24 of 24 Contract API Integration Jobs in London

Software Engineer | Workday Certified Developer | C# | API Integrations | Contract Workday Studio | EIBs | Core Connectors | REST APIs | HRIS | RemoteSR2 is working with a consultancy client on a large-scale Workday implementation and looking for an experienced Workday Certified Developer with strong C# and API integration expertise.This role will focus on designing, building, and maintaining complex integrations between Workday … and EIBs Build and maintain robust integrations with third-party applications using C# and REST/SOAP APIs Collaborate with HRIS, business, and technical teams to define and deliver integration requirements Provide technical expertise and best practice guidance for Workday integration architecture Troubleshoot and resolve complex integration issues to minimise disruption Produce clear documentation and provide knowledge … transfer to internal teams Skills & Experience Required: Workday Integration Certification Strong experience with Workday Studio, EIBs, and Core Connectors Proven background in C# development in integration-heavy environments Hands-on experience with REST/SOAP APIs , XML, JSON, and XSLT Strong communication skills and ability to work in a global, distributed environment Self-sufficient, proactive, and comfortable working More ❯

OpenAI (GPT-4, function calling, chat completion) - Planner and Kernel Memory APIs for reasoning and memory - RAG pipelines grounded in enterprise data via Azure AI Search Microsoft 365 & Graph API Integration Enable agents to access and reason over content in SharePoint, OneDrive, Teams, Outlook, and Planner. utilise Microsoft Graph API to retrieve and manipulate enterprise data efficiently. … Enterprise Data & AI Services Integration Integrate with Azure AI Search, Azure Form Recognizer, and Azure Language Services for enhanced document understanding and summarization. Cloud Engineering & Security Deploy solutions using Azure Kubernetes Service (AKS) or Azure Container Apps. Ensure robust security with Azure Key Vault, Microsoft Entra ID, and best practises in identity and access control. What We're Looking … For Technical Skills & Technologies: Strong experience with Power Platform, including Copilot Studio, Power Automate, Power Apps, and custom connectors. Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel. Solid programming skills in Python and/or C#. Familiarity with LangChain, AutoGen, or similar orchestration frameworks. Experience with Azure AI Search, Form Recognizer, and Language Services. Knowledge of CI More ❯

OpenAI (GPT-4, function calling, chat completion) - Planner and Kernel Memory APIs for reasoning and memory - RAG pipelines grounded in enterprise data via Azure AI Search Microsoft 365 & Graph API Integration Enable agents to access and reason over content in SharePoint, OneDrive, Teams, Outlook, and Planner. utilise Microsoft Graph API to retrieve and manipulate enterprise data efficiently. … Enterprise Data & AI Services Integration Integrate with Azure AI Search, Azure Form Recognizer, and Azure Language Services for enhanced document understanding and summarization. Cloud Engineering & Security Deploy solutions using Azure Kubernetes Service (AKS) or Azure Container Apps. Ensure robust security with Azure Key Vault, Microsoft Entra ID, and best practises in identity and access control. What We're Looking … For Technical Skills & Technologies: Strong experience with Power Platform, including Copilot Studio, Power Automate, Power Apps, and custom connectors. Proficiency in Microsoft Graph API, Azure OpenAI, and Semantic Kernel. Solid programming skills in Python and/or C#. Familiarity with LangChain, AutoGen, or similar orchestration frameworks. Experience with Azure AI Search, Form Recognizer, and Language Services. Knowledge of CI More ❯

Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions. REST/SOAP API Integration: Building and consuming APIs for third-party integrations. ServiceNow Workflows: Designing and implementing Flow Designer and Legacy Workflow Editor. Service Portal Development: Custom widgets, pages, and themes. More ❯

Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions. REST/SOAP API Integration: Building and consuming APIs for third-party integrations. ServiceNow Workflows: Designing and implementing Flow Designer and Legacy Workflow Editor. Service Portal Development: Custom widgets, pages, and themes. More ❯

Platform Excellent stakeholder management and relationship building skills Background in developing with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, Web APIs and Visual Studio, API integrations Skilled in creating interface definitions Exposure to working with Agile development framework Experience with software design and development in a test-driven environment Why join us Career coaching More ❯

Lead Integration Engineer (Contract) Contract Length: ~6 Months Location: Hybrid with an expectation to spend approximately one day per week on-site in Stratford, London Day Rate: Up to £500 Start Date: End of September Interview Process: Initial interview followed by one or two client interviews This role requires a highly skilled, hands-on Lead Integration Engineer with … significant experience in AWS, Python, and integration platforms. The successful candidate will provide both technical and thought leadership, driving integration initiatives in a complex and evolving environment. Key Responsibilities Scope, design, and build integrations across third-party platforms leveraging AWS infrastructure Develop and maintain scalable data pipelines using Python, ensuring data quality, consistency, and reliability Ensure secure and … efficient data exchange between platforms by applying best-practice design principles Collaborate with Data and Infrastructure teams to translate requirements into robust technical solutions that align with the overall integration architecture Produce and maintain clear documentation of integration flows Required Skills & Experience Strong experience with RESTful API integrations Proven understanding of integration ETL/ELT concepts More ❯

modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions is also required. Experience of REST/SOAP API Integration: Building and consuming APIs for third-party integrations. Knowledge of ServiceNow Workflows: Designing and implementing Flow Designer and legacy Workflow Editor and Service Portal Development: Custom widgets More ❯

Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions. REST/SOAP API Integration: Building and consuming APIs for third-party integrations. ServiceNow Workflows: Designing and implementing Flow Designer and legacy Workflow Editor. Service Portal Development: Custom widgets, pages, and themes. More ❯

automation is scalable and resilient. Act as a technical architect on projects, advising stakeholders on Salesforce best practice and system design. Deliver and document end-to-end solution architecture , integration patterns, and technical specifications. Collaborate with cross-functional teams to ensure seamless integrations with external systems (ERP, finance, payment gateways, middleware). Conduct code reviews, troubleshoot technical issues, and … development, and Salesforce automation tools. Strong understanding of Salesforce architecture principles and ability to design scalable multi-cloud solutions. Solid background in Apex, LWC, SOQL, and REST/SOAP API integration . Experience integrating Salesforce with ERP, billing, or financial systems. Knowledge of data modelling, governance, and deployment processes (DevOps, Git, CI/CD pipelines) . Excellent stakeholder … e.g., Salesforce Revenue Cloud Consultant, Application Architect, System Architect, or Technical Architect ). Previous contract experience within telecoms, fintech, SaaS, or enterprise transformation projects . Familiarity with Middleware/Integration platforms (MuleSoft, Dell Boomi, etc.). This role is fully remote within the UK. Unfortunately, we cannot provide visa sponsorship, so applicants must have the right to work in More ❯

needs. Data Visualisation :Implement dynamic visual components such as charts, filters, and drill downs using frameworks like React , Vue , or Angular , and libraries such as D3.js or Chart.js . API Integration :Collaborate with Data Engineers to ensure seamless integration with back-end APIs and data services, managing data flow and security. User-Centred Design :Participate in user More ❯

Performance Monitoring Proficiency in Dynatrace Query Language (DQL) and Grail for advanced analytics Anomaly Detection Profiles Alerting Rules and Alert Profiles Synthetic Monitoring Log Monitoring Real User Monitoring (RUM) API integration of Dynatrace with external systems Ideally, you will have Davis AI to: Automatically detect anomalies and performance degradations. Correlate events across the full stack for root cause More ❯

latest cloud based versions of their other financial modelling, FP&A, Procurement & payment systems, Financial Systems consolidation and the opportunity to learn & execute code-based automation and/or API integrations between across different systems. This is a fantastic opportunity to join a an actively expanding blue chip Financial Services firm that is poised for further growth and can More ❯

expertise in Dynatrace (SaaS & On-Premises) including: Application Performance Monitoring Anomaly Detection Profiles Alerting Rules & Profiles Synthetic & Log Monitoring Real User Monitoring (RUM) DQL & Grail for advanced data analytics API integrations with complex systems Experience working in resilience/observability engineering. Strong communication skills and ability to work in high-pressure environments. Flexible, pragmatic, and delivery-focused with a More ❯

Techincal Architect will have good solid experience of having work on Genesys Clould projects. The Technical Architect will have experience in; - Genesys Cloud - Genesys Engage - AI/Ml - CRM - API Integration - Java/Pyton Experience Technical Architect - Genesys Cloud - 6 Months - Inside IR35 Randstad Technologies is acting as an Employment Business in relation to this vacancy. More ❯

Techincal Architect will have good solid experience of having work on Genesys Clould projects. The Technical Architect will have experience in; - Genesys Cloud - Genesys Engage - AI/Ml - CRM - API Integration - Java/Pyton Experience Technical Architect - Genesys Cloud - 6 Months - Inside IR35 Randstad Technologies is acting as an Employment Business in relation to this vacancy. More ❯

Techincal Architect will have good solid experience of having work on Genesys Clould projects. The Technical Architect will have experience in; - Genesys Cloud - Genesys Engage - AI/Ml - CRM - API Integration - Java/Pyton Experience Technical Architect - Genesys Cloud - 6 Months - Inside IR35 Randstad Technologies is acting as an Employment Business in relation to this vacancy. More ❯

stack development using React , Next.js , and JavaScript/TypeScript Proven backend engineering skills using Node.js and/or modern languages like Python , Ruby , Scala , or Rust Solid understanding of API design and integration Track record of delivering end-to-end web applications Knowledge of performance tuning and front-end optimisation Comfortable in Agile environments with CI/CD More ❯

