801 to 825 of 953 C# Jobs in the UK

Dotnet Developer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
seeking an experienced .NET Developer to join our Business Intelligence IT team. You will develop and support SMBC BI business applications using C# and MS .NET Framework , working across SQL Server and Oracle databases. This role involves both new development and maintenance of existing applications , ensuring stability and compliance with … change management procedures. Key Responsibilities Develop and maintain C#/.NET applications for BI systems. Analyse business requirements and design technical solutions. Write and optimise T-SQL and PL/SQL scripts for data analysis. Collaborate with DBAs and infrastructure teams in London and New York. Support production environments, troubleshoot ...

Software Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £585/day
Senior C#/.NET Developer | Financial Services (Risk & Securities Lending) Location: London (Hybrid) Role Type: 6 Months Contract, Rate: 585/day inside IR35 Are you an expert in C#/.NET with a deep understanding of the mechanics behind Risk Management or Securities Lending We are looking … needs into technical reality. Architecture: Participate in high-level technical design and architectural discussions to evolve the platform. Requirements Technical Core: Extensive experience in C#, .NET, SQL Server, and CI/CD pipelines. Domain Expertise: Proven track record in Financial Services , specifically within Risk, Securities Lending, Prime Brokerage, or Collateral ...

Graduate Java Developer

Hiring Organisation
Avanti Recruitment
Location
OX4, Cowley, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£35000 - £50000/annum
applications to a range of customers around the world. You will be working with Java as the main language, however you will also use C#, TypeScript and React for the front-end development and built on Kubernetes. Skills required: Strong Java experience 2:1 or above in Computer Science degree … Desirable: Kubernetes C# TypeScript/Frontend experience Commercial experience within the financial sector Ideally have 1-3 years of commercial experience Interview process: 30 minute video call, includes a technical challenge in addition to CV discussion 60-90 minute interview (on site), this will consist of a programming exercise ...

Junior Java Developer

Hiring Organisation
Avanti Recruitment
Location
OX4, Cowley, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£35000 - £50000/annum
applications to a range of customers around the world. You will be working with Java as the main language, however you will also use C#, TypeScript and React for the front-end development and built on Kubernetes. Skills required: Strong Java experience 2:1 or above in Computer Science degree … Desirable: Kubernetes C# TypeScript/Frontend experience Commercial experience within the financial sector Ideally have 1-3 years of commercial experience Interview process: 30 minute video call, includes a technical challenge in addition to CV discussion 60-90 minute interview (on site), this will consist of a programming exercise ...

Software Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Somerset, United Kingdom
Employment Type
Permanent
Salary
£38000 - £45000/annum Bonus + Hybrid + Training
microservices and established WPF applications while influencing key architectural decisions? You will design, develop and maintain software used in demanding industrial environments, working with C#, WPF, front-end languages such as Vue.JS, Angular or React. You will collaborate with electrical and systems engineers, contribute to system architecture and support both … projects ranging from a couple of months to large programmes of 18 months or more. The Role: Develop desktop and web applications using C#, WPF and Vue.js Contribute to microservice architecture and Azure-based modernisation Support and improve legacy systems Collaborate with multidisciplinary engineers Participate in sprints, reviews ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
threads per second. This presents an exceptional opportunity to participate in the development of pioneering technologies within the sports betting domain. Responsibilities as the C# Software Engineer: Build and scale real-time, distributed systems Contribute to architecture, design & delivery of core products Ship high-quality code using CI/… great fit for this opportunity if you have: A Computer Science or Mathematics (or equivalent) degree from a Top Russell Group university. Some commercial C# project experience and strong understanding of software design principles Passionate about working in complex real-time environments building highly-scalable systems. Effective communication and collaboration ...

