451 to 475 of 499 C# Jobs in London

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 to join a specialist quantitative technology team responsible … 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# Engineer – Hedge Fund

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
C# Engineer – Quantitative Trading Firm Our client is a dynamic quantitative trading firm that is seeking a C# Engineer to join their team. As a C# Engineer, you will be responsible for designing, developing, and implementing high-performance trading systems that utilize cutting-edge technology to drive the firm … success. Responsibilities: Develop and maintain high-performance trading systems using C# Collaborate with traders and quantitative analysts to develop new trading strategies Optimize and maintain existing trading systems Write clean, maintainable, and efficient code Conduct performance analysis to identify bottlenecks and optimize code Requirements: Bachelor’s or Master’s degree ...

Junior C# Quant Developer - Hybrid London (Mentorship & Impact)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role: Junior C# Quantitative Developer Client: Leading Hedge Fund Compensation: Competitive Base + Performance Bonus Location: London (Hybrid) Overview Join a leading hedge fund where technology and mathematics drive every decision. We’re looking for a talented Junior Quantitative Developer to work alongside experienced quants, traders, and engineers. This … intersection of engineering and research, contributing to the development of mission-critical trading and analytical tools. Key responsibilities include: • Developing and maintaining high-performance C# applications used across research, risk management, and live trading. • Collaborating with quants to implement complex pricing models and robust backtesting frameworks. • Enhancing data processing pipelines ...

Hybrid C# Full-Stack Engineer (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ICAP is seeking a Full Stack C# engineer to design and deliver scalable applications powering critical market infrastructure. You will work across frontend and backend layers using TypeScript, React and C#, with a focus on security, performance, and maintainability. The role involves collaborating with product owners, architects, and engineers ...

.NET Developer

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
.NET Developer – London - £500-550 per day (.NET, C#, SQL, AWS, API Development) We’re working with an industry leading e-commerce site that are looking for several .NET Developers to join them for an initial 6-month projects as part of an ongoing transformation. These roles will require travel … prem environments into AWS-hosted solutions. Working alongside existing engineering teams that already own the services and understand the business logic. Technical requirements C# .NET/.NET Core API development SQL .NET upgrade programmes Cloud-native migrations Interview slots are available for next week. (.NET, C#, SQL, AWS, API Development ...

Senior AI-Driven Full-Stack Developer (FinTech)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Technologies GmbH is seeking a Senior Full Stack Developer specializing in C# .NET to enhance secure, web-based platforms. In this pivotal role, you will leverage AI-assisted tools to improve code quality and delivery speed, ensuring compliance with financial regulations. Ideal candidates have solid experience in C# .NET ...

Power Platform Senior Developer

Hiring Organisation
CodeConvergence
Location
London, UK
Employment Type
Full-time
especially: Model-Driven Apps, Dataverse, Power Automate \n Proven experience building enterprise-grade Power Platform solutions \n Extensive experience customizing Power Platform applications using: - C# Plugins, PCF Controls, Custom Connectors \n Experience in writing and integrating APIs \n Hands-on experience with: Azure API Management, Logic Apps, Azure Functions … solutions for enterprise applications \n Build and enhance Model-Driven Apps, Dataverse solutions, and Power Automate workflows \n Develop custom components and integrations using C# Plugins, PCF, APIs, and Custom Connectors \n Implement integration solutions using Azure APIM, Logic Apps, and Azure Functions \n Manage code repositories, deployment pipelines ...

Senior Power Platform Developer

Hiring Organisation
Europa Search
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Power Platform , especially: Model-Driven Apps, Dataverse, Power Automate Proven experience building enterprise-grade Power Platform solutions Extensive experience customizing Power Platform applications using: - C# Plugins, PCF Controls, Custom Connectors Experience in writing and integrating APIs Hands-on experience with: Azure API Management, Logic Apps, Azure Functions Experience with … Power Platform solutions for enterprise applications Build and enhance Model-Driven Apps, Dataverse solutions, and Power Automate workflows Develop custom components and integrations using C# Plugins, PCF, APIs, and Custom Connectors Implement integration solutions using Azure APIM, Logic Apps, and Azure Functions Manage code repositories, deployment pipelines, and release processes ...

