51 to 75 of 102 Contract REST Jobs

Microsoft 365 Application Developer

Hiring Organisation
Artis Recruitment
Location
Bristol, City of Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Outside IR35
SPFx, TypeScript, React, and modern SharePoint development. Deep understanding of Power Platform (Power Apps, Power Automate). Experience with Microsoft Graph API and REST APIs. Strong knowledge of Azure AD, permissions, and identity management. Understanding of Microsoft 365 governance, security, and compliance. Desirable Skills: Experience with SharePoint migrations (ShareGate, AvePoint ...

SharePoint / Microsoft 365 Application Developer

Hiring Organisation
Artis Recruitment
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
SPFx, TypeScript, React, and modern SharePoint development. Deep understanding of Power Platform (Power Apps, Power Automate). Experience with Microsoft Graph API and REST APIs. Strong knowledge of Azure AD, permissions, and identity management. Understanding of Microsoft 365 governance, security, and compliance. Desirable Skills: Experience with SharePoint migrations (ShareGate, AvePoint ...

Oracle Developer (local government)

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
solving, communication, and stakeholder management skills. Desirable: Knowledge of payroll, HR, or finance processes within local government. Exposure to integration tools such as OIC, REST/SOAP APIs, or middleware platforms. InterQuest Group is acting as an employment agency for this vacancy. InterQuest Group is an equal opportunities employer ...

Site Reliability Engineer (Automation & Observability)

Hiring Organisation
Networking People (UK) Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day + Inside of IR35
with Git and CI/CD pipelines (e.g., Jenkins) Hands-on experience with Prometheus, Grafana, Loki, and Cortex Proficiency with Ansible Strong understanding of REST APIs Excellent problem-solving skills, including the ability to dig into complex or poorly documented issues Strong analytical thinking and sound judgement Effective communication ...

Mobile App Experience Layer Engineer

Hiring Organisation
ARM
Location
Stratford, London, United Kingdom
Employment Type
Contract
Contract Rate
£508 - £548/day Inside IR35
Skills & Experience - Java/Kotlin with Spring and Spring Boot - Google Cloud Platform (Cloud Run, Pub/Sub, Secret Manager) - Observability tools (Grafana, Splunk) - REST API design - TDD, pair programming, mobbing - Strong communication and mentoring - Git Preferred Experience - DevOps/CI/CD - Load & performance testing - Mobile integration experience - Senior ...

Angular Developer

Hiring Organisation
e2e Infosys
Location
Newham, Greater London, Stratford, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
applications Proven experience in performance optimisation and code improvement Solid knowledge of RxJS, Lazy Loading, Angular CLI Experience with State Management, Dependency Injection & REST API integration Strong skills in TypeScript, JavaScript, HTML5, CSS3, SCSS Familiar with modern UI design techniques & design systems Unit testing experience with Jasmine & Karma ...

Splunk ITSI Developer - Inside IR35 - Leeds 2-3 days per month

Hiring Organisation
RecOps
Location
Leeds, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
dashboards Correlation searches and event analytics AWS including EC2, S3, Lambda and CloudWatch Terraform and Infrastructure as Code Python Scripting AWS Lambda and REST API integrations Splunk performance optimisation and troubleshooting Agile delivery experience Desirable Experience with Grafana, Datadog, Logic Monitor or New Relic Public sector or secure environment experience ...

Integration Engineer - InterSystems

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Horsham, West Sussex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
InterSystems technologies, including: InterSystems IRIS, InterSystems HealthShare, InterSystems Ensemble & InterSystems Cache/ObjectScript Strong understanding of integration patterns and methodologies Proficiency in ObjectScript, SQL, REST/SOAP APIs, Messaging standards: HL7, FHIR, XML, JSON Experience working with interface engines and interoperability frameworks Strong debugging, analytical, and problem-solving capability Ability ...

DevOps Engineer

Hiring Organisation
ARM
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
software product life cycle, from conception to extinction. Experience using CI/CD (e.g., Gitlab CI, Terraform, Ansible, Helm Charts, Python, PowerShell, REST APIs) for Kubernetes cluster build and application delivery Application Experience in Apache NiFi, Elastic ECK, Artifactory Secret Management experience - Hashicorp Vault Operating Systems (Redhat & Windows) Demonstrated experience ...

