C# Software Engineer Jobs in London

1 to 25 of 26 C# Software Engineer Jobs in London

Software Engineer (C# - React)

Greater London, England, United Kingdom
Sure Exec Search
Software Engineer - C# - React.js Location: Central London Work arrangement: Hybrid; 1 day on-site (Monday – Friday; 09:00 – 17:30) Salary: £60,000 - £75,000 per annum (dependent on experience) Start Date : Immediate * Please be advised that our client is unable to provide sponsorship * Essential … Degree in Computer Science or equivalent combination of technical education and work experience. C#/.NET/.NET Core in a full stack role JavaScript and React.js . We are currently seeking a talented Software Engineer to join our client's central technology function. As … to ensure quality and adherence to coding standards. Qualifications and Skills: Degree in Computer Science or equivalent combination of technical education and work experience. C#/.NET/.NET Core in a full stack role. JavaScript and React.js . Proven record of development in an AWS cloud environment. Experience more »
Posted:

Lead Software Engineer - C# / .Net

London Area, United Kingdom
Hybrid / WFH Options
KPMG UK
Job Title: Lead Software Engineer (C#/.Net) – Tax & Legal Technology Base Location: London based (Hybrid – 2 days per week in office) www.kpmgcareers.co.uk/experienced-professional/#LeBlender.OfficeLocations The KPMG Tax & Legal Technical Engineering function is a cornerstone of our business. We do work that … the institutions and businesses which make the UK what it is. Why Join the KPMG Tax & Legal Technology Engineering team as a Lead Software Engineer We might be world leaders in Tax & Legal, but in many ways the engineering department feels like a start-up, with … to focus on creating world-class solutions. What will you need to do it? Be a subject matter expert in full stack engineering using C#/.Net5+ and Angular 2+ framework. Demonstrable experience leading engineering teams building distributed systems and secure products at scale. Have a solid understanding of more »
Posted:

Software Engineer - Backend (C#)

London Area, United Kingdom
Trayport
The Role We’re looking for Software Engineers to join our Joule Direct team, to help us build and improve our high-throughput, low-latency energy trading platform. You’ll be working with some amazing technologists to solve complex problems. For us, teamwork is everything. We listen to … code to reduce latency Do some design/planning with a colleague and raise an RFC Our Tech Stack Our services are written with C# on .NET 6 We use a fair bit of SQL Server, Kafka and RabbitMQ Azure DevOps. We are big fans of Azure Pipelines! Some … including planning, implementation and delivery Pairing with other engineers to share and expand your knowledge Contributing to technical discussions Skills & Experience Strong knowledge of C# or any popular programming language Excellent communication skills Can write efficient, concurrent code Knowledge of how distributed systems work Experience with Git, TeamCity and more »
Posted:

Software Engineer (C#/React)

London Area, United Kingdom
Trayport
The Role As we build on our success and expand into new markets, we are looking for passionate and talented Software Developers to help us to keep our customers happy by building and improving highly concurrent event driven architectures, working with amazing technologists across multiple products in a … and we will invest in you. Within the Web Team here at Trayport we regularly appraise new technologies but our stack mainly consists of: C# .Net 6 React Typescript SignalR Docker Prometheus If you are not an expert in these specific technologies but are familiar with an equivalent then more »
Posted:

Software Engineer (C#, .NET) - Payments

London Area, United Kingdom
Hybrid / WFH Options
Coders Connect
are looking to expand their team with talented individuals who are eager to contribute to the future of payment technology. We are seeking Software Engineers to join our client’s engineering teams within Operations & Compliance Services, Merchant Services or Core Network. In this role, you will focus on … the software development lifecycle, and ensuring that payment systems are secure, scalable, and reliable. Responsibilities Develop and maintain payment processing systems using C# and .NET, ensuring they meet performance and security requirements. Collaborate with cross-functional teams to deliver high-quality features and solutions. Contribute to the … contribute to the improvement of engineering practices and knowledge sharing. Qualifications 2+ years of experience in software development with strong skills in C# and .NET. Must have exposure to payment systems or financial technology. Understanding of RESTful APIs and microservices architecture. Experience with SQL and NoSQL databases. more »
Posted:

Software Engineer - C# - Up to £200k

Greater London, England, United Kingdom
Stanford Black Limited
C# Developer – Up to £130,000 Base Salary, £200,000 Total Compensation The role: One of the most successful fintech firms in the market are starting to build out an entirely greenfield digital, API driven trading network in C#. They are looking for passionate technologists to join their team … of the benefits they offer are: Market leading compensation Lucrative bonus structure Onsite gym Onsite chef in the office Requirements: 3 - 8 years commercial C# experience – any background – no financial experience required Good knowledge of Computer Science fundamentals An open minded and collaborative approach to work 3 days working more »
Posted:

