26 to 50 of 54 C# Developer Jobs

Graduate / Junior Developer, Python, Linux, C#, Java - London

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been … that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position to make decisions about ...

Lead Software Developer C# - Finance

Hiring Organisation
Client Server
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Lead Software Developer/Engineer (C# .Net Core) Newcastle onsite to £130k Do you have expertise with backend software development within finance/trading environments, combined with strong leadership skills? You could be progressing your career in a hands-on Lead Software Developer …/team leadership skills, happy conducting 1-2-1s, providing coaching and mentoring as well as project leadership You have expertise with modern C# .Net Core, Python skills would also be of benefit (will also consider other OO languages e.g. C++, Java) You have a strong knowledge ...

Principal C# .Net Developer

Hiring Organisation
The Portfolio Group
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£80000/annum
Principal Backend Developer (C#/.NET) The Opportunity This is a career-defining role for a Principal Backend Developer who wants to be at the forefront of a growing SaaS organisation. You'll be joining a company that's scaling rapidly, building innovative products that … proof. Working closely with product owners, testers, and front-end teams, you'll bring engineering excellence into every decision. With a stack centred on C#, .NET, cloud services, and automation frameworks, you'll be both hands-on in coding and guiding others to deliver their best work. ...

C# Quant Developer | Real-Time Market Data | Investment Bank

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
C# Quant Developer | Real-Time Market Data | Investment Bank C# Quant Developer | Real-Time Market Data & Analytics | Investment Bank C#, Quant Development, Market Data, Fixed Income, FX, Real-Time Systems The Role: A large financial institution is looking for a Quantitative Developer … migration initiatives. Support the delivery of accurate and reliable data consumed across multiple business areas. What You Bring: Strong software engineering capability in C# or a comparable object-oriented language. Experience of development in a large quant library Exposure to quantitative development, market data platforms or analytics systems. Knowledge ...

C# FX Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
C# FX Options Pricing Developer 6 Month Contract | London (Hybrid) | Umbrella Engagement We are seeking an experienced FX Options Pricing Developer to join a front office technology team supporting a global FX trading business. This is a hands-on development role focused on the enhancement … development, testing and release activities Take ownership of deliveries while working within a global technology team Required Skills & Experience Strong commercial development experience with C# and C++ Proven experience working within Front Office FX Options technology environments Experience developing pricing, risk or trading applications Strong knowledge of WinForms ...

C# / .NET Developer

Hiring Organisation
Avanti
Location
Aberdeen, Aberdeenshire, Scotland, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
C#/.NET Developer Salary: £40,000 to £65,000, depending on experience Location: Aberdeen, ideally hybrid, with flexibility depending on the candidate’s location Permanent We are recruiting for a global software business that develops real-time data platforms for the energy industry. The company builds … product development and improvements to established software platforms. The role You will be responsible for: Developing and maintaining backend applications using C# and .NET Designing and supporting APIs and integration services Working with SQL Server or PostgreSQL Building event-driven and message-based systems Writing clean, maintainable and well ...

Senior C# / .NET Developer | Risk & Securities Lending

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Senior C#/.NET Developer | Risk & Securities Lending Location: London (Hybrid) Contract Duration: 6 Months Industry: Financial Services About the Opportunity Are you a seasoned C# engineer with a deep understanding of financial markets? We are seeking an experienced Senior C#/.NET Developer … will deliver scalable, robust solutions in a fast-paced, regulated environment. What You Will Do System Development: Design, build, and maintain high-performance C#/.NET applications supporting Risk and Securities Lending workflows. API Integration: Build and consume RESTful APIs to seamlessly connect complex upstream and downstream financial systems. ...

C# . Net Developer, Hybrid

Hiring Organisation
Exposed Solutions
Location
SL1, Slough, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum
seasoned C# .NET Developer who enjoys solving complex technical challenges? Our client is an established and highly successful technology company whose software is used by thousands of customers. They are investing heavily in their flagship platform and are looking for an experienced Senior Developer … working on software where performance, scalability and reliability really matter. Technical Skills Required You'll have commercial experience with most of the following: C# .NET ASP.NET MVC ASP.NET MongoDB RabbitMQ Web Services (REST and/or SOAP) What We're Looking For Around 10 years' commercial software development experience ...

