1 to 25 of 28 Remote/Hybrid Contract REST Jobs

Dynamics 365 CE Developer

Hiring Organisation
Amtis Professional Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
HTML and CSS Web APIs and integration services Azure Functions Azure Logic Apps Azure Service Bus Azure API Management Azure DevOps Git source control REST APIs and integration patterns Secure application development Unit testing frameworks SOLID principles and software design patterns Desirable Experience Healthcare or NHS environments Azure Health Data ...

Angular Developer, Hybrid

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350 per day + Hybrid
using Angular and .NET technologies. Key Skills Required Strong commercial experience with Angular Good knowledge of TypeScript, JavaScript, HTML and CSS Experience integrating with REST APIs Solid .NET/ASP.NET Core experience Experience with automated testing tools such as Playwright, Vitest, Cypress or Jest Experience using Claude Code or similar ...

Principal Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £600 per day + Inside IR-35
documentation. Supporting the continuous improvement of engineering capability and delivery processes. Essential Skills Java & Software Engineering Strong commercial Java development experience. Spring Boot. Maven. REST and SOAP services. Experience delivering large-scale enterprise systems handling high transaction volumes. Strong understanding of software engineering best practices and modern development approaches. ...

Senior Java Architect - Payments

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
knowledge of microservices architecture and distributed systems Experience designing event-driven solutions using Kafka or similar messaging technologies Strong understanding of API-first architecture, REST services, and enterprise integration patterns Experience working with cloud-native platforms and containerised environments Exposure to AWS, Azure, Kubernetes, Docker, and CI/CD pipelines ...

DevOps Engineer - SC Clear

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day £550 per day via UMB
SageMaker Python scripting and automation Container orchestration platforms Infrastructure security and hardening Cloud networking and connectivity Application Support Knowledge C# .NET JavaScript React REST APIs Microservices architecture COTS Product Experience Supporting Commercial Off-The-Shelf products within secure environments Troubleshooting intelligence, analytical or partner-provided systems Exposure to SOLAR ...

Automation Application Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £440/day
standards. Application Development & Integration Develop supporting applications, utilities and services using C#/.NET. Build and maintain integrations with internal and external platforms using REST APIs, web services and message-based interfaces. Design and develop SQL-based data processing, reporting and automation capabilities. Work with SQL Server and Oracle databases ...

Technical Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800/day
Node.js Strong hands-on TypeScript and Node.js development Ability to read, debug, review and write production-quality TypeScript API, integration service and serverless development REST API and third-party SaaS integrations Commercetools SDK experience highly desirable Microsoft Azure Strong experience supporting cloud-native applications on Azure Hands-on Azure Functions ...

AI Engineer (Claude + Copilot)

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Azure OpenAI & Anthropic Claude * LLMs & Generative AI * LangChain, LangGraph, CrewAI, AutoGen or Semantic Kernel * Python, JavaScript/TypeScript, C# or Java * RAG & vector databases * REST APIs & microservices * AI agents and prompt engineering For more information or to apply directly, please email I review applications daily and will contact shortlisted candidates ...

Senior Full Stack Java / Vue.js Engineer - Contract

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
Strong commercial experience with Java Excellent experience with Vue.js Strong full-stack development background Experience building and maintaining complex, scalable applications Strong understanding of REST APIs and modern software development practices Experience with automated testing, CI/CD and source control Comfortable working in an Agile engineering environment Strong problem ...

PRINCIPAL SECURITY ENGINEER - UP TO £900 (OUTSIDE IR35) CONTRACT

Hiring Organisation
Secure Recruitment Ltd
Location
North London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £900 per day
East-West & North-South Traffic; Application Communication Flows; Cloud Networking; Network Telemetry & Packet-Level Investigation. Automation & Engineering Skills acrossPython, PowerShell (or comparable Scripting Languages); REST APIs; JSON/YAML; Git (or comparable Source-Control Platforms; Infrastructure-as-Code (Terraform or equivalent); CI/CD Tooling; Automated Configuration Management; Configuration Testing ...