Software Engineer Full Stack C# .Net React

City of London, London, United Kingdom
Hybrid / WFH Options
Client Server
Software Engineer/Developer (C# .Net React Cloud) London/WFH to £65k Do you have strong C# skills combined with React.js experience? You could be progressing your career at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Software … you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed onto Azure. You'll have exposure across the full technology stack in a modern development environment with microservices, .Net Core, React … Location/WFH: There's a hybrid work from home model with three days a week in the London office. About you: You have C# .Net Core backend development experience You also have front end development experience with React You have a good knowledge of microservices and have Cloud more »
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Principal Software Engineer (.Net/C#)

Bromley, England, United Kingdom
Troi
Principal .Net/C# Software Engineer (Motorsport Sector) Bromley area (2 or 3 days a week in office + ad hoc international travel) £80,000 - £100,000 + Package Troi Search are delighted to be working with arguably one of the most exciting and recognised … brand, and given the sheer precision required for their software, they only hire the best. If you’re skilled across .Net/C# development, have experience spanning real-time environments, HFD (high frequency data) & event-based architectures and message buses (ActiveMQ, RabbitMQ) & experience with Language-Integrated Query … Microsoft SQL Server. Experience with NoSQL Databases such as Mongo/DocumentDB. Fluent working knowledge of Linq and associated functional programming practices in the C# environment is a must have. Experience with microservice architectures and containerization (Docker) Experience writing and maintaining Unit, integration, E2E and regression tests and test more »
Posted:

Senior Software Engineer (.Net/C#)

Bromley, England, United Kingdom
Troi
Senior .Net/C# Software Engineer (Automotive Sector) Bromley (2 or 3 days a week in office + ad hoc international travel) £60,000 - £70,000 (DoE) + Package Troi Search are delighted to be working with arguably one of the most exciting and recognised … brand, and given the sheer precision required for their software, they only hire the best. If you’re skilled across .Net/C# development, have experience spanning real-time environments, HFD (high frequency data) & event-based architectures and message buses (ActiveMQ, RabbitMQ) & experience with Language-Integrated Query … Microsoft SQL Server. Experience with NoSQL Databases such as Mongo/DocumentDB. Fluent working knowledge of Linq and associated functional programming practices in the C# environment is a must have. Experience with microservice architectures and containerization (Docker) Experience writing and maintaining Unit, integration, E2E and regression tests and test more »
Posted:

Senior Software Engineer - Javascript / Typescript with (C++ / Java / C#) London

London Area, United Kingdom
Hybrid / WFH Options
techstack Recruitment
Senior Software Engineer - Javascript/Typescript with (C++/Java/C#) London Location: London (Hybrid - WFH 2 days) Salary: £150,000 - £200,000 (Permanent) Contract Rates: £700 - £900/day (Outside IR35) Are you ready to be part of a groundbreaking journey in developer … contributions will shape products used by millions worldwide. What They’re Looking For: Expertise in JavaScript & TypeScript and proficiency in other programming languages (C++, C#, Java, or Python). Deep experience with JavaScript frameworks like React, Angular, or Vue and a strong understanding of software design principles. … your expertise. Flat Hierarchy : Enjoy a work culture where your contributions directly influence the company’s direction. If you’re a top-tier software engineer passionate about pushing the boundaries of technology, I want to hear from you! Apply now to be part of this exciting more »
Posted:

Software Engineer - Desktop (C#)

London Area, United Kingdom
Trayport
The Role We're seeking a Software Developer to join the Joule Product Team, who is proficient in C# with a good level of experience designing and extending large codebases for multithreaded client-facing applications. You will be dedicated to ensuring customer satisfaction and enhancing our highly … concurrent event-driven architectures, collaborating with top technologists to tackle intricate challenges. Our Key tech stack includes: C# F# WPF Reactive Extensions Websockets Octopus Team City. Join us in crafting exceptional solutions and pushing boundaries in the tech realm. Responsibilities The main responsibilities are: Autonomy: Expected to deliver the … us, teamwork is everything. We listen to each other, we adapt, we evolve and we strive to innovate. We are looking for an Engineer to help us keep our customers happy, build and improve highly concurrent event driven architectures and work with an amazing team to solve highly more »
Posted:

Software Engineer Full Stack C# .Net React

London
Hybrid / WFH Options
Client Server
Software Engineer/Developer (C# .Net React Cloud) London/WFH to £65k Do you have strong C# skills combined with React.js experience? You could be progressing your career at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Software … you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed onto Azure. You'll have exposure across the full technology stack in a modern development environment with microservices, .Net Core, React … Location/WFH: There's a hybrid work from home model with three days a week in the London office. About you: You have C# .Net Core backend development experience You also have front end development experience with React You have a good knowledge of microservices and have Cloud more »
Employment Type: Permanent
Salary: £55,000 - £65,000
Posted:

