C# Jobs in the South East

676 to 700 of 744 C# Jobs in the South East

Senior eFX Low Latency Java Developer

london, south east england, united kingdom
Hybrid / WFH Options
Quanteam UK
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 low-latency Java role, encompassing pricing work, hedging work, market connectivity work and associated services around that. … FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for major Capital More ❯
Posted:

Senior eFX Low Latency Java Developer

slough, south east england, united kingdom
Hybrid / WFH Options
Quanteam UK
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 low-latency Java role, encompassing pricing work, hedging work, market connectivity work and associated services around that. … FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for major Capital More ❯
Posted:

Senior eFX Low Latency Java Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Quanteam UK
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 low-latency Java role, encompassing pricing work, hedging work, market connectivity work and associated services around that. … FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for major Capital More ❯
Posted:

Digital Apprenticeship - Software & platform engineering

BP ICBT, Chertsey Road, Sunbury-on-Thames, Surrey, England
BP P.L.C
Our digital apprenticeship programs are 2 years long. During this time, you’ll work on different projects alongside learning day to day operations, to become a rounded professional. Role We’ve embarked on an ambitious plan to modernise and transform More ❯
Employment Type: Higher Apprenticeship
Salary: £22,100 a year
Posted:

QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷

london, south east england, united kingdom
Hybrid / WFH Options
VirtueTech Recruitment Group
QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷 My client is seeking a QA Engineer to work across the front, middle and back office. This role is seeking candidates who have exposure to the below skill set and come from a financial background. Location - London📍 Salary - £95,000 💷 Hybrid Working - 3 days per week onsite 🏢 Strong proficiency in C# and More ❯
Posted:

QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷

slough, south east england, united kingdom
Hybrid / WFH Options
VirtueTech Recruitment Group
QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷 My client is seeking a QA Engineer to work across the front, middle and back office. This role is seeking candidates who have exposure to the below skill set and come from a financial background. Location - London📍 Salary - £95,000 💷 Hybrid Working - 3 days per week onsite 🏢 Strong proficiency in C# and More ❯
Posted:

QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷

london (city of london), south east england, united kingdom
Hybrid / WFH Options
VirtueTech Recruitment Group
QA Engineer 🧑💻 | C# | JavaScript | Playwright | FinTech | £95,000💷 My client is seeking a QA Engineer to work across the front, middle and back office. This role is seeking candidates who have exposure to the below skill set and come from a financial background. Location - London📍 Salary - £95,000 💷 Hybrid Working - 3 days per week onsite 🏢 Strong proficiency in C# and More ❯
Posted:

Head of Software Development

Guildford, Surrey, South East, United Kingdom
REC SOLUTIONS LIMITED
Head of Software Development (C#,C++, SQL, .NET, Trading, FinTech, Financial Technology, financial Services) An exciting opportunity has arisen for a Head Of Software Development to join my clients Development department.This is a senior role reporting directly to the COO, with overall responsibility for both our Software Development and QA teams. As Head Of Software Development you will join a … An award-winning company, my client has developed a number of industry-first products to help improve the capabilities of retail brokers and crypto providers across the globe. Benefits (C#,C++, SQL, .NET, Trading, FinTech, Financial Technology, financial Services) 25 days basic annual leave, increasing with length of service Paid days off on your birthday, a house move, and your … leave per year Better than matching employee pension scheme Cycle to Work scheme Payroll Giving charity donation scheme Company-paid healthcare cash plan Company Share Options scheme Key Responsibilities (C#,C++, SQL, .NET, Trading, FinTech, Financial Technology, financial Services) Resource and project management across both the Development and QA functions. Performance management of all direct reports, including regular More ❯
Employment Type: Permanent
Posted:

C# Software Engineer

Stevenage, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
MBDA
We have an exciting opportunity for a proactive and passionate C# software developer to join our Weapons System Simulation and Experimentation (WSSE) team! Salary : Up to £57,000, depending on experience & grade Dynamic (hybrid) working : 2- 3 days per week on-site due to workload classification Security Clearance : British Citizen Restrictions and/or limitations relating to nationality and/… for passionate software developers with experience in using software to build hardware solutions or synthetic environments. The successful candidates will be able to demonstrate exposure to practical software engineering, C#/C++ software development. You will be able to demonstrate your experience/knowledge in some of the following areas: Real-Time Software Configuration control Continuous Integration and Continuous Delivery More ❯
Employment Type: Permanent, Work From Home
Posted:

Software Engineer (SC & NPPV3)

