51 to 75 of 125 C# Jobs in Slough

solutions have an immediate impact — all without the bureaucracy of a large organisation. 🔑 Key skills Strong experience with SQL Server (2016+) for integration and data management Solid hands-on C#/.NET skills for APIs, automation, and custom tooling Understanding of data flows, system integrations , and automation best practices Experience with SSIS or similar ETL tools (desirable, not essential) Contract More ❯

to join their team on a permanent basis. In order to be successful, you will have the following experience: Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is essential Within this role, you will be responsible for: Delivering strategic advisory, engineering delivery, and enablement More ❯

tooling Closely partner with CTO and drive tech strategy A high-calibre team in a collaborative, flat and engaging environment Experience required Stack: Open to strong engineers; experience in C#, Python, Java, or cloud-native development a plus Investment Banking, Asset Management or Hedge Fund experience Business knowledge on Trading and trade flows front to back Competitive comp package in More ❯

system design. Experienced in Infrastructure as Code—covering design, security, configuration, integration, deployment, and performance tuning. Working knowledge of one or more programming languages such as Python, PowerShell, Java, C#, PHP, or Ruby. Benefits for our U.K. teams include: The choice to work flexibly from home and the office, in line with our hybrid working principles Bonus linked to company More ❯

+ Bonus + Hybrid Location: Central London (Hybrid: 3 days in office) Salary: £35,000–£50,000 + performance bonus + excellent benefits Tech: .NET 6/7, C#, AWS, REST APIs, SQL, CI/CD, Microservices The Opportunity We are partnering with a fast-growing SaaS company in Central London that is expanding its engineering team and looking for … a Junior .NET Software Engineer who is eager to learn, grow, and work with modern technologies. This is a fantastic opportunity for someone with a solid foundation in C# and .NET to develop their skills in cloud computing (AWS), microservices, and modern software engineering practices. You’ll be joining an experienced team that values mentorship, collaboration, and technical excellence — offering … ll contribute to the development of scalable backend systems and web applications while learning from experienced mentors. Your responsibilities will include: Developing backend functionality using .NET 6/7 (C#) Building and consuming RESTful APIs and integrating with databases Working with AWS services as part of a cloud-first environment Supporting the development and maintenance of microservices Writing clean, maintainable More ❯

We are looking for Software Engineers with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data movement between internal systems, third-party platforms, and cloud services. Your core focus will be … in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous. Core Responsibilities: •Design, develop, and maintain scalable … we are looking for a candidate with the following set of technical and soft skills, as both are essential to perform in this role. • Programming Proficiency: •Strong experience with C# and .NET frameworks. •Solid understanding of data structures, algorithms, and programming principles. •Experience working with other relevant languages such as Python, JavaScript, or TypeScript. • Data Systems Knowledge: •Exposure to working More ❯

consultant, working on a wide array of complex projects across multiple industries. The Role: We are looking for a Software Engineer with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data … in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be highly advantageous. Responsibilities: Design, develop, and maintain scalable APIs … authorization, and secure API communication (OAuth2, JWT, etc.). Familiarity with API gateways, microservice architecture, and asynchronous messaging patterns (e.g., queues, event buses). Programming Proficiency: Strong experience with C# and .NET frameworks. Solid understanding of data structures, algorithms, and programming principles. Experience working with other relevant languages such as Python, JavaScript, or TypeScript. System Design: Ability to design and More ❯

Full-Stack Software Engineer – C# .NET Business area: Platform Development team Permanent, Hybrid working Located: London, City *Priority hire, so moving quickly!* Talensa are working with a market leading Financial Trading platform company in the City looking to add a talented C# .NET developer to support and drive through platform maintenance, development and innovative solutions for their Institutional clients. With … be comfortable diving into challenges, and have a problem-solving mindset to deliver effective solutions for our clients and ensure the scalability and robust performance of our platform. Required C# .NET - some years experience: - Backend: DotNet, C#, EF Core - Databases: SQL Server - Frontend: TypeScript, JavaScript, Node.js, modern UI frameworks Additional Skills: - Experience with frameworks such as Angular (preferred), React (preferred More ❯

