151 to 175 of 232 C# Jobs in the Thames Valley

Software Developer/Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of technologists and finance professionals to develop … minimum 2.1 in a STEM 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 a strong knowledge of SQL databases You … s ambassadorship with AMOS Bursary Various other social groups including sports teams Private healthcare and wellness activities Apply now to find out more about this Software Developer/Engineer (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're an equal opportunities employer whose More ❯

across complex systems. You’ll play a key role in ensuring scalability, stability, and reliability of business-critical application Key requirements: Proven experience in UI automation using Selenium with C#/.NET. Strong background in load and performance testing with JMeter. Skilled in designing, executing, and analyzing performance test cases. Proficient in Zephyr for Jira for test management and defect More ❯

with direct ownership of RFx processes and multiple successful £5m+ bids Broad architecture experience across cloud platforms, application integration, and modernisation strategies Strong technical foundation in backend engineering (Java, C#) and modern application development practices Consultative selling expertise with ability to shape client requirements and drive solution differentiation Exceptional presentation and stakeholder management skills - comfortable influencing procurement committees and technical More ❯

.NET Developer, .NET 9, C# - Digital Download Site - Witney (Tech stack: .NET Developer, .NET 9, C#, Winforms, WPF, iOS, Android, Mobile, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become a major player within the digital download arena. In addition to an award winning website they have launched mobile apps for … technical team. We are looking for .NET Developer who are ambitious about building a quality service which brings delight to their users. .NET Developer should be experienced in: .NET, C#, Winforms or WPF and Azure SQL. We are keen to hear from candidates with any mobile development experience (iOS or Android). You will be trained in all aspects of More ❯

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars!)? You could be joining a rapidly scaling FinTech start-up based in Newcastle, progressing … experience. As a Senior 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, this is a great opportunity to be involved from the ground up and progress your career. Location: You … backed by A*s and As 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 of benefit You have a strong knowledge of modern software engineering best practices and have experience across the full software development lifecycle You More ❯

Lead .NET Developer | Legacy to Modern | C#, .Net | SaaS Data A fast-growing SaaS business is investing heavily in its tech platform and building out a senior engineering hub in London. They’re on the lookout for a .NET Specialist to help drive modernisation, set technical direction, and mentor squads as they scale. This isn’t a “heads down coding … for the future. Expect to spend plenty of time coding, alongside leading migrations and mentoring engineers. What you’ll be doing: Own design + build of complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Influence the technical roadmap across multiple squads Partner with QA … across IIS + AWS Mentor developers through code reviews and architectural guidance Optimise SQL/T-SQL performance for production systems What we’re looking for: Strong background in C# and modern .NET Core Comfortable balancing legacy upkeep with platform modernisation Confident with IIS, AWS, TeamCity, Octopus Deploy, SQL Server Bonus points for exposure to Angular or Telerik libraries Experience More ❯

C# Software Engineer – Greenfield Digital Programme Location: Remote- Once a month in Milton Keynes Salary: Up to £60,000 + Excellent Benefits We’re working in partnership with a leading consultancy who are supporting a household brand who work in the financial services space. We’re on the lookout for a talented C# Software Engineer to join a brand-new … work across the full SDLC. What We’re Looking For A strong communicator and a true team player, you'll bring experience in most of the following: Tech Stack C# .NET Core Web API Docker/Kubernetes AWS or Azure Git SQL/NoSQL Ways of Working Agile/Scrum TDD, CI/CD, DevOps SOLID principles RESTful API design More ❯

