51 to 73 of 73 C# Jobs in Doncaster

Full-time C# Developer - Energy Trading Systems (Remote/Brighton) Location: South-East/Brighton, UK (Remote with occasional Brighton visits) Boutique company seeks a talented C# Developer (10-15+ years .NET) to maintain and enhance a critical Position Management system for a major UK Energy Trading house. Front … Office experience, ideally in Energy (Gas & Power) or commodities, and direct interaction with Traders is key. Required: Strong C#, .NET 7/8, Microservices, XML/JSON/REST APIs, Webservices, Design Patterns, SQL Server, Azure (DevOps, Pipelines, Functions, Security), Git/GitHub, Docker/Kubernetes, CI/CD. Advantage More ❯

first architecture (with selective workloads on Azure and AWS). Responsibilities: Design, build and maintain internal tooling, CI/CD pipelines and APIs in C#/.NET. Evolve our cloud architecture on Google Cloud Platform for high-throughput, low-latency workloads. Implement infrastructure-as-code (Terraform/Bicep) and automated … features and migrations. Mentor engineers in clean code, SOLID principles and DevOps culture. Requirements: Extensive experience building backend systems and cloud tooling, primarily with C#/.NET. Hands-on experience designing GCP/Azure or AWS architectures. Proven ownership of CI/CD pipelines (GitHub Actions, Cloud Build, Azure DevOps … that cares about sustainable pace—minimal meetings, maximal impact. Cutting-edge tech, luxury-fashion creativity, and game-industry scale challenges combined. Tech Stack: Languages: C#/.NET (primary), Go, Python. Cloud: GCP (primary), Azure & AWS for specific workloads. Databases: PostgreSQL, MS SQL Server, Redis. Messaging: Pub/Sub, RabbitMQ, Azure More ❯

reliably. Key Responsibilities: Design, build, and maintain robust CI/CD pipelines to accelerate the software development lifecycle Develop internal tools and services in C# to support build automation, deployment, and testing Refactor and enhance existing codebases to improve stability, performance, and maintainability Automate environment provisioning for development, testing, and … align infrastructure and development workflows Minimum Qualifications: A degree in Computer Science, Engineering, or a related field, or equivalent experience Strong programming skills in C# and familiarity with object-oriented design principles Solid experience with DevOps practices and software delivery automation Hands-on experience building and deploying containerized applications (e.g. More ❯

an redesign and redevelopment of internal HR systems or working on AI driven solutions for both internal users and customers. Essential skills and experience: C# .Net JavaScript SQL Full stack development experience Nice to have skills and experience: Angular SQL Server AWS TDD Microservices We have a starting salary up More ❯

hiring for a full stack developer to join the team on a permanent, remote basis. Key skills for this role are knowledge of .Net, C#, Entity Framework, SQL server, API's and also an approachable manner in order to gather requirements from teams within the business. The Full Stack Developer … in-house monolith tool and breaking this down in micro-services. Day to day you will be developing web systems & integration's, working with C#, .Net & Razor Pages. Skills required for the Full Stack Developer are: - .Net Core C#, Entity Framework, LINQ, Razor Pages experience - Strong experience with API's … and integration - Experience working with monolith systems & microservices - Good communication skills and a self starter .Net/C#/Integration Developer Understanding Recruitment is acting as an employment agency for this vacancy. More ❯

developer, Systems engineer, ERP, Microsoft Great Plains Developer, NetSuite Developer, NetSuite systems engineer, Software engineer, technical consultant, GP developer, .NET, C-sharp, C Sharp, C#, AL programming, Microsoft BC, JavaScript, SQL, TypeScript, SuiteScript -Merseyside – Manchester – Devon – Cornwall – Hampshire – Berkshire – Surrey – London – Midlands - East Midlands -West Midlands – Perm – UK … well as produce functional designs, specifications, and time estimates. Key Skills & Experience: Extensive background in designing and building software solutions In-depth expertise in C# programming and the .NET ecosystem Demonstrated track record in developing solutions within Microsoft Dynamics 365 Business Central Skilled in utilising the AL language for extension More ❯

