1 to 25 of 30 Permanent C# Developer Jobs

Senior C# Developer .Net Core AWS

Hiring Organisation
Client Server
Location
Sunderland, Tyne and Wear, UK
Senior C# Developer/Software Engineer (C# .Net Core AWS) Sunderland/WFH to £75k Do you have strong C# .Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing … games/gambling site, whilst enjoying a range of benefits and perks. As a Senior C# Developer within the customer onboarding team you will help shape the player onboarding and registration journeys, including KYC and identity verifications. You'll design and develop backend features that interact with ...

Senior C# Developer - Finance

Hiring Organisation
Client Server
Location
London, UK
Senior C# Developer/Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer … strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based ...

Senior C# Developer

Hiring Organisation
Adria Solutions
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent
Salary
£85,000
Senior C# Developer Warrington Our client, an innovative technology company based in Warrington, creating cutting-edge solutions that combine enterprise software, security, and AI capabilities. Our clients projects span multiple industries, and we pride ourselves on delivering robust, scalable applications while staying at the forefront of emerging … technologies. They are now looking for a Senior C# Developer to join our growing team. This is an exciting opportunity to work on challenging projects, influence architecture decisions, and help shape the future of our software solutions. What Youll Do Design, develop, and maintain high-quality C# ...

Full-Stack C# Developer

Hiring Organisation
Deerfoot Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £110,000 per annum
Full-Stack C# Developer - Greenfield Projects - £40k - £110k DOE (Various roles) City of London Are you a talented developer looking to work in a non-corporate, collaborative environment where your technical input makes a genuine difference? We are currently partnering with a forward-thinking team … team, free from bureaucratic hurdles, where your ideas and solutions are truly valued. Key Responsibilities Build and maintain bespoke in-house applications within a C#/.NET, SQL Server, and ASP.NET ecosystem. Analyse sports markets and identify new investment opportunities using highly automated, data-driven processes. Take ownership ...

Full-Stack C# Developer

Hiring Organisation
Deerfoot Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £110000/annum
Full-Stack C# Developer - Greenfield Projects - £40k - £110k DOE (Various roles) City of London Are you a talented developer looking to work in a non-corporate, collaborative environment where your technical input makes a genuine difference? We are currently partnering with a forward-thinking team … team, free from bureaucratic hurdles, where your ideas and solutions are truly valued. Key Responsibilities Build and maintain bespoke in-house applications within a C#/.NET, SQL Server, and ASP.NET ecosystem. Analyse sports markets and identify new investment opportunities using highly automated, data-driven processes. Take ownership ...

React/.Net C# Developer

Hiring Organisation
Crystal Data LLC
Location
Boise, Idaho, United States
Employment Type
Permanent
Salary
USD Annual
React/.Net C# Developer Boise, ID Onsite In-person interview only Full-stack React/.net C# developer, to assist with the development of an application of a legal case data portal, where users can search and find case data. REQUIRED: React & Javascript … indicated by the need for Node/NPM in the README). 4+ years JavaScript/TypeScript: Writing maintainable, modular code for the frontend C#/.NET 4+ years Strong proficiency in C# and the .NET 6/8 ecosystem 4+ years Experience with ASP.NET Core for building ...

Senior Full Stack developer C# / React /Azure - Perm - hybrid

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
Coventry, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Full Stack Developer (C#/React/Azure) Location: Coventry - Hybrid (2 days onsite per week) Salary: £60,000 - £70,000 Eligibility: Must be based in the UK - no visa sponsorship available About the Company Join a fast-moving digital team that's modernising enterprise systems …/CD tools Develop and maintain RESTful APIs and web applications Support continuous improvement by researching new tools and methods Core Tech Stack: Backend: C#, .NET Core, REST APIs Frontend: ReactJS, JavaScript, Blazor, HTML, CSS Cloud & DevOps: Azure, Azure DevOps, GIT Database: PostgreSQL/SQL Containerisation: Docker, Kubernetes (nice ...