3D smart-city application. Collaborate with surveyors, architects, and engineers to transform complex data into immersive visualisations and scalable tools . Work with modern technologies such as Unity 2022+, C#, PostgreSQL/PostGIS, Azure DevOps, and Cesium for Unity , delivering solutions that support smarter, more sustainable cities. The Role This position offers the opportunity to design and develop advanced applications … that drive urban innovation. Responsibilities include: Designing and developing backend, desktop, and web applications. Building and maintaining RESTful APIs and microservices. Writing clean, efficient, and scalable code in Unity, C#, JavaScript, and TypeScript. Developing spatial databases and optimised queries using PostgreSQL/PostGIS. Supporting full testing cycles, product upgrades, and change management processes. Collaborating with cross-functional teams to deliver … robust, future-ready solutions. What They’re Looking For Strong Unity development experience, including URP/HDRP pipelines, Addressables, and Job System . Skills in C# (.NET 6/8), Cesium for Unity, PostgreSQL/PostGIS, and Entity Framework Core . Familiarity with modern frontend frameworks such as React with TypeScript . Strong Agile, DevOps, and CI/CD experience. More ❯

thrives in a high-trust, collaborative environment. WHAT YOU WILL DO Develop and maintain back-end services, APIs, and integrations for the Connect platform Write clean, efficient, and testable C# code that performs at scale Contribute to the design and evolution of Connect’s architecture, working closely with architects and senior engineers Collaborate with front-end developers, QA, and product … tests within our CI/CD pipeline Contribute to technical planning, estimation, and documentation Continuously improve our development processes and engineering standards WHAT YOU’LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding of modern back-end architecture – including microservices, APIs, and messaging … able to work well across disciplines Bonus: experience with identity systems (e.g. Microsoft Entra ID/Azure AD), SSO, or HRIS integration OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric, Kubernetes Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that’s transforming how the frontline workforce connects Help shape More ❯

rapid growth and are partnering with major clients within their industry. They now have an exciting opportunity for a Software Developer skilled across the Microsoft Tech Stack - .NET Core, C#, ASP.NET, SQL, and Azure. The successful candidate will be working across the whole SDLC from inception through to design, implementation and deployment of their SaaS platform. This role is mostly … onsite so candidates must be willing to travel to Milton Keynes a minimum of four days a week. Experience we're looking for: .NET Framework - C# .NET, .NET Core, ASP.NET Core Entity Framework Core Azure Cloud - Azure DevOps JavaScript RESTful APIs/Web APIs Git Benefits Package Competitive Salary (DOE) Flexi-hours Private healthcare Company car scheme Social events and More ❯

development lifecycle - from design and build through to deployment and optimisation - using the latest Microsoft and web technologies. What you'll be doing Developing robust, high-quality applications using C# and .NET Designing, building, and optimising databases in SQL Server Building responsive web interfaces using Angular , HTML , CSS , and TypeScript Integrating and maintaining Web API services Ensuring security best practices … OWASP) are followed throughout the codebase Continuously learning and adopting new technologies and frameworks What we're looking for Strong commercial experience in C#/.NET development Solid understanding of SQL Server and database performance tuning Front-end experience with Angular and modern JavaScript frameworks Experience building and consuming RESTful APIs Awareness of application security and secure coding practices A More ❯

+ Bonus + Hybrid Location: Central London (Hybrid: one a fortnight onsite) Salary: £95,000–£120,000 + performance bonus + excellent benefits Tech: .NET 8, C#, AWS, Microservices, REST APIs, SQL, CI/CD, Docker/Kubernetes The Opportunity We are partnering with a high-growth SaaS organisation in Central London that is scaling its cloud-based platform and … As a Lead .NET Software Engineer, you will combine hands-on technical expertise with leadership responsibilities, including: Designing and leading the development of scalable backend services using .NET 8 (C#) Architecting cloud-native microservices and distributed systems on AWS Driving engineering standards, best practices, and technical excellence across teams Leading architectural discussions and guiding long-term technical strategy Collaborating with … complex engineering challenges. You’re comfortable taking ownership of architecture and delivery while empowering others to do their best work. You’ll bring: 8+ years of commercial experience with C#/.NET Core/.NET 6+ Proven experience designing and building distributed, microservices-based systems Deep understanding of AWS (ECS, Lambda, EventBridge, DynamoDB, S3, etc.) Strong background in API design More ❯

Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and visualisation for … Power, Gas and Weather. Key Requirements - 15 year+ experience - Strong .Net/C# - Strong SQL Server - Strong Azure Cloud experience Ideally, you will have worked with modelling of commodities, ideally energy (power, gas, environmental products). This needs combining with a positive attitude and an ability to work within a large, globally dispersed project team in a multi-cultural environment. More ❯

Junior Software Engineer Trading Systems £80,000 Plus Bonus + yearly Ski Trip Quant Capital is urgently looking for a C# Developer with experience of Trading or Financial Services to join our high profile client. I am looking at junior engineers keen on learning back office and settlement systems before moving into trading development. Our client is a well known … a unique opportunity for an ambitious candidate to get experience in a software engineer role within the Trading team, focusing on building, enhancing and maintaining the Algorithmic Product suite. C# Developers MUST have: · STEM Degree from a top UK or US School · Experience of Financial Services technology · Strong C# · 2 A’s at A level (A*s if more recent … much so if you are looking to trade in the future this is an opportunity to experience trading infrastructure in a small business. My client is based in London C# Engineering, Developer, C# Server Side, Multiuthreading, C++. , OO Development Developer C# C++ SQL SQL 2008 Quant Trader Bank C# winforms More ❯

Proven experience in DocuSign CLM system administration within an enterprise environment. Strong background in creating and maintaining advanced DocuSign CLM workflows and document generation processes. Hands-on experience with C# snippet coding within DocuSign workflows. In-depth understanding of DocuSign CLM security models, access management, and privacy/security best practices. Demonstrated experience configuring integrations with third-party systems such More ❯

Required Qualifications Senior level software engineering competency, with strong full-stack experience. Proficient in .NET/C#, JavaScript, Azure SQL (MSSQL). Proven experience developing APIs and UI components in distributed systems. Experience working with pipelines that power mission-critical financial transactions. We're building modern, cloud-native systems using .NET/C#, Azure SQL, and Vue.js, with a strong More ❯

Senior Software Developer London – Twice a week in the office £70,000-£90,000 C#/Python/Azure I’m currently working for a well-established tech consultancy business of over 70 years who are based in Central London and looking for a Senior Software Developer , paying up to £90,000 and requiring office working of twice a week. … across their 3 offices and in-role you will be working on the continued development of one of their key platforms. You will mainly work on the backend with C# (and ideally Python), developing new features in an Agile environment while also working extensively with Azure. You’ll work collaboratively with different teams across the business and also get the … they really encourage across their tech teams! The office is based in Central London, and they are looking for office working of 2 days a week! Technical Requirements: Strong C#/.Net experience – they use .Net 8 on this project. Ideally have worked with Python which is used across the business. Good understanding of the Azure toolset – Functions, Services, SQL More ❯

that serve both public-facing and internal users. Key Responsibilities Enhance and modernize large .NET systems for performance, reliability, and scalability Lead architecture and development of backend services using C#, ASP.NET, .NET Core Automate infrastructure, CI/CD pipelines, and cloud operations (AWS/Azure) Promote engineering best practices, security, and observability Mentor engineers and foster a culture of continuous … improvement Contribute to technology direction, including adoption of tools like Go and Python What We’re Looking For Deep expertise in C#, .NET Core, ASP.NET Cloud experience with AWS (Lambda, DynamoDB) or Azure + DevOps Proficiency with IaC tools like Terraform Strong grasp of modern dev methodologies and design patterns Exposure to containerization and CI/CD tooling Bonus: Familiarity More ❯

successful Senior Software Developer will join a small but extremely talented development team. 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 allow you to make your own mark on the development process early on. You will be … The company operate within the sports trading industry so any candidate applying must be happy to work in this area. This is predominantly an office-based role. Skills required: C# Worked with the latest version of the .NET platform Database experience - SQL Server, oracle or equivalent Reporting/Analytic knowledge Angular, TypeScript Excellent communication skills both written and verbal High More ❯