Senior Software Engineer C# .Net Azure

London
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (C# .Net Azure) London/WFH to £105k Do you have expertise with C# .Net backend development? You could be progressing your career in a high profile, impactful role, at a tech company that provide a SaaS product suite … you will collaborate closely with the Principal Engineer in leading the design, implementation and continuous improvement of backend systems and APIs using C# .Net, CosmosDB and Azure. You'll get involved in technical discussions and decision making, take ownership of projects and provide technical leadership to a … policy with 2-3 days a week in the London office, where you can enjoy a sociable team environment. About you: You have advanced C# .Net backend development experience You have strong experience of designing and developing APIs, with a focus on optimising for performance, scalability and security You more »
Employment Type: Permanent
Salary: £90,000 - £105,000
Posted:

Senior Backend Software Engineer C# .Net FAANG

London
Client Server
Senior Backend Software Engineer/Developer (C# .Net FAANG) London onsite to £160k Are you a .Net technologist with strong backend development experience within a FAANG tech company looking for an opportunity to progress your career in a senior, hands-on role with complex and … that has just received £100 million investment. As a Backend Software Engineer you'll join a small, Agile team using C# .Net Core within a TDD environment deploying to AWS. You'll design and develop new features and enhancements across two security product areas, working … range of facilities and an array of perks. About you: You have experience of working at a FAANG technology company You have strong backend C# .Net development skills including .Net Core You believe in producing quality code and have experience with TDD You have a good knowledge of AWS more »
Employment Type: Permanent
Salary: £130,000 - £160,000
Posted:

C#.NET Software Engineer

London, United Kingdom
Hybrid / WFH Options
Huxley Associates
C#.NET Software Engineer - Foreign Exchange (FX) Role details Title … Software Engineer- C#.NET Software Engineer - Foreign Exchange (FX) Business FX Financial Technology Technology stack Front end C#, ASP.NET, (url removed), AWS Amazon Web Services, Typescript Permanent role- salary currently being signed off Location: London and home working hybrid Position Overview Job … scaling and optimizing a robust system and be a part of a talented team dedicated to shaping the future of technology in finance. Technologies: C# .Net AWS - High utilisation of various services Frontend - React, S3, CloudFront, Storybook, Webpack, Typescript DevOps & CI/CD - Codepipeline, Bitbucket Pipelines, Jenkins, DataDog, PagerDuty more »
Employment Type: Permanent
Salary: £45000 - £90000/annum
Posted:

Principal Backend Software Engineer C# .Net Azure

London
Hybrid / WFH Options
Client Server
Principal Backend Software Engineer/Developer (C# .Net Azure) London/WFH to £120k Do you have expertise with C# .Net backend development? You could be progressing your career in a high profile, impactful role, at a tech company that provide a SaaS product … Engineer you will collaborate closely with the CTO in leading the design, implementation and continuous improvement of backend systems and APIs using C# .Net, CosmosDB and Azure. You'll be heavily involved in technical discussions and decision making, take ownership of projects and provide technical leadership to … with 2-3 days a week in the London office, where you can enjoy a sociable team environment. About you: You have expertise with C# .Net backend development You have strong experience of designing and developing APIs, with a focus on optimising for performance, scalability and security You have more »
Employment Type: Permanent
Salary: £100,000 - £120,000
Posted:

Software Engineer - C# JavaScript

London, United Kingdom
Som3
Software Engineer Full stack - C#, JavaScript Hybrid - 2 days per week in closest office We are looking for experienced Software Developers in C# and Javascript skills along with SQL,CI/CD, Cloud (Azure/AWS) experience Our client is growing their … house from external suppliers. You will work as part of a team responsible for the design, build, maintenance, upgrade and support of bespoke software and … underlying technology. You will build full stack applications and architecting cloud-based software solutions. Your background You will have great experience in C# and JavaScript - proven skills building full-stack application Fluency with SQL (preferable T-SQL). Experience with Git. Experience with CI/CD. Experience more »
Employment Type: Permanent
Salary: £44000 - £60000/annum
Posted:

Software Engineer with C# Java and Azure

London
Nexus Jobs Limited
Job Description Software Engineer with C# or Java and Azure Must have a bachelor's degree in computer science, software engineering, or a related field is required. Must have at least 4 to 6 years of progressively complex experience in a directly related … Office 365 suite, SharePoint Online, Power Apps, GitHub, MS Teams, etc. In-depth knowledge & experience using Visual Studio, with one of the programming languages: C#/Java/JavaScript/Python, and PowerShell. In-depth knowledge and thorough experience of using Serverless, SOAP, XML, REST, JSON, EDI, XSLT, Async more »
Employment Type: Permanent
Salary: £60,000 - £95,000
Posted:

