1 to 25 of 28 Senior C# .NET Developer Jobs in the UK

Join to apply for the Senior .NET Developer, C#, Azure, Terraform, Lead Developer role at Experis UK 1 week ago Be among the first 25 applicants Join to apply for the Senior .NET Developer, C#, Azure, Terraform, Lead Developer role at Experis … , you will play a crucial role in creating high-quality, scalable, and resilient solutions while mentoring junior team members and supporting existing initiatives. Responsibilities Create and adapt new C#/.NET Core services to meet evolving business requirements. Mentor and coach existing team members through pair programming, peer reviews, and team talks, helping them improve their … C#/.NET Core skills. Support and enhance current systems and initiatives during office hours, ensuring that service level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new More ❯

Senior C# .NET Developer - FinTech - Remote or Hybrid The Opportunity We're delighted to be working with our prestigious FinTech client who are seeking an exceptional Senior C# .NET Developer to work on their proprietary software within their well established team. Our client delivers cutting-edge … UK's largest financial services companies and has established themselves as a key player in the FinTech space. This is a fantastic opportunity for an experienced Senior C# .NET Developer with good object-oriented analysis and design skills, familiarity with design patterns and practices to work for an award winning company. . The … demeanor is key, as is the ability to champion the adoption of innovative technologies within the team. Experience Good knowledge of Microsoft development technologies Visual Studio 2022 onwards Strong C#/.NET experience Net/.Net Core Web API development experience API documentation generation tools Experience using IoC containers SQL Server experience Experience using Entity More ❯

The Role At TLA, our Software Developers are responsible for developing both internal and external facing systems, utilising the latest technologies. Our back-end technologies centre around C# and .NET and Microsoft SQL, however we have a broad range of technologies and systems so plenty to get your teeth into! We also follow a modern approach to … be a data-first company, providing teams with the insights they need to drive growth and innovation. What You'll Need to Succeed in the Role: • Strong experience in C# and .NET • Good SQL knowledge working with SQL Server • A passion for learning and self-development. Nice-to-Have Skills While not required, experience with any of More ❯

Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer – who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and … C# .net framework coupled with SQL Server. Ability to own and drive forward Omni channel technical solutions and technical architecture from an IT perspective (with direction from Head of IM, Consumer & Brands) o Ownership of FM Digital Technical architecture including the ongoing review of overall FM Omni technical design, structure and future-fit. Project lead on any … business acumen, and customer focus. · Provide governance for troubleshooting complex system issues as necessary · Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. · Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior More ❯

Social network you want to login/join with: Sr. C#.Net (core) developer to support support team in delivering bug/fixes, operational enhancements, and new functionality to existing in-house software, London col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other - EU work … permit required: Yes col-narrow-right Job Reference: ddd7fb030e85 Job Views: 3 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Our valued client is looking for a Sr. C# .Net (core) developer to support support team in delivering bug/fixes, operational enhancements, and new functionality to existing in-house software This is a … Solutions Support team(s) and contribute to Level 3 Support activities for Incident and Problem resolution as required Must have: 7+ years’ experience building APIs and web applications in C# (.netcore) 5+ years’ experience programming for SQL Server and EF Core 3+ years designing, coding, and testing single-page applications utilizing the Angular v4+ framework, utilizing Bootstrap v4/ More ❯

Senior Software Developer - Logistics - C#.Net/.Net Core/Cloud Computing Up to £68,840 per year + bonus Hybrid - 1 day per week YourCode Recruitment is proud to be working with an established software house that is building logistics software, used by millions of consumers across the UK&I. Our client has been … has built a number of high performing cloud based systems that integrate with 3rd party software to improve efficiencies of logistics. Our client is looking to hire X2 Senior Software Developers to join their Engineering teams based in West Yorkshire. This role can be done on a remote-first basis, but visits to the office 1 per week … are contracted for project meetings. Duties: Working as a Senior Developer to deliver software solutions and assist in the development of new software based on customer requirements. Modifying existing software platforms to fit around new technologies and 3rd party integrations Be involved in Unit Testing Support lead developers with coaching juniors around specific technologies Technologies used More ❯

Job Description Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer - who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with … Java and C# .net framework coupled with SQL Server. Responsibilities: Ownership of FM Digital Technical architecture including the ongoing review of overall FM Omni technical design, structure and future-fit. Project lead on any future re-platforming for FM.com. Be the technology lead managing the 'day to day' from a technical perspective. Ensure all technical solutions are … business acumen and customer focus. Provide governance for troubleshooting complex system issues as necessary. Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: 5+ years of senior More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we'd like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in the offices, 2 from home. Salary … Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+) - MySQL - GitHub More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in the offices, 2 from home. Salary … Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+) - MySQL - GitHub More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we'd like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in the offices, 2 from home. Very … Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+) - MySQL - GitHub More ❯

