151 to 165 of 165 REST Jobs in London

onsite Up to £65,000 (depending on experience) We are seeking a Data Analyst with a strong focus on system integrations , specialising in APIs, REST, JSON, and Azure technologies . This is a hands-on role within a professional services environment, working closely with Architecture and Engineering teams to enable … passionate about data flows, and experienced in modern integration practices, this is an excellent next step. What You’ll Be Doing Designing and documenting REST APIs (endpoints, inputs, outputs, data formats). Working with developers, architects and vendors to make integrations work smoothly. Creating data dictionaries, business glossaries and data ...

Desktop, Knowledge, and Digital Messaging. Define non-functional requirements (scale, resiliency) and node strategy: Queue Processors vs. Job Schedulers, background processing, caching. Integration architecture: REST/JSON, SOAP (if needed), OAuth2/SAML, eventing (Kafka/JMS), idempotency, pagination, circuit breaker and retry patterns. Data design: enterprise data model, data … Alerts analysis, log correlation; performance test strategy and tuning. Security & compliance: GDPR-aligned retention/erasure, RBAC/ABAC, secrets management, auditability, encryption at rest and in transit. CoE leadership: guardrails & code review checklists, reusable components, reference architectures, developer onboarding and enablement. AI initiatives: seed NLP/Email Bot, Digital ...

Implement event-driven workflows integrated with S/4HANA processes. 3.Cross-SAP Integration Integrate BPA solutions with SAP S/4HANA using: OData services REST/SOAP APIs RFC/BAPI interfaces 4.Low-Code/Pro-Code Development Develop UI extensions, mobile apps, or form-based applications using SAP Build … Apps, including: Data modelling UI design Integrations with SAP BTP services 4.SAP Integration Technologies Practical hands-on experience with: OData service creation/consumption REST and SOAP-based service integration RFC/BAPI integration patterns API Hub/Event Mesh exposure is a plus ...

designing and implementing secure, high-performance integration solutions using IBM DataPower Gateway to expose mainframe services (CICS, IMS, DB2, MQ) as modern APIs (REST/JSON, SOAP). Enable legacy-to-digital transformation by bridging z/OS applications with API platforms and cloud. Your responsibilities: Develop and configure DataPower … mTLS, and AAA policies for secure API access. Integrate with CICS, IBM MQ, and DB2 for backend connectivity. Connect to database like PostgreSQL via REST/HTTP Services Via JDBC through Integration Layer, MQ or Kafka Bridge. Perform XSLT/GatewayScript transformations and schema validations. Automate deployments via SOMA/ ...

architectural decisions within a modular Flutter codebase (Bloc/Cubits) Implement clean, scalable Dart code aligned with best practices Integrate backend services via REST (previous gRPC exposure beneficial) Implement and enhance mapping functionality (Mapbox mobile, Google Maps web) Contribute to CI/CD pipeline improvements (Azure/GitHub) Support … with Dart and Flutter architecture patterns Experience delivering features in live, consumer-facing mobile apps Strong understanding of mobile app state management Experience integrating REST APIs and handling asynchronous data flows Knowledge of mobile performance optimisation and debugging Experience working in a cloud-connected mobile architecture Technical Environment Flutter/ ...

resilience and scalability. Key Responsibilities Design and configure IBM DataPower services (MPGW, XML Firewall, WS-Proxy) Expose CICS, IMS, DB2 and MQ services via REST/JSON and SOAP APIs Implement API security including OAuth2, JWT, TLS/mTLS and AAA policies Deliver XSLT and GatewayScript transformations and schema validation … Integrate with backend platforms including MQ, Kafka and relational databases Support CI/CD automation using SOMA/REST APIs, Jenkins or Ansible Ensure high availability, performance tuning and regulatory compliance (e.g. PCI, GDPR) Required Skills Strong hands-on experience with IBM DataPower Gateway Proven mainframe integration experience (CICS ...

Model Driven Apps) and Power BI Design and develop solutions using Power Apps, Power Automate and Power BI Integrate custom applications with SQL, REST API's and JavaScript Implement best practice development standards Experience: Experience in developing, deploying and supporting custom applications and solutions Experience utilising Microsoft Power Platform tools … such as Power Apps (Canvas Apps and/or Model Driven Apps), Power Automate and Power BI. Professional experience with SQL, REST and JavaScript MS Power Platform certifications such as PL-400 would be advantageous but not essential Excellent communication and stakeholder management skills Power App/Power Platform/ ...

