1 to 25 of 27 API Integration Jobs in the City of London

Integration Engineer

Hiring Organisation
Searchability NS&D
Location
City of London, Greater London, UK
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 ...

Business Analyst

Hiring Organisation
Capgemini
Location
City of London, Greater London, UK
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 ...

Technical Lead

Hiring Organisation
XCEEDANCE LIMITED
Location
City of London, Greater London, UK
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 ...

Cribl Data Analytics Engineer

Hiring Organisation
International Military Ministries
Location
City of London, London, United Kingdom
Employment Type
Contract
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 ...

AI Integration Engineer

Hiring Organisation
Hays Technology
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
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. ...

AI Integration Engineer

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
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. ...

Senior Presales Engineer

Hiring Organisation
Uniphore
Location
City of London, Greater London, UK
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 ...

Java Software Engineer

Hiring Organisation
Michael Page
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
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 ...

Frontend Developer (Active SC Clearance Required)

Hiring Organisation
Amber Labs
Location
City of London, Greater London, UK
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 ...

Frontend Developer (Active SC Clearance Required)

Hiring Organisation
Amber Labs
Location
City of London, London, United Kingdom
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 ...

Founding AI Platform Engineer — Stealth AI Start-up

Hiring Organisation
MBN Solutions
Location
City of London, London, United Kingdom
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. ...

Founding AI Platform Engineer — Stealth AI Start-up

Hiring Organisation
MBN Solutions
Location
City of London, Greater London, UK
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. ...

Technical Consultant

Hiring Organisation
LexisNexis Risk Solutions
Location
City of London, Greater London, UK
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 ...

Professional Services Consultant

Hiring Organisation
LexisNexis Risk Solutions
Location
City of London, Greater London, UK
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 ...

Technical Consultant

Hiring Organisation
LexisNexis Risk Solutions
Location
City of London, London, United Kingdom
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 ...

Technical Program Manager

Hiring Organisation
MARSH CORPORATE SERVICES LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
Deep operational knowledge of the London Market placement lifecycle and supporting technology ecosystem. Experience with Blueprint Two digital placement obligations including structured data and API integration. Proven ability to build trusted senior relationships and influence at BU CEO or C-suite level. Track recordof owning technology roadmaps and managing ...

AI and Technical Business Coach

Hiring Organisation
Able Personnel
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 45,000 Annual
tools and modern digital workflows • Coach learners in AI adoption, prompt engineering, automation tools and data driven decision making • Provide guidance on Python scripting, API integrations, data visualisation and low code development solutions • Monitor learner progress through e portfolio systems, action planning and milestone tracking • Support apprentices with technical ...

Senior Sales Engineer

Hiring Organisation
Vixio
Location
City of London, Greater London, UK
into product feedback, navigate multi-stakeholder evaluations, and serve as a trusted conduit between Sales, Product, and Technology teams—helping accelerate security, compliance, and integration requirements that often bottleneck enterprise deals. Key Responsibilities: Deliver tailored technical demonstrations connecting Vixio’s platform capabilities to specific business challenges and regulatory landscapes. … Lead discovery conversations with prospects and customers, uncovering KPIs, strategic initiatives, technical pain points, and integration requirements. Answer technical questions on implementation, security architecture, data delivery, API integrations, and compliance standards with authority. Act as the core technical liaison between customers, Sales, Product, and Engineering - translating business requirements ...

Senior Sales Engineer

Hiring Organisation
Vixio
Location
City of London, London, United Kingdom
into product feedback, navigate multi-stakeholder evaluations, and serve as a trusted conduit between Sales, Product, and Technology teams—helping accelerate security, compliance, and integration requirements that often bottleneck enterprise deals. Key Responsibilities: Deliver tailored technical demonstrations connecting Vixio’s platform capabilities to specific business challenges and regulatory landscapes. … Lead discovery conversations with prospects and customers, uncovering KPIs, strategic initiatives, technical pain points, and integration requirements. Answer technical questions on implementation, security architecture, data delivery, API integrations, and compliance standards with authority. Act as the core technical liaison between customers, Sales, Product, and Engineering - translating business requirements ...

