151 to 175 of 182 C# Jobs in the South East

+ benefits If you're a technically strong engineering leader who built your career on solid engineering foundations (whether in C#/.NET or modern JavaScript frameworks) and still care deeply about code quality, DevOps maturity, and scalable systems, this is a genuinely exciting opportunity. We're partnered with … standards and lead the next phase of platform evolution. The Tech Environment The company's stack has evolved. Originally built on a Microsoft/C#/.NET foundation, the platform has transitioned to a more modern stack including: NestJS/NodeJS, Vue, Redis, SQL Server, Snowflake. They are open ...

delivery of high-quality digital services across the organisation. Key Responsibilities Design, develop, and maintain integrations between business applications using Microsoft technologies, including .NET, C#, Power Platform components, APIs, and SQL-based tools. Build and enhance enterprise application and data integration solutions to improve system performance, reliability, and data quality. … customisation, and extension Power Platform technologies, including Power Automate and Dataverse System integration, APIs, and data migration strategies SQL Server and relational data modelling C#, .NET, and modern development frameworks Source control, automated testing, code reviews, and CI/CD practices You are comfortable taking ownership of complex technical challenges ...

Lead C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to £100k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning ...

Lead C# Developer/Engineer (C# .Net Desktop Application) Reigate/WFH to £100k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning ...

their product lines. This role will focus on shaping architectural decisions, hands on coding and mentoring other software engineers. Key technology stack spans C#, React, Node.JS and AWS. Job duties: Ÿ Build and develop web interfaces, server side components and integrations, whilst contributing to architecture reviews. Ÿ Mentor junior engineers, provide code … timeframes. Ÿ Contribute to enhancing team efficiency by exploring AI assisted development technologies. Experience Required for the Senior Software Engineer: Hands on experience with C#, Node.js, and React. Experience with AWS, event driven and microservices architecture. Experience utilising AI coding tools to enhance efficiency. Experience within a Scaled Agile Framework environment ...

client requirements into technical solutions. What You’ll Be Doing Lead the design, development, and enhancement of a modern AI‐powered SaaS product using C#, .NET, SQL Server, React, and Microsoft Azure. Support enterprise customers in deploying, customising, and optimising SaaS solutions. Act as the bridge between product teams … emerging technologies. What We’re Looking For 9–12 years’ experience in SaaS/product‐focused environments. Strong hands‐on software development skills: C#/.NET, SQL Server, React. Expertise with Microsoft Azure services, including deployment and Marketplace integration. Experience with SaaS product development and private/public cloud offerings. ...

develop, and execute validation plans covering functional, performance, integration, and regression testing. Build and maintain automated test frameworks and scripts using languages such as C#, C++, Python, JavaScript, and TypeScript. Define appropriate levels of automation to maximise test coverage for critical system functionality. Specify requirements for validation tools, environments … Looking For Essential Skills & Experience Proven experience in software or systems validation, including automation testing. Strong programming ability in one or more of: C#, C++, Python, JavaScript, or TypeScript. Solid understanding of the software development lifecycle and CI/CD principles. Experience working in structured software engineering environments using source ...

this is a fantastic opportunity. You'll lead the design and delivery of high-quality software built on Azure, working with technologies such as C#, Azure Functions, Logic Apps, Service Bus, API Management, and Infrastructure as Code. You'll champion engineering best practice, support architectural decisions, and help drive continuous … role based at our Hoddesdon office. About you Proven experience as a Senior or Lead Developer, with strong hands-on expertise in Azure Functions (C#), event-driven design, and serverless architectures Technical capability across: Designing, developing, and deploying scalable, maintainable software solutions Building Azure Logic Apps, workflows, connectors, and enterprise ...

looking a Software Engineer C# role based in Colchester, Essex working for a global leading engineering business? If so, my client is currently recruiting for a Software Engineer C# to join a pioneer in in advanced microelectronics and power-electronic automated x-ray metrology equipment. As a Software Engineer C# … will be responsible for designing, developing, maintaining and documenting software functionalities particularly in the area of machine control. Requirements for Software Engineer C# position; Develop and maintain machine control software Proficiency in C# development in a multi-threaded environment Practical experience with Core C# .NET technology for GUI development Practical ...

