1 to 25 of 246 API Integration Jobs in England

Data & API Integration Engineer/Architect Location: London customer site – 1/2 days p/week on site Salary: Up to £105k DoE plus bonus Clearance: Active SC preferred - can sponsor if not currently held (British passport required) To apply, email: henry.clay-davies@searchability.com We’re working … with a leading technology consultancy delivering secure, large-scale digital platforms across public sector and enterprise programmes. They’re looking for an experienced AWS API & Integration Engineer to help design and deliver modern, scalable API-led architectures. This is a hands-on engineering role focused on building ...

Data & API Integration Engineer/Architect Location: London customer site – 1/2 days p/week on site Salary: Up to £105k DoE plus bonus Clearance: Active SC preferred - can sponsor if not currently held (British passport required) To apply, email: henry.clay-davies@searchability.com We’re working … with a leading technology consultancy delivering secure, large-scale digital platforms across public sector and enterprise programmes. They’re looking for an experienced AWS API & Integration Engineer to help design and deliver modern, scalable API-led architectures. This is a hands-on engineering role focused on building ...

Data & API Integration Engineer/Architect Location: London customer site – 1/2 days p/week on site Salary: Up to £105k DoE plus bonus Clearance: Active SC preferred - can sponsor if not currently held (British passport required) To apply, email: henry.clay-davies@searchability.com We’re working … with a leading technology consultancy delivering secure, large-scale digital platforms across public sector and enterprise programmes. They’re looking for an experienced AWS API & Integration Engineer to help design and deliver modern, scalable API-led architectures. This is a hands-on engineering role focused on building ...

Dell Boomi Integration Consultant | £500-£550p/day Outside IR35 | 12 months initially | London/Birmingham Our client is looking for an experienced Dell Boomi Integration Consultant to support a large-scale enterprise integration programme. The role will focus on designing, developing and delivering integration solutions … Boomi AtomSphere, connecting multiple enterprise platforms across cloud and on-premise environments. This is a hands-on technical position requiring strong Boomi development experience, API integration knowledge and the ability to support complex integration landscapes. Key Responsibilities: Design and develop scalable integration solutions using Dell Boomi ...

lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment. This role is ideal for developers with strong technical expertise who are looking to grow … portals using ASP.NET MVC/.NET Core Design and integrate REST APIs with internal and third-party services Implement secure authentication mechanisms (JWT, OAuth2, API Keys) Connect applications to relational databases using Entity Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database ...

patterns, specifically incorporating Claude Code and agentic/multi-agent workflows to automate and validate pipeline conversions. Responsibilities: AI & Generative AI Development Lead LLM Integration: Architect and implement advanced Generative AI solutions, serving as the primary expert for seamless Claude API integration and LLM orchestration. Build Agentic … business and product goals. Job requirements: 8+ years in software engineering and AI/ML development 5+ years with generative AI, LLMs, or Claude API (hands-on development) 4+ years leading AI/ML engineering teams or projects Expert-level Python development (production-grade code) 3+ years with PySpark ...

patterns, specifically incorporating Claude Code and agentic/multi-agent workflows to automate and validate pipeline conversions. Responsibilities: AI & Generative AI Development Lead LLM Integration: Architect and implement advanced Generative AI solutions, serving as the primary expert for seamless Claude API integration and LLM orchestration. Build Agentic … business and product goals. Job requirements: 8+ years in software engineering and AI/ML development 5+ years with generative AI, LLMs, or Claude API (hands-on development) 4+ years leading AI/ML engineering teams or projects Expert-level Python development (production-grade code) 3+ years with PySpark ...

participate in RFP processes to provision new software Define and document application security requirements as part of non-functional requirements, including authentication, access control, API security and threat modelling. Produce and assess threat models to identify and mitigate security risks within proposed solutions Technology Capabilities & Standards Provide application design … recommend and implement improvements in the development process and conduct peer reviews of developers’ code if required Support the team in working towards continuous integration and continuous deployment, work to remove technical impediments raised by the team and proactively escalate relevant issues Primary Skills and Experience Proven experience ...

