Average Developer C Sharp salary in the UK

C# Developer - Farnborough, Hampshire - Hybrid (2 days onsite)£450-£500 per day (Inside IR35)Hybrid working - 2 days per week in FarnboroughYou must live within 1 hour of travel to siteI am working with a highly regarded global financial services organisation who are looking for a C# Developer with Blazor experience to join their team on a long-term contract basis.This is a fantastic opportunity to join a business where contractors are genuinely valued, integrated into the team, and given the chance to contribute to meaningful, long-term programmes. You'll be working in a collaborative and supportive environment, alongside both internal and external developers, delivering work across new and existing financial systems.You will be responsible for developing and maintaining applications using C#, working on a mix of project-based delivery and ongoing system support. You will play a key role in building scalable, high-quality solutions within a modern financial services environment, contributing to both innovation and stability across critical systems.What you'll be doingYou will develop solutions using C#, .NET Core and modern architecturesYou will deliver enhancements and new functionality across financial systemsYou will work across both project delivery and live application supportYou will collaborate with developers, analysts, and testersYou will support production systems and troubleshoot issuesYou will contribute to a high-performing Agile team environmentWhat I'm looking forStrong background in C#, .Net Core, with a proven understanding of event-driven architectureProficient in Angular framework to build and support frontend web applicationsStrong experience with Razor / Blazor is important for this roleExperience of RESTful API development within microservice architectureExperience of deploying to cloud architecture within KubernetesExperience delivering new functionality and changes to established financial applicationsExperience working as part of a collaborative development team, contributing to code reviews and shared deliveryExperience supporting applications in production environments, including troubleshooting and root cause analysisAbility to work from written specifications or JIRA stories, refining solutions independentlyExperience working with analysts and testers to refine requirements and support deliveryExperience writing and maintaining documentation within JIRA and ConfluenceStrong problem-solving skills with the ability to self-manage and take initiativeDemonstrable experience in IT with a strong track record in design and developmentProven ability to work independently and within Agile teamsExperience engaging with multiple IT teams and external suppliersAbility to adapt to change in a dynamic environmentExposure to Financial Services and mission-critical systemsEnvironment experience (important)You will ideally have worked in complex, enterprise-scale environments, such as:Financial Services (preferred)TelecomsManufacturingRetailFMCGExperience within large, global or blue-chip organisations is highly desirable, particularly where you have supported business-critical systems at scale.EligibilityUK Citizen or ILR preferredNo sponsorship availableThis is a long-term opportunity with annual renewalsBefore applyingPlease ensure your CV clearly demonstrates all the required skills and experience listed above so your application can be quickly identified as relevant.Apply nowThis is a high-quality, long-term opportunity with a leading global organisation, and roles like this are rarely on the market for long.Due to demand, only the strongest and most relevant profiles will be considered. If this aligns with your experience, I would strongly recommend applying as soon as possible to avoid missing out.Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk

C++ / C# Software Developer Permanent • Full-time • Near Northampton, UK • £45,000–£60,000 DOEAre you a skilled C++ or C# developer who wants to write software that genuinely matters? Our client builds cutting-edge security and intelligence systems used by law enforcement agencies, government bodies, and national security operations across the globe. This is a rare opportunity to work on technically challenging, high-impact software – all designed and manufactured in the UK.Our client is looking to make more than one hire as they grow the team, so if you know someone who might also be a good fit, feel free to point them this way too.This is deliberately a broad list of skills that are useful to our client across a range of projects. We’re not expecting any one person to have them all. If you’re a strong C++/C# developer with some of these capabilities and a genuine interest in this field, we want to hear from you – applications from developers at all levels of experience are welcome.What you’ll be doingFull-stack development – building high-performance, scalable solutions across frontend and backend technologiesReal-time programming – writing software to process and handle live incoming data streamsIntegrating products with third-party APIsContributing across all phases of the software development lifecycleWorking closely with the software team lead and QA EngineerWhat we’re looking forThe essentials – you’ll need to bring:5+ years of hands-on C++ and/or C# development experienceSolid experience with SQL, HTTP, JSON, FTP and WPFProven real-time programming skills – processing live, streaming dataA sound understanding of networking protocols and the OSI modelA genuine appetite to learn new technologies, frameworks and research areasBonus points if you haveYou don’t need all of these – but any of the following will make your application stand out:VoIP/SIP/RTP/RTSP/TCP/UDP – deep working knowledgeExperience with SS7, DIAMETER, VoLTE, SCTP or streamed videoUnreal Engine development (C++ backend)CUDA and AI developmentGStreamer, FFmpeg, WebRTC and hardware-accelerated video pipelinesMSSQL and large databases, HTML, Fluent 2IoT and edge-device integration, distributed systems or event-driven architectureKnowledge of cellular telecoms networksSoftware defined radio – Python, Matlab, DSP, IQ processingExperience working in an Agile teamWhat’s on offerSalary of £45,000–£60,000 depending on experience and skillset33 days’ annual leave including Bank Holidays, rising to 38 days after 5 yearsPrimarily office-based near Northampton, with one day per week working from home available after a settling-in periodTravel insurance covering leisure trips for you, your partner and children4% employer pension contribution, matchedShare scheme recognising employees who consistently go above and beyondFree on-site parkingReal opportunities for progression, skill development and international travelAbout our clientWith over two decades of experience, our client is a trusted partner to government agencies and law enforcement worldwide. They develop innovative, award-winning security and intelligence solutions spanning lawful interception, border security, counter-terrorism and technical surveillance countermeasures – all designed and built in the UK.The cultureThis is a collaborative, open and supportive team where people are given real autonomy and encouraged to take initiative. Our client operates with a fail-fast philosophy – they move quickly, learn from experience, and continuously improve. Personal development is taken seriously, with regular one-to-one manager interactions, mentoring, and access to external learning. Exceptional contributions are recognised and rewarded.Interested?If you have the right qualifications and experience, hold the permanent right to work in the UK, and live within a commutable distance of Northampton, we’d love to hear from you.

C++, Market Connectivity, SOR, Low Latency, Systematic TradingMcGregor Boyall are partnered with a leading systematic trading fund operating within the London market. This tech-driven investment manager uses highly algorithmic strategies to generate returns and is currently expanding after a strong 2025.The successful applicant will be a key member of the global Market Connectivity team, building and enhancing market access systems, for all spectrums of the trading business. The role will cover design, development, validation, deployment, and production support of trading gateways and market data handlers to global exchanges and brokersThere are two hires here so we can consider candidates at either mid-level (2-10 years) or senior hires. You will receive a guaranteed bonus in your 1st year and financial packages have a high degree of flexibility for the right person (total comp can exceed £350k).This role requires candidates based in London.Required skills:- Excellent C++ programming ability. You will be using modern versions (20+) in a latency-critical environment hosted on Linux- Prior smart order routing/ market connectivity experience essential. We are looking for people currently working in this space at a top investment bank, prop trader or hedge fund- Current experience working on mulithreaded, distributed systems Nice to have:- Masters degree in relevant field- Python scripting- FIX- Exchange trading gateways or market data feed handlersMcGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.