Engineer will include: BSc or MSc in Computer Science, Electrical/Electronic Engineering, Applied Mathematics, or related field Proficiency in software development for test automation, e.g. Python, C++, or C# Understanding of hardware test systems and instrumentation, e.g. oscilloscopes, BERTs, burst-mode testers Experience with metaheuristic optimisation techniques, e.g. genetic algorithms, simulated annealing, particle swarm optimisation If you are a More ❯

system alerts and performance metrics Key Skills - MUST HAVES Proven experience in customer-facing technical support, with a service-first mindset. General knowledge of software development principles VB.NET, SQL, C#, SQL, SSIS/SSRS Familiar with ITIL frameworks and comfortable navigating incident/change workflows. Great chance for a long term contract opportunity, 6 month initial contract, City based More ❯

You architect high quality web applications, and design key tools and systems that support said web applications. Top Responsibilities: Write and review code in JavaScript or TypeScript, Golang/C#, and/or SQL, Angular Test, debug, maintain and/or update full-stack web applications. Write and review technical documents, including design, development, and revision documents. Collaborate with Product More ❯

consultants and stay ahead of Power Platform innovations. Experience Required Proven experience with complex Power Platform & Dynamics 365 CE solutions. Strong technical knowledge: Dataverse, Power Apps, Power Automate, JS, C# plugins, Power Pages. Excellent stakeholder management and communication skills. Experience leading workshops, managing multiple projects, and coaching others. More ❯

working in an office of c.80 people. This is a key role in this small team and as such has broad requirements that balance current, hands on coding experience (C# back end and JavaScript/Angular front end) with architecture responsibilities and oversight of devops/infrastructure. There is also line responsibility for an offshore development team (currently 7 but More ❯

manage vendor relationships Monitor and troubleshoot systems proactively, owning reliability improvements Work closely with trading teams to understand the full trade lifecycle Develop and maintain technical solutions (Python, PowerShell, C#, and SQL) Requirements for the Contract Site Reliability Engineer (Algorithmic Trading) Proven track record of DevOps and application deployment best practices Background in commodity trading, capital markets or investment banking More ❯

or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in a Linux-based environment Strong computer science fundamentals with several years’ experience in professional software development Experience applying modern testing approaches to More ❯

play a key role in architecting and developing scalable, high-performance web applications that bring complex data to life. Working across both frontend (React, TypeScript) and backend (.NET Core, C#) technologies, you’ll collaborate with product, design, and data science teams to create seamless, intelligent solutions that define the future of shipping analytics. This is a hands-on engineering role … What You’ll Bring 5+ years of experience building large-scale, production-grade web applications. Strong proficiency with React, TypeScript/JavaScript, HTML, and CSS . Proven experience with C#, .NET Core , and SQL-based databases . Understanding of Design Patterns and SOLID principles . Experience designing and consuming RESTful APIs . Familiarity with Azure or other cloud platforms and More ❯

a permanent basis in London. There are multiple roles across risk and FX within this company and the ideal candidate will come from a financial services company. Key Skills: C# OOP Up to £130K on the base plus market leading package More ❯

senior consultants, growing your skills. Experience Required Experience delivering Power Platform or Dynamics 365 CE solutions. Knowledge of Power Apps, Power Automate, Dataverse, and development tools like JS or C# plugins. Strong communication and stakeholder management skills. A proactive, solutions-driven mindset and eagerness to learn. More ❯

where you will work directly alongside the founding team to help shape the core technology and company culture. About you: 3+ years of Software Development experience in Python, Java, C#, C++ Experience working on an end-to-end development cycle Proven ability to build something from the ground up/experience in shipping features very quickly Understanding of complex design More ❯

of testing, and analysis of data for improvement Collaborate with cross-functional teams of hardware, software, embedded and electronic engineers. Skills: Software scripting and Automation experience using Python, C++, C# Experience in generating and scripting algorithms for AI/ML applications, as well as Metaheuristic optimisation. Understanding of cloud-based environments and data pipelines. Degree in either Computer Science, Electrical More ❯

