626 to 650 of 753 REST Jobs in London

Remote React Front-End Engineer with API & UI Focus

Location
Greater London, England, United Kingdom
role is remote, full-time, and requires collaboration with designers and backend teams to translate UI designs into production-ready interfaces. Responsibilities include integrating REST APIs, managing application state, and optimizing front-end performance using Redux or Context API, Git, and pixel-perfect mobile-first #J-18808-Ljbffr ...

Halo Automation Engineer

Location
Greater London, England, United Kingdom
SLAs. Experience with Halo integrations, such as the Halo API, webhooks, Integrator and runbooks. Scripting or integration experience is a plus, for example PowerShell, REST APIs, or Entra ID and Intune integration. A proven track record of taking requirements through to tested, deployed automation. Clear documentation habits and confidence running ...

Implementation Engineer

Hiring Organisation
Hackajob Ltd
Location
City Of Westminster, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
customer-facing technical role, preferably within a Software as a Service environment, delivering implementation and integration solutions Strong understanding of application programming interfaces, including REST and SOAP standards, to support client integrations and troubleshooting Kno click apply for full job details ...

Senior Solutions Architect – Integrations & SaaS

Location
Greater London, England, United Kingdom
will guide both customers and internal teams on feature requests, design scalable solutions, and implement complex data flows. Responsibilities include hands-on API work, REST/Webhook integration, and data migration strategies, collaborating with product and engineering to deliver high-impact outcomes. #J-18808-Ljbffr ...

Partnerships Sales Engineer: Enable Global Integrations

Location
Greater London, England, United Kingdom
integration blueprints, and develop technical assets for scalable enablement. This role requires 5+ years in a sales engineering or solutions architecture capacity, with strong REST/microservices knowledge and the ability to bridge technical and business teams. #J-18808-Ljbffr ...

CX Engineer - Privacy Tech & API Solutions

Location
Greater London, England, United Kingdom
across APIs and integrations. You will guide deployments, scale applications, and partner with engineering to advocate for customer needs. Seekers should show proficiency with REST/SOAP, Postman, AI-enabled workflows, and cloud storage. A remote-friendly role with collaboration across teams is offered. #J-18808-Ljbffr ...

Remote iOS Engineer for Global Music Apps

Location
Greater London, England, United Kingdom
UIKit, shaping scalable architecture and collaborating with Android and other engineers. Requirements include 4+ years of iOS development, Swift proficiency, and experience with MVVM, REST/GraphQL, CI/CD, and AI coding assistants. This is a remote-first, full-time role with global teams and competitive compensation. #J ...

Impactful iOS Engineer – Hybrid (London)

Location
Greater London, England, United Kingdom
implement tests, optimize performance, and collaborate with a globally distributed team. You should have a degree or equivalent experience, solid UIKit/MVVM knowledge, REST APIs, and familiarity with Objective-C legacy code. Join a fast-paced, small-team setting with global impact. #J-18808-Ljbffr ...

Senior iOS Engineer - FinTech (Swift) Personal Investing

Location
Greater London, England, United Kingdom
release, write tests, review code, and participate in continuous improvement of the codebase. You will work with Swift, MVVM/Coordinator architecture, and REST APIs in a fast-paced fintech environment. Strong communication and a proactive mindset are essential for this role. #J-18808-Ljbffr ...

Part-Time Lecturer: Internet & Web Technologies (Level 7)

Location
Camden Town, England, United Kingdom
Wednesday evening sessions (6-9pm) from 13 January to 24 March 2027. Candidates should have knowledge of HTML/CSS, web technologies, JSON, REST, and experience with Node.js/Express; familiarity with PHP, Bootstrap, and React basics is welcomed. Please submit a CV for consideration. #J-18808-Ljbffr ...

End-to-End Mobile App Engineer — Health Tech (Hybrid)

Location
Greater London, England, United Kingdom
Manchester, delivering an installable iOS and Android app that operates in tandem at launch. You will decide native versus web, integrate with the REST API, and drive user engagement with notifications and check-ins. You will work closely with our CTO and product designer in a fast-moving, data-driven ...

Business Analyst

Location
Greater London, England, United Kingdom
business and technical teams Required Skills: Experience as BA in integration/API-driven projects Strong understanding of Agile (Scrum) methodology Good knowledge of REST APIs, data flows, and system integrationconcepts Strong communication, stakeholder management, and analytical skills Experience with tools like Jira, Confluence, Visio #J-18808-Ljbffr ...