focus on building and maintaining scalable test automation for Web, Desktop, and Mobile platforms. The successful candidate will have hands-on experience in both C# and TypeScript, with deep knowledge of SpecFlow, Cucumber, Playwright, and Selenium. They’ll work closely with developers, stakeholders, and clients to ensure robust test coverage … environments. Key Responsibilities: Design and implement automated and manual test cases Develop test automation frameworks using Playwright and Selenium Write scalable test code in C# (SpecFlow) and TypeScript (Cucumber) Create behaviour-driven tests using Gherkin syntax Plan and execute testing across multiple delivery pipelines Embed test automation into CI/… Azure DevOps Proactively identify, isolate, and resolve defects Act as a Testing SME confidently engaging with clients and stakeholders Ideal Candidate Profile: Proficient in C# and TypeScript development Hands-on experience with SpecFlow, Cucumber, Selenium, and Playwright Comfortable using BDD and Gherkin syntax in a real-world setting Strong analytical More ❯

for any application - even if this is via personal projects, It doesn't need to be commercial experience. Core technologies utilised in this team - C#, F#, TypeScript, SQL Server The Senior Software Developer is likely to have a relevant degree in Computer Science or similar subject and 5 years plus … policy with no requirement to visit an office. Essential experience: Functional programming experience or a vested interest in functional programming even in personal projects C# SQL Web application development Experience in any of the following areas would be advantageous F#, Haskell or similar functional programming language Functional programming in C# More ❯

a complex enterprise systems Cloud platform experience (Azure) Working knowledge of source control platforms – DevOps/GitHub Experience and programming skills: SQL, REST API, C# Key Projects You will be involved in: The overarching strategy is to improve student and staff experience and the project have the following objective: Integrate … of application integrations, data interfaces; leveraging advanced tools and services for continuous improvement and automation. Majority of the integrations are end point integrations so C# knowledge & experience is critical for this role. Joining the programme at early stage the post holder will have plenty of opportunities to influence, improve and More ❯

Guidewire Developer Location: London/Hybrid (2 days in the office, 3 days from home) Salary: £55,000 - £65,000 A Guidewire developer is required for a leading Lloyd's of London Insurance organisation, implementing a Guidewire Claims system. This More ❯

.Net Technical Lead Software Engineer (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 in a hands-on leadership role, at a tech company that provide a SaaS product suite … 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 … maternity and paternity policies Employee award incentives such as team lunches Apply now to find out more about this .Net Technical Lead Software Engineer (C# .Net 8 Azure) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We More ❯

Server-Side C# Engineer – Build at Scale, Influence Architecture, Work Flexibly My client is on a mission to simplify complex delivery infrastructure—and they’ve built a next-generation SaaS platform that’s now scaling internationally. With UK launch already complete and a US rollout underway, they’re tackling big … engineering challenges and delivering powerful tech at serious scale. They’re now looking for a highly skilled server-side C# engineer to join their lean, senior-led engineering team—working on a platform that’s pushing boundaries in event-driven architecture, distributed systems, and customer-first delivery. 👨‍💻 What You’ll … to minimise support tickets A technically mature, agile team where every developer contributes to architectural direction 🧪 Tech Snapshot (and What You Must Know Cold): C#/.NET : ~8 years commercial server-side experience, ideally across multiple codebases and domains → You’ll also mentor and train other engineers—this is a More ❯

Lead – Be the Driving Force Behind Our Clients Next-Gen Platform Location: United Kingdon (Remote) Industry: SaaS/Enterprise Software Tech Stack: .NET Core, C#, ASP.NET, Azure, AI-Driven Dev Tools Are you a passionate Software Engineering Lead with a vision for innovation and the hands-on skills to back … up/SME business 7+ years in software development, with 2+ years in a leadership or senior technical role Proven experience in .NET Core, C#, ASP.NET, and related Microsoft technologies Strong Azure cloud expertise Deep understanding of software design principles and architectural patterns Experience in SaaS or enterprise application development More ❯

work on cutting-edge blockchain solutions, leveraging your expertise in Solidity , Node.js , and React (or other modern JavaScript frameworks). Proficiency in languages like C# , Go , or Rust is a strong advantage. If you are passionate about blockchain technology and thrive in a dynamic environment, this role offers the opportunity … Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git). Preferred Skills : Proficiency in C# , Go , or Rust . Familiarity with Layer-2 scaling solutions, DeFi, NFTs, or similar blockchain use cases. Experience with DevOps, containerization (Docker), and cloud environments. More ❯

secure platform. What makes you a great fit: You’re an experienced PHP developer with strong Laravel skills and the flexibility to work with C#/.Net when needed. You have a solid grasp of SOLID design principles , enjoy working in a fast-paced environment, and have experience building robust … scalability. • Support application deployment and maintenance in a .Net/Azure environment. Skills & Requirements: Essential Skills : • Advanced experience with PHP and Laravel. • Familiarity with C#/.Net for specific platform components. • Strong understanding of SOLID design principles. • Proficiency in MySQL, with a focus on database optimization. • Strong understanding of API More ❯

