426 to 450 of 750 REST Jobs in London

Software Engineer - Seismic (Contract)

Location
City Of London, England, United Kingdom
services, CRM data syncing, and event-driven architecture to keep sales and enablement content aligned. API & Integration Proficiency: Hands-on design and consumption of REST APIs, handling webhooks, and managing rate limits across third-party platforms. CRM Ecosystem Knowledge: Experience with Salesforce architecture, including data synchronization, user mapping, and embedding … preferred. Salesforce Certified Administrator is expected, and integration or architecture-track certifications (e.g. Integration Architect, Application Architect, MuleSoft) are desirable. Proven integration experience using REST/SOAP APIs or middleware such as MuleSoft to connect Salesforce with other systems. Strong experience of DevOps and CI/CD tooling (e.g. ...

Solution Engineer (Integration Engineer)

Location
Greater London, England, United Kingdom
end. Proficiency in Microsoft SQL Server, including writing, interpreting, and troubleshooting complex queries, joins, and data transformations across relational structures. Solid understanding of REST/SOAP APIs, XML, and JSON, as well as system integration patterns and data mapping techniques. Familiarity with Boomi or a comparable integration platform, along with ...

Senior Frontend Architect — Real-Time React & TypeScript

Location
City Of London, England, United Kingdom
development lifecycle, from design through testing and deployment, using HTML, CSS, JavaScript, React and TypeScript. Strong experience with real-time communication (WebSockets, SSE) and REST APIs, plus state management (Redux) and SPA architectures, is essential. #J-18808-Ljbffr ...

Mobile iOS Engineer

Location
Greater London, England, United Kingdom
redefine how users interact with AI. Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps. Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data flow. Capable of owning complex features end-to-end, from architecture to App Store deployment, with ...

Identity & Access Management (IAM/IDAM) Engineer

Location
Greater London, England, United Kingdom
included) Worldwide Travel Insurance which is non-contributory (spouse and dependants included) Benefits Platform offering various retail and leisure discounts Experience integrating applications using REST APIs, web services and identity data sourcesExperience with enterprise directory services including Active Directory, LDAP and Microsoft Entra IDAbility to create and maintain technical documentation ...

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
3+ years in customer-facing technical delivery — forward deployed engineering, solutions architecture, implementation consulting, or technical professional services. Hands-on technical skills: Comfortable with REST APIs, JSON, webhooks, and data mapping; able to script in Python or JavaScript and debug a failure across two systems you didn't build. Production ...

Senior Software Engineer (iOS)

Location
Greater London, England, United Kingdom
handling latency, fallbacks, guardrails) and/or conversational UXSwiftUI for building production UIs; familiarity with UIKit and interoperability is a plusSolid understanding of JSON, REST, WebSockets, streaming APIs and robust networking layers (error handling, retries, offline support)Strong grasp of iOS architecture (e.g., MVVM, Clean Architecture, modularization) suitable ...

Applied AI ML Lead - DocAI

Location
Greater London, England, United Kingdom
implementing pipelines using DAGs (e.g. Kubeflow, DVC, Ray) Experience of big data technologies (e.g. Spark, Hadoop) Have constructed batch and streaming microservices exposed as REST/gRPC endpoints Familiarity with GraphQL #CIBAppliedAI #J-18808-Ljbffr ...

Senior iOS Engineer - Account

Location
London, United Kingdom
MVVM, or VIPER. (We use VIPER and MVVM but are open to exploring new approaches). Desire to write testable code Understanding of REST API design A strong product mindset and passion for user experience you prioritise work with users in mind and make data-driven decisions to address user ...

Senior iOS Engineer - Account

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
MVVM, or VIPER. (We use VIPER and MVVM but are open to exploring new approaches). Desire to write testable code Understanding of REST API design A strong product mindset and passion for user experienceyou prioritise work with users in mind and make data-driven decisions to address user issues. ...

Technical Integrations Consultant

Location
Greater London, England, United Kingdom
Ticketing, CLM, and TPRM systems. Experience using iPaaS tools to configure integrations required. Experience with Python/Javascript scripting Experience working with XML/REST based endpoints and standard authentication protocols. Past ERP implementation, integration, configuration or administration experience is beneficial but not required. Ability to translate highly technical information ...

Implementation Engineer

Location
Greater London, England, United Kingdom
customer-facing technical role, such as implementation, integration, solutions, or technical account management, ideally at an API platform. Hands‐on experience with REST APIs, OAuth, webhooks, JSON, and web and mobile SDKs. Comfort working in Postman or curl and reading API documentation critically. Experience with SQL or other data querying ...