Client priorities and fixing bugs/issues raised on the Live application. You will have experience working with/developing microservices, containerised applications, TypeScript, React(TypeScript), GraphQL/Hasura, API development and integration, PostgreSQL, JavaScript, GoLang, and Python. You will be comfortable using the supporting tools for Agile product delivery such as JIRA (User Story/Defect/… . Key Responsibilities Lead development of microservices and front-end components using Node.js (TypeScript) and React (TypeScript). Configure and extend Hasura GraphQL Engine, including permissions, computed fields, and API integrations. Design and implement PostgreSQL schemas, migrations, and triggers; ensure data integrity and performance. Integrate with Identity and Access Management (IdAM) systems. Ensure secure coding practices and compliance with More ❯

Data Scientist to provide oversight and hands-on expertise for the build of an AI Agent within an automated insurance workflow . The project involves prompt engineering of LLMs, API development and integration , and deploying solutions in line with a defined solution design. The successful contractor will also provide day-to-day oversight and mentorship to a junior … responsible for: Designing, building, and deploying AI Agent solutions within an insurance workflow. Developing and refining prompt engineering approaches for large language models (LLMs). Building, testing, and integrating API calls to meet solution design specifications. Deploying containerised applications in Azure (or other cloud environments) . Providing technical leadership, support, and oversight to a junior Data Scientist . Collaborating … deliver AI/ML solutions from design through to deployment. Proven ability to provide technical oversight and mentorship . Desirable: Experience within Financial Services/Insurance environments. Familiarity with API-first solution architectures . Prior exposure to containerisation (Azure Container Apps, Kubernetes, Docker). More ❯

Project Manager – API Integrations London (Hybrid) 12 Month FTC Highly Competitive Salary Benefits START ASAP We are looking for an experienced Project Manager with a strong background in API integrations to oversee the delivery of multiple system integrations into a new banking platform. In this role, you will manage complex integrations, working closely with internal stakeholders and third … You’ll be responsible for understanding how APIs work, ensuring delivery of the development roadmap, and managing vendor relationships to achieve successful outcomes. Key requirements: Proven track record managing API or system integration projects Strong knowledge of banking, financial services, or fintech environments Experience working with third-party vendors and complex technical projects Solid project management skills, including … roadmap delivery, governance, and risk management This is an exciting opportunity to lead high profile integration projects within a fast paced financial services environment. Project Manager/PM/Programme/Technology/System/Systems/Migration/Integration/Core Banking/Platforms/IT/API/APIs/Finance/Financial/Building More ❯

using Apex , Lightning Web Components (LWC) , and advanced Screen Flows . Implement complex access control models , including restrictive OWDs, sharing rules, and permission sets. Develop and maintain critical REST API integrations , including secure connections via Salesforce Private Connect . Configure Salesforce Shield , leveraging Real-Time Event Monitoring to integrate with tools like Splunk SIEM . Translate business and architectural … Case Management, Knowledge, and Messaging for In-App/Web (MIAW) . Demonstrated ability to implement and manage Salesforce Shield and robust data security models. Solid understanding of Salesforce integration patterns and consuming external REST APIs. Experience working in Agile delivery teams (Scrum/Kanban). Desirable Skills Knowledge of Salesforce Public Sector Solution (PSS) . Experience with Salesforce More ❯

/Marketing Technology Location: London, UK- Hybrid Duration: Until End of Feb 2026 Key Responsibilities: Serve as a subject matter expert and technical consultant on advertising technology platforms and API integrations. Support clients with end-to-end technical guidance to achieve optimal marketing technology implementation. Collaborate with sales and account teams to identify client needs and uncover new opportunities. … Document technical requirements, project updates, and best practices. Troubleshoot integration issues and work directly with client engineering teams. Maintain high standards of integration quality and performance metrics. Qualifications: 5+ years of combined experience in technical consulting, solutions architecture, sales engineering, or partner engineering roles. Proven ability to communicate complex technical concepts clearly to both technical and non-technical … audiences. Hands-on experience working with APIs, including reading documentation, scripting API calls, and testing integrations. Strong problem-solving skills and an engineering mindset. Experience in AdTech, digital marketing technology, or related fields preferred. Familiarity with cloud platforms and marketing data quality APIs is a plus. More ❯

Eclipse Broking system. Assist with troubleshooting, configuration, and minor enhancements. Collaborate with internal teams to ensure smooth application performance and integration. Support wider application landscape including SQL Server and API-based systems. Document and escalate issues as needed, ensuring timely resolution. Required Experience Technical understanding of Eclipse Broking (PAS). Experience working within the insurance sector, ideally Lloyd's … market. Exposure to SQL Server, including basic querying and troubleshooting. Familiarity with API integrations and general application support. Strong problem-solving skills and ability to work independently. To apply for this role please contact David Airey on or at . Tenth Revolution Group are the go-to recruiter for Data & AI roles in the UK offering more opportunities across More ❯