participate in RFP processes to provision new software Define and document application security requirements as part of non-functional requirements, including authentication, access control, API security and threat modelling. Produce and assess threat models to identify and mitigate security risks within proposed solutions Technology Capabilities & Standards Provide application design … recommend and implement improvements in the development process and conduct peer reviews of developers’ code if required Support the team in working towards continuous integration and continuous deployment, work to remove technical impediments raised by the team and proactively escalate relevant issues Primary Skills and Experience Proven experience ...

participate in RFP processes to provision new software Define and document application security requirements as part of non-functional requirements, including authentication, access control, API security and threat modelling. Produce and assess threat models to identify and mitigate security risks within proposed solutions Technology Capabilities & Standards Provide application design … recommend and implement improvements in the development process and conduct peer reviews of developers’ code if required Support the team in working towards continuous integration and continuous deployment, work to remove technical impediments raised by the team and proactively escalate relevant issues Primary Skills and Experience Proven experience ...

provide an individual finance and asset management solution to all our customers. Job Purpose Working within a small but highly skilled IT team, the Integration & Agentic Solutions Engineer will be responsible for the design, build, documentation and ongoing evolution of Asset Alliance Groups integration and agentic automation capabilities. … role will deliver secure, scalable API integrations using MuleSoft, define and publish Open API standards for customers and suppliers, and design, build and operate Salesforce agentic agents to support business workflows. This role plays a critical part in enabling straight-through processing, partner connectivity, automation, and the safe ...

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 ...

Mulesoft Architect | £80,000–£100,000 + Bonus | London/Hybrid | Mulesoft | Integration Architecture | Stakeholder Management | Public Sector | API Integration | Digital Transformation Are you an experienced Integration Architect with a strong background in MuleSoft Passionate about designing scalable integration solutions for enterprise environments … partnering with a leading consultancy in London that’s expanding its integration team. This is a fantastic opportunity to work on high-impact public sector projects , driving digital transformation through robust integration strategies. As an Integration Architect, you’ll: Lead the design and implementation of enterprise integration ...

frontend ecosystem across multiple products. Key Responsibilities Define and own frontend architecture across a microservices-based platform Design scalable UI solutions aligned to API-first backend services Establish reusable components, UI standards and enterprise design systems Define integration approaches with RESTful and event-driven services Ensure performance, security … Frontend Architecture within complex environments Expertise in React, JavaScript (ES6+), TypeScript, HTML5 and CSS3 Experience designing SPA or micro-frontend architectures Strong understanding of API integration (REST, API gateway patterns, BFF) Experience working in cloud environments such as AWS or Azure Exposure to Docker, Kubernetes ...

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 ...

project managers, solution architects, data architects, QA teams, and developers to translate business needs into deliverable solutions. Support platform implementation, system enhancement, data migration, integration, and reporting initiatives. Define and validate data requirements, source-to-target mappings, business rules, and reconciliation requirements. Support UAT planning, test scenario preparation, test … workbench platforms Broker platforms Delegated authority platforms Bordereaux management tools Reinsurance systems Document management and workflow platforms Data warehouse and reporting platforms CRM platforms Integration/API platforms Cloud-based insurance platforms Examples of commonly seen platforms may include: Guidewire Duck Creek Sequel Verisk Xuber Eurobase Salesforce ServiceNow ...

project managers, solution architects, data architects, QA teams, and developers to translate business needs into deliverable solutions. Support platform implementation, system enhancement, data migration, integration, and reporting initiatives. Define and validate data requirements, source-to-target mappings, business rules, and reconciliation requirements. Support UAT planning, test scenario preparation, test … workbench platforms Broker platforms Delegated authority platforms Bordereaux management tools Reinsurance systems Document management and workflow platforms Data warehouse and reporting platforms CRM platforms Integration/API platforms Cloud-based insurance platforms Examples of commonly seen platforms may include: Guidewire Duck Creek Sequel Verisk Xuber Eurobase Salesforce ServiceNow ...