Role: Backend Engineer (ATA) Location: United Kingdom (Remote work) Skills: Java, AWS, Spring Boot, REST APIs,MySQL Job Summary: We are looking for a Backend Engineer to join the Core Portal team and build scalable backend services for an enterprise discovery application. You will design and develop robust APIs, integrate … ensure high performance, reliability, and security of backend systems. Key Responsibilities: Develop and maintain backend services using Java, Spring Boot, AWS Build and optimize REST and GraphQL APIs Ensure code quality through testing, refactoring, and best practices Own services end-to-end, including deployment, monitoring, and production support Handle production ...

Sports Trading What you’ll tackle Translate data-flow headaches into buildable tech projects, managing data pipelines Python engineering to stand-up analytics services, REST APIs and lightweight front-ends. Data ingestion (SQL, files, feeds), business logic, web/UI, CI pipelines and Linux deployment. White-board with quants … need 1 + years building production-grade Python systems for data-heavy businesses; comfortable with tests, version control and optimisation. Confident SQL , exposure to REST and messaging (Rabbit, Kafka, etc.), and enough Linux to troubleshoot on the command line. Solid grounding in financial products & risk metrics —equities, bonds and derivatives ...

ensuring they feel intuitive while meeting the demands of a regulated environment. On the backend, you will develop and extend FastAPI services, design clean REST APIs, and work with PostgreSQL and SQLAlchemy to manage structured data. You will also contribute to implementing OAuth2 authentication across the stack to enable secure … experience building user-facing applications with React and TypeScript Solid backend experience with Python and hands-on work with FastAPI Experience designing and building REST APIs Experience working from Figma designs and collaborating closely with product and design teams Experience implementing authentication flows such as OAuth2 Comfortable working ...

markets. Key responsibilities include: Developing ultra-low latency Java components Managing FIX protocol sessions and order flow Integrating and optimising crypto exchange APIs using REST and WebSocket Handling real-time JSON market data feeds Improving performance and reducing latency across exchange connections Supporting and enhancing live trading systems Each exchange … protocol (session and application layers) Direct experience connecting to trading venues or exchanges Hands-on experience integrating with crypto exchanges Strong understanding of REST and WebSocket APIs in real-time environments Experience working in Linux-based production systems Exposure to high-performance libraries such as Aeron, Agrona, SBE or Artio ...

Android Engineer (Kotlin | Java | REST APIs) – Actively Hiring 📍 Location: London, United Kingdom (Onsite Role) 💼 Job Type: Full-Time 🕒 Experience Required: 2–5 Years 💰 Compensation: €30,000 – €35,000 per year 🎓 Education: Bachelor’s Degree in Computer Science/IT/Engineering Job Overview We are seeking a skilled Android Engineer … Ensure high-quality, scalable, and maintainable code Required Skills Strong proficiency in Kotlin and/or Java , experience with Android SDK and knowledge of REST APIs Familiarity with Git version control and understanding of mobile UI/UX and Material Design principles Apply now or share your resume at Anuradha.Singh ...

Once a month max. £650 per day (Inside IR35) Key Essential Skills Oracle integration cloud experience Variety of integration that they have done using rest API. AMS Confidential Set of deliverables given, they can work with this and crack on. Oracle VBCS The Role requires in-depth Knowledge OCI (Oracle … Good Oracle Integration Cloud (OIC) Experience Good Oracle Fusion Cloud Experience Hands-on with development & unit testing of integration components & web services (SOAP/REST/JSON Payload) using OIC, Postman, Curl Oracle VBCS to develop custom elements of the service Strong experience of system interfaces (predominantly on a PaaS ...

performance. Lead the end-to-end design, development, and deployment of ServiceNow GRC, SecOps and RBVM solutions. Manage integration with third-party platforms using REST/SOAP APIs and ensure data accuracy and synchronization. Support pre-sales efforts, including effort estimations, technical solutioning, and proposal preparation. Integration of ServiceNow with … party tools/applications/platforms Hands-on experience in Integrations with Web Services REST and SOAP, Scripted Web Services. Good Understanding of Page Design and Widget Configurations related to Service Portal Good Understanding of Version and Patch upgrades. Hands on experience in Knowledge Base and Knowledge Article Configurations. Knows ...

influence architectural decisions at a critical stage of growth. The Senior Backend Engineer (Full Stack, backend-leaning) will take ownership of complex backend REST API Services and deliver scalable systems using TypeScript and Node.js . You will closely with Product, Engineering and Operations, working alongside the Lead Engineer to refine … delivery standards and elevate system reliability. The Senior Backend Engineer (Full Stack, backend-leaning) will... • Design and maintain scalable Node.js/TypeScript services and REST APIs • Own backend initiatives end-to-end, from architecture to rollout • Strengthen testing strategy across unit and integration layers • Improve data and integration workflows with ...