1 to 25 of 206 C# Jobs in London

Full Stack Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
engineering experience, ideally within real-time or trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis ...

Senior Fullstack Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
experience in full-stack software development, including design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java Python C#/.NET Full stack JavaScript (React, Node.js etc.) We expect you to have deep experience in at least one of the above, you will also ...

Lead Consultant UK | GCP | Data & AI/ML Pre-Sales Architect, Permanent contract

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
sécurisées, en exploitant le meilleur des services Azure et des technologies de développement. Au quotidien, vous pourrez : Développer des applications cloud natives avec .NET, C#, Node.js, Python, Go, TypeScript, Java ou autre alternative. Créer et exposer des APIs (REST APIs, gRPC APIs, SOAP) via Azure API Management (ou alternatives Gravitee ...

Senior Azure Integration Developer

Hiring Organisation
ARC IT Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
experience with Azure Integration Services (APIM, Logic Apps, Azure Functions, Service Bus, Event Grid) Experience delivering containerised workloads in AKS Strong programming capability in C#, .NET, JavaScript or TypeScript Solid understanding of REST APIs, OAuth2 and modern API security practices Experience with SQL and data integration technologies Familiarity with ...

Senior Software Engineer

Hiring Organisation
Espire Infolabs Limited
Location
London, United Kingdom
Employment Type
Permanent
Looking For Core Engineering 8+ years of software engineering experience across the full stack Strong proficiency in at least two languages (e.g. Python, TypeScript, C#, Node.js), with confidence picking up others as needed Solid grounding in RESTful API design, microservices architecture, and cloud-native development (Azure preferred) Proven experience with ...

Lead Full Stack Developer

Hiring Organisation
Goodman Masson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
across the business Requirements Proven experience as a full-stack developer, ideally with experience in a technical lead role Strong proficiency in JavaScript, .NET (C#), and modern frontend frameworks Solid experience with SQL databases and API design and integration Demonstrated leadership ability with strong communication and organisational skills A proactive ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 130,000 Annual
modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
London, Lime Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum
modifications to open-source UI components Experience enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
skills, accountabilities and development areas. Desirable Skills: 5+ years experience in working with the .NET framework, particularly with ASP.NET Core, React/React Native, C#, Web API Strong experience in working with Azure (preferably certified) including App Services, Azure Function, Service Bus Experience leading and mentoring small-to-medium hybrid ...

Senior Engineer, Privileged Access Management (PAM)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
. Good verbal and written communication skills and compliance awareness Preferred Qualifications Experience with other PAM tools (e.g., BeyondTrust). Programming in C#, .NET, Python; API integration (REST/SOAP). Strong AD/Entra and Azure RBAC knowledge; PKI experience. Multi‐cloud, Linux/Windows admin, and ETL familiarity. ...

Senior Data Consultants London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modern data engineering techniques (e.g. distributed systems, data streaming, event-based architectures etc) Software development experience with one or more languages (e.g. Python, Java, C#) Solid software engineering and DevOps skills as well as the complete SDLC applied to data, e.g. design patterns, automation, testing, contract definition, clean code ...

Senior Product Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivering value to clients against technical excellence. Deep experience with either backend or frontend development. Backend language preferably Go; Or something like Java, C# or Python Frontend: Typescript preferably with VueJS or React In either case, reasonable additional experience with: SQL and ‘NoSQL’ Data stores, with deep knowledge of data ...

Product Development Specialist

Hiring Organisation
IBEX RECRUITMENT LTD
Location
London, United Kingdom
Employment Type
Contract
Contract 6 Month Contract (With view to extend) Outside IR35 1 x Immediate Start 1 x July Start Technology Environment The core stack includes: C#/.NET/.NET Core TypeScript & JavaScript We are also looking for engineers with broader experience across modern technologies such as: React Python Node.js REST ...

Python Developer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
work closely with traders, quants, and senior engineers on the development of modern data and analytics tooling used across the business. The environment is C# and Python-focused, with increasing adoption of cloud-native data technologies including Databricks, whilst also integrating with established quantitative pricing and risk platforms such ...

Principal Technical Lead

Hiring Organisation
RSSB
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Qualifications Proven experience as a technical lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations ...