Are you an experienced .Net (C#) Developer, looking to take on a Lead Software Engineering role in a growing SaaS product company ? Keen to grow your technical skills around .Net 8, assist the CTO directly with the adoption of the latest AI/LLM dev tools (Cursor, v0) & act as lead/mentor … d like to join a growing, recently invested in, actually bringing offshore, back onshore, UK Software company – we’d like to speak with you! Job title: Lead Software Developer or Senior Software Developer looking for a step up to Lead. Location: Banbury, Oxfordshire. 3 days a week in the offices, 2 from home. Very … Scrum Master, excellent technical product team & obviously software engineers in your team. Our tech stack, below. But, in the main, if you have solid experience in .Net (C#) at a senior or lead level, please get in touch! - C#/ASP.NET (Core & Framework) and modern JavaScript/TypeScript frameworks, particularly Angular (v8+) - MySQL - GitHub More ❯

you want to advance the world of fintech, we’d like to ask you: Are you FIS? About the role: We are looking for an experienced Senior C# .NET Developer to help grow and enhance our PTP software platform. The candidate will work on strategic enhancements to the platform as well as on … a leading-edge, cloud-based Securities Processing solution that provides trade lifecycle processing for a wide range of global financial institutions. About the team: As a Senior C# .NET Developer, you’ll be part of our PTP Platform development group. The group is broken into smaller scrum teams that each hold responsibility for … functionality. You’ll become involved with all phases of the development lifecycle and take ownership of key functional areas. What you will be doing: As a Senior C# .NET Developer, you will be involved in: Analysis of user requirements and translation into solution design using the most appropriate technique for the job (including More ❯

you want to advance the world of fintech, we'd like to ask you: Are you FIS? About the role: We are looking for an experienced Senior C# .NET Developer to help grow and enhance our PTP software platform. The candidate will work on strategic enhancements to the platform as well as on … a leading-edge, cloud-based Securities Processing solution that provides trade lifecycle processing for a wide range of global financial institutions. About the team: As a Senior C# .NET Developer, you'll be part of our PTP Platform development group. The group is broken into smaller scrum teams that each hold responsibility for … functionality. You'll become involved with all phases of the development lifecycle and take ownership of key functional areas. What you will be doing: As a Senior C# .NET Developer, you will be involved in: Analysis of user requirements and translation into solution design using the most appropriate technique for the job (including More ❯

We are looking to recruit an experienced Senior .Net/C# Developer who ideally has also worked with .Net Core. You will also have experience developing Restful Microservices. Experience deploying software in a Public Cloud ( Azure) environment to be deployed as SaaS would be an advantage. My client is a market … a Cloud based SaaS environment. This is an opportunity to be involved in what is a key transformation of their solutions as a Senior .Net C# Developer. This is an opportunity to join an organisation with an excellent reputation as an employer who invests in the training and development of their people and will promote … internally whenever possible. We are looking to recruit an experienced Senior .Net/C# Developer who ideally has also worked with .Net Core. You will also have experience developing Restful Microservices. Experience deploying software in a Public Cloud ( Azure) environment to be deployed as SaaS would be an advantage. My client More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) 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 and progression? As … a Senior C# Developer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure software is delivered to schedule. There's a host of new … from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge More ❯

Summary: A boutique prop trading firm with a strong focus on high quality technology and systematic and quant trading models are looking for a Senior C# Developer to join their small, agile, London-based team. With zero red tape or bureaucracy often associated with bigger buy-side firms and investment banks, this London-based team … of engineers, researchers, modellers and traders know how to get things done in a cutting-edge market. Working next to the business, the successful C# Developer will be working with vast, complex data sets, and will be building algorithmic trading models and infrastructure in C#/.NET Core and SQL, directly with London-based … quants and traders. Requirement s: Degree-level education in STEM subject, preference for Computer Science Strong programming experience in C# and SQL Experience with vast data sets with SQL (or equivalent) Experience in multi-threaded environments and networking (TCP/UDP) desired but not essential Benefits: Market-leading compensation including competitive annual bonus in London Greenfield projects available with More ❯

stack includes some of the latest design patterns and tools as well as established tech that needs additional features building on. For example, SQL, NoSQL, caching services, messaging services, C# Windows Services, WebAPI, WCF, WPF, Winforms - all used to build a groundbreaking platform that has integration to internal and external services. Job Duties Design, develop, and maintain software applications … using C# and other technologies Write clean, maintainable, and scalable code that meets the requirements of the project Debug and resolve software issues, including fixing bugs and optimizing performance Collaborate with cross-functional teams, including Designers, Testers, and Project Managers, to deliver high-quality software Participate in code reviews and provide constructive feedback to peers Implement and follow software … and maintenance of technical documentation, including user manuals and help systems Mentor Junior Developers and assist with their professional development. Knowledge, Skills and Experience Existing .NET with C# development experience working on commercial systems Awareness of design patterns and principles and be hungry to learn! A good grounding in C# OOP programming Keen attention to detail More ❯

