26 to 50 of 171 REST Jobs in London

Software Engineering Team Lead .NET / C#

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £125,000 per annum
Agile environment Strong expertise in C# and modern .NET/.NET Core Experience building distributed, event-driven systems API design and development (REST, GraphQL) Relational databases (SQL Server, MySQL, or similar) Cloud platforms such as AWS or Azure Solid understanding of the full software development lifecycle Pragmatic, delivery-focused approach ...

Senior Application Specialist

Hiring Organisation
X4 Technology
Location
Greater London, England, United Kingdom
within LAMP environments 5+ years PHP experience (Laravel strongly preferred) Strong JavaScript, HTML and CSS skills Experience building scalable, secure and highly available systems REST and SOAP API integration experience Test Driven Development (TDD) and PHPUnit Docker experience Git version control (GitHub preferred) Experience working in Agile/Kanban teams ...

AI Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum, Inc benefits
Build and operate production-grade AI agents on GCP using Google's ADK. Integrate AI systems with policy, claims and CRM platforms through secure REST and JSON API services. Develop scalable RAG pipelines including ingestion, text processing, metadata handling and vector search. Implement observability and evaluation frameworks covering monitoring ...

AI Platform Engineer (GCP)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
Build and operate production-grade AI agents on GCP using Google's ADK. Integrate AI systems with policy, claims and CRM platforms through secure REST and JSON API services. Develop scalable RAG pipelines including ingestion, text processing, metadata handling and vector search. Implement observability and evaluation frameworks covering monitoring ...

Senior Full-Stack Engineer (fractional)

Hiring Organisation
Synapse - The Stories Marketplace
Location
City of London, London, United Kingdom
development Tailwind PHP experience for the admin panel (Bootstrap, WordPress, WPEngine) Python for AI engine development (ChromaDB, OpenAI integrations) Experience designing and working with REST APIs Google Cloud Platform (GCP) infrastructure, Terraform, Docker, Docker Compose Database design and management (MySQL) Payment integrations (Stripe) Kubernetes (bonus, future-proofing) Infrastructure, DevOps & secret ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience with AI driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure ...

Senior Full Stack Engineer

Hiring Organisation
Station Group International Limited
Location
West London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
designing, building and maintaining scalable web applications using: .NET 6+/.NET Core (C#) Angular (modern versions) Azure PaaS (App Services, Functions, SQL, EntraID) REST APIs Azure DevOps CI/CD pipelines Youll be involved across the full lifecycle from technical design through to delivery working within an Agile team ...

Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
team retros, sprint reviews, story-mapping, backlog refinement) helping the entire delivery team be the best that they can. Essential Skills: C# .NET Core, REST API Design and Development, API Management Document or No-SQL database solutions (particularly Elasticsearch) Messaging and microservices based architecture (Azure Service Bus, Azure Functions) Formal ...

Software Engineer

Hiring Organisation
The Portfolio Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
hiring a Full Stack Software Engineer with strong TypeScript experience to join our London team. Tech Stack TypeScript React Node.js REST APIs Cloud (AWS/Azure/GCP preferred) The Role Build and maintain scalable web applications Develop high-quality front-end and back-end solutions Design and implement APIs ...

C# .NET Developer

Hiring Organisation
Career Concept
Location
EC2A, Finsbury Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £60000/annum
with others to design new solutions Re-factor Full Stack 80% back end/20% Front Skills required: Strong skills with C# .NET Microservices REST API, NoSQL Mongo or similar Deployed to Azure or AWS or GCP. Bonus if you have worked with Serverless Experience working in a modern Software ...

Python Developer

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 140,000 Annual
SDLC and get to make a genuine impact on a growing business. Requirements: Strong experience with Python (2+ Years) Experience working with REST Microservices Strong SQL Experience working with very large data sets. Knowledge of big data tools (Spark, Kafka etc) Experience working in finance (Preferred) Strong formal education - ideally ...

.NET Developer

Hiring Organisation
Lime Street Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50,000
directly with business stakeholders Familiarity with modern development practices and willingness to introduce improvements Additional desirable skills and experience: WPF/MVVM development experience REST and gRPC experience Familiarity with Azure CI/CD + the agile development methodology Understanding of system architecture and security principles ...

