8 of 8 Remote/Hybrid Contract API Development Jobs

AI ML Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £425 to £450 per day
GenAI, Gemini, or open-source LLMs; train, fine-tune, and onboard new LLMs Experience in building GenAI applications using Python Hands-on experience with API development and microservices architecture and end-to-end integrations Knowledge of RAG (Retrieval-Augmented Generation) and ADK, MCP Solid understanding of LLMs, prompt … engineering, and graph-based workflows Hands-on experience with API development and microservices architecture Experience in CI/CD pipelines and containerization (Docker/Kubernetes), Harness, and Git Actions Build scalable data pipelines and workflows on GCP (Big Query, Vertex AI, Dataflow, Pub/Sub, Redis and NoSQL ...

Data Integration Developer

Hiring Organisation
Hays
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500.0 - £525.0 per day + £525 outside IR35
MariaDB Database Backups from Learning Pool - Existing Data Lake assets - Power BI consumption layer In parallel, they are implementing Learning Pool User Provisioning via API, enabling automated CRUD operations for LMS accounts. A dedicated resource is required to deliver the ingestion pipelines, modelling, API integrations, and operational components. … API Development - Build integration to the Learning Pool External Extended API for Create, Retrieve, Update, and Delete LMS users. - Implement all mandatory and optional schema attributes, including: Organisation hierarchy Position hierarchy Manager/appraiser assignments Custom fields Preferences Implement robust error-handling for all LP error codes. ...

Backend Software Engineer

Hiring Organisation
Bruin Financial & Professional Services
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design … collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure ...

Senior Risk Python Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£875.0 - £900.0 per day + Up to £900pd Umbrella
currently working with a London-based financial services client who are actively seeking a senior Python developer to work on the development of a business critical application within the risk space. What you'll need to succeed : Extensive Python application development experience within financial services - must have. Strong … API development experience. Strong experience with Django or similar. Javascript experience - nice to have. Strong risk knowledge, and a good mathematical background. Extensive experience working with and analysing large quantities of data. Strong SQL experience. What you'll get in return: Up to £900pd umbrella. London-based hybrid ...

React Native developer

Hiring Organisation
Experis
Location
Knutsford, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
£430/day
focused engineering team building modern, scalable applications using React Native (Web) and Java . This is a hands-on role requiring strong full-stack development capability, disciplined engineering practices, and experience working in Agile environments. The role involves contributing across the full software development lifecycle, from design … development through testing, deployment, and ongoing support, with a strong emphasis on code quality, security, and automation. Key Responsibilities Design, develop, and maintain React Native (Web) applications with a focus on performance, reliability, and maintainability Build and support Java-based backend services for enterprise-scale applications Design and implement ...

Python Developer

Hiring Organisation
WWT EMEA UK LIMITED
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Wide Technology, established in 1990 in St. Louis, Missouri, collaborates with OEMs like Cisco and Dell EMC to offer infrastructure security and custom app development services to Fortune 500 companies in various sectors. With over 10,000 employees globally, we generate $17 billion in annual revenue and operate … design patterns. Experience with Django/Flask/FastAPI and SQLAlchemy. Knowledge of authentication standards (OAuth, SAML). Familiarity with microservices, distributed systems, and API development. Proficiency with Git and Python build tools. Experience with testing frameworks like PyTest. Bachelors degree in Computer Science or related field. Excellent analytical ...

Salesforce Full Stack Developer

Hiring Organisation
Red - The Global SAP Solutions Provider
Location
Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Rate:Competitive | Inside IR35 Role Description: We are seeking a highly skilled Salesforce Full Stack Developer with strong expertise in Java, Apex, and RESTful API development. The role involves designing scalable Salesforce solutions, building high quality integrations, and contributing to automated testing and CI/CD practices across development workflows. Required Skills & Experience 5+ years of development experience combining Salesforce (Apex, LWC, Visualforce) and Java. Strong experience in RESTful API design and Back End service development. Hands-on proficiency in OpenAPI (OAS) and API documentation in YAML. Strong understanding of unit testing approaches for both ...

Salesforce Marketing Cloud Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
West London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
support continuous improvement of business performances and customer experience. We're looking for a talented individual seeking out latest trends and techniques in email development to help M&S take the next step. Please include a link to your portfolio as part of your application. Your Responsibilities … Essential Skills/Knowledge/Experience (Up to 10) Strong understanding of HTML/CSS for responsive email. Strong understanding and experience in SFMC API development. Strong understanding and experience in SSJS scripting + relevant scripting languages. Experience using Salesforce Marketing Cloud and Content Builder to deliver automated email ...