Forward Deployed Engagement Strategist

Location
Greater London, England, United Kingdom
built AI or agent-based automation yourself, including designing prompts, structuring outputs and fixing failures, and you know common integration patterns (such as REST, SOAP and event-based) and their risks. You can write clear requirements and user stories, and you're comfortable with senior executives, including sharing bad news ...

Security Engineer

Location
Greater London, England, United Kingdom
quota enforcement. Policy engines and workload identity (e.g., OPA/Rego, Kyverno, Cedar, OpenFGA, SPIFFE/SPIRE, Envoy/service mesh). API design (REST/gRPC) for internal platform consumers. Network security controls: WAFs, segmentation, TLS termination and egress filtering. Inclusion, Work-Life Balance and Benefits at Man Group ...

Dynamics 365 CE Developer & Power Platform Specialist

Location
City of Westminster, England, United Kingdom
support enterprise CRM solutions for global customers. You will collaborate with business stakeholders, functional consultants and solution architects, delivering Plugins, Power Apps, Power Automate, REST API integrations and robust CI/CD pipelines in Agile environments. #J-18808-Ljbffr ...

.NET Microsoft Consultant - Flexible Working & Training

Location
Greater London, England, United Kingdom
stack. You will engage with clients, translate requirements into technical solutions, and drive delivery in agile teams. You will work with C#, .NET Core, REST APIs, and tooling including Power Platform, VBA, and Word macros, delivering robust business solutions. #J-18808-Ljbffr ...

Contract Salesforce Integration Engineer (12m)

Location
Greater London, England, United Kingdom
with the Tech Lead, Architects and Product Owners to implement secure, scalable integrations and data exchange. Required: hands-on Salesforce development (Apex, LWC, OmniStudio), REST APIs, Platform Events, and experience with KYC providers. Familiarity with Azure DevOps and CI/CD is desirable. #J-18808-Ljbffr ...

Senior .NET Engineer — Enterprise SaaS (Hybrid)

Location
Greater London, England, United Kingdom
software across the full stack in a collaborative environment. You will design, develop, and integrate features with C#, .NET, HTML/JS, Razor, and REST APIs, while supporting CI/CD practices and security standards. A hybrid work pattern is discussed during recruitment. #J-18808-Ljbffr ...

Hybrid Software Engineer - Integrations (Payroll & HR)

Location
Greater London, England, United Kingdom
integrations platform. You’ll work in a hybrid setup, three days in the London office, with remote work options. Required: 2+ years Python, REST/JSON/XML, SQL, and AWS experience; collaborative, organized and client‐facing capable. #J-18808-Ljbffr ...

Java Full-Stack Developer - Broker-Dealer Capital Markets

Location
Greater London, England, United Kingdom
modern frontend tech in a hybrid work model across Capgemini offices, client sites, and home. You will collaborate with cross-functional teams, implement REST APIs and microservices, optimize performance, and contribute to CI/CD practices while maintaining high #J-18808-Ljbffr ...

Senior Python Backend Engineer - Scalable APIs & AI Data

Location
Greater London, England, United Kingdom
seeking Senior Python Developers to join our back-end team in a fast-paced scale-up environment. You will write Python code, build REST APIs with Django or Flask to support the React front end, and collaborate with AI Engineers to analyze large datasets. We encourage ownership, offer professional development ...

Hands-on Tech Lead — Residential Ops Platform (React/TS)

Location
City Of London, England, United Kingdom
grows. You will work across front-end and back-end, ensuring secure, scalable multi-tenant applications using React, TypeScript, .NET Core, Node.js and REST/GraphQL, while guiding architecture and delivery. #J-18808-Ljbffr ...

Backend Engineer for Scalable EV Charging Platform

Location
Greater London, England, United Kingdom
public EV charging platform, focusing on scalable, observable systems. You should have 2+ years Python experience, strong Git/CI/CD, API development (REST/GraphQL), and knowledge of databases. We value collaborative problem-solving and the ability to translate product needs into solid technical solutions. #J-18808-Ljbffr ...

O-RAN rApp/xApp Engineer (Mid-Level) - On-Site

Location
Greater London, England, United Kingdom
integrating with SMO services and data layers. The role requires 3-5 years in software development, Python/Go, Docker/Kubernetes, REST APIs, and experience with 5G NR RAN, E2/O1/R1 interfaces, and CI/CD pipelines; on-site Monday to Friday. #J-18808-Ljbffr ...