South East London, London, United Kingdom
Hybrid / WFH Options
Data Careers
quality applications. This role requires active SC and NPPV3 clearance from day one. This is a fully remote UK based role. Key Responsibilities Design, develop, and maintain applications using C# and .NET Framework/.NET 6+ Work with XML/JSON APIs for integration and data exchange Develop and execute automated tests with MSTest Collaborate with stakeholders to gather and … analyse requirements Ensure software is secure, scalable, and maintainable Essential Skills Strong commercial experience in C# In-depth knowledge of .NET Framework and .NET 6+ Proven experience working with XML/JSON APIs Proficiency with MSTest Background in requirements gathering and analysis Highly Beneficial Skills Docker Oracle SQL Postman Swagger Desirable Skills PowerShell scripting More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £600 per day
Posted:

Senior Software Developer

Loughton, Essex, South East, United Kingdom
Platform Recruitment Limited
the Life Science industry. Alongside software, bespoke devices and integrated systems that are deployed in labs worldwide. Key Responsibilities - Design, develop, and maintain backend services and desktop applications with C#/.NET - Work on performance-critical systems (concurrency, multithreading, and low-latency data flows - Collaborate across disciplines to integrate software with hardware, robotics, and automation systems - Provide technical leadership, mentorship … and input into architectural decisions Key Requirements - Expertise in C# and the .NET, desktop + cloud environments - Adaptability and a proactive, can-do attitude - Excellent problem-solving and analytical mindset - Experience or exposure to industrial automation, electromechanical systems, or hardware integration is desirable - AI exposure or interest in applying AI techniques Benefits - Opportunity to work at the intersection of software More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Senior Software Engineer / Architect

portsmouth, hampshire, south east england, united kingdom
Spectrum IT Recruitment
Senior Software Engineer/Architect C#, Azure, DevOps, ElasticSearch, Kubernetes Hybrid - 2 days per week on-site in Southampton Salary: £65,000 - £75,000 + bonus Are you an experienced Senior Software Engineer looking for your next big challenge? Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This … in a cutting-edge environment. You will be responsible for: Owning the architecture, and carrying out design, implementation and developer-level test, of UI, server, and interface components, using C#, in on-premise, multi-threaded, multi-server environments. Leading technical decisions on architectural direction using a collaborative, team-based approach. Ensuring the architecture takes into account the concerns of security More ❯
Posted:

Senior Software Engineer

Southampton, Hampshire, United Kingdom
Spectrum IT Recruitment
Senior Software Engineer C#, Azure, DevOps, ElasticSearch, Kubernetes Hybrid - 2 days per week on-site in Southampton Salary: £70,000 + bonus Are you an experienced Senior Software Engineer looking for your next big challenge? Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This is your chance to … in a cutting-edge environment. You will be responsible for: Owning the architecture, and carrying out design, implementation and developer-level test, of UI, server, and interface components, using C#, in on-premise, multi-threaded, multi-server environments. Leading technical decisions on architectural direction using a collaborative, team-based approach. Ensuring the architecture takes into account the concerns of security More ❯
Employment Type: Permanent
Salary: £65000 - £70000/annum Bonus and Benefits
Posted:

Senior Software Engineer / Architect

Southampton, Hampshire, United Kingdom
Spectrum IT Recruitment
Senior Software Engineer/Architect C#, Azure, DevOps, ElasticSearch, Kubernetes Hybrid - 2 days per week on-site in Southampton Salary: £65,000 - £75,000 + bonus Are you an experienced Senior Software Engineer looking for your next big challenge? Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This … in a cutting-edge environment. You will be responsible for: Owning the architecture, and carrying out design, implementation and developer-level test, of UI, server, and interface components, using C#, in on-premise, multi-threaded, multi-server environments. Leading technical decisions on architectural direction using a collaborative, team-based approach. Ensuring the architecture takes into account the concerns of security More ❯
Employment Type: Permanent
Salary: £65000 - £75000/annum Bonus and Benefits
Posted:

Backend Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
DeepL
fellow engineers to design and maintain the backend services powering our customization features. As a Senior Backend Engineer, your expertise in building scalable systems using modern technologies (such as C# and .NET Core) will be instrumental in enabling these features horizontally across our products - Translate, Voice and APs. Your contributions will help shape the technical architecture underpinning customization workflows, ensuring … on-call rotation as needed. Qualities we look for Proficiency in a modern programming language with solid experience in backend development. Exposure to or familiarity with our tech stack (C#, .NET Core, gRPC) or similar technologies would be beneficial but is not a strict requirement. What's more important is your willingness and ability to learn new technologies quickly. Experience More ❯
Posted:

Senior Cloud Software Development Engineer in Test (SDET)

Holybrook, Berkshire, UK
Ciphr
Senior Cloud Software Development Engineer in Test (SDET) Ciphr has an exciting opportunity for a Senior Cloud Software Development Engineer in Test (SDET) to join the team as we grow and develop. Youll be responsible for leading testing of the More ❯
Employment Type: Part-time
Posted:

Senior Cloud Software Development Engineer in Test (SDET)

Reading, England, United Kingdom
Ciphr
Senior Cloud Software Development Engineer in Test (SDET) Ciphr has an exciting opportunity for a Senior Cloud Software Development Engineer in Test (SDET) to join the team as we grow and develop. You’ll be responsible for leading testing of More ❯
Posted:

Graduate Quantitative Analyst, Hedge Fund FinTech

slough, south east england, united kingdom
Tempest Vane Partners
The Client My client is a market leading FinTech business that spun-out of one of the largest and most successful hedge funds in the world. Their offering is a suite of technology and investment management infrastructure services that they More ❯
Posted:

Graduate Quantitative Analyst, Hedge Fund FinTech

london, south east england, united kingdom
Tempest Vane Partners
The Client My client is a market leading FinTech business that spun-out of one of the largest and most successful hedge funds in the world. Their offering is a suite of technology and investment management infrastructure services that they More ❯
Posted:

Software Development Manager (C#)

Southampton, Hampshire, United Kingdom
Hybrid / WFH Options
product delivery, shaping and scaling SaaS solutions that directly contribute to tackling climate change and advancing the UKs net-zero goals. Remain technically involved and hands-on, particularly in C#, .NET, and Azure Agile/Scrum, CI/CD pipelines, and code quality standards Ensure performance, security, and reliability of cloud-based systems Act as both a technical leader and … mentor, fostering a culture of innovation and accountability Proven experience building SaaS products from the ground up Strong technical background in C#, .NET, and Azure Solid understanding of modern software development practices, cloud architecture, and Agile delivery 100,000 salary + bonus, pension, holiday & electric car scheme Hybrid working model (23 days per week in Southampton HQ) Modern, values-driven More ❯
Posted:

Senior UX/UI Designer (Fully Remote)

London, South East, England, United Kingdom
Hybrid / WFH Options
Revybe IT Recruitment Ltd
the world. You’ll play a key role in designing seamless user experiences and visually compelling interfaces across a range of web-based products built with React , Blazor , and C# . Working fully remotely, you’ll collaborate with talented engineers, product managers, and stakeholders to deliver innovative solutions that make complex financial data clear and accessible. If you’re passionate … this role is for you. Responsibilities Lead the end-to-end UX and UI design process for responsive web applications. Collaborate closely with product and engineering teams (React, Blazor, C#) to turn concepts into interactive, user-friendly designs. Conduct user research, wireframing, prototyping, and usability testing to validate design decisions. Build and maintain design systems in Figma to ensure consistency … environments. Strong expertise with Figma (design systems, prototyping, and collaborative workflows). Understanding of web frameworks like React and Blazor , and how design translates to functional interfaces. Familiarity with C#/.NET environments or working closely with development teams using these technologies. Excellent communication and collaboration skills - able to work effectively in a remote, cross-functional team . A polished More ❯
Employment Type: Full-Time
Salary: £60,000 - £75,000 per annum
Posted:

Front Office RAD Developer

london, south east england, united kingdom
Tempest Vane Partners
your work on live trading decisions. High-Visibility Projects – Deliver technical solutions that are business-critical, fast-paced, and directly aligned with P&L outcomes. Tech Stack – Work across C#, SQL, and Excel/VBA with opportunities to introduce Python and modern data tools as the role evolves. Autonomy & Ownership – Shape your own solutions, from idea through to deployment, in … them into production. Your work will blend short-term delivery with longer-term technical improvements, always focused on speed, stability, and reusability. Expect to work across technologies such as C#, SQL, and Excel/VBA, with opportunities to incorporate Python and modern data frameworks as projects evolve. What You’ll Need Solid background in front-office or trading technology within … financial services Strong development experience across C#, Excel/VBA, and SQL Understanding of financial products, ideally spanning Fixed Income, Derivatives, or other cross-asset classes A hands-on approach and the confidence to collaborate directly with trading and risk teams The ability to balance fast-paced delivery with structured, maintainable development practices Curious to explore new tools and technologies More ❯
Posted:
C#
the South East
10th Percentile
£32,600
25th Percentile
£41,250
Median
£57,500
75th Percentile
£68,750
90th Percentile
£83,750