Integrating scalable production-grade AI/ML systems into engineering applications Guildford; to £80,000 plus benefits This engineering software company are integrating AI and machine learning features into their application suite, and seeking a ...

evolution of MyCity , our cloud-based mobility platform built on modern microservices architecture. While the role is primarily architectural, a strong background in C# development is essential to effectively guide engineering teams and ensure robust, scalable solutions. You will define architectural standards, shape technical strategy, and work closely with development … infrastructure systems Profile What we are looking for Minimum 5 years’ experience in a Software Architect or senior technical leadership role Strong background in C# development (minimum 2+ years) with .NET 5+ Extensive experience designing cloud-native and microservices architectures Proven experience working with distributed systems at scale Experience defining ...

Junior C# Full Stack Engineer FULLY ON SITE: London Salary: £60,000 to £75,000 This is a strong opportunity for an early-career C# engineer to accelerate their development in a high-performing, collaborative environment. You will be working on real-time, data-driven systems with direct exposure … building high-performance systems and continuously improving existing platforms. Teams are small, agile, and value curiosity and ownership. The Role * Build and maintain C# and .NET applications across backend and full stack systems * Support development of high-performance, real-time data platforms * Collaborate with engineers to deliver new features ...

Senior Software Engineer - Server Side (C#/Worker Service/ORM) Waterlooville, Hampshire | Up to £85,000 + Benefits | Onsite | 4 day week Some projects are maintenance. Some are migrations. And then something genuinely rare comes along - a blank canvas, a serious engineering challenge, and a product deployed on military … lead roles. The Role You'll be at the heart of the system architecture, building the server-side framework that underpins everything. Clean, modular C# using a Worker Service pattern, a reusable common framework, and direct interfaces to sensors, effectors, and external systems. Production-quality engineering where simplicity, precision ...

Software Development Lead (C#,C++, SQL, .NET, Trading, FinTech, Financial Technology, financial Services) An exciting opportunity has arisen for a Software Development Lead to joinmy clientsDevelopment department, Ideally we seek candidates who have experience within FinTech (financial technology) and Trading. This is a senior role reporting directly … client has developed a number of industry-first products to help improve the capabilities of retail brokers and crypto providers across the globe. Benefits (C#,C++, SQL, .NET, Trading, FinTech, Financial Technology, financial Services) 25 days basic annual leave, increasing with length of service Paid days off on your birthday ...

Head of Software Development (C#,C++, SQL, .NET, Trading, FinTech, Financial Technology, financial Services) An exciting opportunity has arisen for a Head Of Software Development to join my clients Development department, Ideally we seek candidates who have experience within FinTech (financial technology) and Trading. This is a senior role reporting … client has developed a number of industry-first products to help improve the capabilities of retail brokers and crypto providers across the globe. Benefits (C#,C++, SQL, .NET, Trading, FinTech, Financial Technology, financial Services) 25 days basic annual leave, increasing with length of service Paid days off on your birthday ...

Engineer to develop this platform. Working alongside Aerothermal Designers and Mechanical Engineers, you'll productionize internal code, wrap commercial simulation tools in C++/C# modules, and integrate everything into automated cloud-based workflows. Key requirements for Software Engineer: A high calibre degree in Mechanical Engineering, Computer Science or Physics … from a top University Excellent technical skills with C++ or C#, and Python with several years demonstrable commercial industry experience Natural problem-solver with eagerness to learn Self-motivated and organized, capable of independently managing complex projects Along with highly interesting and technical work, a clear career progression path ...

role was written for you. The Role You will play a key role across the full product lifecycle, developing and maintaining software platforms in C#, Python, and JavaScript for world-class gas detection instruments. You'll be writing the software that talks directly to hardware via UART … floor, and working closely with a talented team of electronic, embedded, and mechanical engineers. Requirements Engineering or electronics background Strong software development skills in C#, Python and/or JavaScript Hands-on experience with communication protocols such as UART, SPI, I2C, Modbus or CAN Comfortable reading schematics and using electronics ...

looking to recruit an experienced senior Full Stack software engineer to work in a product development role using .Net C# on the Backend and Node JS for the Frontend. You will be working on the development of a Cloud based Security application for Microsoft architecture that integrates AI functionality … reputation for innovation in securing Microsoft Cloud architecture. We are looking for someone who has a wealth of capability as a .Net C# software engineer and has experience in developing IT Security applications. You will be a person who is curious about the innovative use of integrating AI into Secure ...

