18 of 18 Contract API Integration Jobs in the UK

INTEGRATION DEVELOPER SC CLEARED (Apply online only) P/D INSIDE IR35 REMOTE 6 MONTHS We are seeking an experienced Integration Developer to support the migration to HubStream One within a Microsoft Azure environment. The role focuses on designing, building, and maintaining secure, scalable, and resilient integrations using … modern API-driven architectures and Azure Integration Services. Key Responsibilities Design and implement integrations supporting HubStream One migration Develop and maintain RESTful APIs and Azure-based integration services Build integration workflows using Azure Logic Apps Develop and manage Azure Web Apps/App Services Configure ...

vendor environments, liaising with stakeholders and client architects - Familiar with Agile delivery practices and Behave/BDD (Gherkin syntax) for collaborative workflows BSS Platform & Integration Architecture - Deep BSS platform experience: Order Management, Product Catalogue, CRM (Salesforce), Billing, Service Orchestration, Inventory, Service Assurance - understanding data models, system processes and integration patterns at implementation level - Integration architecture: microservices, API gateways, event-driven architectures, event brokers (Kafka), queues - handling 120+ integration points across systems and legacy stacks - Lead-to-Cash (L2C) and Order-to-Cash (O2C) solutions in Tier-1 telecom operator environments - TMF standards: Product Ordering (TMF641 ...

observability platforms. Implement data reduction strategies to improve platform efficiency and reduce licensing costs. Develop and maintain data parsing, normalisation, and enrichment processes. Support integration with security and monitoring platforms such as Splunk, Microsoft Sentinel, Elastic, and Datadog. Troubleshoot data ingestion, routing, and pipeline performance issues. Work with Security … Linux environments. Networking fundamentals including TCP/IP, DNS, SSL/TLS, and load balancing. Automation & Scripting Python PowerShell Bash/Shell scripting API integration and automation Desirable Experience Financial Services or Investment Banking experience. Large-scale observability or cyber transformation programmes. Experience with OpenTelemetry. Experience with Infrastructure ...

functional delivery environments Previous contract or consulting experience in enterprise settings is highly desirable. Key Skills Python (essential) LLM frameworks (LangChain, LlamaIndex, Semantic Kernel) API integration and microservices development Cloud platforms (Azure, AWS, or GCP) Vector databases and embeddings Git, CI/CD, and DevOps practices Desirable Experience … Azure AI/Microsoft Copilot stack Fine-tuning open-source models (e.g., LLaMA, Mistral) Experience with multi-modal models (text, image, audio) Front-end integration experience (e.g., React-based AI applications) Exposure to AI governance and responsible AI frameworks Industry experience in [Finance/Retail/Healthcare - tailor ...

Apache Spark and large-scale batch processing. Terraform, CI/CD pipelines, and Infrastructure as Code. Git/GitLab and modern software development practices. API integration and data services. Data warehousing, dimensional modelling, and dbt. Power BI familiarity. Experience working within government or highly regulated environments. What ...

Blue Prism development experience Proven track record delivering multiple end-to-end RPA solutions Experience creating detailed business requirements and Process Definition Documents (PDDs) API integration experience and an API-first approach Strong stakeholder engagement and communication skills Ability to translate business requirements into scalable automation solutions ...

support SQL Engineering initiatives, delivering high-quality, scalable solutions aligned to cyber and infrastructure programmes. This role focuses on enhancing design, development, and integration across enterprise services. What you'll be doing Developing and engineering SQL-based solutions to support key technology initiatives Enhancing solution design and delivery, ensuring … seamless integration with internal platforms Adhering to best practices for change control, database security, and governance Producing and maintaining clear documentation across all solution components Collaborating proactively across infrastructure teams and promoting best practices Communicating complex technical concepts clearly to a wide range of stakeholders What we're looking ...

security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure … departments NHS organisations Public Sector bodies Desirable Experience Candidates with any of the following will be particularly attractive: Python development experience AWS cloud experience API-first architecture and API management platforms Microservices architecture Containerisation (Docker/Kubernetes) Event-driven architectures Experience working on large-scale digital transformation programmes ...

security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure … departments NHS organisations Public Sector bodies Desirable Experience Candidates with any of the following will be particularly attractive: Python development experience AWS cloud experience API-first architecture and API management platforms Microservices architecture Containerisation (Docker/Kubernetes) Event-driven architectures Experience working on large-scale digital transformation programmes ...

