1 to 25 of 33 C# Software Engineer Jobs in London

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first … weeks). C# Software Engineer skills required - Good analytical skills and experience of code and design review for large projects. Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. Strong Experience in developing Windows desktop applications in C# Interfacing ...

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first … weeks). C# Software Engineer skills required - Good analytical skills and experience of code and design review for large projects. Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. Interfacing with hardware/physical products .NET environment, Windows Forms ...

C# Software Engineer | Front Office Trading | Investment Bank Contact email: othorne@vertuspartners.com Job ref: OT-071026_1791363117 Startdate: 1-3 Months C# Software Engineer | Front Office Trading Technology | Investment Bank The Role: A major financial services organisation is looking … into practical solutions Support the migration of legacy applications towards modern cloud-native architectures What You Bring: Strong software engineering capability across C# and .NET Experience working with relational databases such as Oracle, SQL Server or PostgreSQL Knowledge of API design and distributed application development Exposure ...

Software Engineer (C#) - 6 month contract - New Malden, London - £53.10 ph UMB or £39.41 ph PAYE (Inside IR35) The Umbrella rate quoted above is the Gross Umbrella rate (i.e. the rate we pay to the Umbrella Company inclusive of ALL employment costs). Please note … process Experience with many of the following: Experience as a Software Engineer with particular focus to development and testing using C# WPF (Windows Presentation Foundation) experience Powershell Unit, regression and system testing Security Requirements: SC & UK EYES ONLY This role will require the person ...

Principal Software Engineer/Developer (C# .Net AWS Python) London/WFH to £130k Would you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal … experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have technical project ...

Software Engineer – C#/Java Key Technologies: C# and or Java Developers needed. London Perm Role | 3 Days a week in the office. £55,000 - £65,000 Harrington Starr has partnered with a well-established Financial Consultancy to find a Full Stack Developer … hands‐on development role, supporting a range of internal systems across trading and business operations. Key Responsibilities: Develop and maintain software using C#, and or Java Integrate real‐time and historical data from third‐party APIs Follow agile sprint plans and deliver reliable, secure solutions Ensure systems ...

Senior Software Engineer LONDON (1 day per week; Fridays) Job role This is a challenging role that will see you be involved in enhancing and modernising a critical front office trading system as the primary objective. With your software development background … domain and enterprise levels , identifying transformational opportunities for the businesses and technology areas Skills required: Significant experience in software engineering in C# and .Net database design using Oracle, SQL Server or Postgres , and architecture. Experience of developing software within a DevOps and Agile framework. ...

Principal Software Engineer/Developer (C# .Net AWS Python) London/WFH to £130k Would you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal … influence and progression? As a Principal Software Engineer you will architect and build highly performant and scalable solutions using the Microsoft tech stack an click apply for full job details ...

Matchtech Group are seeking a Software Engineer (C#) on a 6 month contract in New Malden, London. You will develop and maintain software used across projects, applying your C# skills and contributing to test activities. You will work in a multi-project … cross-functional environment, using Agile practices and WPF/PowerShell tooling to deliver robust software, with onsite work and UK Security Clearance requirements. #J-18808-Ljbffr ...

Jobs Watch Ltd. seeks a Contract C# Software Engineer to develop Windows applications interfacing with hardware near Wimbledon. The role is a 6-month contract, on-site three days per week, and falls inside IR35. It emphasizes analytical skills, design reviews, and experience with multi ...

Harrington Starr is seeking a Software … Engineer at associate level to join a hands-on development team in London. You\'ll build and maintain software using C# and/or Java, integrate real-time data from third-party APIs, and work within agile sprints to deliver secure, compliant solutions for trading ...

Redline Group in Uxbridge is seeking a Senior Software Engineer to develop robust C#/.NET applications and RESTful APIs for next‐gen instrumentation products. You will join a motivated engineering team and contribute to design, coding and debugging across multiple software languages. … ideal candidate has strong C#/.NET experience, VB, SQL and Visual Studio expertise, and a solid grasp of software development methodologies. This role offers hands‐on coding in a dynamic environment. #J-18808-Ljbffr ...

observability tooling and instrumentation (OpenTelemetry exposure required) Improve engineering consistency through reusable patterns and automation Support distributed systems and backend engineering initiatives Work across C# and Python environments Collaborate with engineers to improve reliability, telemetry, and system insight What we’re looking for Strong Software Engineering background … C# and/or Python Experience building SDKs, libraries, or internal developer tooling Familiarity with observability concepts (Otel, tracing, metrics, logging) Experience working in distributed systems or platform-style environments Strong understanding of software design patterns and reusable architecture Comfortable working across multiple teams and systems Nice ...

looking for a Senior Software Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located … related field 8+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge ...

building the first global data-driven last-mile network that has the potential to solve industry-wide problems. We're hiring a Senior Software Engineer who treats software as a craft, not a checklist. You'll join a small, high-trust team where ownership … Work outside strict role boundaries when needed, without feeding burnout culture Communicate technical decisions clearly and push back constructively when required Core technical skills C#/.NET 8+ , Entity Framework Core, async/await, MediatR/CQRS Strong understanding of distributed systems : consistency models, event-driven patterns, idempotency, race ...

