1 to 25 of 49 API Integration Jobs in Central London

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Please read the below high-level overview of this role first before getting in touch We're looking for a hands-on Senior AI Integration Engineer with strong Python, Azure and API integration experience who has successfully deployed AI-powered solutions into secure, scalable production environments. … call Lorenz Pasch at Hays Recruitment ASAP Full contact details for me are available on my LinkedIn profile. The Role As a Senior AI Integration Engineer, you'll take ownership of end-to-end AI solutions, designing, building and deploying applications that are robust, reliable and ready for production. ...

Please read the below high-level overview of this role first before getting in touch We're looking for a hands-on Senior AI Integration Engineer with strong Python, Azure and API integration experience who has successfully deployed AI-powered solutions into secure, scalable production environments. … call Lorenz Pasch at Hays Recruitment ASAP | Full contact details for me are available on my LinkedIn profile. The Role As a Senior AI Integration Engineer, you'll take ownership of end-to-end AI solutions, designing, building and deploying applications that are robust, reliable and ready for production. ...

product and engineering teams. Respond to RFPs and RFIs with detailed technical responses and well-reasoned solution designs. Advise clients on AI adoption strategies, integration with multi-modal data platforms, and industry best practices. Share market intelligence and competitive insights with the wider team to sharpen our regional … such as compute, storage, networking, and serverless functions, particularly as they relate to deploying and scaling enterprise AI and SaaS solutions. Practical experience with API integration and security: designing, integrating, and securing API connections between AI platforms and business applications (e.g., CRM, ERP, data warehouses), with knowledge ...

familiarity with ORM frameworks (Hibernate/JPA). * Practical experience with trunk-based development. * Working knowledge of OAuth2/OpenID Connect, JWT, and secure API design. * Experience with CI/CD pipelines (Azure DevOps). * Demonstrated hands-on exposure to at least one of: LLM API integration ...

experience with React (hooks, state management, component lifecycle) Proficiency working with Material UI (MUI) to build consistent, scalable interfaces Strong understanding of RESTful API principles — consuming endpoints, handling async data, managing errors gracefully Comfort with modern JavaScript (ES6+) and core web fundamentals (HTML5, CSS3) Familiarity with version control using … authentication patterns (OAuth, JWT) Familiarity with state management libraries such as Redux or Zustand Awareness of accessibility (WCAG) standards Experience writing unit or integration tests (Jest, React Testing Library) Familiarity with AI coding assistants (e.g. GitHub Copilot, Cursor) as a productivity aid — we value developers who can leverage these ...

experience with React (hooks, state management, component lifecycle) Proficiency working with Material UI (MUI) to build consistent, scalable interfaces Strong understanding of RESTful API principles — consuming endpoints, handling async data, managing errors gracefully Comfort with modern JavaScript (ES6+) and core web fundamentals (HTML5, CSS3) Familiarity with version control using … authentication patterns (OAuth, JWT) Familiarity with state management libraries such as Redux or Zustand Awareness of accessibility (WCAG) standards Experience writing unit or integration tests (Jest, React Testing Library) Familiarity with AI coding assistants (e.g. GitHub Copilot, Cursor) as a productivity aid — we value developers who can leverage these ...

following industry best practices React (Essential) Proven hands-on experience with React Strong understanding of: Functional components React Hooks Component composition State management Context API Performance optimisation techniques Experience developing scalable single-page applications (SPAs) Ability to build reusable, maintainable component libraries TypeScript (Essential) Strong commercial experience developing applications … build and CI/CD pipelines Frontend Engineering Experience developing responsive, accessible, and performant user interfaces Understanding of: Component-driven development Client-side routing API integration State management patterns Frontend performance optimisation Ability to consume RESTful APIs and integrate with backend services Apply Now and help shape ...

following industry best practices React (Essential) Proven hands-on experience with React Strong understanding of: Functional components React Hooks Component composition State management Context API Performance optimisation techniques Experience developing scalable single-page applications (SPAs) Ability to build reusable, maintainable component libraries TypeScript (Essential) Strong commercial experience developing applications … build and CI/CD pipelines Frontend Engineering Experience developing responsive, accessible, and performant user interfaces Understanding of: Component-driven development Client-side routing API integration State management patterns Frontend performance optimisation Ability to consume RESTful APIs and integrate with backend services Apply Now and help shape ...

