26 to 42 of 42 Contract RESTful Jobs

Prompt Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
complex workflows (reasoning, planning, tool use, and validation). Build LLM-powered features on Azure (e.g., Azure OpenAI, Azure Functions). Utilize and manage RESTful APIs/SDKs to integrate model calls within web services, back-end jobs, and enterprise applications. Design and implement RAG pipelines (chunking, embeddings, indexing, ranking ...

Full Stack Developer CGEMJP

Hiring Organisation
Experis
Location
City, Sheffield, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
predominantly use Kotlin, Java, JavaScript Working knowledge of Unix Must understand databases from a consumer point of view Knowledge of HTTP APIs e.g. RESTful API's All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able ...

Full Stack Developer CGEMJP00332278

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
predominantly use Kotlin, Java, JavaScript Working knowledge of Unix Must understand databases from a consumer point of view Knowledge of HTTP APIs e.g. RESTful API's All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able ...

Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
West London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £500 per day
enterprise architecture. Domain Knowledge: Deep understanding of payment processing, clearing and settlement, authorization, reconciliation, and exception handling. Technical Expertise: Proficiency in microservices, API integration (RESTful), cloud platforms (AWS, Azure, GCP), and containerization. Message Standards: Expert knowledge of ISO 20022 messaging (including mapping and validation). Soft Skills: Strong communication, stakeholder ...

Python Developer

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day, Negotiable
have AI experience, ChatGPT, Strong in MCP, FastAPI & ORM Key Responsibilities Design, develop, and maintain scalable backend services using Python (FastAPI preferred) Build RESTful APIs and microservices for banking applications Work extensively with PostgreSQL , including schema design, query optimization, and performance tuning Implement secure, high-availability backend solutions aligned with ...

Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
Essential Technical Requirements Python Development 5+ years of hands-on development experience (not scripting/automation roles) Strong knowledge of boto3 API Experience building RESTful applications Strong understanding of testing frameworks, unit testing, and regression testing methodologies AWS Expertise Deep understanding of AWS networking and IAM Strong knowledge ...

Senior Java Engineer - AWS, API - (2 days on site)

Hiring Organisation
Salt
Location
South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700 per day
help drive best practices across the engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such as Lambda, API Gateway, DynamoDB, ECS, S3, and others. Contribute … Spring Boot, and modern backend development. Hands-on experience with AWS cloud services (Lambda, API Gateway, DynamoDB, ECS, S3, etc.). Solid understanding of RESTful API design and exposure to GraphQL. Experience with microservices, event-driven architectures, and distributed systems. Familiarity with CI/CD pipelines and DevOps practices. Knowledge ...

ForgeRock and Ping AIC Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Leamington Spa, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £500 per day
Integration Integrate ForgeRock and PingOne AIC with a wide range of applications, including web applications, mobile apps, APIs, and SaaS services. Develop and consume RESTful APIs for IAM functionalities. Troubleshoot integration issues and work with application teams to ensure seamless identity management. Your Profile Essential Skills/Knowledge/Experience ...

Security Consultant

Hiring Organisation
KBC Technologies UK LTD
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
environment with an ability to work well under pressure. • Broad knowledge of modern Enterprise technologies including Cloud and AI • Exposure to contemporary architectures eg. RESTful APIs and containerised microservices. • Up-to date on emerging threats and experienced with threat modelling frameworks eg. STRIDE/MITRE ATT&CK. • Significant knowledge ...

Full Stack Developer - SC Cleared

Hiring Organisation
Run-Time Group Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract, Work From Home
/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and CSS, Unit Testing and Azure Repos; Any existing experience with Azure including web/SQL deployment, disaster recovery … sign-on technologies would be useful Both back and front end development will be required. Back end requires: C#, .Net Framework 8.0 (or newer), Restful APIs, LINQ, Visual Studio, Azure DevOps, IIS, SQL Server, including T-SQL, Schema Design, Performance Tuning. Front end requires: React (JavaScript Framework), CSS, JSON, Swagger ...