wants to shape the future of a platform used by global clients. What you’ll do as Senior Software Engineer: Lead the design and delivery of backend systems using C#, .NET, Azure, and CosmosDB Build robust APIs that power integrations across the platform Own system health and resilience, solving production issues before they escalate. Drive architectural decisions and set technical … deliver impactful solutions Influence hiring and onboarding to help scale a high-performing engineering culture What experience you’ll bring: 5+ years building complex backend systems Deep expertise in C#, .NET, and cloud platforms (Azure preferred) Experience with microservices, serverless architecture, and secure API development Strong DevOps mindset with CI/CD, observability, and automation skills Proficiency in SQL and More ❯

at enterprise scale, think architecturally, and deliver under pressure in complex technical environments. Tech Stack & Environment You’ll work across a diverse range of modern technologies, including: Core languages: C#, Python, Rust Front end: JavaScript/TypeScript/Angular/RX JS Infrastructure: Kubernetes, containers, DevOps, CI/CD Emerging tech: WebAssembly, AI integration, and AI frameworks Systems: Cross-platform … environments This is a genuine technologist’s role — building critical software that combines engineering precision, scalability, and innovation. What We’re Looking For Very strong expertise in one of C#, Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance More ❯

non-technical stakeholders Proven ability to deliver projects from inception to completion while maintaining high technical standards Adaptability to new tools, technologies, and methodologies Solid technical skills in: .NET (C#) Unit & integration testing CI/CD pipeline development (GitHub or similar) AWS services (IAM, Lambda, API Gateway) Angular, REST APIs, Web API development SpecFlow (BDD), Postman, OpenAPI MS SQL Server … Technical Team Lead/Development Manager/Engineering Manager/Lead Software Engineer/Platform Engineering Lead/.NET Developer/AWS Developer/Solutions Architect/.NET/C#/AWS/Angular/REST APIs/MongoDB/Docker/CI/CD/MS SQL Server/Scaled Agile/BDD/CQRS/Event-Driven Architecture More ❯

contract basis. You'll be working on critical middle and back-office systems that support trading and operations functions. Key Responsibilities Design, develop, and maintain full stack applications using C# backend and React frontend Build and enhance middle and back-office systems supporting fund operations Collaborate with business stakeholders including fund accounting, operations, and trading teams Develop scalable, high-performance … solutions for financial data processing Participate in code reviews and maintain high development standards Required Skills & Experience Strong proficiency in C# .NET (Core preferred) for backend development Solid experience with React and modern JavaScript frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and More ❯

We're seeking a Quality Engineer with hands-on experience in C#, Visual Studio, and the Microsoft tech stack. If you have experience testing both frontend and backend systems and enjoy driving automation and quality in a fast-paced, collaborative environment, wed love to hear from you! We are Preservica, and our active digital preservation solutions are at the razors … Quality Assurance Engineer role offers hybrid working , with flexibility to work from home and 1-2 monthly office days. Key Responsibilities Enhance and maintain our test automation framework using C# and Playwright (transitioning from Selenium). Write clean, maintainable test scripts using Gherkin syntax and ReqNRoll. Participate in Agile ceremonies, story reviews, and provide early feedback on testability and quality. … Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience). 2+ years of experience in software testing with a strong focus on automation. Proficient in C# and test automation tools (Selenium, Playwright). Solid understanding of Agile/Kanban methodologies and shift-left testing practices. Strong knowledge of API testing and backend validation. Familiarity with performance More ❯

Experience • Experience in Development/Configuration/solutions evaluation/Validation and deployment • Hands on experience writing plugins, workflows, JavaScript’s, dialogs etc. • Excellent Analytical and Communication skills • NET, C#, JavaScript experience a plus/• Working knowledge of CRM’s interoperability capability with MS Office, MS Office 365, SharePoint, Azure and MS BI Stack • C#/VB.net, ADO.Net, XML, T More ❯