C# / .NET Core / MVC / ASP.NET Developer

Hiring Organisation
Crystal Ball Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£45,000
C#/.NET Core/MVC/ASP.NET Developer - Contractor Location: Office Based, Manchester, M32 0FP Hours: Full Time - 6 Month Contract Salary: £45,000 per annum pro rata Crystal Ball is a Multi-Award-Winning vehicle tracking and lone worker service provider based in modern offices … entire UK. The Crystal Ball system comprises of mobile phone/tablet client software (all major platforms) as well as scalable server-side architecture (C#/.NET Core/MVC/ASP.Net/SQL Server) and is developed and maintained entirely in-house and we are looking to grow ...

Principal Software Developer, AI Integration, C# .NET, Reading, £550 day rate, Outside IR35, COR7630

Hiring Organisation
Corriculo Ltd
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£500 - £550 per day
Principal Software Developer, AI Integration, C#, £550 day rate, Outside IR35, Reading, COR7630 We're looking for an experienced Principal Software Developer to join a long-term contract with an initial 3-month term and a strong likelihood of extension up to 18 months. This … development lifecycle, improving productivity and modernising engineering practices. What's required of the Principal Software Developer? Strong commercial experience developing software with C# and .NET Experience leading or supporting the adoption of AI within a software development team Knowledge of AI-assisted development tools, such as Claude ...

C# Dot Net Software Developer with Fixed Income and FX

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# … pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential Skills Minimum 3 to 5 years experience of Microsoft web technologies (C#, ASP.NETCore MVC) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders: sales, brokers, middle office, external vendors. Ability to produce clean ...

Senior Technical Consultant - C# Developer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Clio Operate platform for top 100 law firms worldwide. Design and implement custom integrations, workflow components, and UI elements. Work across the full stack: C#, SQL Server, JavaScript, HTML, CSS. Collaborate with analysts, configurators, and engineers to deliver scalable solutions. Communicate directly with client stakeholders to gather requirements … software development, ideally on SaaS platforms at scale. Front‐end: JavaScript (vanilla + frameworks such as Vue, React, or similar), HTML5, CSS3. Back‐end: C# (.NET), SQL Server (including query optimisation). Strong communication skills and ability to explain technical concepts to developers and non‐technical stakeholders. Experience working ...

Senior Full Stack Developer (Java/C#)

Hiring Organisation
CEI England Limited T/A CEI GB
Location
Isleworth, London, United Kingdom
Employment Type
Contract
Contract Rate
£380 per day
Senior Full Stack Developer (Java/C#) Location: Osterley, UK About the Role We are looking for a talented and passionate Software Engineer to join our engineering team based in Osterley . This is an exciting opportunity to work on modern, scalable applications using the latest technologies … while collaborating with cross-functional teams in an Agile environment. Key Responsibilities Design, develop, and maintain scalable backend services using Java and/or C# . Build modern, responsive user interfaces using ReactJS . Develop and support RESTful APIs and microservices . Design, optimize, and maintain database solutions using ...

Senior Developer C# / MVC / Vue.js in Norwich - DMR Personnel Ltd

Hiring Organisation
Jobleads-UK
Location
Norwich, England, United Kingdom
Experience with ASP.NET, HTML, SASS/CSS, and web services. A broad technicalskillset with a willingness to learn new and emerging technologies. Technologies ASP.NET C# Cloud CSS JavaScript MVC SASS Vue Web Git SQL TypeScript Agile Team Environment We are a client-driven company that manages millions of pounds ...

Senior Full Stack Developer (React, JavaScript & C#.NET)

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and C# .NET Core will shine! We are looking for a tech-savvy professional with a passion for building scalable applications within the financial sector. This … Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity ...

C#.Net Developer - Kent - To £60K - Jump IT Solutions

Hiring Organisation
Jump IT Recruitment Solutions
Location
Kent
Employment Type
Permanent
Salary
Circa £50,000 + Benefits + Opportunity
About the Role C#.NET, .Net Core, TDD, Entity, MVC, SQL Server, Azure, Cloud, Azure Service Bus, RabbitMQ, Back End, Git, REST APIs. Start 2026 with one of these great new opportunities, based in Kent, UK. ...