Principal Technical Lead

Hiring Organisation
RAIL SAFETY AND STANDARDS BOARD
Location
London, UK
Employment Type
Full-time
Qualifications: Proven experience as a technical lead on a complex, multi-service platform, with direct responsibility for technical delivery quality and team output. Extensive C# and ASP.NET Core experience, including RESTful APIs, dependency injection, domain modelling, integration patterns, and performance considerations. Experience with Entity Framework Core code-first migrations ...

Technical Lead

Hiring Organisation
EVOLVE IN RECRUITMENT LTD
Location
South West London, London, United Kingdom
Employment Type
Permanent
defencefinancialservicesandtransport.WithteamsthatoperategloballyfromofficesacrosstheUK,Ireland,theUS,Nordics,andNetherlands. JobDescription WhyconsiderjoiningtheDigital&Datacommunity Growaflexibleanduniquecareerwithinatrust-basedenvironmentthatvaluesexcellence,innovation,andcuriosity.Youhavetheoptiontoprogresswithusonatechnicalcareertrack.NoneedtogoontothePartnercareertrackifthisdoesntalignwithwhatyouwanttodo. Workonabroadvarietyofprojectsandtechstacksforclientsacrosssevensectors-noprojectiseverthesame Techstackrequiredideally: Whileweadvocateforusingtherighttechfortherighttask,youcanexpecttoworkwiththefollowingtechnologiestoensurescalable,high-performanceapplications: ProgrammingLanguages:JavaScript/TypeScript,Java,C# Frameworks:Vue/Angular/React/Node/Next,Spring/SpringBoot,.NET/ASP.NET Cloudplatforms:AWS,GCP,Azure CI/CD:Jenkins,GitHubActions ...

Salesforce Commerce Cloud Developer - eCommerce

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
initiatives and mentoring engineers within the team Tech stack includes:Salesforce Commerce Cloud (SFCC/Demandware) JavaScript/React HTML/CSS/AJAX C#/.NET REST APIs SQL Server CI/CD tooling Ideal background: Strong SFCC/ecommerce platform experience Full stack engineering background Experience building scalable ...

Web Developer (CMS Specialist)

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
date with industry trends and best practices across web and CMS development Skills & Experience Strong experience working with Umbraco CMS Experience with C# and .NET technologies Understanding of ASP.NET Core MVC , Web API, and CMS-based applications Front-end development experience with JavaScript, HTML, and CSS Experience delivering responsive ...

Front Office Python Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
automated testing and DevOps practices Comfortable working across teams to solve business problems with technology Experience in Agile delivery environments Desirable Experience Node.js or C# exposure Terraform/Infrastructure as Code Distributed systems or API gateway experience Monitoring/observability tooling Enterprise platform or shared services experience Financial markets/ ...

Lead Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
skills development for business and concierge domains. Essential Requirements: Proven leadership of software engineering teams. Proficiency in at least one programming language: Python, C#, TypeScript, Kotlin, Java, or Go. Strong experience building and optimizing systems for performance, scalability, and reliability. Hands‐on experience with cloud platforms: AWS, GCP, Azure. Infrastructure ...

Automation Application Developer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day
Proficient in SQL and relational databases, particularly SQL Server. In-depth knowledge of UiPath and experience creating 20+ processes of varying complexity. Experience: Proven C# .NET and SQL development experience. Good experience in Windows application development and RPA technologies. Leading experience in RPA solution design and unattended robot development. Familiarity ...

Senior QA Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
load testing, using toolsets like JMeter, BlazeMeter, and K6, is highly desirable. Accessibility testing experience desirable. Hands-on experience in Playwright, Selenium Grid & WebDriver C#, SQL, Ruby, Specflow, and Cucumber. Experience in using AI technologies such as Co-Pilot. Javascript experience. Good exposure to SOAP, REST based APIs. Good exposure ...

Software Engineering Manager - Technical Delivery

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
ability to review architecture, challenge solutions, and implement engineering standards Excellent communication skills for both technical and non-technical stakeholders Familiarity with .NET/C#, Azure, DevOps/CI/CD, microservices, and modern scalable architecture principles is desirable The opportunity: Shape a new leadership role in a regulated, innovative ...

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 ...