1 to 25 of 157 REST Jobs in London

Senior Engineer

Hiring Organisation
&Dine
Location
London, England, United Kingdom
async patterns, clean architecture Frameworks – Vue/Nuxt (or React/Next.js), component-based development State management – Vuex, Pinia, or equivalent patterns API integration – REST/JSON, error handling, loading states Performance – bundle optimisation, code splitting, rendering strategies Accessibility & UX – semantic HTML, responsive design, usability best practice Testing – unit ...

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 ...

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 ...

Senior Backend Developer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract
years of hands-on backend development experience Strong proficiency in Java (8+) and Spring Boot Solid experience designing and implementing microservices architectures Experience with REST APIs , messaging, and asynchronous processing Hands-on experience with cloud platforms (AWS/Azure/GCP) Good experience in SQL and NoSQL databases Familiarity with ...

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 ...

Senior Full-Stack Engineer - React

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £90,000 per annum
Requirements Strong commercial experience with JavaScript/TypeScript React Mandatory Backend expertise in Node.js or Java (JVM-based frameworks) Proven experience designing and building REST-based microservices architectures Strong understanding of scalability, security and system design in production environments Experience working on mobile-backed systems , ideally with exposure to React ...

Senior Software-Engineering Manager

Hiring Organisation
Socure
Location
London Area, United Kingdom
Platform teams to define project scope, sequence milestones, and proactively de-risk execution for iterative releases. Own design of APIs and microservices, including REST and event-driven patterns, and enforce best practices for versioning, contracts, and backward compatibility. Advance operational excellence by defining SLOs, improving observability and alerting, hardening ...

Solution Architect

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract, Work From Home
effectively across business, product and delivery teams o Experience operating within agile delivery environments Data & Integration Expertise o Strong understanding of integration design patterns (REST APIs, message queues, eventdriven integration, ETL, batch processing). o Experience working with master data domains (Party, Facility, Instrument, Product, Country, Sector, Ratings). Technology ...

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 ...

Murex Software Engineer

Hiring Organisation
Cititec
Location
London Area, United Kingdom
Shell scripting (ideally both). Solid Oracle database and SQL development experience. Experience configuring Murex workflows. Familiarity with Linux environments. Experience working with REST APIs. Experience using Git or other version control systems. Strong understanding of financial market instruments, P&L, and risk management processes. Desirable Skills Experience with Murex ...

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 ...

AI Director

Hiring Organisation
Experis
Location
London Area, United Kingdom
Ecosystems Guide the integration of AI/ML pipelines into enterprise‐scale .NET Core applications and service‐oriented architectures. Modernize legacy systems through microservices, REST/gRPC APIs, and event‐driven architectures (Azure Service Bus, Kafka). Implement secure DevSecOps practices—SonarQube, Checkmarx, Vault, Azure API Management—in line with ...

Engineering Manager

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Proficient in Web Technologies like HTML, CSS, JavaScript, React.js, Next.js and Node.js, and in event-driven and eventual consistency systems using Kafka, .Net, Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience in data pipping and modelling using SQL, DBT, ETL, Data Warehousing, Redshift and Python, and ecommerce ...

Solution Architect

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £506/day
project lifecycles. Exceptional leadership and team management skills. Excellent problem-solving and analytical abilities. Strong communication and interpersonal skills. Skills: Software Architecture REST API Development Java, Python, Typescript, AWS, React JS, and Angular SDLC with Agile Methodologies, Scrum Issue Resolution ServiceNow, Confluence, JIRA Risk Management Project Management Team Leadership Stakeholder ...

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 ...

Workflow Developer

Hiring Organisation
Shaw Daniels Solutions
Location
London Area, United Kingdom
Create SQL queries, stored procedures, scripts, views, and data routines to support workflow logic, reporting, and system optimisation. Design integrations between systems using APIs, REST services, and approved integration tools. Implement development standards, version control practices, and technical documentation aligned with firm‐wide governance. Business Engagement & Requirements Work closely with ...

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 ...

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
East 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. ...

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. ...

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 ...

Senior AI Engineer (Platform)

Hiring Organisation
Harnham
Location
New Malden, England, United Kingdom
Build and operate production‐grade AI agents on GCP using Google’s ADK Integrate AI systems with policy, claims and CRM platforms via REST/JSON APIs Develop scalable RAG pipelines including ingestion, text processing and vector search Implement evaluation, monitoring, A/B testing and cost/latency dashboards ...