7 of 7 Contract API Integration Jobs in the South East

AI Engineer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Contract
Central London during the week. We are seeking Engineers skilled in python with a strong focus on GenAI AI and LLMs to lead the integration of cutting-edge language technologies into real-world applications. If youre someone passionate about building scalable, responsible, and high-impact GenAI solutions then this … help make your application as relevant as possible, please ensure your CV demonstrates any prior experience you have relating to the below; System Integration & Deployment Model Deployment: Flask, FastAPI, MLflow Model Serving: Triton Inference Server, Hugging Face Inference Endpoints API Integration: OpenAI, Anthropic, Cohere, Mistral APIs ...

Lead Full-Stack Developer

Hiring Organisation
Experis
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
services in cloud environments (AWS, Azure or GCP) Use containerisation tools such as Docker Quality & Collaboration Lead and participate in code reviews Write unit, integration and end-to-end tests (JUnit, Testcontainers, Vitest, Storybook) Maintain clear technical documentation Work closely with product, architecture and delivery teams Embed security best … Commercial expertise in Java plus at least one other back-end language (ideally Python) Solid experience with React and modern front-end tooling Strong API design and integration experience Good working knowledge of Linux and Windows environments Proven problem-solver with strong analytical skills Experience with relational databases ...

Payments Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £600 per day
initiative. Desirable (Not Mandatory) Knowledge of BIAN, TOGAF, ArchiMate, or C4 . Experience with Avolution Abacus or similar architecture tools. Familiarity with microservices, API integration patterns, and cloud concepts such as AWS . Exposure to global banking environments or large-scale payment transformations. What We Do Not Want … Channel, mobile, front-end, or API-only specialists with limited understanding of the execution layer. Engineers or developers without architecture experience at scale. Payments product owners without hands-on architecture or design experience. People whose payments experience is limited to card issuing or eCommerce gateways without knowledge of core ...

Power Platform Developer - SC Cleared

Hiring Organisation
Morgan Hunt Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£575 per day
security roles, entity permissions, authentication, and site configurations. Proficient in scripting and client-side customisation. Experience developing and maintaining Copilot Studio plugins, actions, and API integrations. Strong troubleshooting skills for live system support. Familiarity with Power Automate, custom connectors, and ALM practices. £575 Per Day Inside IR35 SC Clearance ...

Workday Project Manager

Hiring Organisation
Context Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
Workday implementation project Work closely with HR and tech teams to implement multiple Workday modules Oversee integrations with COINS and Kronos/UKG (API integration experience essential) Ensure process mapping is clear, accurate and supports a complex rollout Act as the main point of contact for 3rd party … project on track and delivering outcomes Requirements: Proven experience managing Workday implementations Strong process mapping and project management skills Hands-on experience with Workday API integrations Solid, confident personality with excellent clarity in communication 4 days per week onsite (Central London)/1 day WFH. Working hours ...

Data Engineer - KPI Dashboard

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Uxbridge, Middlesex, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
security across systems. Collaborate with Data Scientists and Analysts to enable advanced analytics. Implement best practices for scalability and performance in cloud environments. Support integration of MRO AI Solutions into business operational workflows. Design data architecture and pipelines that support multi-OpCo deployment, ensuring modularity and interoperability. Required Skills … Experience Expertise in Python, SQL, and modern ETL frameworks. Hands-on experience with cloud platforms (AWS preferred). Strong knowledge of data modelling and API integration. Proven experience in developing, testing, and deploying data solutions into production environments, ensuring reliability, scalability, and maintainability beyond proof-of-concept or prototype ...

Business Analyst DIP & Fund Admin

Hiring Organisation
Oliver James
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Business Analyst - Data Integration Platform (DIP) Programme Contract | Up to £500pd Outside IR35Location: London or Bristol Would you like to help build a data platform from the ground up and shaping how a global fund administration business uses its data? This is a chance to join a brand … Data Integration Platform (DIP) programme, where you'll play a key role in setting direction, influencing design and enabling better use of data across the organisation. What you'll be doing: Leading business analysis across end-to-end data and process journeys Creating high-level process flows, data mappings ...