1 to 25 of 43 REST Jobs in Central London

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 ...

Industry Principal- LLMs, agentic coding systems, intelligent IDEs, AI development platforms

Hiring Organisation
Infosys
Location
City of London, London, United Kingdom
research workflows where permitted; govern enterprise knowledge ingestion. Architecture & Integration: Distributed systems, microservices, cloud‐native (Azure/AWS/GCP); secure API design (REST/GraphQL). MLOps & AIOps: CI/CD for AI, model lifecycle (eval, versioning, rollout/rollback), guardrails, telemetry, drift monitoring, prompt safety. DevSec & Responsible ...

Principal Engineer React, Typescript, C#, AWS (Serverless), MySQL

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
technical decisions across squads; accountable for how software is built and shipped. Design and develop distributed, scalable microservices (C# .NET Core or Node.js) and REST/JSON APIs. Build modern React + TypeScript UIs with component-driven design, advanced state management, and reusable frameworks. Leverage AWS services (Lambda, API Gateway ...

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 ...

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 ...

Automation Assurance Specialist

Hiring Organisation
83zero Ltd
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55721/annum benefits, perks, and healthcare opti
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 ...

Artificial Intelligence Architect

Hiring Organisation
Experis UK
Location
City of London, London, United Kingdom
Data & Integration Partner with data teams to design secure data ingestion, curation, and governance in Azure Data Lake/Fabric . Architect API layers (REST/GraphQL), microservices, and event-driven patterns for AI-enabled apps (including Microsoft 365/Graph integrations where relevant). Security, Compliance & Responsible AI Implement ...

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
Insight Global
Location
City of London, London, United Kingdom
Strong understanding of monitoring platforms and scripting Demonstrated data manipulation skills; ensuring data integrity Experience with middleware tools, preferably AMPS Proficiency in JSON, React, REST APIs, FastAPI, Unix/Linux, OpenShift, Docker, Kubernetes Experience with unit testing and writing clear Jira tickets Excellent interpersonal communication skills Plusses: Previous experience ...

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 ...

Java Software Engineer (SC Cleared)

Hiring Organisation
Sanderson Government & Defence
Location
City of London, London, United Kingdom
Integrating UI/API components with existing data stores and services. Maintaining and enhancing architectural elements such as data ingest pipelines, data stores and REST APIs. Collaborating with user researchers, product teams, and customers to align solutions with real user needs. Participating fully in Agile ceremonies: sprint planning, daily stand ...

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 ...

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 ...

ServiceNow HRSD Implementation Specialist

Hiring Organisation
Nelson Frank
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum
customized workflows aligned to client needs Integration & Data Management Integrate ServiceNow with external systems such as CRMs, HR platforms, and eCommerce solutions using REST/SOAP APIs and IntegrationHub Manage data migrations and ensure consistency across ServiceNow modules and external systems Work with workflow data fabric and RaptorDB to maintain ...

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 ...

IRM ServiceNow Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Management (CSM). Integration Design: Design and oversee the implementation of complex integrations between ServiceNow and other enterprise systems, leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best ...

Senior Backend Engineer Python

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
backend systems that form the backbone of Web3-first products. Your work will directly shape how users interact with blockchains, smart contracts, DAOs and REST APIs enabling high-performance, reliable and secure services at scale. Role: Architect and build backend systems for Web3 products. Develop and maintain RESTful APIs using ...

Senior/Lead Node Engineer

Hiring Organisation
Tech Talent Network
Location
City of London, London, United Kingdom
engineers, lead code reviews, and shape engineering standards What We’re Looking For 🎯 5+ years backend development with Node.js/TypeScript 🎯 Strong async programming, REST/GraphQL, and PostgreSQL skills 🎯 AWS experience (ECS, Lambda, SQS, DynamoDB) 🎯 Startup experience and a passion for high-impact projects 🎯 Interest in clean energy ...

ServiceNow Developer (contract)

Hiring Organisation
Nelson Frank
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900/day
environment Strong hands-on experience with JavaScript and ServiceNow scripting Experience with one or more ServiceNow modules (e.g. ITSM, ITOM, HRSD, CSM) Experience with REST/SOAP integrations and APIs Good understanding of ServiceNow architecture and data model Ability to work independently in a contract role Desirable: ServiceNow certifications ...

Senior Exchange Connectivity Engineer | Crypto

Hiring Organisation
Selby Jennings
Location
City of London, London, United Kingdom
heart of their trading infrastructure, focusing on ultra-reliable, low-latency integrations with major crypto exchanges. Key Responsibilities Design and implement exchange connectivity modules (REST, WebSocket, FIX, proprietary APIs). Optimize order entry, market data ingestion, and account management for performance and reliability. Contribute to a fault-tolerant, scalable connectivity ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
HTML, and DOCX Data Integration Familiarity with SAP data structures is beneficial Integration with PIM (Product Information Management) systems Design and consumption of REST APIs Programming & Querying Python (advanced): pandas, numpy, boto3, and data processing best practices SQL (advanced): complex queries, performance tuning, and query optimization Data Quality & Governance Data ...

Artificial Intelligence Engineer Intern(Applied GenAI)

Hiring Organisation
NetMind.AI
Location
City of London, London, United Kingdom
spin up a UI in Streamlit blindly. (Experience with Gradio/Chainlit is also fine). API Experience: You are familiar with calling REST APIs and handling JSON data. Problem Solver: You can take a vague requirement from a BD (e.g., "Analyze this report") and turn it into a technical ...