As part of our client's expanding National Security division, you'll contribute to high-impact missions across AI/Data Science, Cybersecurity, Cloud, DevOps, and Platform Engineering. We're seeking inquisitive individuals who excel ...

Senior C# Full Stack Engineer FULLY ONSITE: London Salary: £100,000 to £130,000 This is an opportunity for a senior engineer to take ownership of complex systems and contribute to the direction of a growing engineering function. You will work on high-impact projects with real-time performance challenges. … projects with significant technical depth. The culture is collaborative, with a strong emphasis on autonomy and ownership. The Role * Lead the development of C# and .NET applications across multiple platforms * Own key components of large-scale systems and drive technical excellence * Design and implement scalable and high-performance solutions * Collaborate ...

Senior Software Engineer - UI/GUI (C# WPF/XAML) Portsmouth, Hampshire | Up to £85,000 + Benefits | Onsite | 4 day working week Some projects are maintenance. Some are migrations. And then something genuinely rare comes along - a blank canvas, a serious engineering challenge, and a product deployed on military … design lead, you'll create clean, performant GUIs fed by real-time data streams. Technically demanding, purposeful, and built for real-world deployment. Stack C#/WPF/XAML - greenfield from scratch MVVM, DI, Data Templates, Styling - modular composable front-end SignalR, gRPC, Pub/Sub, Data Flow TPL - real ...

Defence Systems | Flexible-Hybrid | C# | C/C++ | embedded or low-level environments Some engineering jobs talk about “innovation” then hand you a legacy mess and a Jira board full of damage control. This isn’t that. We’re working with a defence-focused engineering business building specialist technology where … software churn. What they’re looking for: Strong software engineering fundamentals Exposure to C or C++ within embedded or low-level environments Experience with C# .NET development is a big advantage Understanding of the full software lifecycle Experience with structured design methodologies such as UML Ability to work from concepts ...

deliver robust, high-performance solutions. As an Embedded Systems Developer, your key responsibilities will include: Developing embedded software in C/C++ (and some C# where required) Writing low-level firmware (drivers, peripherals, comms interfaces) Supporting board bring-up and hardware/software integration Carrying out unit, integration and system … following best practice standards Requirements: 5+ years’ experience in embedded systems development (ideally within a manufacturing environment) Strong programming skills in C/C++ (C# beneficial) Experience with microcontroller architectures (e.g. ARM, Atmel) Knowledge of communication protocols such as: USB TCP/IP UART, I2C, SPI Bluetooth LE/wireless ...

Principal C# Full Stack Engineer FULL ONSITE: London, £130,000 to £160,000 This role provides the opportunity to operate at a strategic level while remaining hands-on. You will shape architecture, guide engineering standards, and work on highly complex, performance-critical systems. The Company They are a well-established … structure is flat, enabling senior engineers to have real influence over technical direction and business outcomes. The Role * Define and drive architectural decisions across C# and .NET platforms * Lead the delivery of complex, high-performance systems * Set engineering standards and best practices across teams * Collaborate with leadership on technical strategy ...

Level C# Full Stack Engineer FULLY ON SITE: London Salary: £75,000 to £100,000 This role offers the chance to deepen your expertise in C# and .NET within a highly technical team working on complex, performance-led systems. You will take on greater ownership while continuing to grow … underpins key decision-making. Their flat structure enables engineers to contribute ideas and have a tangible impact on projects. The Role * Develop and enhance C# .NET applications across multiple systems * Work on both greenfield projects and improvements to existing platforms * Contribute to system design and performance optimisation * Collaborate with cross ...