24 of 24 API Integration Jobs in the City of London

Systems Integration Engineer | E-commerce | Shopify | Fully Remote | £280 Outside IR35

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
Systems Integration Engineer | E-commerce | Shopify | Fully Remote | £280 Outside IR35 We’re partnered with a rapidly scaling global e-commerce organisation transforming how cross-border digital commerce operates. With a complex, multi-tenant platform spanning multiple regions, currencies, and languages, they’re investing heavily in their integration capabilities to support continued growth. As part of this journey, they’re looking for a Systems Integration Engineer to take ownership of client and vendor onboarding, ensuring seamless connectivity across a wide ecosystem of platforms and services 🌍 💰 Upto £280/Day (Outside IR35) 📍 Fully Remote 📅 6 Month Contract ...

Integration Program Manager

Hiring Organisation
PureSpectrum
Location
City of London, London, United Kingdom
office requirement of 3–4 days per week at our Farringdon HQ. The Opportunity: We are seeking a client-focused and consultative Integration Program Manager to lead how our customers and partners connect PureSpectrum into their broader MarTech and insights ecosystems. You will own the customer integration experience … work closely with engineering teams and enterprise clients on data and workflow challenges. Your work will directly accelerate customer activation, platform adoption, and integration-driven revenue. Key Responsibilities: Serve as the primary technical advisor for enterprise clients and partners during integration planning and delivery. Lead technical discovery, solution ...

Data Engineer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Permanent
modern cloud environment. Strong expertise in Azure data services (ADLS, Azure Data Factory, Microsoft Fabric). Proficient in SQL and data modelling. Experience with API integration and SFTP data feeds. Excellent communication skills for engaging non-technical stakeholders. Desirable Background in financial services or fintech. Familiarity with Power ...

Senior Software Engineer

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
across treasury, accounting, trading and middle‐office operations. Building tools to improve collateral & margin management, capital usage reporting, and trade reconciliation. Designing and implementing API integrations across internal and third‐party systems. Developing in‐house solutions to replace outsourced or legacy technology. Creating data pipelines that improve reporting ...

Senior / Lead Data Engineer (AI-Focused)

Hiring Organisation
PaymentGenes
Location
City of London, London, United Kingdom
experience (modelling, testing, macros, documentation) Workflow orchestration (Dagster preferred) Cloud data warehouses (Snowflake, BigQuery, Redshift, etc.) Data modelling for analytics and AI use cases API integrations and ingestion design patterns AI/ML Infrastructure Feature engineering architecture ML pipeline and deployment workflows Experience supporting production ML systems Familiarity with ...

Director of Data

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Python, SQL, data modelling, and modern data warehouse design. • Hands‐on capability with generative AI, automation frameworks, and agentic AI systems. • Experience in API integration, data ingestion, and enrichment approaches. • A track record of driving data monetisation strategies with measurable financial impact. • Strong communication skills with the ability ...

Senior Data Engineer

Hiring Organisation
Cobalt Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
large datasets from internal and external sources. Architect and optimise ETL/ELT workflows using AWS, SQL, Python, and modern cloud-based technologies. Manage API integrations and automate data ingestion, transformation, and enrichment processes. Improve data platform performance, reliability, and scalability across the organisation. Develop analytical tools and dashboards ...

Technical Lead / Solution Engineer

Hiring Organisation
I3 Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Strong Salesforce (Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background beneficial ...

Solution Engineer

Hiring Organisation
i3
Location
City of London, London, United Kingdom
Strong Salesforce (Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background beneficial ...

Technical Lead

Hiring Organisation
Bernadette
Location
City of London, London, United Kingdom
frontend and backend development challenges. Experience with CI/CD workflows and Azure DevOps. Would be Beneficial: Experience with Azure AI Services and OpenAI API integration. Knowledge of low-code/no-code platforms like Webflow for rapid prototyping. Previous experience in a client-facing role, presenting technical roadmaps. ...

Creative Engineer

Hiring Organisation
Tata Consultancy Services
Location
City of London, London, United Kingdom
Good to have: Exposure to AR/VR development (Unity, Unreal Engine). Knowledge of generative art, motion design, or data visualisation. Experience with API integration and cloud platforms. Rewards & Benefits TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature ...

Senior Front End Developer

Hiring Organisation
Evantis Technology
Location
City of London, London, United Kingdom
user experience, and testing new product ideas. This role is heavily frontend-focused, working closely with product and design teams while also contributing to API integrations where needed. They’re looking for someone who: Has strong React, JavaScript and TypeScript experience Has built modern frontend applications or product platforms ...

Engineering Team Lead

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
beneficial: JavaScript frameworks such as React or Next.js Backend development with Node.js, C#, or similar Cloud platforms (AWS or equivalent) Building and maintaining API integrations and distributed systems Experience using AI-assisted development tools or modern developer productivity workflows would be a plus. Get in touch ...

Operations Manager-Digital & Business Process excellence

Hiring Organisation
DiSRUPT Agency
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
communication and influencing skills; high accuracy and accountability. Desirable: experience in insurance/financial services, portal/app-based journeys and UX/UI, API integrations, and scaling or early-stage businesses. Mindset Commercial, analytical, technically minded. Hands-on, practical, and strategic. Curious, improvement-focused, calm under pressure, collaborative ...

