1 to 25 of 54 REST Jobs in the City of London

Full-Stack Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £520 per day
/11/17+) Deep Spring Boot & microservices experience Strong AWS skills (EC2, S3, Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive ...

Java Software Engineer

Hiring Organisation
RedHolt
Location
City of London, London, United Kingdom
expertise in Java 8+, Spring frameworks, JAX-RS, JAX-WS, Hibernate, JPA. Experience with microservices and distributed systems. Full-stack development experience. Knowledge of REST APIs, Kafka/RabbitMQ, SQL/NoSQL. Experience with CI/CD and cloud platforms (Azure or AWS). Experience with TDD/ ...

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 ...

Solutions Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
software engineering experience, mainly in C# and/or Python. Strong knowledge of cloud services (Azure App Services, Functions, AI Services). Proficiency in REST APIs, microservices, and event-driven architectures. Experience with Git-based version control (GitHub/Azure DevOps) and CI/CD tools (Azure DevOps, GitHub Actions ...

Java Specialist

Hiring Organisation
Pyramid Consulting, Inc
Location
City of London, London, United Kingdom
12+ years in Java development . Strong hands-on skills in: Java 8/17, Spring, Spring Boot, Hibernate, JEE, MVC, Swing, JSP, Webservices (REST/SOAP), Angular/AngularJS, jQuery, JSON, HTML, CSS, XSLT Expertise with: Tomcat, JBoss EAP, Apache, SQL, Oracle, PL/SQL, XML, Maven ...

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 ...

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 (Backend, AI Systems)

Hiring Organisation
Locai Labs
Location
City of London, London, United Kingdom
experience, ideally working on backend systems, APIs, or AI-related products Proficiency in Python and JavaScript/TypeScript (Node.js) Strong understanding of backend architectures, REST/GraphQL APIs, and data modelling Experience with containerisation (Docker) and cloud platforms ( GCP , AWS , or similar) Familiarity with LLM or AI APIs Exposure ...

React JS Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Required Skills Strong proficiency in React JS , JavaScript (ES6+) , HTML5 , and CSS3 . Experience with state management tools (Redux, Context API). Familiarity with REST APIs , JSON , and asynchronous programming. Knowledge of version control systems (Git) and build tools (Webpack, Babel). Understanding of responsive design and UI/ ...

Solutions Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Mandatory Skills: 1. Architectural Understanding 2. HLD/LLD preparation 3. SOA/Microservices 4. JBoss Fuse 5. REST, SOAP 6. AWS, Open Shift 7. Active MQ, Message Broker 8. Extensive experience in performance optimization. 9. Designing Scalable, High Available and fault tolerant infrastructure on AWS or Azure Cloud. 10. ...

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 ...

Full Stack Lead Engineer

Hiring Organisation
InfoSec People Ltd
Location
City of London, London, United Kingdom
practical Generative AI tooling to ship better, faster What we’re looking for Strong hands-on experience across TypeScript/React/Node/REST APIs AWS experience (serverless is ideal): Lambda, SQS, S3, Cognito, API Gateway, EventBridge Microservices + event-driven patterns PostgreSQL plus at least one of DynamoDB ...

Senior ServiceNow Developer-HRSD

Hiring Organisation
Nelson Frank
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
pages that are intuitive, accessible, and mobile-ready. Integrate & optimise Integrate ServiceNow with HR and enterprise systems (HRIS, payroll, IAM, document management) using REST/SOAP APIs and IntegrationHub. Support data migration, synchronisation, and data integrity across platforms. Collaborate & support delivery Partner with HR stakeholders to understand requirements and translate ...

Full Stack Engineer

Hiring Organisation
ClearWatt
Location
City of London, London, United Kingdom
support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed systems. Strong grasp ...

Python Developer

Hiring Organisation
microTECH Global LTD
Location
City of London, London, United Kingdom
will have significant experience developing using these technologies. - Experience using Linux as a target development platform - Hands-on experience with technologies such as REST, HTTP, JSON and docker - Exposure of commonly used test frameworks such as Pytest, Google Test Framework - Skilled with common front-end technologies such as HTML ...

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 ...

Scala Developer - Remote Contract - Immediate Start

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 ...

Back End Integration Engineer

Hiring Organisation
Primus Connect
Location
City of London, London, United Kingdom
security, risk, and compliance expectations Essential experience Strong hands on experience designing and building APIs, services, and system integrations Solid understanding of integration patterns (REST, messaging, event driven, orchestration) Experience with cloud integration services such as Azure API Management, Service Bus, Event Grid, Functions Proficiency in back end development (C# ...

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. ...

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 ...

Python Developer

Hiring Organisation
Insight Global
Location
City of London, London, United Kingdom
development experience. Strong understanding of monitoring platforms and scripting. Ability to schedule scripts and ensure data integrity. Proficiency in: JSON and data manipulation React REST APIs, FastAPI Unix/Linux OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets. Plusses Previous experience in Bank of America Knowledge ...

Salesforce Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £525 per day
Cloud and LWC. Skilled in Apex, HTML, JavaScript (ES6+), CSS, SLDS, and Salesforce DX. Experienced in building accessible, WCAG 2.2-compliant portals, integrating via REST/SOAP APIs, and using declarative tools like Flows and Process Builder. Strong problem-solving and communication skills. Holds key Salesforce certifications including JavaScript Developer ...

Golang Engineer

Hiring Organisation
Few&Far
Location
City of London, London, United Kingdom
async, multithreading & concurrency/parallelism Have a solid understanding of gRPC and building code for microservices-based architectures Familiarity with building and maintaining REST APIs Proficient in using non-relational databases (ideally MongoDB) Have experience with Kafka or similar message brokers Have had exposure to CI/CD environments, utilising ...

Adobe Experience Management

Hiring Organisation
Tata Consultancy Services
Location
City of London, London, United Kingdom
experience: Ability to conduct business and technical workshops with C-level stakeholders. Expertise in HTML, HTML5, Java Script, XML, Java, WCM, services-based architecture, REST, Web analytics, and tent targeting. Knowledge of CMS concepts and implementation. Excellent problem-solving skills, with a demonstrated ability to identify issues, solve them quickly ...

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 ...