C# Developer - Top Market Maker - London

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
C# Developer – Fixed Income Options London | Hybrid | Leading Options Market Maker A leading global options market maker is expanding its Fixed Income Trading team in London and is seeking a junior to mid-level C# Developer to join a high-impact, front-office engineering … enhance trading tools and systems that support pricing, execution, and research across fixed income options markets. About this role: Develop and enhance high-performance C# trading applications used by front-office teams Collaborate closely with traders and quantitative researchers to enable new trading strategies Build scalable, low-latency systems ...

C# Senior Software Developer

Hiring Organisation
Adria Solutions
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
C# Senior Software Developer - Onsite My client is seeking a talented C# Senior Software Developer to join their Preston-based team. This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will … infrastructure, and QA teams for portal and API releases Participate in code reviews, version control, and CI/CD deployment workflows Required Technical Skills C# (strong proficiency) ASP.NET MVC or .NET Core Web API MVC concepts: Routing, Controllers, Filters, Middleware, Model Binding, Dependency Injection Entity Framework Core (DbContext, DbSet ...

Software Developer - C# / .NET MAUI

Hiring Organisation
Octagon Group
Location
Southampton, UK
Software Developer (C#/.NET/MAUI) – Southampton, Hampshire Are you a C#/.NET Software Developer looking for a role where you can build real-world products that make an impact? This is an exciting chance to join a specialist engineering team developing … take ownership while working on challenging projects. What you’ll be doing: Designing, developing, and maintaining Android, PC, and cloud-based applications Using C#, .NET, and .NET MAUI to create intuitive and reliable software Collaborating with R&D and UX/UI teams to deliver new features and improvements ...

Senior C# Developer

Hiring Organisation
Adria Solutions
Location
Warrington, Cheshire, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Senior C# Developer Warrington Our client, an innovative technology company based in Warrington, creating cutting-edge solutions that combine enterprise software, security, and AI capabilities. Our clients projects span multiple industries, and we pride ourselves on delivering robust, scalable applications while staying at the forefront of emerging ...

C# Developer

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
Title: C# Developer Client: Elite FinTech Firm Experience Level: 2+ years' Salary: Up to £100k + Bonus + Package Location: London (Flexible Working) An elite fintech firm are searching for C# Developers to join a group of the highest-regarded talent around! This team … high performance tools - utilising cutting edge technology across a diverse range of greenfield projects Tech driven environment - most recent versions/frameworks of C# used daily Skills/Experience Strong knowledge of C# STEM degree - strong computer science fundamentals (Preferred ...

C# Developer

Hiring Organisation
Bonhill Partners
Location
City of London, London, United Kingdom
Client: Energy Trading Firm Location: London, hybrid 2 days Job Title: C# Developer Salary: Up to £120k Bonhill Partners are currently supporting a Global Energy Trading company to expand their Front Office Engineering Team with a C# Developer. Requirements High-level expertise in C# Experience ...

C# Senior Software Developer

Hiring Organisation
Adria Solutions
Location
Preston, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
C# Senior Software Developer - Onsite My client is seeking a talented C# Senior Software Developer to join their Preston-based team. This role offers an exciting opportunity to lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will ...

Senior Full Stack developer C# / React /Azure - Perm - hybrid

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
Coventry, Warwickshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Full Stack Developer (C#/React/Azure) Location: Coventry - Hybrid (2 days onsite per week) Salary: £60,000 - £70,000 Eligibility: Must be based in the UK - no visa sponsorship available About the Company Join a fast-moving digital team that's modernising enterprise systems ...

Full Stack Developer C# TypeScript AWS

Hiring Organisation
Client Server
Location
Sunderland, Tyne and Wear, UK
Full Stack Developer/Engineer (C# TypeScript AWS) Sunderland/WFH to £55k Opportunity to progress your career in a hands-on Full Stack Developer role at a at a growing games/gambling site, whilst enjoying a range of benefits and perks. … build captivating full stack web applications across all backend services and REST APIs that form the core platform e.g. payments. You'll be using C# .Net core through to TypeScript and Vue.js within an AWS cloud based environment with Docker, Terraform (IaC), TeamCity, SQL and Redis; you'll gain ...

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 ...