Senior Software Engineer

Hiring Organisation
Tec Partners
Location
Royston, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum
multidisciplinary teams in a collaborative setting. Key Responsibilities: Design and develop data collection and analysis software (Python and TypeScript) Contribute to instrument control software (C#) and embedded systems (C++) Support full software lifecycle including testing, release, and maintenance Collaborate with cross-functional teams and support documentation and training Skills & Experience … 5+ years' software engineering experience Strong skills in Python and TypeScript Experience with C#, C++, and cross-platform development (Windows/Linux) Knowledge of CI/CD and agile methodologies Background in scientific, biotech, or complex systems environments (desirable) If you're interested in finding out the details, please reach ...

Software Engineer - Data Platform for Trading

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
What You'll Do Develop and optimise SQL Server queries, stored procedures, and data processing logic Design and build backend services in Python or C# Modernise legacy platforms and improve system performance Build and maintain AWS-hosted services and APIs Collaborate with distributed engineering and product teams Top Skills Required … Advanced SQL Server expertise (performance tuning, indexing, complex queries) – non-negotiable Backend development in Python or C# AWS environment experience Proven experience in enterprise or legacy systems – critical Strong analytical and problem-solving abilities We'd expect you to have around 10 years of software and data engineering skills. Nice ...

Full Stack Developer (.NET / React)

Hiring Organisation
Avanti
Location
Houghton Regis, Dunstable, Bedfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
with projects already underway to streamline processes such as call handling and operational workflows. What You’ll Be Doing • Building and maintaining applications using C#/.NET Core • Developing and integrating REST APIs • Working on front-end features using React (or similar frameworks) • Supporting and improving existing internal systems • Contributing … automation and AI-driven projects What They’re Looking For • Commercial experience with C# and .NET (ideally .NET Core) • Frontend experience (React preferred, Angular/JS also considered) • Experience building or consuming APIs • Strong communication skills and a collaborative mindset • Someone motivated, adaptable, and keen to learn Package & Details • Salary ...

Software Engineer

Hiring Organisation
X4 Technology
Location
Essex, England, United Kingdom
Role: Full Stack Software Engineer C# Salary: up to £60,000 (doe) Location 2 days a week in South Essex An opportunity has opened up for a creative, detail-oriented Full Stack Engineer to join a growing and forward-thinking InsurTech business. This role offers the chance to work across … code using best practices Collaborating with designers, developers, and business stakeholders Building and integrating REST APIs Improving and enhancing existing platforms Core skills required: C#, ASP.NET/ASP.NET Core, MVC JavaScript, HTML, CSS, JSON, Bootstrap Experience with debugging, testing, and deploying web applications Understanding of web security principles (e.g., OWASP ...

Senior Software Engineer

Hiring Organisation
VIQU IT
Location
Milton Keynes, Fenny Stratford, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum Bonus
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 ...

Software Engineer

Hiring Organisation
Cierti
Location
Kent, England, United Kingdom
Software V&V Engineer - SDET, QA, C#, C++, hybrid We’re looking for a Software V&V Engineer to join a growing engineering team working on complex, high-performance products. This is a hands-on role where you’ll shape how software and firmware are tested, validated, and improved across … expert for software validation best practices What We’re Looking For Experience in software/firmware testing and validation Strong programming background (C, C++, C#/.NET) Knowledge of full software lifecycle (design → test → release → maintenance) Experience with safety-critical systems is a plus Familiarity with LabVIEW or similar tools ...

Cloud SRE

Hiring Organisation
Deep Sea Electronics Ltd
Location
Hunmanby, North Yorkshire, UK
work independently and within a team, with strong skills in one or more object-oriented languages (PHP, Golang, NodeJS/TypeScript, or C#) and web technologies (TypeScript, HTML, CSS). You’ll have hands-on experience building monitoring solutions, CI/CD pipelines, and cloud infrastructure, along with the ability … from commit to production Drive SDLC automation, replacing manual processes with scalable workflows Develop platform tooling/services in PHP, Golang, NodeJS (TypeScript), or C# Maintain MQTT brokers and WebSocket/APIs for WebNet Stay current with IoT technologies and recommend practical improvements Promote best practices through design and code ...

