7 of 7 Contract API Development Jobs in London

Python Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
application-focused role - DevOps/operations-heavy profiles are not suitable for this engagement. Most Important Strong Python Developer (5+ years hands-on development experience) Strong AWS experience (hands-on, application-focused) 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 of IAM concepts (roles, users, resource policies, SCPs) Experience hosting applications within AWS Recent hands ...

AI Chatbot Technical Lead

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£60,000 - £95,000 per annum
hybrid role that will be based in London. Our client is seeking a hands-on AI Chatbot Technical Lead to drive the development and enhancement of their Service Management Chatbot. This is a key role for someone with deep technical expertise in Python, LangChain, and OpenAI services, particularly within … Azure environments. You will lead the technical delivery of the client’s Chat API, ensuring it is robust, scalable, and continuously improving. Responsibilities Lead the development and enhancement of the Chat API using Python, LangChain, and OpenAI services on Azure Function Apps Monitor and resolve API ...

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
week Key Skills Required Mainframes CICS Webservices Required Skills Experience working in ZOS Connect EE and DB2 REST, with extensive knowledge in CICS webservices. Development experience using FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio. Proficient with SOAP, WSDL, and JSON, with a comprehensive understanding … 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. ...

Workday Integration Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501 per day
Title : Workday Integration Developer 3 months Remote Inside IR35 - umbrella only Role requirements: Minimum of 3 years of experience with Workday HCM integrations - development, maintenance & support. Experience of Workday Integration Tools: Proficiency with Workday's integration tools and technologies, including Workday Studio, Enterprise Interface Builder (EIB), and Workday … PECI & PICOF. Programming Languages: 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 ...

Lead Data Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, Cheap, United Kingdom
Employment Type
Contract
Matillion ETL and SQL Experience designing and managing Snowflake Data Warehouse solutions Strong experience with Qliksense, data modelling and self-service analytics Experience in API Development What you'll get in return An exciting opportunity to join an international organisation in financial services. Furthermore, a competitive day rate ...

AI Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£585/day
governance frameworks for AI/ML models. Python knowledge to automate processes Large datasets experience, including data preprocessing, feature engineering, and model evaluation. Agile development of AI solution from concept to deployment to continuous improvement. Create and maintain technical documentation Communicate complex concepts to all stakeholders. At least … years of experience in AI solution engineering. Large Language Models experience including prompt engineering and RAG implementations. Expert data analytics, MLOps practices and API development. Desirable knowledge in Docker and Kubernetes ...

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
Open Stack, Salesforce & React Native Specialists - London Atrium EMEA are looking for several Open Stack/Salesforce & React Native Specialists to support the Development teams onsite with a client in 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, TDD, RESTful API design & build, OAS/YAML, Unit Testing, GitLab, CI/CD Pipelines, Jira, Confluence API ...