DevOps Engineer

Hiring Organisation
Advanced Resource Managers Limited
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
software product life cycle, from conception to extinction. Experience using CI/CD (e.g., Gitlab CI, Terraform, Ansible, Helm Charts, Python, PowerShell, REST APIs) for Kubernetes cluster build and application delivery Application Experience in Apache NiFi, Elastic ECK, Artifactory Secret Management experience - Hashicorp Vault Operating Systems (Redhat & Windows) Demonstrated experience ...

Oracle Cloud Integrations Specialist

Hiring Organisation
Summer Browning Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£NEG Excellent Day Rates
experience connecting Oracle ERP and HCM through Oracle Integration Cloud Expert skills in developing and unit testing integration components and web services (SOAP/REST/JSON Payload) using OIC, Postman, and Curl Solid experience with PaaS Cloud system interfaces To apply, please submit your latest CV for review. ...

Integration Architect - Dayforce

Hiring Organisation
Lawrence Harvey
Location
Northampton, Northamptonshire, United Kingdom
Employment Type
Contract
Contract Rate
£600/day
designing integrations with Microsoft Entra (formerly Azure AD), particularly for identity and access management and automated JML workflows. Strong understanding of APIs, web services (REST/SOAP), SFTP, middleware, and integration platforms. Experience with identity lifecycle management and HR-driven provisioning models. Knowledge of data governance, security best practices ...

WS-Tech Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
hands-on experience with Appian. 3+ years of experience developing Appian Plugin 4+ years of experience in the design and implementation of SOAP and REST Web Service. 4+ years of working knowledge of Application Servers like JBoss, WebLogic, IIS, Tomcat etc. as part of the installation. 4+ years experienced ...

ServiceNow Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
performing root cause analysis Ensures adherence to ServiceNow development standards, governance, and security controls across the platform Integrates ServiceNow with external systems using REST/SOAP APIs, MID Server, and third party connectors Participates in Agile ceremonies and sprint activities, contributing to backlog refinement, estimation, and delivery commitments What ...

Technical Support Engineer

Hiring Organisation
Proactive Appointments
Location
Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£200 - £215 per day
group policy objects and execution of SUDO Policies in UNIX/Windows. Understanding of protocols such as HTTP, TCP, FTP/SFTP, SOAP and REST Experience with troubleshooting tools such as Wireshark, Traceroute Solid understanding of object-oriented programming skills (Java strongly preferred) Strong troubleshooting/root cause isolation skills ...

Integration Engineer SC Cleared Remote

Hiring Organisation
Sanderson Government and Defence
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £625 per day
assurance environments. What you'll work on: Designing, configuring and deploying API gateways (rate limiting, routing, SSL/TLS, OAuth, security controls). Integrating REST and SOAP services, including error handling, idempotency and logging. Working with IBM webMethods, DataPower Gateway, API Manager and related tooling. Contributing to secure-by-design ...

Back End Developer

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £570/day
grade systems. Key Responsibilities Design, build, and maintain robust backend services using Java Develop and integrate event-driven systems using Kafka Build and consume REST APIs to support internal and external services Collaborate closely with product owners, architects, and other engineers Write clean, maintainable, and well-tested code Support system ...

