76 to 100 of 239 C# Jobs in London

Platform Engineer

Hiring Organisation
AAA Global
Location
City of London, London, United Kingdom
multi-cloud set up is essential. Demonstrable basic development or scripting experience in one or more of the following languages: Bash, Python, Java, C#, Rust, Excel VBA Good Linux/network stack knowledge, as well as optimization/tuning Nice to have: Containerization (Docker/Kubernetes) in a production environment ...

Senior Azure API Engineer

Hiring Organisation
Vermillion Analytics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750/day
Deep expertise in Azure API Management Strong OpenAPI, RESTful API design, and security protocols (OAuth 2.0, JWT, TLS) Proficiency in Node.js/Java/C# and modern integration patterns Experience with CI/CD, monitoring tools, and DevOps practices Security and quality-first mindset Bonus Points: Azure Databricks, Data Platforms ...

Senior Azure API Engineer

Hiring Organisation
Vermillion Analytics
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£550 - £750 per day
Deep expertise in Azure API Management Strong OpenAPI, RESTful API design, and security protocols (OAuth 2.0, JWT, TLS) Proficiency in Node.js/Java/C# and modern integration patterns Experience with CI/CD, monitoring tools, and DevOps practices Security and quality-first mindset Bonus Points: Azure Databricks, Data Platforms ...

C++ Software Developer - Fully REMOTE

Hiring Organisation
DMS Computer Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £75,000 per annum
reading, exploring, and breaking things Very good written and verbal skills in English The following will be considered an advantage: Experience with programming languages C# or Python Experience with GRPC networking and protocol buffers Use of Robot automated testing framework DevOps skills - Docker, Helm, Terraform Knowledge of unit-testing, asynchronous ...

Server Engineer

Hiring Organisation
Lab8 Recruitment
Location
City of London, London, United Kingdom
full potential. Requirements: Strong technical design and coding skills using modern web technologies and frameworks, such as JavaScript/TypeScript and/or C#/.NET, Node.js, cloud platforms (Azure, AWS, or GCP), Kubernetes, SQL and NoSQL databases, and Redis. Broad knowledge of server and network programming fundamentals, including database ...

DeFi Developer | London

Hiring Organisation
AAA Global
Location
London Area, United Kingdom
technical background Rust preferred , but you should be strong in at least one systems/statically typed language: C++/Java/Go/C#/Kotlin/similar Nice to have Strong preference Understanding of trading systems, market structure, or strategy implementation Bonus DeFi familiarity: smart contracts, blockchain APIs ...

Prompt Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
OpenAI, Azure Functions, App Service, Key Vault). Proficiency with REST APIs and JSON; integrating LLM calls into applications/services using Python or C# (Node.js also acceptable). Working knowledge of embeddings, document chunking strategies, indexing, semantic search, and citation/grounding techniques. Experience with vector databases (e.g., Azure ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
.NET Developer, .NET 10.0, C# 14 - Consultancy - London Or Surrey (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise … full project life cycle. .NET Developer applicants should have a skill set that encompasses some or all of the following: .NET, .NET Core, C# and Azure SQL. Knowledge of software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 10.0, ASP.NET Core, C# ...

Graduate .NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £60,000 per annum
Graduate .NET Developer - Investment Bank - London (Tech stack: Graduate .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, Graduate .NET Developer) Our client is the world's most respected banking institution. Their story dates … over 10,000 offices in 100 countries. Working in tandem with Microsoft they are about to embark upon one of the largest .NET/C# software development projects to take place within the financial services arena for the past 20 years. Graduate .NET Developer will be working on the design ...

Full Stack C# Developer £60k - £80k

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
C# Full Stack Developer – Microsoft Stack | Hybrid Working Location: [Reading] Remote Salary: £60k - £80k doe Contract: Permanent We’re hiring multiple .NET Developers to join an ambitious tech-driven business building a brand-new financial platform from scratch. Work with modern tech, solve real engineering problems, and help shape … next-gen product that makes complex risk management simple. What you’ll do Build and enhance financial applications using .NET, C# and Azure Develop fast, scalable APIs & microservices Work across front-end (Angular/React/Vue) and back-end Collaborate with a friendly, high-performing team Integrate modern tooling ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
.NET Developer, CMS, Sitecore, Optimizely, Umbraco - London (Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the 1990s our client is one the fast growing technologies brands across Europe. They have built an unrivalled reputation … complex enterprise .NET projects that have attracted much attention in the trade place. .NET Developer applicants should be experienced in: .NET, .NET Core, C# and Azure SQL. .NET Developer candidates should have some knowledge of a Content Management System (CMS) such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
.NET Developer, .NET 10.0, C# 14, Azure SQL - Investment Bank - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's most respected banking institution. … over 10,000 offices in 100 countries. Working in tandem with Microsoft they are about to embark upon one of the largest .NET/C# software development projects to take place within the financial services arena for the past 20 years. You will be working on the design and development ...