Cloud SRE

Hiring Organisation
Deep Sea Electronics Ltd
Location
Mansfield, England, United Kingdom
work independently and within a team, with strong skills in one or more object-oriented languages (PHP, Golang, NodeJS/TypeScript, or C#) and web technologies (TypeScript, HTML, CSS). You’ll have hands-on experience building monitoring solutions, CI/CD pipelines, and cloud infrastructure, along with the ability … from commit to production Drive SDLC automation, replacing manual processes with scalable workflows Develop platform tooling/services in PHP, Golang, NodeJS (TypeScript), or C# Maintain MQTT brokers and WebSocket/HTTP APIs for WebNet Stay current with IoT technologies and recommend practical improvements Promote best practices through design ...

Cloud SRE

Hiring Organisation
Deep Sea Electronics Ltd
Location
Hunmanby, England, United Kingdom
work independently and within a team, with strong skills in one or more object-oriented languages (PHP, Golang, NodeJS/TypeScript, or C#) and web technologies (TypeScript, HTML, CSS). You’ll have hands-on experience building monitoring solutions, CI/CD pipelines, and cloud infrastructure, along with the ability … from commit to production Drive SDLC automation, replacing manual processes with scalable workflows Develop platform tooling/services in PHP, Golang, NodeJS (TypeScript), or C# Maintain MQTT brokers and WebSocket/HTTP APIs for WebNet Stay current with IoT technologies and recommend practical improvements Promote best practices through design ...

Senior Software Support Engineer

Hiring Organisation
VIQU IT Recruitment
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
end. Utilise 3rd line SQL and T-SQL to support data issues, debug procedures, and support fixes into production/staging environments (C#/.NET). Conduct root cause analysis by documenting findings, feeding confirmed defects back to engineering with reproducible steps, ultimately contributing to preventing the same issues recurring. … stored procedures, complex queries, performance tuning. Hands-on experience with Microsoft SQL Server and Azure in production. Some .NET/C# experience to read and debug code. The ability to communicate clearly and speak directly to customers to identify issues. Senior Software Support Engineer Up to £55,000 per annum ...

Java Developer

Hiring Organisation
TGW Group
Location
Nationwide, United Kingdom
Employment Type
Permanent
process flow. You will: Utilise established development tools, guidelines and conventions including but not limited to ASP.NET, SQL Server, Oracle, Mongo, XMLXSD and C# (WPF, EF, WCF) Implement new and extend existing features in the TGW Warehouse Control System (WCS) and Transport Services application stack Enhance existing systems by analysing … customer projects, ensuring delivery dates are achieved and discuss delivery and testing for implementation You will need: Required Strong JAVA and/or C# development skills, but experience in both is beneficial Experience of SQL Development (PL/SQL or T-SQL) A good understanding of Unit Testing Excellent communications ...

Senior .NET Software Engineer

Hiring Organisation
Fruition Group
Location
Leeds, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
technical blockers to help your team deliver at pace Analyse requirements and dependencies, estimating effort and risk where necessary Write high-quality code using C# and .NET 8, supported by thorough unit testing Ensure high standards of observability, operational excellence, and software performance Engage in continuous improvement by evaluating … 5+ years of professional software engineering experience Strong technical background with a degree in Computer Science, Software Engineering or equivalent practical experience Proficiency in C#, .NET 8/9 and object-oriented design principles Experience developing microservices and RESTful APIs with tools like Redis, Kafka, and MySQL Familiarity with Docker ...

Senior Machine Learning Engineer

Hiring Organisation
SoftInWay, Inc
Location
City Of Bristol, England, United Kingdom
Solver Platform : Define modular architecture for data preprocessing, model execution, and post-processing. Establish clear API contracts between Python/TensorFlow and C# services. Design, develop, and implement advanced machine learning algorithms and models, focusing on pattern recognition and neural network applications Productionizing ML Workflows : Convert research code into robust … Implement CI/CD pipelines, automated testing, and reproducibility standards. Integration & Interoperability : Design REST/gRPC endpoints for cross-language communication. Ensure compatibility with C#/.NET services. Performance & Scalability : Optimize GPU/CPU utilization, batching strategies, and memory management. Plan for multi-model and multi-tenant scenarios. MLOps & Lifecycle ...