Lead Exchange Connectivity Engineer

Location
Greater London, England, United Kingdom
reviews and identify blockers early. Maintain documentation and ongoing exchange relationships. Requirements 2+ years in crypto trading, exchanges or digital asset infrastructure. Understanding of REST/WebSocket APIs, exchange connectivity and testing. Strong project management and stakeholder coordination skills. Comfortable reading API documentation and assessing integrations. Organised, proactive and able ...

iOS Engineer (Contractor)

Location
Greater London, England, United Kingdom
services and designing solutions for open-ended problemsBachelor’s degree in Computer Science or related field, or equivalent experienceKnowledge of UIKit and MVVMFamiliarity with REST APIs and RAML API documentation #J-18808-Ljbffr ...

Android Engineer (Contractor)

Location
Greater London, England, United Kingdom
design solutions for open-ended problemsBachelor’s degree in Computer Science or related field, or equivalent experienceFamiliarity with Jetpack Compose and MVI ArchitectureUnderstanding of REST APIs, OkHttp, RAML API Documentation, Dagger, Kotlin, Coroutines, Flow, RxJava, GitHub Actions, Circle CI, Espresso, JUnit, Test Fakes and WireMock #J-18808-Ljbffr ...

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
Experience in Digital Marketing: Strong foundation in ad tech, attribution models, agency workflows, or performance marketing data. Technical Proficiency: Comfortable working with SaaS platforms, REST APIs, dataset mapping, and data automation tools. Advanced Prompting & AI Skills: Demonstrated track record of using AI tools to build workflows, summarize insights, or code ...

IAM Platform Engineer – Identity, Entitlements & Authorisation

Location
Greater London, England, United Kingdom
governance, including entitlement metadata, ownership and access models Access request, approval workflows, access reviews, certifications and attestations Identity provisioning and integration technologies, including SCIM, REST APIs and SPML Coding, platform configuration and automation to improve identity services and reduce manual operational effort Working collaboratively with engineering, security and application teams ...

Senior Integration Specialist

Location
Greater London, England, United Kingdom
help us onboard new supply chains faster. About You Strong experience in system integration , ideally in B2B SaaS environments Technical knowledge of APIs (REST/GraphQL) , webhooks , and ETL/data pipelines Experience integrating with enterprise systems (SAP, Oracle, MS Dynamics, NetSuite, etc.) Familiarity with data formats (JSON ...

Solutions Engineer

Location
City Of London, England, United Kingdom
years as a Solutions Engineer, Sales Engineer or technical consultant in a SaaS or API-first business, ideally in payments or fintech. Strong on REST APIs, webhooks and integration patterns, and confident with Postman, cURL and API specifications. Has worked with enterprise clients to design and scope technical solutions ...

Technical Account Manager

Location
City Of London, England, United Kingdom
Technical Account Manager, integration engineer, technical support lead or solutions engineer in an API-first business, ideally payments or fintech. Strong on REST APIs, webhooks, authentication and logs; can diagnose an integration problem from the evidence. Has managed technical relationships with enterprise or platform clients. Has worked through incidents with ...

Partnerships Sales Engineer

Location
Greater London, England, United Kingdom
experience as a Sales Engineer, Solutions Architect, or Business Analyst consultant, ideally in commerce or customer engagement Understand modern application architecture deeply, including REST APIs, microservices, and container deployment Show experience navigating technically complex products that touch multiple departments, like Marketing, Tech, Loyalty, Procurement, Pricing, or Merchandising Demonstrate a track ...

Salesforce Core Leader

Location
Greater London, England, United Kingdom
full Salesforce SDLC lifecycles. Demonstrated capability in estimating RFP pursuits, building solution models, and documenting core assumptions. Hands-on proficiency with standard Salesforce APIs (REST, Bulk, Streaming), Salesforce data tools, and Lightning Framework. Solid understanding of software architecture design using object-oriented principles, modularity, design patterns, and complex application logic. ...

Enterprise Solution Engineer (Pre-Sales)

Location
Greater London, England, United Kingdom
decision makers Excellent discovery skills - able to lead customers through focused conversations to uncover pain, value, and our path to sales success Experience using REST APIs for enterprise integration, ideally with ticketing, ERP, or CLM systems Ability to travel as needed and to work flexible hours Self-starter and quickly ...

UK - API Integrations Implementation Specialist

Location
Greater London, England, United Kingdom
are. Experience and skills Proven experience in technical implementation, solutions engineering, integration consulting or a similar client-facing technical role. Strong practical understanding of REST APIs: able to read documentation, build and debug requests in Postman or similar, interpret responses and error codes, and explain payload and field mapping ...