Snr. Software Developer (C# / React / Typescript/ FX Options) - £700 -£900pd Inside IR35

Hiring Organisation
Hawksworth
Location
City of London, London, United Kingdom
with Trading, Quant, and Technology colleagues across London, Hong Kong and New York. You will contribute to the full stack: TypeScript/React UI, C# services, PostgreSQL, and pricing services integrating with quant libraries. Required experience: Degree educated in a IT related subject Expert in Software development Solid understanding … Mathematics as applied to derivatives risk and pricing. Expert C# Expert in Typescript/React Proficient in Quant Library integration Used to working in a faced paced Agile environment Front-Office experience with direct contact with Traders Any experience with interacting with APIs and web services interfaces. ...

Senior C# Developer - Head of Core Platform | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
will develop and consolidate systems, write software, guide a team of developers, and take ownership of several critical platforms. This includes an in‐house C# PnL and Risk system that performs real‐time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform. … date) accounting reconciliations Particular interest in candidates with Fixed Income and Rates experience Technical Skills Strong computer science fundamentals Hands‐on development experience in: C# and .NET (essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such ...

Software Developers (Python / C# .NET)

Hiring Organisation
Populus Select Ltd
Location
Stockton-On-Tees, England, United Kingdom
partnering with a forward-thinking and rapidly growing organisation looking to hire multiple Software Developers with expertise in either Python or C#/.NET . This is an excellent opportunity to join a collaborative, technology-driven environment delivering scalable, high-impact solutions. Whether your background is in Python-based … frameworks such as Django, Flask, or FastAPI Familiarity with APIs, microservices, and cloud environments Knowledge of SQL and/or NoSQL databases Key Requirements (C#/.NET Developers): Strong experience with C# and .NET (e.g., .NET Core/.NET 6+) Experience with ASP.NET, MVC, and/ ...

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

Hiring Organisation
Undisclosed
Location
City of London, London, 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 ...

C# Front Office Developer- TOP HEDGE FUND!

Hiring Organisation
Robert Half Limited
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
C# Front Office Developer- TOP HEDGE FUND! Robert Half Limited is representing this client. This is a Permanent role with a high bonus Hybrid working -Based in the city and 3 days in the office and 2 days from home This isn't a large PM environment … Forwards Why this role? Small, elite team (no big firm bureaucracy) Real ownership & direct impact High-volume, fast-paced environment Strong engineering culture (C#, Python, SQL, MUST HAVE Azure, CI/CD) Must have: Strong C# experience in financial markets with at least 4+ years' experience Exposure ...

C# .NET Developer

Hiring Organisation
Proactive Appointments
Location
Taunton, Somerset, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
their growing development team on a permanent basis. This role is ideal for someone who already has 2-3 years commercial experience with C# and .NET Core and is looking to take the next step in a collaborative, forward-thinking environment. Responsibilities: Build, test, and deploy scalable applications using … C# and .NET Core. Write clean, well-structured, and maintainable code following best practices. Take part in code reviews and share constructive feedback with the team. Investigate and fix issues, improving performance where needed. Keep up to date with new technologies and industry trends to ensure solutions remain modern ...

C# Developer

Hiring Organisation
BMC Recruitment Group Ltd
Location
Newcastle upon Tyne, Tyne & Wear, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
already set but there is plenty of opportunity to put forward your input into the development. An ability to develop web applications in c# and manage a small team of developers. So much cutting edge technology to get involved with!! Key Benefits: Full time – Permanent 1-2 days … week in the office in Central Newcastle (must be local) Salary from £70k Good pension and holidays Responsibilities/Requirements: Strong c# backend and web development and skills Team Leading skills of a small team An interest in AI and looking to utilise AI in development Unit testing ...

Senior C#/.NET Developer - Government Law Enforcement

Hiring Organisation
Zirlen Technologies
Location
Columbia, South Carolina, United States
Employment Type
Permanent
Salary
USD Annual
Project Must be a South Carolina Residents - No other States candidates Visa - USC & GC only Required 5+ Years of Experience Developing .Net Solutions using C#, ASP.NET, XML, Java Script Experience with law enforcement switch environments, including dispatch, communications, or public safety systems 5+ Years of Experience with SQL Server ...