We have a 6 month+ contract opportunity for a C# .NET Developer for an individual who must be both an English and Japanese speaker. Developing C# .NET solutions, you will be creating in-house applications using the .NET framework. The key tech stack is: C# , .NET core MVC, Web API More ❯

JDE Technical Consultant, Business Systems, Database, Orchestrator, Applications, Windows, Android, iOS, C Business Functions, UBE’s, NERs, SOA, EDI, Reports, Interfaces, Applications, C, C++, C#, Java, SQL, AS/400, IBM I, DB2, UDB, JSON, REST, TCP/IP Protocol, PowerShell, VBScript, QlikView, Visualforce, Apex, MS Office, MS Visio, Gillingham … Business Services and Orchestrator. Technical Proficiency: Knowledge of JSON/REST services (desirable). Programming Knowledge: Proficiency in object-oriented programming languages such as C# and C. Database Skills: Ability to manipulate data in traditional SQL databases like SQL Server, DB2, and Oracle. Experience with IBM i (System i, iSeries … Knowledge: Proficiency in working with the JD Edwards Oracle EnterpriseOne toolset, version Xe or higher. Additional Technical Skills: Familiarity with UBE’s, NER’s, C#/.NET, Java, and Windows CE development. Main Responsibilities: JDE Enhancements: Develop new features and enhancements for JD Edwards, core systems, and associated platforms. Interface More ❯

design. Strong background in architecting and building scalable platforms, ideally in no-code/low-code environments. Proficiency in programming languages such as C++, C#, Python, or JavaScript (WebGL, Three.js, etc.). Deep understanding of networking, cloud computing, and backend systems that support immersive experiences. Experience in Unity, C#, Web More ❯

this industry. The role Spans back-end engineering with some data engineering thrown in for fun. Ideally you will be confident building with Python, C# and cloud technologies. As a consultancy, you will need to be happy using various tech stacks and tools. A lot of the solutions depend heavily … engineers with a strong academic background (Comp Sci degree/Masters/PhD) You'll need some commercial experience in software engineering (Python/C#/javascript... suits a polyglot engineer) ideally working on multiple solutions, adapting to different solutions/different situations Some interest in AI within green energy More ❯

offering structured career progression pathways for the future. Role & Responsibilities Understanding technical business requirements and mapping processes/potential solutions in D365 Hands on C#/Javascript programming - developing custom plugins, work flows Utilising Power platform for low code customisations - developing power automate flows, creating power apps .NET API/… development of Dynamics 365 Customer Engagement/CRM - customisation/configuration of system advancements, creating custom plug-ins/work flows Technical strengths in C#, JavaScript, .NET programming Strengths in Power Platform customisation - utilising power automate, developing Power Apps Integration's experience - .NET/Azure Confident stakeholder engagement skills - analysing More ❯

within performance constraints. Collaborate with artists and engineers to create scalable, high-quality rendering solutions. Knowledge, Skills, and Experience Essential: Extensive professional experience using C# as the main language. Significant experience as a graphics software engineer, having shipped at least one game using Unity on multiple platforms. Strong knowledge of … Experience with GI solutions for procedurally generated scenes. Knowledge of HDRP and ability to work across multiple rendering pipelines. Experience with testing methodologies in C# and Unity. Experience developing C++ native plugins for Unity. Experience of developing for iOS, Android, Switch. Familiarity with low-level graphics APIs such as DirectX More ❯

a service provider or similar environment with significant scale and challenges. Proven experience in Architecture design, software development, and troubleshooting across various technologies, including C#, .Net, C++, SQL, TypeScript, React , or similar. Desirable: Experience in Telecommunications services would be highly beneficial. However, a strong track record of learning new technologies More ❯

QA Automation Engineer - C#/Linux/Mac/Windows/Remote ***THIS IS A FULL REMOTE WORKING ROLE FROM THE UK ONLY*** ***This is NOT a web testing role*** ***NEED AUTOMATION TEST SKILLS IN C# *** Key Skills: Cross platform testing (Windows, Mac + Linux OS) , Automation testing in C# More ❯