1 to 25 of 58 Permanent API Integration Jobs in London

Azure API & Integration Engineer - London - 12 Month FTC

Hiring Organisation
The Huntsmith Limited
Location
London, UK
Employment Type
Full-time
Description My client has a requirement for an Azure API Integration Engineer on an initial 12 month fixed term contract with opportunities to extend thereafter. Please note this role will require you to visit their office twice per week - the nearest station to their office is Kings Cross. … ROLE: - Lead the administration of the API and integration Dynamics 365 CRM connectivity Management of their Microsoft ecosystem REQUIRED SKILLS: - Azure Logic Apps and Azure service bus - designing and building the integration flows Azure data layer API Keys Deployment Reviews Cost Reporting M365 and Dynamics ...

IT Integration Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
Integration Developer Location: Central London/Hybrid Profectus Recruitment are working with a highly regarded Fintech organisation currently investing heavily in modern cloud integration, automation and enterprise platforms. We are looking for an experienced IT Integration Developer to help design and deliver secure, scalable integrations between internally … developed systems and modern SaaS platforms. This is a fantastic opportunity for somebody who enjoys solving complex integration challenges and working across cloud, middleware and API technologies within a business undergoing ongoing digital transformation. The Role You will act as the technical bridge between core business systems ...

Senior Technical Lead

Hiring Organisation
Nextech Group Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Senior Technical Lead - Platform Integration & Implementation Remote (UK) | £85,000 - £90,000 + benefits | Permanent | Occasional UK travel A well-funded, growth-stage technology group is building the platform backbone for an ambitious UK-wide MSP roll-up. Fully equity-backed, no debt, and acquiring 8-10 regional MSPs … into a repeatable process. What you'll do Phase 1 (0-3 months): Lead the greenfield implementation of all core platforms. Build foundational REST API integrations and webhook-driven automations. Define the cross-platform data model - canonical field mapping, entity relationships and data quality standards across ...

Senior Technical Lead

Hiring Organisation
Nextech
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £90,000 per annum
Senior Technical Lead - Platform Integration & Implementation Remote (UK) | £85,000 - £90,000 + benefits | Permanent | Occasional UK travel A well-funded, growth-stage technology group is building the platform backbone for an ambitious UK-wide MSP roll-up. Fully equity-backed, no debt, and acquiring 8-10 regional MSPs … into a repeatable process. What you'll do Phase 1 (0-3 months): Lead the greenfield implementation of all core platforms. Build foundational REST API integrations and webhook-driven automations. Define the cross-platform data model - canonical field mapping, entity relationships and data quality standards across ...

Data Engineer

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £70,000 per annum
Support the ongoing migration and modernisation of legacy/on-premise data infrastructure into Azure cloud services. Develop robust ETL/ELT pipelines and API integrations across multiple internal and external data sources. Automation & Intelligent Workflows Support automation initiatives aimed at improving operational efficiency and reducing manual processing tasks. ...

Java Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
help build their business. Role Theyre looking for aJava Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts …/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some ...

Principle Java Engineer

Hiring Organisation
Profile 29
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
experienced (Principle/Team Lead) Java Engineer to join their implementation team. You’ll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration — helping their public-sector clients build secure, scalable, and resilient digital services. You’ll collaborate with solution architects, business analysts …/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some ...

Senior Engineer

Hiring Organisation
&Dine
Location
London, England, United Kingdom
operations to deliver practical solutions Improve system performance, reliability, and developer workflows Front-end JavaScript/TypeScript Vue/Nuxt or similar REST API integration Solid CSS/SCSS/SASS State management and component-based development Unit/end-to-end Testing and Git workflows Experience with ...

AI Engineer

Hiring Organisation
Orion Innovation
Location
London Area, United Kingdom
ensuring alignment with architectural standards and platform best practices Collaborate with the AI Ops Core Pod to adopt and influence reusable assets, frameworks, and integration patterns Design and implement LLM-powered agent workflows using frameworks such as LangChain, LangGraph, or CrewAI Develop prompt chains , agent tools, and custom modules … feedback Contribute to the automation of testing, deployment, and validation pipelines for AI agents Maintain thorough documentation of agent behavior, design decisions, and integration logic for operational readiness and knowledge transfer Preferred Qualifications Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field ...

Front End Engineer - AI

Hiring Organisation
Orion Innovation
Location
City of London, London, United Kingdom
ensuring alignment with architectural standards and platform best practices Collaborate with the AI Ops Core Pod to adopt and influence reusable assets, frameworks, and integration patterns Design and implement LLM-powered agent workflows using frameworks such as LangChain, LangGraph, or CrewAI Develop prompt chains , agent tools, and custom modules … feedback Contribute to the automation of testing, deployment, and validation pipelines for AI agents Maintain thorough documentation of agent behavior, design decisions, and integration logic for operational readiness and knowledge transfer Preferred Qualifications Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field ...