stored procedures SQL Server Migration Assistant (SSMA) Advanced SQL: Strong query writing and optimisation skills Unix/Linux Shell Scripting Version Control: GitHub API Integration: Experience working with RESTful APIs Alteryx: For data preparation and automation Data Visualisation: Experience with dashboarding and reporting tools Workflow Automation & Scheduling: Using ...

experience Terraform (production-level IaC) Python development for automation and integrations SLO/SLI design & observability tools (Grafana, ThousandEyes/APICA) Event-driven architecture & API integrations Cloud security: RBAC, encryption, CMK Excellent communication skills (English) Candidates will be required to go through background checks before commencing contract. Must ...

essential. Code Debugging : Ability to read, understand, and debug complex, potentially minified code from external partner websites. Technical Troubleshooting : Experience with Chrome Developer Tools , API integrations, and investigating error codes. Familiarity with Web Standards : Knowledge of RSS feeds, crawling (Googlebot), and authentication protocols (OAuth) is highly desirable. Coding Background ...

simple, deterministic flows over complex prompt chains) - Integrating customer/internal data using RAG approaches - Optimising cost, reliability, and system efficiency - Building and maintaining API/SDK-based voice pipelines - Supporting secure handling of sensitive/PII data What we're looking for: - Strong experience building voice … Proven ability to deliver production-grade AI systems - Good understanding of latency and performance optimisation - Experience with RAG and data-driven AI architectures - Strong API integration skills and practical engineering mindset - Comfortable working with sensitive data in production contexts If this sounds like a strong fit, drop ...

designing and delivering enterprise-scale solutions across banking and financial services platforms. You will be responsible for defining architecture across microservices, APIs, and integration patterns, particularly within payment initiation services and multi-rail payment ecosystems (BACS, Faster Payments, SEPA). You will work closely with third-party vendors across … product accounting, risk, and financial crime systems, ensuring seamless integration and regulatory compliance. The role also involves designing solutions across hybrid cloud and legacy environments, covering compute, storage, networking, security, and disaster recovery. Additionally, you will drive DevOps adoption using modern tooling such as Kubernetes, Docker, Terraform, Azure DevOps ...

designing and delivering enterprise-scale solutions across banking and financial services platforms. You will be responsible for defining architecture across microservices, APIs, and integration patterns, particularly within payment initiation services and multi-rail payment ecosystems (BACS, Faster Payments, SEPA). You will work closely with third-party vendors across … product accounting, risk, and financial crime systems, ensuring seamless integration and regulatory compliance. The role also involves designing solutions across hybrid cloud and legacy environments, covering compute, storage, networking, security, and disaster recovery. Additionally, you will drive DevOps adoption using modern tooling such as Kubernetes, Docker, Terraform, Azure DevOps ...

development partners to deliver projects and scale the platform. As we expand our business seller network, we are looking for an experienced Senior Integration Engineer to help businesses connect their inventory systems directly to the ifndautoparts marketplace. This is a highly technical, hands-on role focused on helping business … founders, onboarding team, and external development partners to help shape the future of seller integrations across the platform. The Role As our Senior Integration Engineer, you will be responsible for designing, developing, and maintaining integrations between external inventory systems and the ifndautoparts marketplace. When a new business seller joins ...

cohesive end-to-end strategy across complex, multi-channel and highly integrated systems. Challenge: The company are currently using a mixture of Playwright, System Integration Testing, UAT, functional testing, UI and API testing, but lacks some structure to all these testing types and needs an SME to connect … Stack): • Front-end: Strong JavaScript testing experience , ideally bringing experience with Playwright for test automation • Back-end: Strong experience testing Java-based systems , including API and integration testing across backend services• TypeScript: Experience using TypeScript for scalable and maintainable test automation frameworks• Messaging Platforms: Experience testing multi-channel ...

with Sitecore architecture content modelling and multisite configurations Experience with Sitecore headless delivery JSS Experience Edge desirable Backend C NET development ASPNET Core RESTful API design and integration patterns Sitecore Helix architecture principles Experience with Azure or other cloud hosting environments is a plus Frontend Working knowledge … review frontend code critically and guide frontend engineers effectively DevOps Tooling Gitbased workflows branching strategies and agile culture Testing Quality Familiarity with unit testing integration testing and automation testing approaches Ability to instil QA discipline within a development team Leadership Proven experience leading a high performing development team ...