Lead Staff Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London. You will run regular 1:1s, own performance and growth conversations, and participate in hiring.### Skills Required* Backend Systems* Web Platform* Data Platform* C#* .NET* SQL* GraphQL* REST APIs* Reporting Systems* AI Systems* Agentic Systems* Technical Leadership* People Management* Distributed Systems* Cloud* Physical Data Centers* Petabyte-scale Data* Machine … hard problems. You have hands-on experience building and operating backend systems for a web or data platform of meaningful scale. Experience with C#/.NET and SQL is a strong plus, though not required. Experience designing or building GraphQL and/or REST APIs is a plus. Experience with ...

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 the Role: Development … 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 together ...

Quantitative Analyst

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Umbrella Contract Details: Temporary, Initial 6 Months (Likely Extensions) Responsibilities: Develop and maintain enterprise market data publishing applications. Dive deep into a large-scale C# application framework, ensuring top-notch performance. Support market data publication processes, guaranteeing accurate data across multiple internal platforms. Maintain market data entitlements and distribution … critical market data platforms that drive business success. Required Skills & Experience: Proven experience as a Quantitative Developer in a financial services environment. Proficient in C# development, with a knack for contributing to large application libraries and enterprise systems. Experience in developing applications within real-time or market-facing platforms ...

Quantitative Analyst, Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
trading business leveraging a wide variety of mathematical and computer science methods and tools including hardware acceleration, advanced calculus, C++ including STL, C#, .NET, Java, object oriented software design, Python, kdb, Structured Query Language (SQL), mathematical finance/programming and statistics and probability Develop pricing models using numerical techniques … years of experience in a comparable quantitative modeling or analytics role, ideally in the financial sector Must have technical/programming skills; C# .Net, SQL and C++ Exposure to Market Data; Statistics and Probability based calculations; Using probability theory to evaluate the risks of complex financial instruments, solve analytical equations ...

Fullstack Engineer (TypeScript/C#, AWS) – 12‐Month Hybrid

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Alto Software Group is seeking a software engineer for a maternity leave cover, blending TypeScript and C# across a hybrid London footprint. You will work on a dual-stack system, building microfrontends in React and backend services in TypeScript/C#. The role involves collaborating with product teams, adopting ...

Front Office Developer: SQL & .NET in Finance – London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hunter Bond in Greater London is seeking a Front Office Developer to enhance internal applications and data systems. This role offers collaboration with senior stakeholders, focusing on the development of business-critical platforms. The ideal ...

Senior AI Software Engineer: Coding Agent for Game Dev

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Lightspeed Studios is looking for a Sr. AI Software Engineer to lead the development of an innovative in-house AI Coding Agent. This role will significantly enhance our game studios' development pipelines by providing intelligent ...

Software Developer - DV Cleared - Various Locations

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Our client, a prominent entity in the Defence & Security sector, is currently seeking a skilled Software Developer to join their team on a contract basis. This role is integral to enhancing and securing modern technology ...

Senior .NET Engineer – Azure, Blazor & Scalable Apps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
The Emerald Group in London is seeking a Senior Software Engineer to build scalable web applications using .NET, Blazor and C#. You will collaborate with international teams to deliver high-quality, high-performance software and ...

Hybrid Fullstack Engineer (TypeScript/C#) – AWS, AI-Driven

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London is seeking a software engineer for a maternity leave cover role on a hybrid basis. You will work across a dual-stack C# and TypeScript backend, implementing microfrontends and owning features from design to production. You will collaborate with product teams, engage customers to understand problems, and shape architecture ...

Contract C# Software Engineer

Hiring Organisation
Enterprise Recruitment Ltd
Location
KT3, Malden, Greater London, United Kingdom
Employment Type
Contract
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 few weeks). C# Software Engineer skills required - Good analytical skills … 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 with hardware/physical products .NET environment, Windows Forms, TCP/IP & UDP protocols Please apply or call for more information. ...