IBM Netcool / Observability Technical Lead

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£780 - £830 per day
Change environment Confident communication and stakeholder management with both technical and non-technical audiences Desirable: IBM Tivoli Monitoring (ITM), Dynatrace, IBM Instana or OpenTelemetry, REST APIs/JSON/XML, cloud monitoring across AWS, Azure or GCP, container and Kubernetes monitoring, SRE practices, financial services or regulated environment experience ...

SC Cleared Senior Pega Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£506/day £506 per day (inside IR35)
case types, stages, workflows, processes, business rules and decision rules. Develop reusable components aligned to established Pega architecture and design patterns. Implement integrations using REST/SOAP services, APIs, connectors and data pages. Develop user interfaces using Pega Constellation and related UX capabilities. Collaborate with Lead System Architects and Solution … case management, workflows and application development. Experience with case types, stages, processes, activities, data objects, data pages and decision rules. Experience developing and consuming REST APIs and integration services. Strong understanding of Pega architecture and reusable design patterns. Experience with Pega security, including roles, privileges and access groups. Experience troubleshooting ...

IOS Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£70 - £85/hour
development experience (Swift, SwiftUI, UIKit). Proven ability to onboard quickly into large, existing codebases. Strong experience with modern iOS architecture (MVVM), Xcode, and REST/GraphQL APIs. Solid understanding of unit testing and CI/CD pipelines. Pragmatic problem-solver with great communication skills (familiarity with AI tools like ...

Integration Engineer (Maximo) | Contract (12 months+) | SC Clearance Required | Inside IR35

Hiring Organisation
WeDoTech
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £600/day
Integration Engineer/Integration Developer within complex enterprise environments. Experience designing and developing APIs and system-to-system integrations . Strong understanding of REST APIs, web services and integration patterns . Experience working with JSON, XML and data transformation/mapping . Experience troubleshooting and resolving complex integration and interface ...

Scala Developer 12-Month Contract (Outside IR35)

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract, Work From Home
month Outside IR35 contract . Key Skills & Experience: Strong commercial experience with Scala Experience building high-quality, scalable backend services Exposure to microservices, REST APIs, functional programming Strong understanding of CI/CD and modern engineering practices Cloud experience (AWS ideally) Able to support occasional out-of-hours work when ...

Next.js / NestJS Engineer, Claude

Hiring Organisation
Interact Consulting Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
looking for Strong commercial experience as a JavaScript or TypeScript Engineer. Excellent hands-on experience with Next.js and NestJS. Strong understanding of REST APIs, backend services and modern web application architecture. Proven experience building and shipping Android mobile apps. Familiarity with Claude, agentic development approaches and AI-assisted engineering workflows. ...

Data Architect

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£800 - £860 per day
data platform services relevant to secure data engineering. Extensive experience with Apache NiFi architecture, flow design, governance and operational considerations. Experience designing integrations using REST APIs, SOAP services, file transfers, batch ingestion, legacy adapters and bespoke interfaces. Experience with structured, semi-structured and unstructured data formats including CSV, XML, JSON ...

Scala Developer 12-Month Contract (Outside IR35)

Hiring Organisation
Stealth IT Consulting Limited
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
month Outside IR35 contract . Key Skills & Experience: Strong commercial experience with Scala Experience building high-quality, scalable backend services Exposure to microservices, REST APIs, functional programming Strong understanding of CI/CD and mod click apply for full job details ...

Dynamics 365 Developer - Remote - £350 per day Outside IR35

Hiring Organisation
Harvey Nash
Location
United Kingdom
Employment Type
Contract
Contract Rate
Up to £350 per day
validations and enhanced UI interactivity. * Develop web-based solutions using HTML and ASP.NET. * Integrate Dynamics 365 with external systems and third-party applications using REST APIs, SOAP, and XML. * Manage data migration and integrity using SQL and SQL Server Integration Services (SSIS). * Leverage Azure services to support cloud-based … JavaScript for custom development and enhancing system functionality * Skilled in integrating external systems into the Dynamics 365 architecture using tools like SOAP, XML, and REST APIs * Knowledgeable in HTML and ASP.NET for developing web-based solutions * Familiar with the Dynamics 365 SDK for creating and extending applications within the platform. ...