.Net Engineer

Hiring Organisation
Canada Life UK
Location
City of London, London, United Kingdom
Employment Type
Part Time
integrate with existing applications Develop black box services/libraries (reusable pieces) Design and build Prototypes/Proofs of Concept Facilitate automated testing, integration and deployment (CI and CD) Support acceptance testing Participate in problem analysis and help resolve technical problems Provide regular information on progress to project management … variety of development technologies, languages, design patterns, and tooling. Our current tech stack is primarily Microsoft/Azure focused; solid C# is necessary. API Development and integration with 3rd party applications Advocate of key principles such as SOLID and CLEAN code - applying to all areas of development. Keen ...

Senior Data Scientist - Biostatistics

Hiring Organisation
develop
Location
City of London, Greater London, UK
Experience designing and scaling R-based modelling platforms Exposure to deploying analytical models into production environments Experience with Databricks or similar cloud data platforms API development or integration experience Why Apply? This is an opportunity to work on high-impact projects within the life sciences sector, helping organisations ...

AI Security Architect

Hiring Organisation
Norton Blake
Location
City of London, Greater London, UK
record of proposing, designing, and architecting robust security guardrails to mitigate risks like prompt injection, data exfiltration, and model poisoning. Deep understanding of modern API security controls, authentication protocols (OAuth, IAM), and secure data-in-transit practices specifically for AI workloads. At least 5+ years of experience in core … Llama Guard, or cloud-native security proxies. Hands-on experience securing and configuring AI tooling within Google Cloud Platform, including Vertex AI and Gemini API integrations. Practical knowledge of securing Azure OpenAI Service, Microsoft Copilot Studio, and managing associated Azure IAM and data governance controls. Familiarity with Anthropic ...

AI Security Architect

Hiring Organisation
Norton Blake
Location
City Of London, England, United Kingdom
record of proposing, designing, and architecting robust security guardrails to mitigate risks like prompt injection, data exfiltration, and model poisoning. Deep understanding of modern API security controls, authentication protocols (OAuth, IAM), and secure data-in-transit practices specifically for AI workloads. At least 5+ years of experience in core … Llama Guard, or cloud-native security proxies. Hands-on experience securing and configuring AI tooling within Google Cloud Platform, including Vertex AI and Gemini API integrations. Practical knowledge of securing Azure OpenAI Service, Microsoft Copilot Studio, and managing associated Azure IAM and data governance controls. Familiarity with Anthropic ...

Client Delivery Team Lead

Hiring Organisation
EML
Location
City of London, Greater London, UK
delivering complex, client-facing projects with a strong emphasis on technical execution and product expertise. This position requires advanced knowledge of our platform capabilities, API integrations, and process optimization. In addition to managing technical projects, this role includes oversight of Client Delivery Managers to ensure alignment with project goals … decision-making Support technical scoping sessions with internal stakeholders to ensure all requirements are captured before project kick-off Manage complex projects, often including API integrations between client systems and internal platforms with precision Conduct rigorous testing and validation of technical deliverables prior to launch Collaborate with Product ...

Client Delivery Team Lead

Hiring Organisation
EML
Location
City of London, London, United Kingdom
delivering complex, client-facing projects with a strong emphasis on technical execution and product expertise. This position requires advanced knowledge of our platform capabilities, API integrations, and process optimization. In addition to managing technical projects, this role includes oversight of Client Delivery Managers to ensure alignment with project goals … decision-making Support technical scoping sessions with internal stakeholders to ensure all requirements are captured before project kick-off Manage complex projects, often including API integrations between client systems and internal platforms with precision Conduct rigorous testing and validation of technical deliverables prior to launch Collaborate with Product ...