Arcus Software Developer

Hiring Organisation
Develop
Location
United Kingdom
Employment Type
Contract, Work From Home
platform Build and support Arcus-Salesforce integrations, including APIs and data flows Customize and extend Arcus functionality to meet business requirements Develop and maintain RESTful APIs and backend services Collaborate with Salesforce developers, architects, and business stakeholders Troubleshoot and resolve issues across Arcus and Salesforce environments Participate in technical design ...

GIS Integration Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
days a week The Role Define the integration reference architecture for ArcGIS Enterprise (Portal, ArcGIS Server, Data Store) Select and govern integration patterns (RESTful APIs, webhooks, event-driven) based on business and click apply for full job details ...

Mainframe Developer with CICS Webservices

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio. Proficient with SOAP, WSDL, and JSON, with a comprehensive understanding of SOA and RESTful APIs. Experience working with code repositories, bug tracking tools, and wikis. Tools include GitLab, Endevor, JIRA, and Confluence. Knowledge of different security integration patterns such … Java, including OOP and functional programming (Java 8+). Familiarity with Spring Boot annotations, configuration, and how it simplifies Spring application setup and deployment. RESTful API development experience. Option 2: Integration & Middleware Skills Hands-on experience using DataPower appliances. Development experience using XSLT, Gateway Script, and XPath. ...

MuleSoft Developer - 100% Remote - Outside IR35

Hiring Organisation
Exalto Consulting ltd
Location
South East, United Kingdom
Employment Type
Contract
Contract Rate
£35,000
flows across the organisation. Key Responsibilities - Design, build, and deliver APIs and integrations using the MuleSoft Anypoint Platform - Create and maintain RAML specifications and RESTful APIs - Use DataWeave for data mapping and transformation - Configure and manage MuleSoft connectors for a range of enterprise systems - Deliver secure, scalable integrations aligned with … DevOps and release processes within defined governance frameworks Required Skills and Experience - Strong experience working with RAML, DataWeave, and MuleSoft connectors - Solid understanding of RESTful APIs, HTTP, JSON, and XML - Hands‐on experience with CI/CD pipelines and Git - Good knowledge of integration patterns and messaging protocols (JMS, AMQP ...

Workday Integration Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501 per day
Knowledge of programming languages such as XSLT for data transformation and scripting languages like JavaScript or Groovy for custom integrations. API Integration: Experience with RESTful and SOAP APIs to connect Workday with other systems and applications. Data Formats: Familiarity with various data formats like XML, JSON, and CSV for data … Data Mapping and Transformation: Create data mapping and transformation rules to ensure that data flows accurately between Workday and other systems. API Development: Utilize RESTful and SOAP APIs for integrating Workday with external applications and systems, ensuring data is exchanged correctly. Integration Testing: Perform comprehensive testing of integrations to validate ...

GIS Integration Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
days a week The Role Define the integration reference architecture for ArcGIS Enterprise (Portal, ArcGIS Server, Data Store) Select and govern integration patterns (RESTful APIs, webhooks, event-driven) based on business and non-functional requirements (NFRs) Establish governance and standards for service design, versioning and API lifecycle Your Responsibilities Systems … experience with Esri ArcGIS platform (ArcGIS Enterprise, ArcGIS Online, ArcGIS Pro) Understanding with Utility Network Model (UNM) and advanced GIS workflows Govern integration patterns (RESTful APIs, webhooks, event-driven) based on business and non-functional requirements (NFRs) Knowledge of geodatabase design, SQL, and spatial analysis Familiarity with cloud GIS deployments ...

Open Stack, Salesforce & React Native Specialists - London Atrium EME

Hiring Organisation
Atrium Global
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day
London. 12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella options. Open Stack/Salesforce & ReactNative - Salesforce, ReactNative (Web), Java, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, SonarQube, Veracode, Jira, Confluence Open Stack BA - Salesforce, ReactNative (Web), Java … RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, Jira, Confluence API Developer - Java, TDD, RESTful API design & build, OAS/YAML, GitLab, CI/CD Pipelines, Java Database-Hibernate/JPA, SonarQube, Veracode, Jira, Confluence Click Apply now or contact Lianne to be considered ...