Senior Sports Trading Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£100000 - £120000/annum
role and as well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience ...

Associate Front Office Developer

Hiring Organisation
Stanford Black Limited
Location
London Area, United Kingdom
experience building and supporting front-office software while learning directly from experienced developers and quantitative professionals. 💻 1–3 years’ experience in software development using C#/.NET, with some exposure to Python. Interest in financial markets, trading systems, or quantitative technology is essential. 🎓STEM degree 📍London 💰Competitive Base + Bonus ...

D365CE Developer

Hiring Organisation
Nigel Frank International
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 per annum
solutions. Ensuring best practices in coding, testing, and deployment. What We're Looking For Strong experience in Dynamics 365 CE development (plugins, workflows, JavaScript, C#). Familiarity with Power Platform and Dataverse . Knowledge of Azure services and API integrations. Excellent communication and problem-solving skills. What's on Offer ...

Software Developer (SC Cleared)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
permanent basis. In order to be successful, you will have the following experience: Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is essential Within this role, you will be responsible for: Delivering strategic advisory ...

Sage Intacct Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
City of London, London, United Kingdom
configuration guides, and API documentation. Key Skills & Qualifications Technical Proficiency: Strong experience with Sage Intacct architecture, XML APIs, web services, and optionally .NET/C# for complex customizations. Accounting Knowledge: Deep understanding of accounting principles, particularly General Ledger, Accounts Payable, Accounts Receivable, and multi-entity consolidation. Project Experience: Proven track ...

Software Engineer

Hiring Organisation
Experis UK
Location
London Area, United Kingdom
permanent basis. In order to be successful, you will have the following experience: Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is essential Within this role, you will be responsible for: Delivering strategic advisory ...

Graduate Software Developer / Quantitative Developer / Quantitative Researcher - Up to £180,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
driven culture ✅ What You’ll Bring 🎓 Degree in Computer Science, Mathematics, Physics, Engineering , or another STEM discipline 💻 Strong programming skills in Python, C++, Java, C#, or KDB+/Q 🔍 Analytical mindset with a passion for tackling complex, data-driven challenges ⚡ Curiosity, drive, and the ability to thrive in fast-paced ...

D365 Architect

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £95,000 per annum
experience: Power Apps, Power Automate, Power Pages, Power Virtual Agents, Power FX Solid Azure integration experience (Functions, Service Bus, Logic Apps, App Services) Strong C#/.NET, JavaScript/TypeScript, and PCF controls experience Proven experience leading teams and presenting solutions in architecture forums Deep understanding of secure, scalable enterprise ...

Senior Data Engineer SQL Python Snowflake

Hiring Organisation
Client Server
Location
London, England, United Kingdom
strong data engineering experience, with advanced SQL skills You have experience of building or migrating to Snowflake data platform You have Python (and ideally C#) programming skills You have experience with data modelling, ETL pipelines and data integration You have a good knowledge of Dagster, Airflow or similar orchestration tool ...

Principal Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600.0 - £640.0 per day + up to £640 pd (Inside IR35)
user stories In-depth knowledge of a fourth-generation programming language (4GL) Strong skills in object-oriented analysis and design (OOAD) Proven experience with C#, Java (Spring Boot, JPA/Hibernate), REST APIs, observability, monitoring, queue technologies, security, and relational databases (especially Postgres). Strong understanding of SOLID principles, microservice ...

Technical Project Manager and Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
engineering, or related subject Several years' experience managing complex technical projects Strong technical aptitude and understanding of software and IT infrastructure Programming experience in C# and the .NET platform Database experience (SQL Server, Oracle, or equivalent) Fluency in English Excellent verbal and written communication skills Strong attention to detail ...

Technical Project Manager and Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
engineering, or related subject Several years' experience managing complex technical projects Strong technical aptitude and understanding of software and IT infrastructure Programming experience in C# and the .NET platform Database experience (SQL Server, Oracle, or equivalent) Fluency in English Excellent verbal and written communication skills Strong attention to detail ...

Azure AI Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Experience aligning solutions with privacy and compliance requirements (e.g., GDPR , ISO 27001 controls) and completing architecture risk assessments. Proficiency in Python and/or C# for service integration, evaluation tooling, and adapters; solid understanding of REST APIs, JSON, and async patterns. Mode of working: Hybrid(3 days) Work locations: London ...