C# Developer — Greenfield FinTech Tools, Flexible London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
title: C# Developer Client: Elite FinTech Firm Salary: Up to £100k + Bonus + Package Location: London (Flexible Working) Skills: C#, High Performance Tools, Greenfield Projects, STEM Degree (Preferred) The Role An elite fintech firm are searching for C# Developers to join a group of the highest-regarded talent around … 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 Requirements Strong knowledge of C# STEM degree - strong computer science fundamentals (Preferred) #J-18808-Ljbffr ...

Senior .NET C# Engineer Contract 3 Months, Inside IR35

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £350 to £375 per day
Senior .NET C# Engineer (Contract, 3 Months, Inside IR35) Location: London (Hybrid preferred; remote considered for the right candidate) Rate: £350-£375 per day (Inside IR35) We are seeking an experienced Senior .NET C# Engineer to join a fast-paced project focused on building and enhancing data ingestion and search … REST APIs to support a search UI, translating requests into Elasticsearch queries. Required Skills (recent experience within the last 12 months) Strong expertise in C#/.NET development. Hands-on experience with Elasticsearch, including indexing and querying. Desirable Skills Azure services: Functions, Event Hub, Service Bus, OneLake, Cosmos DB, AKS. ...

D365 Technical Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Role – Stay close to the code while guiding technical decisions Cutting‐Edge Tech – Work with Dynamics 365, Azure Cloud, PowerApps, LogicApps, Vue.js , and C# Professional Growth – Access to certifications, leadership pathways, and continuous learning Collaborative Culture – Join a team that values innovation, knowledge sharing, and technical excellence Responsibilities Lead technical … design and development for Dynamics 365 solutions Collaborate with architects and business analysts to translate requirements into scalable designs Provide hands‐on development in C# , Vue.js , PowerApps , and LogicApps Integrate D365 with Azure Cloud services and ensure security best practices Mentor junior developers and enforce coding standards Troubleshoot and optimize ...

D365 CE Developer (Field Service) ...

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Field Service. Build and enhance solutions using the Power Platform, including Power Apps and Power Automate. Develop plugins, custom workflows, and integrations using C# and JavaScript. Work closely with stakeholders to understand requirements and deliver scalable, high‐quality solutions. Support integrations with third‐party systems where required while ensuring best … Customer Engagement (CE) Proven commercial experience with Dynamics 365 Field Service Strong Power Platform skills, including Power Apps and Power Automate Experience developing with C#, JavaScript, plugins, and custom workflows Integration experience with third‐party systems is highly desirable Excellent problem‐solving and stakeholder communication skills Available to start immediately ...

Software Engineer – High-Performance Computing (HPC) / Quant Technology

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
leading university At least 1 year of professional, full-time software engineering experience Commercial experience with at least one of Python, C++, Java or C# Experience with a lower-level/manual-memory programming language such as C, C++ or Rust A strong interest in computer performance, systems or computationally … need to tick every box, but any exposure to the following would be valuable: High-Performance Computing/HPC C++ Python Rust Java or C# GPU programming CUDA or ROCm Parallel programming Distributed systems Cluster computing Job schedulers or batch-processing frameworks Linux Numerical computing Monte Carlo simulation Quantitative finance ...

SQL Developer (SQL Server / Access / VBA)

Hiring Organisation
Nanny Driver Ltd
Location
West Drayton, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
databases, stored procedures and T-SQL code Maintaining and improving Microsoft Access applications Developing user interfaces, forms and reports using Access and VBA Enhancing C# applications that integrate with SQL Server Working directly with users to understand requirements and deliver practical solutions Troubleshooting issues and providing ongoing application support Improving … systems. Skills Required We're looking for someone with experience of most of the following: SQL Server T-SQL Stored Procedures Microsoft Access VBA C# Desktop or business application development User interface, forms or front-end development Working with internal business systems Application support and maintenance Experience with reporting technologies ...