Mobile Engineer KMP - Fitness

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
application services, building shared KMP modules and platform-specific implementations across Android and iOS. You'll work on business logic, networking, domain layers and API integrations, collaborating closely with backend engineers, product, design and QA to deliver end-to-end features. Location/WFH: You'll join a friendly … About you: You have strong mobile application development experience You have experience with Kotlin Multiplatform (KMP) for Android and iOS native development You have API integration experience You've worked on complex applications with large user bases You have end-to-end mobile feature development experience ...

Senior Full Stack Engineer

Hiring Organisation
Trust In SODA
Location
City of London, London, United Kingdom
robust, scalable backend. What You Bring to the Table React Node/TypeScript/JavaScript Cloud: AWS, Azure, or GCP. APIs: API design and integration (REST & GraphQL). AI Tooling: Confident using AI-boosted environments to ensure quality (Claude or similar). The Cherry ...

Umbraco Developer

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
skills/Experience Solid understanding and experience working with Umbraco Strong understanding of .NET and REACT HEADLESS web architecture Solid experience managing digital platforms API integration's CMS upgrades Comfortable liaising with Senior Stakeholders If this role sounds of interest and you would like to know more ...

VP Customer Success UK

Hiring Organisation
Windward
Location
City of London, London, United Kingdom
with an understanding of the differing regulatory and business landscapes. Implementation Depth: Expertise in managing long-cycle, complex technical implementations involving AI, Data and API integrations. ...

Founder's Technical Associate

Hiring Organisation
The Players Fund
Location
City of London, London, United Kingdom
Systems architecture: identify repetitive work, build automations, eliminate friction Community Value Creation: creating value for our athletes, founders, and investors Technical builds: Supabase, N8N, API integrations, light code where needed Cross-functional work across fund ops, rightsholder programmes, and portfolio support Who this is for You've built something ...

Power Platform Engineer

Hiring Organisation
Norton Blake
Location
City Of London, England, United Kingdom
production deployment. Experience working in Agile/Scrum delivery teams. Has built and deployed Canvas Apps and used Dataflows within Power Platform for data integration and transformation. Comfortable setting up connectors and endpoints, including email connectors and REST API integrations. Hands-on with Power Platform Pipelines and/ ...

Solution Architect Director

Hiring Organisation
PingPong Payments
Location
City Of London, England, United Kingdom
WORKING WITH The position reports to the Global CEO (International Business). The incumbent will work closely with clients, product managers, integration managers and development teams to translate business requirements into robust technical solutions. WHAT YOU’LL BE DOING Solution Design Work alongside the Integration manager … during the pre, during and post sales process, helping clients understand the value and capabilities of our solutions. Stakeholder Collaboration Collaborate with internal teams (integration, product, engineering, compliance) and external stakeholders (corporate clients, financial institution clients) to define and refine payment architectures. Integration Management Work alongside the Integration ...

Full Stack Engineer

Hiring Organisation
ITC Infotech
Location
City of London, London, United Kingdom
systems, guest experience, integrations, etc.). Lead frontend development using React, Next.js, and Vercel . Build backend services using Java, Spring Boot, Microservices, and integration frameworks . Define system architecture, APIs, and integration strategies with hospitality systems (PMS, booking engines, third-party services) . Work closely with customers … reviews, and engineering best practices. Required Skills: Strong experience in React, Next.js, modern frontend architecture . Backend expertise in Java, Spring Boot, Microservices, and API integrations . Experience designing scalable, cloud-based architectures . Exposure to hospitality domain systems (PMS, reservations, guest experience platforms) is a plus. Strong customer ...

Data Analyst

Hiring Organisation
Stanton House
Location
City of London, London, United Kingdom
Data & Integration Analyst £55,000- £65,000 Hybrid role: office based in London Stanton House is partnering with a growing organisation in the real estate space to hire a Data & Integration Analyst who will play a key role in developing their data platform, improving system integrations, and enabling … outputs are accurate, consistent, and reliable Design and maintain data integrations between core systems Build and manage ETL/ELT pipelines Use APIs and integration tools to automate data flows Monitor and troubleshoot pipelines to ensure accuracy and uptime Implement integrations across key platforms (e.g., CRM, finance, property/ ...

Account Executive

Hiring Organisation
Woosmap | Location Intelligence Platform
Location
City of London, London, United Kingdom
Sell Location Intelligence APIs (Search, Geocoding, Distance, Geofencing) Store Locator & Local Inventory solutions Geolocation & IP-based personalization tools Usage-based SaaS subscriptions Enterprise API integrations Deal sizes range from mid-market recurring contracts to enterprise multi-country deployments. What You’ll Do Own the full sales cycle: prospecting → discovery … demo → technical validation → negotiation → close → expansion Drive outbound activity and build pipeline from scratch Sell use cases (conversion lift, operational efficiency, personalization), not just API endpoints Work closely with product & tech stakeholders on the buyer side Navigate technical conversations with developers and product teams Upsell and expand accounts ...