project managers, solution architects, data architects, QA teams, and developers to translate business needs into deliverable solutions. Support platform implementation, system enhancement, data migration, integration, and reporting initiatives. Define and validate data requirements, source-to-target mappings, business rules, and reconciliation requirements. Support UAT planning, test scenario preparation, test … workbench platforms Broker platforms Delegated authority platforms Bordereaux management tools Reinsurance systems Document management and workflow platforms Data warehouse and reporting platforms CRM platforms Integration/API platforms Cloud-based insurance platforms Examples of commonly seen platforms may include: Guidewire Duck Creek Sequel Verisk Xuber Eurobase Salesforce ServiceNow ...

internal systems and external SaaS platforms. Working cross-functionally with Development, Engineering & Project teams, your primary focus will be developing application logic and enabling integration between systems using established programming languages (including PHP) and Azure PaaS services. You will support a range of integration approaches, including direct application … integration and API-based solutions where appropriate, ensuring solutions are scalable, secure, and maintainable. Key Responsibilities: Develop and maintain intranet applications using relevant web frameworks. Provide user support and resolve application issues as required. Design and implement secure API integrations and data flows (e.g. REST, GraphQL). ...

Model: Full-time, Product Engineering Job Responsibilities Own the high-level and low-level design of services on the BPA platform — define service boundaries, integration contracts, data models, and non-functional requirements. Lead architecture and design reviews; set and enforce engineering standards for code quality, security, performance, and testability … Data, Spring Cache; proven ability to set patterns others follow. Strong command of microservices architecture and distributed-systems fundamentals — resilience patterns, consistency trade-offs, API versioning, and inter-service communication. Experience with Camunda BPM or similar workflow engines, including designing workflow-driven business processes. Strong SQL and PostgreSQL skills ...

Model: Full-time, Product Engineering Job Responsibilities Own the high-level and low-level design of services on the BPA platform — define service boundaries, integration contracts, data models, and non-functional requirements. Lead architecture and design reviews; set and enforce engineering standards for code quality, security, performance, and testability … Data, Spring Cache; proven ability to set patterns others follow. Strong command of microservices architecture and distributed-systems fundamentals — resilience patterns, consistency trade-offs, API versioning, and inter-service communication. Experience with Camunda BPM or similar workflow engines, including designing workflow-driven business processes. Strong SQL and PostgreSQL skills ...

Model: Full-time, Product Engineering Job Responsibilities Own the high-level and low-level design of services on the BPA platform — define service boundaries, integration contracts, data models, and non-functional requirements. Lead architecture and design reviews; set and enforce engineering standards for code quality, security, performance, and testability … Data, Spring Cache; proven ability to set patterns others follow. Strong command of microservices architecture and distributed-systems fundamentals — resilience patterns, consistency trade-offs, API versioning, and inter-service communication. Experience with Camunda BPM or similar workflow engines, including designing workflow-driven business processes. Strong SQL and PostgreSQL skills ...

virtual terminals (paying over the phone), card machines, and can integrate with various software providers, such a Xero or QuickBooks, through easy-to-use API's. It’s an exciting time to join us – as we’re growing fast! With new products, customers and huge plans for exponential growth … professional, diligent and timely manner. Maintain meticulous records on Salesforce, ensuring information is accurate and up to date. Take ownership of complex API integration cases from investigation through to resolution. Interact with clients across multiple communication channels, including live chat, email and phone. Diagnose and resolve issues before ...

virtual terminals (paying over the phone), card machines, and can integrate with various software providers, such a Xero or QuickBooks, through easy-to-use API's. It’s an exciting time to join us – as we’re growing fast! With new products, customers and huge plans for exponential growth … professional, diligent and timely manner. Maintain meticulous records on Salesforce, ensuring information is accurate and up to date. Take ownership of complex API integration cases from investigation through to resolution. Interact with clients across multiple communication channels, including live chat, email and phone. Diagnose and resolve issues before ...

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 ...