Senior Core Network Engineer

Hiring Organisation
ECS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
ISIS, OSPF & EVPN L2VPN/L3VPN Multicast & QoS IPv4/IPv6 Cisco IOS-XR platform support and lifecycle management Cisco NSO, YANG, Python, NETCONF & REST APIs Infrastructure as Code and network automation methodologies Contract Details Location: Hybrid working (London or Chester) Rate: £500-£550 per day IR35: Inside IR35 Duration ...

Java Engineer / AWS Serverless Engineer (SC Cleared)

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£428/day £428 Inside IR35
looking for a hands-on Java Engineer to develop and support cloud-native services within an AWS environment. You'll work on Java microservices, REST APIs and serverless components, contributing across the full software development lifecycle. Key Responsibilities Develop and maintain Java-based microservices and APIs. Build and support … serverless solutions using Lambda. Design and consume REST and SOAP services. Write automated tests and contribute to CI/CD pipelines. Collaborate with engineers, testers and DevOps teams to deliver high-quality software. Participate in code reviews, troubleshooting and production support. Essential Skills Java 21 Maven AWS Lambda/Serverless ...

Senior Software Engineer (AI, CoPilot Studio)

Hiring Organisation
Pontoon
Location
Dublin, City of Dublin, Republic of Ireland
Employment Type
Contract
Contract Rate
£474/day
Designing and developing innovative AI-driven workflow automation solutions. Building, configuring, and maintaining Copilot Studio agents and orchestration workflows. Implementing enterprise integrations using REST APIs, JSON payloads, and modern integration patterns. Developing supporting services, APIs, and automation components with Python. Collaborating closely with business users and analysts to translate requirements … Must-Have Skills & Experience: Relevant software engineering experience in delivering enterprise technology solutions. Strong expertise in Python development. Proven experience in designing and building REST APIs and system integrations. Familiarity with Swagger/OpenAPI specifications and API documentation. Solid understanding of JSON, web services, and modern integration patterns. Experience owning ...

Scala Engineer | SC Cleared | London | £620 pd

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£620/day £620 per day (inside IR35)
Help define the future vision and consolidation strategy for Attribute Reputation services Design and develop scalable, secure and testable backend solutions Build and enhance REST APIs that deliver attribute insights to digital services Improve existing services and reduce maintenance overhead through incremental re-architecting Support the adoption of managed services … automation and testing practices Essential skills and experience Active SC clearance Strong Scala development experience Experience with Play Framework or similar MVC/REST API frameworks SQL expertise AWS experience API design experience Continuous Integration experience Strong understanding of testing and automation Experience working in Agile delivery environments Experience within ...

AI Engineer

Hiring Organisation
Adecco
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £800/day
Agents and Agentic workflows to automate business processes. Create effective prompts and implement prompt engineering best practices. Integrate AI services with enterprise systems via REST APIs. Develop scalable solutions using Python and SQL. Test, evaluate, and improve AI model performance and reliability. Work closely with engineering, data, and business teams … Retrieval-Augmented Generation). Experience developing AI Agents or Agentic AI applications. Strong Python development skills. Strong SQL skills. Experience integrating applications using REST APIs. Proven prompt engineering experience. Experience deploying AI solutions into production environments. Excellent stakeholder management and communication skills. Desirable Experience Knowledge Graphs. LangChain and/ ...

SC Cleared Pega Lead System Architect / Solution Architect

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£553/day £553 per day (inside IR35)
compliance with Pega guardrails and engineering best practice. Lead complex technical decision-making and resolve architectural and performance challenges. Design scalable integration patterns using REST APIs, connectors, services, data pages and enterprise integration technologies. Define authentication, authorisation, access control and security architecture. Ensure solutions meet performance, scalability, resilience, availability … Pega case management Application architecture Data modelling Enterprise integrations Strong knowledge of Pega design principles, guardrails and reusable architecture frameworks. Experience designing and implementing REST API integrations, services and connectors. Strong understanding of enterprise integration patterns. Experience designing secure Pega solutions including authentication, authorisation and role-based or attribute-based ...