1 to 25 of 48 REST Jobs in Central London

Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN with Work From Anywhere Benefits

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
with Node.js or a similar runtime. Relational & non-relational database experience (PostgreSQL/NoSQL) Familiarity with front-end frameworks like React.js Experience with Docker, REST APIs, and cloud services (AWS, GCP, or Azure). A pragmatic problem solver who can balance delivering features with maintaining code quality. Strong communication skills ...

QA Engineer

Hiring Organisation
Retelligence
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 55,000 Annual
preferred) or Java. Experience in developing .Net-based test automation solutions with BDD tools such as SpecFlow and Gherkin. Expertise in automating tests for REST APIs and/or UI-based applications. Experience with GitHub Actions workflow (yaml) for CI pipeline deployments and testing. Experience using Selenoid for parallel ...

Solution Engineer

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
role. Strong background in cloud-native development, ideally within the Azure ecosystem. Professional experience with C# and/or Python. Hands-on experience with REST APIs, microservices, and event-driven architectures. Strong understanding of CI/CD pipelines, Git-based version control, and automated testing. Solid grasp of solution architecture ...

Solutions Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Solutions Engineer: 5+ years experience in cloud-native development (Azure preferred) Strong software engineering background (C# and/or Python) Experience with REST APIs, event-driven architecture and microservices Experience with CI/CD pipelines, Git and modern testing practices Strong communication skills and confidence working with multiple stakeholders Location ...

Automation Assurance Specialist

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
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 ...

SC Cleared QA SDET

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35
passion for quality. Preferred Qualifications Salesforce certifications (e.g., Salesforce Administrator, Platform App Builder) are a plus. Experience with API testing tools (Postman, REST Assured) is desirable. Understanding of enterprise-level integration testing. Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited ...

Engineer Neo4j Aura (Cloud Graph Database)

Hiring Organisation
UNITECH
Location
City of London, London, United Kingdom
data models using Neo4j AuraDB (Professional/Enterprise) • Build and optimise Cypher queries for performance and scalability • Integrate Neo4j Aura with cloud-native applications (REST, GraphQL, event-driven systems) • Manage data ingestion pipelines (Kafka, Spark, ETL tools, APIs) • Monitor, tune, and troubleshoot Neo4j Aura performance and availability • Implement security, access ...

Senior C# Engineer - .Net Core, AWS Serverless Services, MySQL, APIs

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
self-motivated problem solver who mentors others and consistently pushes for engineering excellence. What Youll Be Doing: Designing and developing scalable, high-performance REST APIs and microservices using C# and .NET Core. Building cloud-native applications using AWS services such as Lambda, API Gateway, and S3. Collaborating closely with Product ...

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 ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
Demonstrated fluency with TypeScript, React and frameworks such as NextJS Familiarity with state management libraries (Zustand, Redux, MobX etc.) Experience working with GraphQL/REST APIs Knowledge of the web platform, including HTML, CSS and Browser APIs Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Understanding ...

Junior Developer

Hiring Organisation
JNC Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
1+ years experience working with C# and .NET Understanding of Angular development Excellent SQL Server skills Experience with web services and APIs, e.g. SOAP, REST CI/CD tooling experience Understanding of Agile/Scrum methodologies In line with the Conduct Regulations 2003, when advertising permanent vacancies JNC Recruitment ...

Lead Developer - C#/Angular - Commodities

Hiring Organisation
Harvey Nash
Location
City of London, London, United Kingdom
Circa 10+ years’ software development experience, ideally with recent team‐lead responsibilities Strong full‐stack expertise: C#, .NET 8+, Angular 16+, Typescript, SQL Server, REST APIs Experience with NHibernate/Entity Framework, Git, Jira, Confluence Ability to navigate complex multi‐system environments Strong communication and problem‐solving skills Background ...

C#.NET Developer – Financial Systems Developer

Hiring Organisation
Centre People Appointments
Location
City of London, London, United Kingdom
control tools such as Git) • Business-level English or above Preferred Skills/Experience: • Professional experience in the financial industry • Web API development experience (REST, SOAP, etc.) • Development experience in cloud environments (Azure, AWS) *When contacting us, please include the job reference number (Ref: YC46978) at the top of your ...

Salesforce Developer

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
Salesforce Developer in production environments Advanced knowledge of Apex , Lightning Web Components , SOQL , and Salesforce configuration Proven experience integrating Salesforce with external systems via REST/SOAP APIs Experience working in financial services, payments, banking, fintech, or other regulated industries. Solid understanding of data security, permissions, and compliance considerations Familiarity ...

Software Engineering Manager - UCX (Mobile)

Hiring Organisation
Hargreaves Lansdown
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
development in React Native is essential , with a strong grasp of front-end design patterns and best practices in mobile SDLC. Proven experience of REST/GraphQL API integration with mobile applications Solid understanding of mobile application fundamentals: iOS/Android app lifecycle, performance constraints and release management Proven hands ...

Application Security Engineer

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £650 per day
strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. shell, Python) Some other highly valued skills may include: Experience with CI/ ...

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 ...

Site Reliability Engineer

Hiring Organisation
Global Fintech
Location
City of London, London, United Kingdom
implementing monitoring and alerting tools (DataDog, Grafana). Solid experience with AWS Cloud Infrastructure and related operational processes. Deep understanding of and experience troubleshooting REST APIs and WebSockets. Exposure to crypto, blockchain (DLT), trading, and risk management systems is highly beneficial. Familiarity with financial services infrastructure standards and processes (e.g. ...

Head of Mobile Engineering & Architecture - React & AWS

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900 per day + Outside IR35
module federation, stateless, SPA and others Advanced knowledge of React and React Native Eco system and AWS technology stack. 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 ...

Principal Architect/Lead Architect - Mobile and Web - React

Hiring Organisation
Sanderson Recruitment Plc
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
module federation, stateless, SPA and others Advanced knowledge of React and React Native Eco system and AWS technology stack. 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 ...

Senior React Native Engineer - London Hybrid : £100-120k+

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 ...

Lead Software Engineer, React Native

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
shipping complex mobile applications to production Comfortable mentoring peers and supporting technical decision-making. Solid understanding of API integration (GraphQL and/or REST). Strong communication skills — able to work effectively with engineers, product managers, and designers. Experience with native modules and bridging in React Native Familiarity with state ...

ServiceNow Implementation Specialist - 177198

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
Experience UI, UI Builder, and Service Portal. Configure role-based dashboards and customised workflows aligned to client requirements. Integrate ServiceNow with external platforms using REST/SOAP APIs and IntegrationHub. Support data migration and ensure data consistency across ServiceNow modules and external systems. Required Experience Hands-on ServiceNow implementation experience ...

Data Specialist

Hiring Organisation
Alexander Edward James Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
optimisation techniques Desirable Cloud-based data and analytics services Data visualisation tools Machine learning platforms Version control and DevOps practices Experience working with REST APIs Personal Attributes Essential High personal and professional integrity with a strong drive for excellence A collaborative team player with strong interpersonal and communication skills Ability ...

Palantir Consultant

Hiring Organisation
Staffworx Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
/stream processing basics, data modelling, data quality and governance. Experience (or strong interest) in integrating Foundry with: Enterprise identity (SSO, SAML/OIDC) REST APIs and services Existing data platforms or warehouses Familiarity with modern software engineering practices: Version control and code review Automated testing CI/CD pipelines ...