better user experience than the incumbents of the vast but stagnant More ❯

Started in 2021, we are building the best business AI video system on the market. Powered by the next-generation video artificial intelligence, we deliver unprecedented insights and 10x better user experience than the incumbents of the vast but stagnant More ❯

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end More ❯

My client, a prestigious multi-strat hedge fund, is seeking an exceptional Data Engineer/Developer to join their Reporting & Analytics team within their London office. In this role, you will play a key role in designing and developing next-generation reporting and data analytics solutions, with a strong focus on P&L reporting and operational decision-making. As More ❯