Senior C# Developer/Software Engineer (C# .Net API AWS) Sunderland/WFH to £80k Are you a Senior C# Developer with backend expertise and a good knowledge of AWS? You could be progressing your career in a hands-on technical leadership role at a growing games … inner city parking Free tickets to EFL matches Hybrid working (x3 days a week office) Family friendly policies Social events and more! Your role: As a Senior C# Developer you'll take a lead, hands-on role in an Agile team (which you'll help to grow) developing game mechanics into readily deployable APIs with … resilience. You'll work across the full software development lifecycle, from inception through to release, building highly available applications using a range of technologies with a focus on backend C#, T-SQL, Redis and AWS.You'll provide mentoring and technical guidance to the team with a focus on delivery, whilst remaining hands-on and leading technical discussions and decision More ❯

Senior C# Developer/Software Engineer (C# .Net API AWS) Sunderland/WFH to £80k Are you a Senior C# Developer with backend expertise and a good knowledge of AWS? You could be progressing your career in a hands-on technical leadership role at a growing games … inner city parking Free tickets to EFL matches Hybrid working (x3 days a week office) Family friendly policies Social events and more! Your role: As a Senior C# Developer you'll take a lead, hands-on role in an Agile team (which you'll help to grow) developing game mechanics into readily deployable APIs with … resilience. You'll work across the full software development lifecycle, from inception through to release, building highly available applications using a range of technologies with a focus on backend C#, T-SQL, Redis and AWS.You'll provide mentoring and technical guidance to the team with a focus on delivery, whilst remaining hands-on and leading technical discussions and decision More ❯

in Cambridge (2/3 days onsite) You’ll be a good fit if You are an experienced .NET developer that is highly proficient in C# You can demonstrate that you can write clean, maintainable code You have excellent communication and interpersonal skills You have worked on a large code base; collaborating with others in … can work independently Key Duties and Responsibilities The successful candidate will: Develop new features and products working from customer requirements. Produce clean, maintainable, and well tested code (primarily in C#). Employ best practices (and help to maintain them through technical reviews and mentoring). Analyze problems discovered by QA or product support and develop solutions. Minimum Education/… related field) Significant professional software development experience and experience of modern software development methodologies. Preferred Qualifications and Skills Successful candidates must have A high level of technical competency in C# and the .NET framework Understanding and experience of applying modern software best practices An ability to design and write clean, maintainable code. Excellent communication and interpersonal skills More ❯

Social network you want to login/join with: Senior C# Developer .Net AWS - FinTech, slough col-narrow-left Client: Client Server Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: Senior C# Developer/Software Engineer (C# .Net AWS Python) 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 and progression? As a Senior C# Developer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure software is delivered to schedule. There's a host of new features and More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) 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 and progression? As … a Senior C# Developer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure software is delivered to schedule. There's a host of new … from home three days a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge More ❯

Social network you want to login/join with: col-narrow-left Client: S.i. Systems Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 949f7fad5f6f Job Views: 4 Posted: 29.06.2025 Expiry Date More ❯

This role will suit a Cambridge-based C# developer keen to work on the latest C# ASP.NET server-side code. This is a live, high-traffic system used by industry specialists at major companies. The company focuses on development practices that help productivity over red tape. They are profitable with a long history and are investing … monthly pub lunches for those who'd like them. To apply, you'll need a CV showing your: Significant commercial (or equivalent) experience as a developer using C#, ASP.NET (preferably ASP.NET Core MVC) and developing web APIs (preferably RESTful), using productive agile methods. Strong academic qualifications, or equivalent commercial experience. Full existing work permission for the UK More ❯

Senior C#.NET Developer … Front Office The Front Office (Fixed Income) software development team requires an agile and versatile specialist who is a team player with extensive expertise in .NET/C# software development. The role demands an experienced individual comfortable working closely with a variety of front office stakeholders globally. Role Details Title: Senior Developer (Software … Engineer) Technical Stack: C#.NET, .NET Core, SQL Server Type: Permanent Salary: £88,000 - £110,000 Location: London City and hybrid home working Focus: Front Office Fixed Income Role Summary Work closely with the Front Office (specifically within Fixed Income) to build and develop innovative software solutions. Reporting directly to the Head of Fixed Income IT Development, this role More ❯