Senior Software Engineer with C# .net Fixed Income FX

City London, London, England
Nexus Jobs Limited
Job Description C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with … C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments … pricing APIs. Maintaining the company's daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, ASP.NET Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce more »
Employment Type: Permanent
Salary: £50,000 - £75,000
Posted:

Backend Software Engineer C# .Net SQL - Hedge Fund

London
Hybrid / WFH Options
Client Server
Backend Software Engineer/Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund … discipline from a top tier university (i.e. Russel Group or top 100 global university), backed by A grades at A-level You have advanced C# .Net programming skills including .Net Core (will also consider Java, Python or C++ background if happy to use C# going forward) You have … sports teams Private healthcare and wellness activities Apply now to find out more about this Backend Software Engineer/Developer (C# .Net SQL) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We more »
Employment Type: Permanent
Salary: £140,000 - £180,000
Posted:

Senior Software Engineer C# Artificial Intelligence

London
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (C# Artificial Intelligence) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence … week. About you: You are an experienced Software Engineer with a strong knowledge of modern best practice You have strong C# backend development skills You have experience or a strong interest in Artificial Intelligence and are keen to explore the possibilities further, ChatGPT knowledge You … Impactful role working on cutting edge technology Apply now to find out more about this Senior Software Engineer/Developer (C# Artificial Intelligence) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We more »
Employment Type: Permanent
Salary: £85,000 - £100,000
Posted:

Software Engineer C# SQL Mathematics - Trading

London
Hybrid / WFH Options
Client Server
Software Engineer/Developer (C# SQL Mathematics) London/WFH to £85k Are you a data savvy Software Engineer with strong C# and SQL skills combined with a good understanding of finance/trading systems? You could be progressing your … Office users and will gain a good understanding of financial trading systems, working with modern tech across the full stack from SQL/Oracle, C# .Net Core on the backend through to Angular and TypeScript on the frontend, with a bias towards backend development. There's a range of … You'll join colleagues in impressive Central London offices with flexibility to work from home one day a week. About you: You have strong C# .Net skills, ideally including .Net Core You have strong SQL development skills You're highly numerate with a good understanding of mathematics You have more »
Employment Type: Permanent
Salary: £78,000 - £85,000
Posted:

Backend Software Engineer C# .Net Azure

London
Hybrid / WFH Options
Client Server
Backend Software Engineer/Developer (C# .Net Azure) Remote UK to £70k Are you a backend focused Software Engineer with a strong knowledge of cloud based infrastructure and deployment in Azure? You could be progressing your career at a leading European … design and develop scalable and resilient applications using Azure services including Azure Functions, Azure App Service, Azure Logic Apps and Azure SQL Database using C# and PowerShell. You'll build and maintain CI/CD pipelines using Azure DevOps to automate the process of building, testing and deploying applications … policies and network security to protect sensitive data and prevent unauthorised access, collaborating closely with DevOps and Security teams. About you: You have strong C# .Net backend development experience, they're using .Net 8 You have experience with Azure services such as Azure Functions, Azure App Service, Azure Logic more »
Employment Type: Permanent
Salary: £60,000 - £70,000
Posted:

C# Software Engineer .Net Core

London
Hybrid / WFH Options
Client Server
C# Software Engineer/Developer (.Net Core) London/WFH to £100k Do you enjoy collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable Hedge Fund that invests in sports betting markets whilst enjoying … a range of perks and benefits including hybrid working and a sociable team environment. As a C# Software Engineer you'll join a cross functional Agile product team responsible for high-value business critical systems. You'll be building systems to manage large datasets which … low latency; these systems are released with high frequency with technology choices that are continuously evolving. There's a focus on backend development with C# .Net and Kubernetes however you will work across the full stack, using TypeScript, Blazor and React on the client side. You'll take ownership more »
Employment Type: Permanent
Salary: £85,000 - £100,000
Posted:

Backend Software Engineer C# .Net - Hedge Fund

London
Hybrid / WFH Options
Client Server
Backend Software Engineer/Developer (C# .Net) WFH/London to £120k Would you like to take ownership, make the technical decisions and remain hands-on with code? You could be joining a small, specialist Hedge Fund with £1 billion under management. As a Backend … flexibility to work from home most of the time, meeting up with the team in North London on Thursdays. About you: You have advanced C# .Net coding skills You have a good understanding of modern SQL database solutions You have experience of working in small teams and across the … Winter skiing trips and Summer weekends away Apply now to find out more about this Backend Software Engineer/Developer (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 more »
Employment Type: Permanent
Salary: £100,000 - £120,000
Posted:
C# Software Engineer
London
10th Percentile
£80,250
25th Percentile
£82,500
Median
£90,000
75th Percentile
£150,000
90th Percentile
£183,750