Client Server Limited is seeking a Principal Software Engineer in London/Hybrid to architect and deliver scalable C#/.NET services on AWS, with optional Python work. You will influence product direction, champion best practices, and guide cross-functional teams in fast-paced sprints. … role offers hybrid work with two days in the London office and two days remote. The ideal candidate has deep C#/.NET experience, AWS knowledge, and a track record delivering scalable fintech-style systems, with #J-18808-Ljbffr ...

Insightful Technology is seeking a mid-level Software Engineer to develop and maintain backend services for SOTERIATM solutions, focusing on C# development in a regulated environment. The role involves working across design, development, testing, and deployment to deliver scalable, secure features. You will collaborate with ...

Staff Software Engineer, Liquidity Management (C#/.NET) London, UK At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments … design Knowledge of observability: logging, metrics, tracing, and alerting strategies Experience with microservices deployment patterns and service mesh concepts Core Technologies: Deep expertise with C#/.NET Expert in relational databases (SQL Server ideally), including query optimization, indexing strategies, and data modeling Experience building and maintaining RESTful APIs ...

Description A Tier 1 Global Investment Bank are looking for a Software Engineer to join their eTrading Team to assist in building quality software so Traders are able to work as effiecently as possible. This role with involve a lot of cross collaboration with … eTrading preferred, if not FIxed Income or a similar Asset class experience would be essential. Knowledge of the .NET infrastructure Strong Experience with C# Azure Knowledge (Bicep, Networking, Service Bus, App Service, Functions, Cosmos DB) Soft Skills Being able to clear communicate to Traders in laymans Terms. Experience within ...

Description A Tier 1 Global Investment Bank are looking for a Software Engineer to join their eTrading Team to assist in building quality software so Traders are able to work as effiecently as possible. This role with involve a lot of cross collaboration with … eTrading preferred, if not FIxed Income or a similar Asset class experience would be essential. Knowledge of the .NET infrastructure Strong Experience with C# Azure Knowledge (Bicep, Networking, Service Bus, App Service, Functions, Cosmos DB) Soft Skills Being able to clear communicate to Traders in laymans Terms. Experience within ...

seeking a Software Engineer for the Unified Platform - Business Experience team … London. You will contribute to legacy code, take ownership of small projects and collaborate with business users to improve tooling. Fluency in Python or C#, strong communication, and 6+ years in software engineering are required; Bachelor's in CS or equivalent. The role offers exposure to proprietary ...

Source Group International is partnering with a Tier 1 Global Investment Bank to hire a Software Engineer for the eTrading Team. You will help build quality software so Traders can work … efficiently as possible and collaborate closely with the trade floor. Key projects include integration of external applications and enhancing the eTrading platform using C# and .NET, with Azure services such as Service Bus, Cosmos DB and App Service. #J-18808-Ljbffr ...

Moonpig is hiring a Software Engineer in London with hybrid work arrangements (2 days per week in the office). You will develop and maintain full-stack applications … powering our gift experiences, including Hotels, Gourmet experiences, and Days Out, ensuring a seamless booking journey for customers. You'll work with TypeScript, React, C#, .NET Core, and Azure across the full SDLC, collaborating with product managers, designers, engineers, and other stakeholders to deliver high-quality solutions #J ...

## Full descriptionDeductaSenior Software Engineer - BackendLocation: London, UK, near London Bridge. Hybrid, 2 in-person days a week.Compensation: £120k base salary plus equityVisa Sponsorship: Available for the right candidateStart Date: As soon as possibleWhy we existEvery decision a business makes, from the suppliers it trusts … pipelines and tools you've built are reliable, documented and used by the team without needing you.Who you areYou're a senior backend engineer who enjoys hard, loosely defined problems and takes them all the way to production. You don't need a background in enterprise data ...

London is seeking a Software Engineer for the Unified Platform - Business Experience team. You will maintain legacy code and contribute to green-field … development to empower business users with DRW technology. The role requires 6+ years of software engineering, fluency in Python and/or C#, and a Bachelor's degree in CS or SE. You will gather requirements, lead projects, and work with AI coding assistants to accelerate delivery. ...