resolving reported issues in these areas. Desirable skills/knowledge/experience: ADMS, DMS, Distribution Power Flow (DPF), Volt Var Control or IVVC, FLISR or FDIR, OMS. C, C++, C#, Oracle SQL Experience in Linux, SQL, Python, Docker, Jenkins. Direct experience installing, maintaining or supporting ADMS products including DMS Applications, DNAF, OMS, Storm Assist and DER. Rewards & Benefits TCS is More ❯

Software Developer, C# .NET React JavaScript TypeScript. SaaS Cloud AI Unified Comms x 3 We’re hiring on behalf of a forward-thinking organisation delivering cutting-edge software across global projects. They’re seeking a driven Software Developer to join their agile, high-performance team and help shape the future of impactful digital solutions. What You’ll Be Doing as … a Software Developer Software Development Write clean, scalable, maintainable code using C# and .NET 5/6 Build modern frontend solutions using JavaScript , TypeScript , and React Contribute to architectural decisions and design secure software components Collaborate closely in Agile/Scrum teams to deliver reliable, user-centric software Carry out rigorous unit and integration testing Work with QA to validate … Developer A 2:1 or above in a STEM or Computer Science degree (or equivalent) Strong academic track record. 3+ years’ experience in professional software development Deep expertise in C# , SQL , and Microsoft SQL Server Solid understanding of Git and experience in Agile environments Bonus: Familiarity with OWASP ASVS , secure development standards, and modern UI frameworks like React Why Apply More ❯

Senior Software Engineer | 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 Senior Software Engineer to help drive modernisation, set technical direction, and mentor squads as they scale. This is a senior, hands-on … and fit for the future. Expect to spend plenty of time coding, alongside leading migrations and leading/mentoring 4 engineers. You will have complete autonomy for all things C# .NET in the business, including decision making on strategy around the direction of the products, the projects, leading the team and liaising with external consultancies etc. What you’ll be … doing: Design and build complex apps with C# and .NET Core/Framework Lead migrations from Web Forms/ASMX to modern stacks (.NET Core, MVC, REST APIs) Contribute to the technical roadmap and influence best practices across squads Partner with QA, Product, and DevOps to deliver reliable features in agile sprints Implement and fine-tune CI/CD (TeamCity More ❯

+ Bonus + Hybrid Location: Central London (Hybrid: 1-2 days in office) Salary: £80,000–£100,000 + performance bonus + excellent benefits Tech: .NET 8, C#, AWS, Microservices, REST APIs, SQL, CI/CD, Docker/Kubernetes The Opportunity We are working with a high-growth SaaS organisation in Central London that is expanding its platform and engineering … a Senior .NET Software Engineer, you will play a key role in both development and design, responsible for: Building and maintaining scalable backend services using .NET 7/8 (C#) Designing and implementing cloud-native microservices on AWS Leading technical discussions and influencing architecture and design decisions Collaborating with product, DevOps, and front-end engineers in a cross-functional team … complex problems and working with modern .NET and cloud technologies. You are passionate about improving systems, performance, and team processes. You will bring: 5+ years of commercial experience with C#/.NET Core/.NET 6+ Strong background in building distributed systems and APIs Hands-on experience with AWS (ECS, Lambda, S3, EventBridge, DynamoDB, etc.) Proven experience with microservices and More ❯

to-end web applications and APIs used by thousands across secure environments. Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). Design and document clean REST/JSON interfaces; test with Postman and automate regression suites. Own CI/CD pipelines and Docker -based … platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible … . Security Clearance: Active SC or DV (must be current). Nice-to-haves Military background (RAF/Army/Navy) or delivery in defence, aerospace, or government . C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. GenAI/LLM experience (e.g., AWS Bedrock , prompts/guardrails, retrieval). Integrations with hardware/peripherals (kiosks, scanners, IoT More ❯