Technical Transformation Director

Hiring Organisation
Spectrum IT Recruitment
Location
Poole, Dorset, United Kingdom
Employment Type
Permanent
Salary
£100000 - £110000/annum
delivery of large-scale technology change across the business. Technical nous is key for this role. Specifically - Technical expertise across the Microsoft stack (C#, .NET, Azure, SQL Server, etc.) Strong understanding of software architecture, engineering quality and system design Experience with DevOps, modern delivery practices and cloud-based platforms This … multiple workstreams and large-scale delivery portfolios Strong stakeholder engagement skills, including working closely with C-level leadership Technical expertise across the Microsoft stack (C#, .NET, Azure, SQL Server, etc.) Strong understanding of software architecture, engineering quality and system design Experience with DevOps, modern delivery practices and cloud-based platforms ...

Senior Software Engineer

Hiring Organisation
IO Associates
Location
Malvern, Worcestershire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£65,000
Stack Core: Java (Modern versions), Spring Boot, and React. Evolving: While the core is Java-based, you will have the opportunity for exposure to C# and C++ within real-time environments. Methodology: Pure Agile (Scrum) , with a heavy emphasis on Test-Driven Development (TDD) and automated CI/CD pipelines. … full software development life cycle (SDLC) is essential. Tech Stack: You are an expert in Java (primary stack), but you also bring experience with C#/C++ (or a strong desire to work with it) on both Linux and Windows. Version Control: You're comfortable using change control and configuration ...

Azure Integration Engineer

Hiring Organisation
McCabe & Barton
Location
London Area, United Kingdom
ensure high availability, and support scalable, resilient integrations across cloud and on-premises environments. This hybrid dev/SRE role requires both coding expertise (C#/.NET, Scripting) and operational proficiency in Azure governance, security, and observability. Experience in Financial Services/Asset or Investment management Responsibilities and Requirements Integration … Legacy systems. Implement automation for end-to-end processes: error handling, retries, dead-letter queues, notifications, and orchestration across services. Develop custom code (C#/.NET, JavaScript/TypeScript) for complex transformations, adapters, or extensions in Functions or Logic Apps. Azure API Management (APIM) Configuration & Management Configure and operate Azure ...

Principal Software Engineer

Hiring Organisation
Octagon Group
Location
High Wycombe, England, United Kingdom
advanced scientific and analytical instrumentation Define architecture across the stack, from embedded/firmware in C/C++ through to application software in C#/.NET Work closely with electronics and hardware engineers on board bring-up, integration, debugging, and system optimisation Develop software and algorithms that interpret sensor signals … hardware-connected, physics-led product development . Essential background 6+ years’ commercial software engineering experience in complex product development environments Strong expertise in C#/.NET Strong experience in C/C++ for embedded systems, firmware, or hardware-near software Proven experience leading or mentoring engineers across software and related ...

IT Engineer

Hiring Organisation
Adecco
Location
Ruabon, Wales, United Kingdom
IT Engineer Location: Ruabon, Wrexham Salary: £34,000–£40,000 Job Type: Permanent Hours: Monday–Thursday: 08:00–17:15 Working Fridays: 08:00–16:15 Approx. 21–23 non‐working Fridays per year ABOUT ...

IT Engineer

Hiring Organisation
Adecco
Location
Ruabon, Wrexham, UK
IT Engineer Location: Ruabon, Wrexham Salary: £34,000–£40,000 Job Type: Permanent Hours: Monday–Thursday: 08:00–17:15 Working Fridays: 08:00–16:15 Approx. 21–23 non‐working Fridays per year ABOUT ...