Oracle Cloud Integrations Specialist

Hiring Organisation
GTC RECRUITMENT LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 per day
DeliverandenhanceintegrationsandcustomcomponentsusingOracleIntegrationCloud. Workthroughthefulldevelopmentlifecycletointegratenewfunctionalitywithexistingsystems. Maintainandbuildontopreviouslydeliveredintegrationworkstreams. TakeassignedSOWs/tasksandworkindependentlytodeliverhigh-qualityoutputs. Develop,validate,andreviewphysicalintegrationdesignsandproducerelatedtechnicaldocumentation. DeployVBCSapplicationsintodevandtestenvironmentsusingSECDEVOPSpractices. Workcollaborativelywithinamultidisciplinarytechnicalteam. MandatorySkills&Experience 3+yearsdevelopmentexperience. 2+yearsOracleIntegrationCloud(OIC)experience. 2+yearsOracleFusionCloudexperience. Hands-ondevelopmentandunittestingofintegrationcomponents&webservices(SOAP/REST/JSON),usingOIC,PostmanandCurl. ExperiencedevelopingcustomelementsusingOracleVBCS. 3+yearsexperienceworkingwithsysteminterfaces,particularlyPaaScloudintegrations. Strongcommunicationandteamworkskills. ExperienceintegratingOracleERPandHCMviaOIC. KnowledgeofOAUTH,IAM,JWTtechnologies. ExperiencewithGIT,XML,JSON,XSLT,SOAPUI,Postman,Curl. Strongunderstandingofsystemsintegrationbestpracticesandarchitecturalpatterns. Excellentwrittenandverbalcommunicationskills. DesirableSkills Knowledgeofpubliccloud(IaaS)technologiesincludingsecurityandIAMcontrols. ...

Epicor Technical Consultant

Hiring Organisation
Greenfield I T Recruitment
Location
Walsall, West Midlands, England, United Kingdom
Employment Type
Contractor
Contract Rate
£475 - £500 per day
configuration and optimisation Customisations using Epicor tools (Customisation, BPMs, BAQs, dashboards, forms) Report development using SSRS and Crystal Reports Integrations with third-party systems (REST, SOAP, web services, file-based) SQL Server performance tuning and troubleshooting Supporting upgrades, patches and service packs Diagnosing and resolving issues across dev, test ...

Technical Architect

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day + Inside IR35
conversations across teams, within the organisation, and with third parties Solution Design: Experience translating requirements into technical solutions Integration Expertise: Hands-on experience with REST APIs, microservices, and integration patterns Communication: Excellent written and verbal communication skills with ability to engage diverse stakeholders Collaboration: Proven ability to work effectively ...

Front-End Engineer React / TypeScript

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£0 per annum
quality: performance profiling, code-splitting, hydration, SSR/ISR (Next.js). Responsibilities Deliver modular, well-tested SPA components/pages. Integrate with backend APIs (REST/GraphQL), auth flows (OAuth2/OIDC). Collaborate with designers and back-end/AI teams on end-to-end features. Ensure accessibility, performance ...

AI Architect

Hiring Organisation
Lorien
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Services Hands-on technical skills in: Python (Azure SDKs, data workflows) C#/.NET (system integration) React (PoC and demo interfaces) Strong knowledge of: REST API design Azure AI pipelines and orchestration Cognitive Search (semantic, keyword, hybrid) OCR, KVP extraction and document layout analysis Experience building: Speech transcription solutions Document ...

Oracle HCM - Data Integration Analyst

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Harmondsworth, West Drayton, Middlesex, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
common integration patterns. Proven experience challenging and validating integration designs through structured Q&A. Solid knowledge of APIs, web services, and data exchange concepts (REST/SOAP, XML, JSON). Ability to communicate confidently with both technical and non-technical stakeholders. Desirable: Experience analysing or supporting integrations involving Oracle ...

Business Analyst

Hiring Organisation
Project Partners
Location
Magor, Monmouthshire, Gwent, United Kingdom
Employment Type
Contract
Contract Rate
£250/day
Requirements: Intermediate experience using Salesforce platforms Limited experience using these product/services: Service Cloud, Sales Cloud, Field Service, Experience Cloud, Site Tracker, Salesforce REST API Strong planning, decision-making, communication and collaboration skills Salesforce Associate &/or Salesforce Administrator (Desirable qualification) Salesforce Business Analyst &/or Business Analysis ...

ServiceNow Architect

Hiring Organisation
Syntax Consultancy Ltd
Location
RG1 1LZ, Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£525/day 525/day (Outside IR35)
Deep ServiceNow modules + workflows experience including: ITSM, ITOM, Discovery, ITAM, CSM, HRSD, SecOps, GRC). Managing integrations between ServiceNow and other systems (via REST, SOAP APIs, IntegrationHub, MID Server, custom integrations), ensuring reliability, security, latency, error handling, monitoring. Defining + implementing technical governance, architecture operating models, and instance strategy. ...