Oracle Apex Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
/SQL Understanding of Oracle Database architecture and relational data modeling Experience with HTML, CSS, JavaScript , and APEX UI components Familiarity with REST APIs and system integrations (commonly expected) Strong problem‐solving and debugging skills Good communication skills to work with technical and non‐technical stakeholders ...

Graduate Developer in Test

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
fundamentals Hard-working & driven mindset In this position, you will gain extensive knowledge across a broad variety of technological topics: ✅ Automation testing knowledge of REST APIs ✅ Software development experience in Java ✅ Identifying opportunities and executing improvements to quality process ✅ Developing automated tests and test frameworks ✅ Improving Continuous Integration pipeline ✅ Exposure ...

Senior SharePoint & M365 Developer -TOP Consulting Company!

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
custom SharePoint solutions (SPFx), web parts, integration's and workflows, working across Microsoft 365, Teams and external systems. Strong experience with JavaScript, TypeScript, React, REST APIs and Microsoft Graph is essential Responsibilities Solution Development: Design, develop, and implement custom SharePoint solutions, including web parts, apps, and workflows, tailored to client ...

PEGA Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
exception handling. Sound knowledge of Pega architecture and rule resolution, including class structure, rulesets, circumstancing, inheritance, and performance tuning. Experience in building integrations using REST/SOAP services, JSON/XML, and handling real-time and batch data exchanges with upstream/downstream systems. Strong understanding of data modelling ...

Solution Architect

Hiring Organisation
Spectrum IT Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £100000/annum
systems, scheme integrations, authorisation flows, transaction life cycles, and settlement processes; knowledge of cryptographic key migrations (e.g., EMV, PEK) is advantageous. Experience architecting microservices, REST APIs, event-driven architectures, and secure cloud services (Azure). Exceptional communication and collaboration skills, capable of working with senior stakeholders, external partners, and technical ...

Quality Assurance Engineer

Hiring Organisation
Glocap Tech
Location
London Area, United Kingdom
backend or API-driven systems Strong understanding of automated testing Ability to read and reason about backend code (Python or similar) Experience testing APIs (REST, auth, error handling) Good understanding of data validation and edge cases Structured, methodical approach to quality Nice-to-have Experience with Python + Pytest Familiarity ...

Camunda Technical Architect

Hiring Organisation
Pi Digital Solutions
Location
Greater London, England, United Kingdom
code quality, process models, and integration patterns Support production readiness, including monitoring, logging, and operational support models Integration & Platform Design integrations between Camunda and: REST APIs and event‐driven services Identity and access management (OAuth2/OIDC) Data stores and messaging platforms Advise on cloud‐native deployments (Kubernetes, containers ...

SAP BTP Lead

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
side-by-side extensions using CAP/RAP and low-code tools. Own integration and API strategies leveraging BTP Integration Suite (APIs, OData, REST/SOAP, event-driven patterns). Provide technical leadership, mentoring developers and ensuring adherence to coding standards and best practices. Manage BTP governance including subaccount design ...

Software Engineering Manager

Hiring Organisation
HirexHire
Location
City of London, London, United Kingdom
Automate, and Power BI. Experience working in agile or Scrum environments delivering software at scale. Exposure to modern architectures, integrations, and cloud services, including REST APIs and Azure-based tools. Demonstrated use of AI-assisted development tools to accelerate delivery and improve code quality. Strong leadership, communication, and conflict-resolution ...

Lead React Native Engineer / Engineering manager

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day + Outside IR35
/Web and Mobile architecture approaches and design patterns including micro front ends, module federation, stateless, SPA and others Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well versed in latest CI/CD practises and tools, deployment methodologies and experienced in tools ...

Identity & Access Management Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
transfer Some Active Directory management and least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail ...

Identity & Access Management Engineer

Hiring Organisation
Deerfoot Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
transfer Some Active Directory management and least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail ...

Senior React Native Engineer - London Hybrid : £100k

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
What You Bring 5+ years’ experience delivering production mobile apps for iOS and Android. Strong expertise with iOS/Android SDKs, remote data handling (REST/JSON) and third-party integrations. Solid understanding of mobile architecture, trends and best practices across the entire development lifecycle. Clear, confident communication skills — written ...