Solid SQL & data modelling instincts — comfortable in data-heavy B2B products ✅ Bonus: experience with agentic/LLM-powered products, tool use, evals, guardrails ✅ Bonus: API integrations (MCP, webhooks, OAuth) + cloud deployment (AWS) Direct AI/ML experience isn't a hard requirement — strong product engineering judgment matters more. ...

Solid SQL & data modelling instincts — comfortable in data-heavy B2B products ✅ Bonus: experience with agentic/LLM-powered products, tool use, evals, guardrails ✅ Bonus: API integrations (MCP, webhooks, OAuth) + cloud deployment (AWS) Direct AI/ML experience isn't a hard requirement — strong product engineering judgment matters more. ...

practices. Experience developing AEM components, templates and workflows. Strong web development skills across modern digital platforms. Experience working with content management systems. Understanding of API integration and connecting AEM with backend services. Good awareness of SEO principles and how they apply to web development. Ability to support accessible ...

machine learning powered functionality Improving application performance, accessibility, and overall user experience Contributing across the full stack when required, including backend development and API integration Gathering user feedback and using product insights to inform future development Driving frontend best practices, component architecture, testing, and development workflows Taking ownership ...

with non-technical users • Comfortable using AI engineering tools such as Cursor, Claude Code or Codex Bonus points for: • Financial services experience • MongoDB • Vendor API integrations • RAG/LLM tooling You’ll suit this role if you like autonomy, enjoy solving messy business problems, and get genuinely annoyed when ...

Onboarding & Financial Crime platform. You will act as a trusted advisor, combining platform configuration expertise with technical guidance, including supporting clients’ technical teams through API integration and development. Working closely with Client Directors and stakeholders, you will gather and translate requirements into effective solutions, provide training and strategic … customers through the full lifecycle of onboarding, meeting timescale requirements Requirements: Experience of implementing & configuring bespoke customer SaaS products Demonstrate knowledge of using REST API for integrating SaaS platforms, familiar with JSON, XML & Webhooks Have financial Crime knowledge/experience as an analyst, investigator or similar in at least ...

Onboarding & Financial Crime platform. You will act as a trusted advisor, combining platform configuration expertise with technical guidance, including supporting clients’ technical teams through API integration and development. Working closely with Client Directors and stakeholders, you will gather and translate requirements into effective solutions, provide training and strategic … customers through the full lifecycle of onboarding, meeting timescale requirements Requirements: Experience of implementing & configuring bespoke customer SaaS products Demonstrate knowledge of using REST API for integrating SaaS platforms, familiar with JSON, XML & Webhooks Have financial Crime knowledge/experience as an analyst, investigator or similar in at least ...

Onboarding & Financial Crime platform. You will act as a trusted advisor, combining platform configuration expertise with technical guidance, including supporting clients’ technical teams through API integration and development. Working closely with Client Directors and stakeholders, you will gather and translate requirements into effective solutions, provide training and strategic … customers through the full lifecycle of onboarding, meeting timescale requirements Requirements: Experience of implementing & configuring bespoke customer SaaS products Demonstrate knowledge of using REST API for integrating SaaS platforms, familiar with JSON, XML & Webhooks Have financial Crime knowledge/experience as an analyst, investigator or similar in at least ...

multi-agent orchestration Python, PyTorch, TensorFlow, Scikit-learn Cloud AI platforms such as AWS, Azure, or GCP Production deployment, MLOps, and scalable AI infrastructure API integration and workflow automation Bonus Points For MCP/Model Context Protocol experience Fine-tuning and evaluation frameworks Recommendation systems and forecasting models ...

stack includes: Backend Services : Python 3.13, FastAPI, async micro-services architecture Data Layer : Neo4j graph database, PostgreSQL, complex data modelling AI/ML : OpenAI integration, semantic search, conversational agents, unstructured data analysis and extraction Infrastructure : AWS (Lambda, ECS/EKS, API Gateway, S3) DevOps : Terraform, GitHub Actions, Helm … NoSQL) Experience with graph databases (Neo4j preferred) or willingness to learn quickly Knowledge of event-driven architectures and message queues Knowledge of API design principles, data validation, and serialisation Experience with AWS Lambda and serverless architectures Experience working across the stack (backend + some frontend) Understanding of web technologies ...