1 to 25 of 101 RESTful Jobs in London

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft responsive and modular UI components using React JS and modern JavaScript/TypeScript patterns. ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 per annum
APIs, or platforms into software solutions. Domain experience in Recruitment Technology, HRTech, or closely related fields is a must. Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred). Experience with CI/CD pipelines, automated testing, and DevOps practices. Solid grasp ...

Senior Software Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum, Inc benefits
Design, and QA to deliver high-value solutions Design and optimise CI/CD pipelines to enable efficient, reliable software delivery Build and maintain RESTful APIs and distributed systems with a focus on scalability and performance Own complex technical challenges, from design through to production support and optimisation Promote ...

Senior FullStack Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
advantageous Key Responsibilities Design, develop, and maintain full stack applications using React JS , C#.NET Core , and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. Develop responsive, modular, and accessible UI components using React JS and modern JS/TS patterns. ...

Senior FullStack Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
advantageous Key Responsibilities Design, develop, and maintain full stack applications using React JS , C#.NET Core , and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. Develop responsive, modular, and accessible UI components using React JS and modern JS/TS patterns. ...

Angular developer with python

Hiring Organisation
Net2Source (N2S)
Location
City of London, London, United Kingdom
Skills · Frontend Backend Development Angular 6 Python JavaScript JSON java · Cloud Architecture AWS S3 API Gateway EC2 RDS cloudnative and microservices architecture · API Integration RESTful APIs thirdparty and inhouse system integrations · DevOps CICD CICD pipelines eg Bamboo deployments across SIT UAT and Production · Engineering Practices AgileScrum TestDriven Development unit testing ...

Senior C# Engineer

Hiring Organisation
Thomson Keene
Location
City of London, London, United Kingdom
.NET/.NET Core Proficiency in Python Solid SQL Server/database design experience Desirable skills: Experience with Angular or React Containerisation (e.g. Docker) RESTful API development Git and modern CI/CD pipelines ...

Staff Engineer

Hiring Organisation
Queen Square Recruitment
Location
City of London, London, United Kingdom
systems Lead multi-team engineering initiatives and complex system designs Build and optimise Java (Java 17+) backend services using Spring Boot or Micronaut Design RESTful APIs, messaging systems, and microservices Own performance, reliability, security, monitoring, and observability Lead system design sessions, architecture reviews, and technical decision-making Champion engineering standards ...

Backend Software Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Security Clearance (SC) Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Strong experience building scalable backend and RESTful services using Java (Spring Boot) Ideally Java v21 (or very recent versions) Postgres (or other relational SQL databases) with a solid understanding of schema design ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
/NoSQL databases. Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments. Proficiency in developing RESTful APIs, microservices, and working with cloud-based architectures (AWS, GCP, or similar). Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker ...

Software Engineer - Contract

Hiring Organisation
ONMO
Location
City of London, London, United Kingdom
serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript and experience with infrastructure as code using Terraform. Understanding of RESTful APIs and web application architecture. Ability to write clean, readable, and maintainable code. Excellent problem-solving skills and attention to detail. Knowledge of Agile methodologies ...

Senior Java Application Engineer

Hiring Organisation
Experis
Location
Wembley, England, United Kingdom
contribute to Dockerfiles and GitHub Actions workflows as a developer who appreciates the operational path their code follows. API & Integration Expertise Deep knowledge of RESTful API design, OAuth2 authentication flows (including FusionAuth integrations), and DMARC‐compliant transactional email delivery using SendGrid. Testing Discipline & Standards A non‐negotiable focus on automated ...

Senior Web Application Developer (Full Stack)

Hiring Organisation
CPS Group (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £525/day
Entity Framework * HTML5, CSS3, JavaScript, jQuery, and React experience. * Strong knowledge of Object-Oriented Programming, SOLID principles, and common design patterns. * Experience working with RESTful API design and integration; SOAP WebServices and XML/XPath * Skilled in using IoC containers (Autofac, Ninject) and unit testing frameworks * Experienced with CI/ ...

Head of Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
.NET Framework, with deep proficiency in C#, applying best practices in design, implementation, testing, and performance optimisation. API development : experience building and supporting RESTful and SOAP APIs, including authentication, versioning, and documentation. Data layer proficiency : solid experience with SQL Server (queries, stored procedures, optimisation) and general database design. Cloud deployment ...

Senior Software Engineer

Hiring Organisation
TRITANIUM
Location
City of London, London, United Kingdom
APIs Strong understanding of Clean Architecture , CQRS , ideally with MediatR Experience with communication protocols: TCP/IP, UDP, REST, gRPC, SignalR Familiarity with RESTful API design Experience with event‐driven architectures and tools like RabbitMQ or Kafka Strong background in microservices and containerisation (Docker, Kubernetes) Proficiency with databases such ...

Modernisation Engineer ( Java Azure )

Hiring Organisation
Experis
Location
Wembley, England, United Kingdom
contribute to Dockerfiles and GitHub Actions workflows as a developer who understands the delivery pipeline their code passes through. API Mastery : Deep expertise in RESTful API design, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email delivery using SendGrid. Testing Discipline : A strong, non‐negotiable commitment to automated ...

Full Stack Engineer

Hiring Organisation
Egregious
Location
London, England, United Kingdom
Azure/AWS Good understanding of Playwright , Selenium/Nodriver, BeautifulSoup Good React , Vite, JavaScript , CSS, Tailwind Good understanding of asynchronous request handling and RESTful APIs Good understanding of proxies, browser tracking , cookies, and browser fingerprinting Experience with PostgreSQL , MySQL, ElasticSearch , MongoDB, or similar Strong problem-solving and critical thinking ...

SC Java Developer

Hiring Organisation
Sanderson Government and Defence
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful APIs Proficiency in Spring Boot Experience working with Docker Solid understanding of Java interfaces and object-oriented design Must be eligible for SC Clearance Nice ...

Java Technical Lead - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
YAML workflows - not as a DevOps engineer, but as a developer who understands the pipeline their code flows through. API Mastery: Deep expertise in RESTful API design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients ...

Server-Side Java/AWS engineer

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £80,000 per annum
critical systems that support transaction reporting across EMEA/APAC. What you'll do: Build scalable microservices using Java (Spring Boot) on AWS Develop RESTful APIs and cloud-native solutions Work on regulatory reporting platforms with real business impact Collaborate closely with product and business teams Tech stack: Java (17+ ...

Junior Java Developer

Hiring Organisation
Information Tech Consultants
Location
London Area, United Kingdom
hands-on exposure to modern Java technologies, this could be a great fit. Key Skills: Java, Spring Boot, Spring Framework, Hibernate Microservices architecture & RESTful APIs SQL databases (MySQL/PostgreSQL/Oracle) Build tools: Maven or Gradle Understanding of Agile & SDLC What You’ll Do: Design and develop scalable Java ...

Senior Full Stack Developer - 2 days a week in London - £60-80k

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
secure web applications Build backend services using Python (e.g. FastAPI, Flask, or Django) Develop modern frontend applications using React and TypeScript Design and maintain RESTful APIs 5+ years’ experience as a full-stack developer AI & Modern Development Practices (Required) Experience using AI coding tools or assistants ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£450/day
applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write and maintain automated end-to-end test suites using Playwright as part of the development ...

Senior SharePoint Developer and Administrator

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and third-party platforms using RESTful APIs and Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (on-prem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor ...