1 to 25 of 56 C# Software Engineer Jobs in London

Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk … Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or More ❯

Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk … Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or More ❯

Senior Full Stack Software Engineers with a background in software development using C#/.NET and Blazor OR Angular are required by this major client, to join their teams in Glasgow who build a range of products to support one of their core business functions. To secure one of these Senior Software Engineer roles you must come from a Software Development background and be able to demonstrate the following experience: Be a subject matter expert in full stack C#/.Net Core. Must have hands on experience in Front End development using Blazor, Angular OR React Demonstrable experience building distributed systems and secure products at scale. Have a … the chance to work on a wide range of in house and client facing applications as part of one of their small Agile Squads using the latest versions of C#, .NET on the Azure Cloud. IND_PC2 Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. #J-18808-Ljbffr More ❯

Social network you want to login/join with: Senior .Net C# Software Engineer - Global Energy Co, London Client: Eaglecliff Recruitment Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 2 Posted: 27.06.2025 Expiry Date: 11.08.2025 Job Description: Exciting opportunity for a Senior .Net C# Software Engineer … Requirements – Essentials 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. Strong proficiency in back-end development using C# and .NET Core 5/6. CI/CD pipeline experience, using GitHub Actions or Azure DevOps. Database development skills in SQL, NoSQL, and cloud-native data stores. Front More ❯

Senior) Software Engineer C# & .NET d/f/m Join to apply for the (Senior) Software Engineer C# & .NET d/f/m role at RWE (Senior) Software Engineer C# & .NET d/f/m 1 week ago Be among the first … applicants Join to apply for the (Senior) Software Engineer C# & .NET d/f/m role at RWE RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent Functional area: IT/… trading and analysis communities as well as support functions and will become an ever increasing asset across the group in the future. You will work apply your expertise in C# and .Net to build robust data services within the Mix system and help us future proof our architecture from a security and technological perspective . This role is perfect More ❯

Social network you want to login/join with: Snr Software Engineer - Full Stack (C# .Net) (Remote in the United Kingdom), London col-narrow-left Client: KnowBe4 Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: db1ac7baf1a8 Job Views: 22 Posted: 22.06.2025 Expiry Date: 06.08.2025 col-wide … for KnowBe4’s customers, alongside other engineers in a fast-paced, agile development environment. To learn more about the product this position deals with - click here: Responsibilities: Develops software using the KnowBe4 Software Development Lifecycle and Agile Methodologies Recommends solutions to engineering problems Assist other team members by providing technical direction Defines approaches and solutions to … cloud-native infrastructure in a CI/CD environment. 3-5+ Years of experience working in a compiled programming language Solid hands-on Object-Oriented Programming (OOP) experience C# .Net Solid understanding of software design patterns (best practices) and anti-patterns Solid hands-on experience implementing REST and/or GraphQL based micro-services Able to More ❯

Join to apply for the Software Engineer (.NET, C#) role at alteam Join to apply for the Software Engineer (.NET, C#) role at alteam Get AI-powered advice on this job and more exclusive features. This range is provided by alteam. Your actual pay will be based on your skills … and experience — talk with your recruiter to learn more. Base pay range $65,000.00/yr - $75,000.00/yr Job Title : .NET & C# Backend Developer Location : Remote (US time zone preferred) Type : Full-Time | Contractor or Employee Start Date : ASAP Project : 6-12 montsh for a fast-growing US SaaS scale-up About Us Alteam is more than … opportunities. Our collaboration with various organizations allows us to build teams that are skilled and adept in agile delivery standards. The Role We’re looking for a skilled .NET & C# Backend Developer to join our team and contribute to the ongoing development of our SaaS platform. You will work directly with our Tech Lead to build new backend functionality More ❯

and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a … Software Engineer 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 to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯

Senior Software Engineer C# .Net - relocate to Newcastle! This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Senior Software Engineer/Developer (C# … Software Engineer, you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment, using the latest versions of C# .Net to produce high-quality code. The company has ambitious growth plans, and this is a great opportunity to be involved from the ground up and advance your career. … Group university, backed by A's at A-level. You're a technologist who enjoys collaborating and problem-solving, working on complex, distributed systems. You have expertise with modern C# .Net Core; Python skills would also be beneficial. You have a strong knowledge of modern software engineering best practices and experience across the full software More ❯

Social network you want to login/join with: Software Engineer (.NET C#), south west london col-narrow-left Client: TransPerfect Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: We’re looking for a … Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. If you’re ready to … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience More ❯

