1 to 25 of 66 REST Jobs in Central London

Camunda Developer

Hiring Organisation
Hydrogen Group
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
BPMN 2.0 and ideally DMN Strong software engineering background in Java Experience building applications/services with Spring Boot Experience integrating workflow platforms with REST APIs, microservices and distributed systems Strong understanding of workflow orchestration, business process automation and process state management Experience working in microservices-based architectures Experience with ...

Senior Azure Integration Developer

Hiring Organisation
ARC IT Recruitment
Location
City of London, London, United Kingdom
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 CI/CD pipelines and DevOps practices, ideally using ...

Senior React Developer

Hiring Organisation
Intec Select
Location
City of London, London, United Kingdom
Experience Experience deploying apps to the Apple App Store Knowledge of web security best practices and cyber threat mitigation Familiarity with microservices and REST API architecture Exposure to Infrastructure as Code tools (e.g. Terraform) Experience working with real-time trading or data visualisation platforms Package: Initial 12 month contract (high ...

Principal Software Engineer

Hiring Organisation
Verifone
Location
City of London, London, United Kingdom
highest standards for availability and performance. Required Skills and Experience Needed Programming Languages Java 17 or higher Frameworks and Libraries Spring Boot Spring Web (REST APIs) Spring Data Spring Security with JWT/OAuth2 Architecture & System Design Deep experience designing and operating microservice‐based architectures Strong application of clean code ...

Artificial Intelligence Specialist

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
/K8s), serverless, CI/CD Solid programming skills (one or more): Python, TypeScript/JavaScript, Java, C# Experience with APIs and integration patterns: REST/gRPC, event-driven systems, queues, workflow engines Security & Governance (Must Have) Understanding of GenAI-specific threats: prompt injection, data leakage, jailbreaks, insecure tool calling ...

Solidity/Node.JS Developer - Up to £100K

Hiring Organisation
RP Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Experience integrating blockchain with web apps (wallets, APIs, indexing services). Strong understanding of security, scalability, and distributed systems. Technical Competencies TypeScript/JavaScript, REST/GraphQL APIs CI/CD pipelines and DevOps tooling Cloud security, identity, and access management Blockchain tooling (Hardhat, Foundry, Web3.js/Ethers.js or similar ...

Senior Full Stack Engineer

Hiring Organisation
Trust In SODA
Location
City of London, London, United Kingdom
scalable backend. What You Bring to the Table React Node/TypeScript/JavaScript Cloud: AWS, Azure, or GCP. APIs: API design and integration (REST & GraphQL). Databases: SQL, NoSQL, real-time, etc. AI Tooling: Confident using AI-boosted environments to ensure quality (Claude or similar). The Cherry ...

Test Automation Specialist

Hiring Organisation
83zero
Location
City of London, London, United Kingdom
gain experience across a broad technical landscape, including but not limited to: Java, JavaScript, Node.js, Kotlin Spring Boot and RESTful microservices Selenium, Playwright, Cucumber, REST testing NoSQL databases Git-based version control systems Your Profile Essential experience: ISTQB Foundation certification (or equivalent experience) Strong experience in functional, integration, exploratory ...

Full Stack Engineer

Hiring Organisation
BioTalent
Location
City of London, London, United Kingdom
proficiency in Python for backend development Experience building APIs and production services Experience developing modern frontend applications using Next.js and React Solid understanding of REST APIs and client–server architecture Experience with testing frameworks (pytest) and CI/CD pipelines Familiarity with TypeScript, CSS frameworks and component-based UI design ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
KISS principles, decomposition principles, and resolving monolith vs. microservices trade-offs. Experience with SQL and NoSQL databases. Best practices in building scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills ...

Performance Specialist

Hiring Organisation
Response Informatics
Location
City of London, London, United Kingdom
Spring Framework and Middleware, JMS and JPA/Hibernate • Good understanding of web frontend technologies: Angular v2+, Observables, Redux • Competence in the usage of REST-APIs • Experience integrating with Identity and Access Management (IAM) systems, with good understanding of concepts like OAuth, OpenID Connect and Single Sign-on • Adapting ...

Back End Developer

Hiring Organisation
Albert Bow
Location
City of London, London, United Kingdom
architecture, and help move millions in daily transactions. Requirements: • 5+ years backend engineering experience. • Strong JavaScript/TypeScript/NodeJS expertise. • Experience with microservices, REST APIs, and event-driven systems. • Solid knowledge of PostgreSQL, Redis, Docker, Kubernetes, and AWS. • Strong focus on security, scalability, and reliability. Nice to Have: • FinTech ...

C# .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 ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
HTTP filters. Solid understanding of functional programming concepts and idiomatic Scala (e.g., immutability, monads, cats/Scalaz familiarity advantageous). Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe). Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation. ...

Java Developer / Consultant API SpringBoot AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
have Java development skills including multi-threading and concurrency You have experience with SpringBoot and microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming, Data ...

Scala Developer - Remote Contract - Outside IR35

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
Strong understanding of functional programming concepts and idiomatic Scala (immutability, monads; familiarity with Cats or Scalaz is a plus). Experience designing and consuming REST APIs , including JSON validation/serialization (Play JSON, Circe). Proficiency with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query ...

Principal Software Engineer Java SpringBoot AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
have strong Java development skills including multi-threading and concurrency You have experience with SpringBoot and microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming ...

Quality Assurance Tester

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
issues end-to-end. Key requirements: Strong manual and/or automated testing of complex web apps Experience testing Java/Spring Boot backends REST API testing (Postman/Swagger etc.) Strong SQL skills React/Next.js frontend testing experience AWS familiarity (EC2, RDS, S3, CloudWatch) Docker/Kubernetes exposure ...

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 ...

Dynamics 365 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 ...

Frontend Developer

Hiring Organisation
Tate Recruitment
Location
City of London, London, United Kingdom
.Net - this will be a small part of the role but necessary • Experience working with component based development and design systems • Strong understanding of REST APIs, unit testing and Git • Experience with SQL, EF Core or Dapper • Experience working with UX and design tools such as Figma or Adobe ...

Python AI Engineer

Hiring Organisation
Crisil
Location
City of London, London, United Kingdom
capabilities such as LLM-powered workflows, AI assistants, or automation tools. • Design scalable architectures for AI solutions including model deployment and data pipelines. • Build REST APIs and microservices to integrate AI models with enterprise applications. • Work with cloud platforms (Azure preferred) to deploy and scale AI applications. • Collaborate with data ...

Senior Frontend Developer | React | JavaScript | Astro | Design Systems

Hiring Organisation
techstack Recruitment
Location
City of London, London, United Kingdom
looking for Senior-level experience as a Front-End Developer Strong JavaScript and/or TypeScript , with excellent HTML and CSS fundamentals Experience integrating REST APIs and third-party services Familiarity with modern frontend tooling (React, Astro, Vite or similar) Comfortable working from Figma and collaborating closely with designers Working ...