25 of 25 C# Developer Jobs in London

Senior C# Developer Location: London (Fully Onsite) Employment Type: Permanent Salary: £50,000 - £70,000 (DOE) Visa Sponsorship: Not available We're working with a London-based organisation that is looking to hire an experienced Senior C# Developer to join their engineering team … ideal for someone who enjoys hands-on development, working closely with the business, and taking ownership of complex systems. The Role As a Senior C# Developer, you'll be responsible for designing, developing, and maintaining business-critical applications built on C#/.NET and SQL . ...

Junior C# Developer – 6-month contract – London – SC Cleared – Inside IR35 My Financial Services customer is looking for a Junior C# Developer, that will play a key role in triaging and resolving technical queries during the development of the Synchronisation … platform for industry to demonstrate use cases and understand business models for synchronisation. The Junior C# Developer will proactively engage with Product and development teams to ensure timely responses to queries. You’ll be joining a collaborative, forward-thinking engineering team delivering scalable, secure, and high-performing ...

Developer – C# Kent - Hybrid £50k + Benefits Introduction CV Screen is recruiting for a talented Web Developer with strong C# skills to join a well-established and growing technology-led organisation based in Erith, Kent. This hybrid role offers a salary … fantastic opportunity to make a real impact within a forward-thinking business. Duties & Responsibilities Develop and enhance back-end applications and APIs using C# and .NET Create responsive, user-friendly front-end interfaces with a strong focus on UI/UX Contribute to sprint planning, task tracking and agile ...

C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker A leading global options market maker is expanding its Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering … enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems ...

Developer - C# Kent - Hybrid £50k + Benefits Introduction CV Screen is recruiting for a talented Web Developer with strong C# skills to join a well-established and growing technology-led organisation based in Erith, Kent. This hybrid role offers a salary ...

Title: C# Developer Location: Bromley, UK Type: Contract Candidates will be proficient in software design focused on a cross-language REST based n-tier architecture and executed using agile methodologies (Scrum, Test Driven Development, unit/integration testing, pair programming, etc.). The successful candidate will … develop our CI pipeline and deployment strategies REQUIRED SKILLS/EXPERIENCE Demonstrable experience of having designed and developed complex server-side functionality in C# SQL - preferably Oracle Shell scripting and basic Unix knowledge desirable Proficient in writing unit, integration, and acceptance tests Comfortable in an agile working environment Self ...

Title: C# Developer Client: Elite FinTech Firm Experience Level: 2+ years' Salary: Up to £100k + Bonus + Package Location: London (Flexible Working) An elite fintech firm are searching for C# Developers to join a group of the highest-regarded talent around! This team … high performance tools - utilising cutting edge technology across a diverse range of greenfield projects Tech driven environment - most recent versions/frameworks of C# used daily Skills/Experience Strong knowledge of C# STEM degree - strong computer science fundamentals (Preferred ...

C# .net software developer Investment banking Role details Title: C# .net software developer Employer: Investment banking Permanent role Salary range: £75k-95k Role focus: translation from one language to another Role requirements: C#.NET Development, Fixed income/derivatives or any banking is beneficial This … exclusive Software Engineer - C#/.Net developer to join this investment bank as they expand their software development team. This role is focused on translating one file or language into something the current system can use. You will need to use your software development skills, to understand ...

Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £415 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been … that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about ...

client, a high-performing, data-driven hedge fund, is seeking a top-tier Graduate/Junior C# Developer to join their London-based technology team. This is a rare opportunity to join a lean, high-calibre environment where technology sits at the core of the business. … weekly production releases, requiring engineers who are both pragmatic and delivery-focused. Key Responsibilities will include: Building and enhancing high-performance systems in C# supporting trading and analytics workflows Developing tools for market data processing, trading infrastructure, and internal platforms Working across the full development lifecycle: design, implementation, testing ...

Lead C# Backend Developer Location: Central London (Onsite) Salary: £75,000 - £85,000 Type: Permanent Sponsorship: Not available (must be UK-based) Overview We are working with an established software house based in Central London who are looking to hire a Lead C# Backend Developer … environment and enjoys working closely with both technical and non-technical stakeholders. Role & Responsibilities Lead the design and development of scalable backend systems using C# and .NET Framework Provide technical leadership and mentorship to a team of developers Take ownership of backend architecture and ensure best practices are followed ...

Lead C# Backend Developer Location: Central London (Onsite) Salary: £75,000 - £85,000 Type: Permanent Sponsorship: Not available (must be UK-based) Overview We are working with an established software house based in Central London who are looking to hire a Lead C# Backend Developer ...