We’re looking for a Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. … potential threats Develop automation tests/collaborate with automation engineers to ensure business needs are met, and allow for regression testing Work closely with users to provide personalized software support as needed Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure Document application support and operational procedures Mentor junior engineers and provide technical … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience More ❯

We’re looking for a Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. … potential threats Develop automation tests/collaborate with automation engineers to ensure business needs are met, and allow for regression testing Work closely with users to provide personalized software support as needed Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure Document application support and operational procedures Mentor junior engineers and provide technical … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience More ❯

Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage … Software Engineer 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 to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯

Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage … Software Engineer 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 to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯

of exciting projects, including playing a key role in the launch of a brand-new mobile app scheduled for September 2025. The successful candidate will bring deep expertise in C# development, cloud infrastructure, and AI technologies, contributing to the business' ongoing digital evolution. Main Purpose of the Role:Lead backend development and play a key role in the mobile … technical solutions.Manage multiple projects simultaneously within a fast-paced FinTech environment. What They Are Looking For:7+ years of senior-level software development experience.Deep commercial experience with C# development.Strong knowledge of AWS cloud services and infrastructure.Proven experience with CI/CD pipeline development and deployment automation.Experience contributing to mobile app development projects.Keen interest and practical experience in … environment.Opportunity to directly contribute to the delivery of a major FinTech mobile app launch. Apply today to be considered for this fantastic Senior Software Engineer (C#) opportunity. Interviews are taking place shortly! Keywords: Senior Software Engineer, C#, AWS, AI, Artificial Intelligence, CI/CD, Cloud Infrastructure, Mobile App Development, Backend More ❯

Endeavour Recruitment has an exciting opportunity for a skilled C# Software Engineer with WPF and MVC/MVVM experience to join our client. Our client has a site in Bristol and Sutton in Surrey, so either location is fine for a Hybrid worker, and they would also consider fully remote for the right person. Our … client provides award-winning products, solutions, and services powering enterprise software for hundreds of clients across four continents and fourteen countries. They have a world-class component content management platform as well as creating the documentation, online help, visual media, training materials, and other types of content required to compete at the highest level. The role: To develop … improve the development process. Learn new technologies and keep abreast of existing technologies. Work with QA and operations teams to identify and resolve customer issues. Skills: Developing applications with C#/.NET web and back-end functionality using Microsoft Visual Studio. Developing solutions with the Windows Presentation Foundation (WPF) framework for desktop applications. .NET, WPF, PRISM, Unit Testing, Async More ❯

Principal Software Engineer -C#/.Net,React Introduction: Are you searching for an opportunity to play a key role in driving the dramatic growth of a highly successful software company? At Poppulo, we're working on what's next in communications and workplace technology. As a pioneer in this industry, we understand that … Experience or enthusiasm for AI technologies, especially Large Language Models (LLMs), generative AI, or agentic coding tools, is strongly preferred. Key Responsibilities: Drive the migration and modernization of existing C#/.NET-based integration services to a contemporary web stack (TypeScript, NodeJS, React). Develop, maintain, and enhance scalable integrations and APIs to facilitate seamless third-party data exchange. … in integration and data transformation. Proven ability in migrating legacy systems to modern technology stacks. Practical experience or strong enthusiasm for AI and generative technologies. Strong experience with both C#/.NET and modern web technologies (TypeScript, NodeJS, React). Proficiency in relational databases (MS SQL) and data integration methodologies. Experience developing APIs and working with diverse third-party More ❯

of exciting projects, including playing a key role in the launch of a brand-new mobile app scheduled for September 2025. The successful candidate will bring deep expertise in C# development, cloud infrastructure, and AI technologies, contributing to the business' ongoing digital evolution. Main Purpose of the Role:Lead backend development and play a key role in the mobile … technical solutions.Manage multiple projects simultaneously within a fast-paced FinTech environment. What They Are Looking For:7+ years of senior-level software development experience.Deep commercial experience with C# development.Strong knowledge of AWS cloud services and infrastructure.Proven experience with CI/CD pipeline development and deployment automation.Experience contributing to mobile app development projects.Keen interest and practical experience in … environment.Opportunity to directly contribute to the delivery of a major FinTech mobile app launch. Apply today to be considered for this fantastic Senior Software Engineer (C#) opportunity. Interviews are taking place shortly! Established in Didsbury, Connexa Technology Ltd is becoming one of the UK's fastest growing IT and Technology recruitment companies. People. Technology. Connected. More ❯

