51 to 75 of 136 C# Jobs in Slough

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 ❯

technical concepts clearly to technical and non-technical stakeholders. Required Skills & Experience Data warehousing: Understand differences between application databases and analytical warehouses; design models for both. Python: Strong expertise; C# experience is a plus. SQL: Comfortable with complex queries and query tuning on relational and analytical databases (e.g., PostgreSQL, ClickHouse). Containers: Experience building, running, and deploying containerized services in More ❯

eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and C# developers, developing server-side and UI components respectively. This role is specifically a Java role, encompassing low latency market connectivity work and associated services around that. It is a hands More ❯

delivery You’ve spent several years defining and implementing modern Quality Engineering concepts including automated testing You’re comfortable working in at least one Object Orientated programming language (Java, C#, Typescript, Python etc) You have hands-on experience with GenAI, or evidence of actively pursuing personal GenAI projects outside of work You are familiar with testing within cloud environments such 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 ❯

reviews, and cross-functional design sessions. 📍London City, UK 💷Highly competitive salary + benefits package Requirements: Degree in Computer Science, MIS, or related discipline. 4–7 years’ experience with C#/.NET technologies, ideally including ASP.NET Core and Web APIs. 3+ years’ experience developing front-end applications using React, or similar frameworks, but React is the strong preference here. Strong More ❯

ideal candidate will have strong experience with JMeter for performance testing and UI automation expertise using Selenium with C#. Key requirements: - Proven experience in UI automation using Selenium with C#/.NET. - Strong background in load & performance testing with JMeter. - Skilled in designing, executing, and analyzing performance test cases. - Proficient in Zephyr for Jira for test management and defect tracking. 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 ❯

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 ❯

C# Developer – Contract (Hybrid, London) Rate: £415 per day (Umbrella only) Location: London – Hybrid, minimum 3 days a week onsite near Canary Wharf Contract: Initial 6 months with extensions likely We’re looking for an experienced C# Developer to join a busy development team within a leading financial environment. The role involves designing, developing and supporting a range of business … platform. You’ll be working closely with database and infrastructure teams, supporting both new and existing systems in a fast-paced environment. Key Responsibilities: Develop and maintain applications using C# and the .NET Framework Support and enhance existing Windows and web-based systems Work with SQL Server and Oracle databases, writing efficient T-SQL and PL/SQL queries Follow … release procedures to ensure system stability Troubleshoot application, database and environment issues across multiple teams Provide occasional out-of-hours or weekend support when needed Skills and Experience: Strong C#/.NET development background Good understanding of object-oriented programming Experience with SQL Server or Oracle databases Familiarity with IIS and Windows application development Excellent communication and problem-solving skills More ❯

Job Title/Corporate Title: C# .NET Full Stack Developer Contract: £750 - £950/day (Inside IR35) Location: London (Hybrid) You’ll be joining a major financial services organisation to design, build, and support Full Stack C# .NET applications used across core regulatory and reporting systems. Your mission — develop, integrate, and enhance enterprise-grade software that underpins finance and regulatory … reporting processes. You’ll work across the stack using C#, .NET, SQL Server, and Oracle, collaborating with DevOps and cloud teams to deliver high-performance, resilient solutions in a highly regulated environment. This is a hands-on development role for someone who knows how to turn business requirements into robust, scalable applications — and can code, design, and integrate at a … CI/CD pipelines. Work closely with business and technical teams to ensure accurate, compliant delivery. Participate in code reviews and continuous improvement initiatives. What you’ll need: Proven C# and .NET development expertise (Framework & .NET Core). Strong understanding of object-oriented programming, design principles, and best practices. Solid experience with SQL Server and Oracle databases. Experience in financial 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 ❯

C# Developer (.Net) Location: Canary Wharf Hybrid: 3 days onsite per week Rate: £415 per day (Inside IR35) Duration: 6 months initial contract with potential extension up to 2 years with a Permanent conversion option Positions Available: 13 positions Industry: Financial services Interview Process: 2 rounds of interview - Face-to-face interview only, and Technical assessment - Home assignment to be … behalf of our client, a leading financial services company, within their Business Intelligence development team. The role focuses on developing and supporting business applications using the MS .NET platform (C#, Visual Studio) and working with both Oracle and SQL Server databases. You’ll be joining a collaborative team that delivers key business solutions across various environments. Key Responsibilities: Design, develop … and maintain business applications using Visual C# .NET with Oracle and SQL Server databases Provide ongoing support for existing C# and .NET applications, including troubleshooting and implementing solutions Write and optimise T-SQL and PL/SQL scripts for data analysis and reporting requirements Collaborate with Database Administrators, Technical Support, and Infrastructure teams across London and New York offices Follow 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 ❯

in terrain authoring, biome design, or environment art . Experience with UCG platforms (Roblox, UEFN) Interest in automation, optimization, and tool scalability for large environments. Scripting experience with Python, C#, or C++ for Unreal tool development. Based in or able to relocate to Guildford or London, UK (hybrid or on-site preferred). Why Join Us A unique opportunity to 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 ❯