1 to 25 of 108 C# Jobs in the City of London

Head of Software Engineering - 2 Days London City/3 Remote

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data ...

Senior Software Engineer

Hiring Organisation
GTreasury
Location
City of London, London, United Kingdom
Senior Software Engineer who enjoys solving hard problems, influencing technical direction, and mentoring others while staying close to the code. 💻 Core Tech Stack C#/ASP.NET Core Azure (cloud architecture & services) Microsoft SQL Server Modern JavaScript frameworks (Angular experience a plus) CI/CD with Azure DevOps TDD/ ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
global financial markets. The Technical Stack You will be working within a modern, engineering-first culture. The core stack includes: The Engine: Expert-level C# and .NET Core mastery. Architecture: Deep understanding of SOA (Service Oriented Architecture) and complex Object-Oriented design patterns. System Dynamics: Specialized knowledge of concurrency, asynchrony ...

Staff Software Engineer

Hiring Organisation
GTreasury
Location
City of London, London, United Kingdom
senior technical leadership role where you’ll combine deep hands-on engineering with architectural thinking, mentoring, and cross-team influence. 💻 Platform & Tech Landscape C#/ASP.NET Core Angular & TypeScript Azure (cloud-native architecture, services, observability) Microsoft SQL Server CI/CD pipelines (Azure DevOps) TDD/BDD Highly distributed, mission ...

Senior Software Engineer

Hiring Organisation
JNC Recruitment Limited
Location
City of London, London, United Kingdom
work with the latest technologies and developer your skills and career. Hybrid Working: 3 days a week in the office. Experience Required: Expertise in C# and .NET development. Good level of Angular development and principles (TypeScript, HTML, CSS/SCSS) Strong SQL Server (T-SQL) Experience of building and consuming ...

Senior Software Engineer

Hiring Organisation
Harrington Starr
Location
City Of London, England, United Kingdom
maintain production code Research and integrate new technologies Foster a culture of engineering excellence and continuous improvement Key Requirements 5+ years’ experience working with C#/.NET Experience developing front and middle office systems Strong SQL skills Experience with cloud-native solutions (Azure or AWS) Knowledge of event-driven, microservices ...

Senior DevOps Engineer in the Netherlands

Hiring Organisation
TOPIC Embedded Systems
Location
City of London, London, United Kingdom
least 2 years of work experience as a DevOps & Automation Engineer. Strong programming skills in Python, and proficient in C++ and/or C# . Solid experience in setting up and maintaining CI/CD pipelines and automated build environments. Hands-on experience with containerization technologies, such as Docker ...

.NET Developer

Hiring Organisation
Lime Street Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
Required We are looking for someone who combines strong technical ability with excellent problem-solving skills. The successful candidate will demonstrate: Advanced knowledge of C# .NET with a track record of designing and delivering high quality solutions Excellent communication skills, both verbal and written Strong problem-solving and logical thinking ...

IT Applications Manager/Applications Manager

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
data analytics and evaluate applicability to the firm's operations. IT Applications Manager/Applications Manager Knowledge, Sills and Experience: * Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. * Understanding of API integration, data modelling, and application performance tuning. * Strong project management skills are essential ...

Senior UI Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
responsiveness Confident working directly with front-office stakeholders Bachelor's degree in Computer Science, Engineering, or related discipline Desirable Backend experience in Java or C# Experience working in electronic FX, market making, or algo trading Familiarity with AI-assisted development tools while maintaining engineering standards Strong attention to detail ...

Application Security Analyst

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
prioritising vulnerabilities, working directly with software engineers to support remediation. Ability to read and interpret code in at least one common programming language (e.g., C#, JavaScript, Python). Knowledge of CI/CD pipelines and the integration of security tooling into developer workflows (e.g., GitHub Actions, Azure DevOps). Strong ...

Test Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £435/day
skills : Write test scripts Proven experience as a Test Engineer, QA Engineer, or similar role Strong scripting or programming skills (e.g. Java, Python, JavaScript, C#, or similar) Hands-on experience with test automation tools/frameworks (e.g. Selenium, Cypress, Playwright, REST Assured, pytest, etc.) Experience testing APIs and services Familiarity ...

Manager of Artificial Intelligence

Hiring Organisation
Fimador
Location
City of London, London, United Kingdom
building. Ideally a degree in Computer Science, Engineering, or similar. 5+ years of software engineering experience using modern object-oriented languages (e.g., Java, C#, Python). Strong Python capability alongside at least one other major language. Practical experience building with Generative AI technologies in real solutions. Experience leading or mentoring ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
audits and vulnerability remediation. Maintain accurate documentation, including topology diagrams, runbooks, and configuration baselines. Support proprietary messaging APIs using C++, Java, Python, and C# programming languages. Provide support for proprietary cache and gateways that integrate applications with the messaging service. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ ...

Quantitative Developer (Global Quant Trading Firm)

Hiring Organisation
Venture Search
Location
City of London, London, United Kingdom
participate in debugging and issue resolution Follow best practices in software development, testing, and documentation Required Qualifications Strong programming skills in Python , C++ , or C# Solid foundations in computer science, including data structures and algorithms Experience working with large datasets and time-series data Familiarity with Linux/Unix environments ...

Data Engineering Product Owner, Technology, Data Bricks, Microsoft

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
States) on occasions. We need someone who has come from a Data-Engineering First background with a hardened skillset in Microsoft Stack Technologies (C# .NET Core) who has then transitioned into Product Ownership. We need someone highly analytical who can understand large Data Sets, Data Bricks and is able ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
.NET Developer, C# 14 - Global Technology Brand - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become … expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience of either web application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js ...

Senior Software Engineer

Hiring Organisation
Spectrum It Recruitment Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
Senior Software Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 2 days in the office which is located near Liverpool Street £70,000 - £90,000 If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this is an opportunity ...

Full Stack Developer

Hiring Organisation
Tate Recruitment
Location
City of London, London, United Kingdom
ongoing improvements across the team What we’re looking for • Expert in modern front-end tech - Vue (mandatory), React/Angular (nice to have) • C#/.Net - this will be a small part of the role but necessary • Experience working with component based development and design systems • Strong understanding ...

Senior Developer

Hiring Organisation
Michael Page
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 75,000 Annual
will be an element of mentoring juniors, helping to review code, working with Business Analysts and Product Managers to understand business requirements Must haves: C# Azure SQL Angular Mentoring experience UK work experience Nice to haves: Certifications K8s Docker Azure Service Bus, Logic Apps, Functions Apps Job Offer Car allowance ...

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 ...

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
City of London, London, 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 ...

.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 ...