19 of 19 API Integration Jobs in the City of London

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 ...

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 ...

. Job Purpose, Tasks and Responsibilities You will be responsible for: • Owning the end-to-end technical delivery of acquired business onboarding and platform integration, from early discovery through to successful go-live and handover • Leading programme planning, dependency management, cutover planning, and hypercare, coordinating across engineering, data, Salesforce … scalable delivery practices, including onboarding playbooks, runbooks, documentation standards, delivery metrics, risk tracking, and release management processes • Ensuring controlled, predictable go-lives across multiple integration programmes • Acting as a senior technical authority, championing Wilmington s composable, microservice-based platform strategy and making sound architectural decisions on integration approaches ...

database design. Power BI experience is a nice-to-have. Basic SharePoint navigation and usage skills. Experience building Copilot solutions is a plus. API integration experience across Microsoft technologies. Azure experience, including pipelines for deployment. Ability to communicate clearly with team members and stakeholders. Scripting experience with Java ...

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 ...

Power BI , while helping to improve data quality, reporting capability and overall accessibility of business-critical data. There will also be exposure to API integrations, cloud migration work, and the chance to support current and future AI use cases across the business. What they’re looking for 3+ years ...

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 ...

working with research partners Experience with connectivity technologies or network platforms Strong communication skills Able to work independently and collaboratively Experience with cloud platforms, API integration and platform operations Valid UK driving licence Desired Experience in applied research, product development or platform development in a commercial environment Automotive ...

payment initiatives. Build business cases, define scope, timelines, and benefits. Manage project plans, milestones, risks, issues, and documentation. Support technical delivery including system enhancements, API integrations, and card platform onboarding. Ensure outputs meet regulatory, governance, and quality standards. Oversee vendor engagement, integrations, workshops, and readiness activities. Maintain strong delivery ...

solutions using Salesforce Core and Vlocity (Salesforce Industries). Develop custom applications with Apex, Lightning Web Components (LWC), Visualforce, and OmniStudio tools (OmniScripts, DataRaptors, Integration Procedures, FlexCards). Configure and optimize Vlocity CPQ, product catalog, and order management systems. Technical Skills: Strong in Apex, LWC, Visualforce , and Salesforce platform … tools. Proficient with OmniStudio (OmniScripts, FlexCards, DataRaptors, etc.). Skilled in API integration, middleware (e.g., MuleSoft, Boomi), and data modeling. Bonus Points for: Salesforce certifications (Platform Developer I/II, OmniStudio Developer, etc.). Industry-specific experience (telecom, energy, insurance). If you're excited about building next ...

outcomes that genuinely reduce risk. Responsibilities: Support the design and implementation of fraud and identity solutions Work with customer technical teams on web and API integrations Configure and improve fraud detection rules and decision logic, with guidance as you learn Contribute to delivery activities from design through deployment ...

Working closely with senior stakeholders to deliver a commercially impactful solution What we’re looking for: Strong experience with data scraping/extraction Solid API integration experience Comfortable building systems from scratch or improving existing ones Able to work autonomously and lead from a technical perspective Commercial mindset ...

term offer: Polish/Dutch speaking e-commerce Customer Solutions Manager based in the UK. Candidate profile Native Polish/Dutch speaker Familiar with API integrations Experience with Shopify would be a plus Experience within the e-commerce industry is preferred Eligible to work in the UK This ...

this is worth reading. You will be Lead the technical delivery of a greenfield rebuild of a core business system, covering policy, claims and integration layers. Set and enforce technical standards, own code quality, and conduct structured code reviews across the delivery team. Work directly with … business requirements into sound technical design and produce low-level design documentation. Make architecture decisions, present options clearly to non-technical stakeholders, and govern integration standards across the programme. Support the Infrastructure and Data Engineers with cross-cutting technical decisions throughout the build. Post go-live: take on broader ...

requirements into clear user stories, acceptance criteria, and functional specifications Proactively manage stakeholder expectations, clearly communicating progress, risks, and dependencies Technical Analysis & Delivery Support API integrations, including defining, documenting, and validating API contracts Write, optimise, and review complex SQL queries for data extraction, validation, and analysis Assist with … API testing and validation using tools such as Postman Produce high‐quality documentation including BRDs, FSDs, process flows, and use‐case definitions Agile Delivery & Tools Own and manage requirements within Jira, ensuring full end‐to‐end traceability Participate in backlog refinement, sprint planning, and defect triage activities Collaborate closely ...

feedback loops. Internal Tooling: Design and build bespoke automation, operational dashboards, and scripts that eliminate repetitive manual tasks across the business. Cross-Boundary Integration: Solve complex problems that span multiple systems, including data onboarding pipelines and API integrations. Product Delivery: Contribute directly to the core product, shipping high ...

live production environment. Key Responsibilities As part of this role, you will: Provide production support for Palantir Foundry components including pipelines, Ontology, AIP Logics, API integrations, and applications Monitor end‐to‐end workflows, identify failures, and resolve issues within agreed service levels Troubleshoot data ingestion, extraction, transformation, and orchestration … architectures, ETL processes, and production data workflows Proven experience working in production support or operational data engineering environments Familiarity with Generative AI–enabled workflows , API integrations, and orchestration patterns Strong problem‐solving skills with the ability to communicate clearly with both technical and non‐technical stakeholders Preferred Qualifications Additional ...

Event-driven architecture CI/CD pipelines What You'll Work With Python backend services LLM orchestration layers Vector databases (Pinecone, pgvector or similar) API integrations (CRMs, property systems) TypeScript React Next.js Nice to Haves Voice and telephony systems (Twilio, SIP, WebRTC) STT/TTS pipelines (Deepgram, ElevenLabs … similar) Messaging integrations (WhatsApp Business API) Observability tooling (Datadog, Sentry, LangSmith) Previous founding engineer experience Being a founding engineer or an ex-founder from any company backed by Antler or Entrepreneurs First is preferred but not required. Why Join/Projects The interesting bit here is the scope. ...

. Advise on the use of AI/LLM and wider digital tools to accelerate content creation, personalisation, optimisation, and operational efficiency. Drive the integration of AI tools with and within HubSpot, supporting evolving ways of working and improving productivity. Establish change control processes, platform governance guardrails, and documentation … understanding of B2B funnel architecture and pipeline attribution. Experience implementing data quality frameworks. Skilled in data management, segmentation, and reporting/analytics. Familiarity with API integrations, middleware tools, and data flow architecture. Strong knowledge of marketing automation, lead management, and workflow design. Proven track record advising Marketing teams ...