Lead Developer, Azure, .NET, C#, React, LogicApps, Full Stack Engineer, Mainly Remote Lead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion … more than this We need someone with the following skills: The following skills as absolute PRIME - .NET, C#, Azure (including Logic Apps) and React. AZURE FIRST! Not AWS or GCP Strong Leadership where you have operated as a Lead Developer in a current of previous role Solid ...

Lead Developer, Azure, .NET, C#, React, LogicApps, Full Stack Engineer, Mainly Remote Lead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion … more than this... We need someone with the following skills: The following skills as absolute PRIME - .NET, C#, Azure (including Logic Apps) and React. AZURE FIRST! Not AWS or GCP Strong Leadership where you have operated as a Lead Developer in a current of previous role Solid ...

will develop and consolidate systems, write software, guide a team of developers, and take ownership of several critical platforms. This includes an in‐house C# PnL and Risk system that performs real‐time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform. … date) accounting reconciliations Particular interest in candidates with Fixed Income and Rates experience Technical Skills Strong computer science fundamentals Hands‐on development experience in: C# and .NET (essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such ...

Lead Developer, Azure, .NET, C#, React, LogicApps, Full Stack Engineer, Mainly Remote Lead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion ...

Power Platform Developer (D365/C#/Azure) London/Hybrid £50,000-£58,000 + bonus + benefits A leading financial services organisation is seeking a hands-on Power Platform Developer to join its in-house PP team. This is a pure developer … focused on building and supporting a mature Microsoft Power Platform and Dynamics 365 estate. The role combines low-code development with traditional engineering, including C#, plug-ins and Azure Function Apps, to deliver robust, scalable solutions for a regulated, buy-side environment. The role Develop and enhance solutions using ...

with pragmatic, commercial solutions. You’ll have direct interaction with PMs, quants, and the CTO, contributing across design, architecture, and production support. Tech Environment C# and .NET are central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other … essential, but interest in Fixed Income/Rates is beneficial Requirements Strong academic background in Computer Science or related field Excellent programming ability in C# and .NET Experience with large or complex data sets 1–5 years’ experience in a software engineering role Interest in finance; exposure to fixed ...

C# Front Office Developer- TOP HEDGE FUND! Robert Half Limited is representing this client. This is a Permanent role with a high bonus Hybrid working -Based in the city and 3 days in the office and 2 days from home This isn't a large PM environment … Forwards Why this role? Small, elite team (no big firm bureaucracy) Real ownership & direct impact High-volume, fast-paced environment Strong engineering culture (C#, Python, SQL, MUST HAVE Azure, CI/CD) Must have: Strong C# experience in financial markets with at least 4+ years' experience Exposure ...

Lead Developer, Full Stack Engineer, Azure, .NET, C#, React, LogicApps, Mainly Remote Lead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion … Development perspective. Previous candidates usually fall down on their lack of skills with LogicApps this is essential Good, hardened Full Stack Development skills within C#, .NET, React, JavaScript, HTML/CSS, Azure PaaS (Azure Functions, Azure Logic Apps, Cosmos DB, Azure App Service, ARM/Bicep templates), SharePoint Acceptance ...

Level .NET/Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET/Full Stack Developer to join a growing payments company. As a .NET Developer … engineering best practices Support the team in delivering scalable and reliable distributed systems What we’re looking for Experience developing applications with .NET/C# Exposure to cloud platforms such as Azure Experience building or consuming REST APIs Understanding of microservices or event-driven architectures Experience working in agile ...

Lead Developer, Full Stack Engineer, Azure, .NET, C#, React, LogicApps, Mainly Remote Lead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion … more than this We need someone with the following skills: Strong Leadership where you have operated as a Lead Developer in a click apply for full job details ...

Lead .NET/Full Stack Developer - Hybrid - £700/day Outside IR35 | C# | Azure | Event Driven Systems | Payments | API Driven We have a unique opportunity for a Lead .NET/Full Stack Developer to join a payments company. As the Lead .NET/Full Stack … volumes Contribute to improving engineering velocity, delivery quality, and platform resilience What we’re looking for Strong experience building production systems with .NET/C# Experience building cloud-native systems in Azure Experience with event-driven architectures (e.g., Kafka, Service Bus, Event Grid, messaging systems) Proven experience building distributed ...

hiring a Senior Unity Developer Join Offroad Games, a fresh, London-based game studio founded by ex-Space Apes in 2025. We’re running two live games, Chrome Valley Customs and Fastlane and tackle exciting technical challenges with a ship fast, improve constantly mindset. You’ll work closely … least one launched mobile title. Comfortable working independently while collaborating closely with the fast-moving wider team Be a flexible game developer and be ready to give feedback and suggestions on anything we create. Have the drive to make fun and engaging game mechanics with great feedback. Hybrid ...