Senior Application Specialist

Hiring Organisation
X4 Technology
Location
Greater London, England, United Kingdom
5+ years PHP experience (Laravel strongly preferred) Strong JavaScript, HTML and CSS skills Experience building scalable, secure and highly available systems REST and SOAP API integration experience Test Driven Development (TDD) and PHPUnit Docker experience Git version control (GitHub preferred) Experience working in Agile/Kanban teams Strong ...

Lead Data Scientist

Hiring Organisation
SBS
Location
Greater London, England, United Kingdom
Strong communication skills, stakeholder engagement, and technical reporting Experience with Generative AI Retrieval-Augmented Generation, and cloud deployment Familiarity with financial data structures and API integration (desirable) Required Attributes: Highly motivated, adaptable, and able to work independently while collaborating with academic and industry teams Commercial awareness and ability ...

AI & Data Analyst

Hiring Organisation
PMC Treasury
Location
City of London, London, United Kingdom
Platform/Power Automate Proficiency building Power BI dashboards and reports for business stakeholders Bonus - Working knowledge of Python for scripting, data handling, or API integration Bonus - Experience with Snowflake as a cloud data platform Professional A commercial mindset: you think about business value first, technology second Strong ...

Front End Web Developer

Hiring Organisation
Robert Half
Location
London, UK
Employment Type
Full-time
React and modern JavaScript (ES6+). Proven experience building and maintaining single-page applications. Hands-on experience with Payload CMS, including content modelling and API integration. Strong understanding of HTML, CSS, and component-based architecture. Ability to translate design concepts into production-ready front-end code. Strong knowledge ...

Principal Solutions Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
business validation during the sales cycle — creating and delivering compelling demos, proofs‐of‐concept, and executive presentations. Provide hands‐on technical guidance across API integrations, data‐workflow design, architecture, troubleshooting, and best‐practice implementation, supported by clear documentation. Partner with regional commercial teams - Sales, Customer Success, GPRG, Intelligence ...

Software Engineer - PHP Laravel

Hiring Organisation
Big Red Recruitment Midlands Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 55,000 Annual
across the business to identify opportunities for new tooling, automation, and innovation. What you ll be doing: Developing applications using PHP and Laravel Building API integrations across multiple systems Creating customer-facing dashboards and reporting tools Exploring AI-assisted development approaches Helping shape bespoke software solutions across the business ...

Software Engineer - PHP Laravel

Hiring Organisation
Big Red Recruitment Midlands Limited
Location
London, Fleet Street, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum £45 000 - £55 000
across the business to identify opportunities for new tooling, automation, and innovation. What you’ll be doing: Developing applications using PHP and Laravel Building API integrations across multiple systems Creating customer-facing dashboards and reporting tools Exploring AI-assisted development approaches Helping shape bespoke software solutions across the business ...

Digital Platform Architect (power platform)

Hiring Organisation
Morgan Philips Specialist Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
similar certifications desirable] with recent experience of designing, documenting, and delivering complex digital solutions. Undertake development of customising Dataverse, canvas apps, API integrations with 3rd party systems. Any experience with AI, automation and digital service design principles Work closely with the wider team such ...

Digital Platform Architect (power platform)

Hiring Organisation
MORGAN PHILIPS UK LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
similar certifications desirable] with recent experience of designing, documenting, and delivering complex digital solutions. Undertake development of customising Dataverse, canvas apps, API integrations with 3rd party systems. Any experience with AI, automation and digital service design principles Work closely with the wider team such ...

Senior Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
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 observability tools (OpenTelemetry, Prometheus, Grafana) Experience with AWS Lambda and serverless architectures Experience working across the stack (backend ...

Data Scientist

Hiring Organisation
Russell Tobin
Location
London Area, United Kingdom
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 ...

CRM Systems Specialist

Hiring Organisation
TavasTechs
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 50,000 Annual
that luxury customers expect. Your Roles and Responsibilities: You will lead the technical configuration of the CRM ecosystem, designing advanced workflows and managing complex API integrations. Ensure a unified 360-degree customer view by bridging the gap between web, social, boutique sales, and digital marketing. Act as the ultimate ...

CRM Systems Specialist

Hiring Organisation
TavasTechs
Location
Mayfair, Greater London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum
that luxury customers expect. Your Roles and Responsibilities: You will lead the technical configuration of the CRM ecosystem, designing advanced workflows and managing complex API integrations. Ensure a unified 360-degree customer view by bridging the gap between web, social, boutique sales, and digital marketing. Act as the ultimate ...

Full Stack Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
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 ...

Technical Solutions Consultant (II) GOG1JP00004171

Hiring Organisation
Randstad Technologies
Location
London, UK
Employment Type
Full-time
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 ...