Job Description The Role Trayport is actively looking for a Senior Software Developer to join our team for the design and development of our flagship data analytics platform where you will contribute to System Architecture, aid colleagues to help coordinate our projects and review code too. Our platform ingests hundreds of millions of data points every day and … movements. We process real-time market data feeds that together add hundreds of millions of data points to our dataset every day. We encourage ownership across the entire software lifecycle, and will value your input on each stage. We take an iterative approach to solve problems and continually improve our product. If you are interested in building customer … practices, we would love to hear from you. Responsibilities Contribute to System Architecture, Aid colleagues to help coordinate our projects Peer review code The Person Strong working knowledge of C# or Kotlin Experience writing efficient, concurrent .NET code Experience working on distributed systems Strong knowledge of Kubernetes and Kafka Experience with Git, and Deployment Pipelines Having worked with at More ❯

Software Engineer (C#/.Net Core) Fintech Location: Central London Hybrid role Salary - £50k - £60k C#, .Net Core, Blazor, Azure Neulinx has partnered with an innovative fintech startup at the forefront of AI-driven financial market analysis. They have an exciting opportunity for a Software Engineer (C#/.Net … a government grant, they are developing a groundbreaking platform that delivers real-time market insights and predictive analytics for financial professionals. As a Software Engineer (C#/.Net Core) are you ready to help develop and revolutionise the backend infrastructure of our client’s AI trading platform? Skills/Experience: • 1.5 years plus experience as … Software Engineer working with C#, .Net Core 7+, SQL. • Excellent written and verbal communication • Experience working with Entity Framework and API’s. • There may be some frontend work so experience working with Blazor is a bonus. • Familiarity with Agile methodologies • Experience of working with Azure or Cloud based technologies is a bonus. Benefits • Competitive Salary More ❯

Software Engineer (C#/.Net Core) Fintech Location: Central London Hybrid role Salary - £50k - £60k C#, .Net Core, Blazor, Azure Neulinx has partnered with an innovative fintech startup at the forefront of AI-driven financial market analysis. They have an exciting opportunity for a Software Engineer (C#/.Net … a government grant, they are developing a groundbreaking platform that delivers real-time market insights and predictive analytics for financial professionals. As a Software Engineer (C#/.Net Core) are you ready to help develop and revolutionise the backend infrastructure of our client’s AI trading platform? Skills/Experience: • 1.5 years plus experience as … Software Engineer working with C#, .Net Core 7+, SQL. • Excellent written and verbal communication • Experience working with Entity Framework and API’s. • There may be some frontend work so experience working with Blazor is a bonus. • Familiarity with Agile methodologies • Experience of working with Azure or Cloud based technologies is a bonus. Benefits • Competitive Salary More ❯

Join to apply for the Lead Software Engineer C# .Net Azure role at Free-Work UK 1 day ago Be among the first 25 applicants Join to apply for the Lead Software Engineer C# .Net Azure role at Free-Work UK This range is provided by Free-Work UK. Your … actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Lead Software Engineer/Developer (C# .Net 8 Azure) London/WFH to £110k Do you have expertise with C# .Net backend development combined with technical leadership skills? You could be progressing your career … hybrid work from home policy 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 a strong knowledge of Microsoft Azure, microservices and serverless architectures You have NoSQL database skills, they use CosmosDB so experience with that would be More ❯

reviews and knowledge sharing to maintain high-quality standards Tackle complex backend and infrastructure challenges with creativity and autonomy Essential 2–4 years of hands-on experience in software development, ideally in Go and either:Python, Ruby or C#. Experience deploying and managing applications with Kubernetes and Docker Strong working knowledge of relational databases (Postgres, MySQL, Clickhouse) Familiarity More ❯

Principal Software Engineer C# .Net Core Blazor Euston, London Contact Name: James Clarke Telephone: 01908 752385 Principal Engineer required to come in at the early stages of this next generation IT security Start-Up to join a small team of 5 in shaping the future for the entire software engineering department. … Based onsite a short walk from Euston, London station 5 days a week. We're looking for someone who: Cares deeply about producing high quality work with C# .Net Core and Blazor. Has spent at least a few years shipping software at some degree of scale and on critical systems. Ideally from a Product focused background and … their energy from getting things done and in the hands of customers but is also here to have fun along the way! Works the entire full stack, mostly in C# on .NET Core 8 but also Terraform and building out our frontend in HTMX. Salary of up to £100k plus share options and a generous package available in return More ❯

C# Software Engineer/Developer (Windows Desktop Trading Systems) London to £140k Are you a seasoned Software Engineer with strong C# desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management.As a C# … support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular.This is … flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code and a range of facilities. About you: You have strong C# desktop development experience on Windows within a banking or financial services environment You have a strong knowledge of SQL databases You have a good understanding of asset classes e.g. More ❯