Junior C# Stack Developer - Football in East Kilbride - Flow Recruitment Ltd

Hiring Organisation
Jobleads-UK
Location
East Kilbride, Scotland, United Kingdom
Junior C# Stack Developer - Football East Kilbride, United Kingdom Posted 10 months ago Tech stack servicestack React Windows SQL Angular C Powershell JavaScript React Native virtual machines Azure Setup SQL Reporting – Both management and report design SQL merge Replication Power BI Windows Powershell Javascript libraries such ...

Dynamics 365 CE Developer – C#, JavaScript & Power Automate

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Java Script Works is looking for a Microsoft Dynamics 365 CE Developer to build and extend custom functionality using C#, JavaScript, and Power Automate. The role involves collaborating with stakeholders to translate business requirements into functional solutions. This is a full-time position offering compensation ...

C#. Net Developer

Hiring Organisation
JAC Recruitment (UK) Ltd
Location
East London, London, England, United Kingdom
Employment Type
Temporary
Salary
£416 per day
Position: C# .NET Developer Location: London Contract: 6 Months Initially Pay: £416 Umbrella/day Company: Leading provider of IT services to one of the major Japanese banking group in the EMEA region, supporting one of Japan's largest banks and a global financial powerhouse. About … Implementation, Production and Disaster Recovery environments supporting users and preparing documents. Along with the application development, this role will also include supporting the existing C# and .NET applications. General IT Support to maintain environments where JRIE applications are running will be also essential. This will be achieved by working ...

C# Developer - Front Office Engineering Hedge Fund - London - eFinancialCareers

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with pragmatic, commercial solutions. You'll have direct interaction with PMs, quants, and the CTO, contributing across design, architecture, and production support. Tech Environment C# and .NET are central to the team's core systems Python is widely used across quant and data groups Open to candidates from other … essential, but interest in Fixed Income/Rates is beneficial Requirements Strong academic background in Computer Science or related field Excellent programming ability in C# and .NET Experience with large or complex data sets 1-5 years' experience in a software engineering role Interest in finance; exposure to fixed ...

Graduate C#.Net Developer x 2 - Jump IT Solutions

Hiring Organisation
Jump IT Recruitment Solutions
Location
Kent
Employment Type
Permanent
Salary
£25,000 - £40,000 + Benefits + Potential
About the Role C#, .NET, .NET Core, SQL Server, T-SQL, Entity, Azure, App Services, Azure Service Bus, Event-driven architecture, APIs, CI/CD, DevOps. We have 2 great permanent job opportunities to join our client in early 2026. Based in Kent offices, it would really suit someone ...

C# Developer: Build Robust Cloud Apps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Duration: 18 month Location: Brussels, BelgiumIndustry: Consultancy & AdvisorySalary: Competitive (dependent on experience)OverviewWe are seeking a Functional Analyst to bridge business objectives and de c# DevOps EngineerLocation: ZugDuration: 6 monthsStart date: June/July 2026Key ResponsibilitiesLead the migration from multi-repositories to a unified monorepo, including consolidation of GitLab ...

C# Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Cloud Architect Industry: Automotive Location: London About the Role: As a Cloud Architect and a vital member of our team, you will be responsible for designing, implementing, and ERP Transformation PMO Specialist (Senior Consultant – External ...

Full Stack Developer - C#.Net, React, SQL - Kent / Sussex - Jump IT Solutions

Hiring Organisation
Jump IT Recruitment Solutions
Location
Tunbridge Wells
Employment Type
Permanent
Salary
To £60,000 + Benefits
Role C#.NET, .Net Core, TDD, Entity, MVC, SQL Server, Azure, React, Angular. We have a great opportunity that needs a capable full-stack developer, based in the Tunbridge Wells area of West Kent/East Sussex. As the role is hybrid, you do need to live within commuting … distance of Tunbridge Wells (Kent, East Sussex, West Sussex, Surrey). It is a permanent role only. What We're Looking For A developer/software engineer with 2-3 years+ .NET development experience Someone with full-stack experience, although our client will consider those with ...

C# .NET FinTech Developer — FX & Fixed Income

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
fast-growing dynamic brokerage firm in London seeks a C# .NET Software Developer to re-architect and build their middle office platform. The role requires 3-5 years of experience with Microsoft web technologies and SQL Server, with a strong emphasis on relationship building in a fast ...