12 of 12 Permanent REST Jobs in Westminster

systems, scheme integrations, authorisation flows, transaction life cycles, and settlement processes; knowledge of cryptographic key migrations (e.g., EMV, PEK) is advantageous. Experience architecting microservices, REST APIs, event-driven architectures, and secure cloud services (Azure). Exceptional communication and collaboration skills, capable of working with senior stakeholders, external partners, and technical ...

makes an impact The skills and experience my client are looking for: 5+ years of experience in software engineering, with expertise in Node.js and REST API design. Strong knowledge of AWS and serverless architecture. Strong experience with TypeScript, ensuring clean, efficient, and maintainable code. Experience with CI/CD pipelines ...

back-end services using Node.js or Java (Spring) Build responsive front-end applications using React, Angular, TypeScript, or modern JavaScript frameworks Design and integrate REST APIs and microservices Collaborate with product, design, and architecture teams to deliver technical solutions Contribute to CI/CD, automated testing, and cloud deployments Troubleshoot … back-end experience with Node.js or Java Front-end experience with modern JavaScript frameworks (React or Angular preferred) Experience working with SQL databases and REST APIs Exposure to AWS or Azure (GCP beneficial) Experience with Agile delivery and DevOps practices (CI/CD, testing, Git) Strong communication and problem-solving ...

TypeScript Build response UI components from design specifications Implement dynamic rendering patterns and complex workflows Manage application state using RxJS and NgRx Integrate with REST API’s and secure authentication flows (OAuth/PKCE) Contribute to CI/CD workflows and maintain clean, modular code. Requirements Extensive experience with Angular ...

experience with AI-assisted development tools Strong knowledge of cloud AI and ML platforms and associated architecture patterns Experience designing and managing APIs including REST and GraphQL Strong understanding of microservices and serverless architectures Practical experience with DevOps and MLOps practices including CI/CD pipelines Knowledge of security frameworks ...

Salesforce projects, ideally using Agile methods Hands-on experience with Apex, xkybehq SOQL, Lightning Web Components, and Salesforce configuration tools Experience building integrations using REST or SOAP APIs Good understanding of Salesforce security, sharing, and approval processes Strong teamwork and communication skills If this role sounds of interest, then please ...

quality: performance profiling, code-splitting, hydration, SSR/ISR (Next.js). Responsibilities Deliver modular, well-tested SPA components/pages. Integrate with backend APIs (REST/GraphQL), auth flows (OAuth2/OIDC). Collaborate with designers and back-end/AI teams on end-to-end features. Ensure accessibility, performance ...

suitable for open-source or public distribution Package and publish the library to PyPI Required Skills & Experience Strong Python development experience Experience working with REST APIs Familiarity with data manipulation xkybehq libraries (e.g. pandas, numpy) Experience writing clean, well-documented, testable code Understanding of Python packaging and versioning Desirable Experience ...

features end to end • Develop clean, reusable and maintainable code across frontend and backend • Contribute to architecture and technical design decisions • Build and consume REST APIs • Develop and optimise SQL queries for analytics and reporting • Work with large healthcare datasets, ensuring performance and reliability • Deploy and maintain services within Microsoft … Skills and Experience Required • Minimum 5 years commercial software development experience • Strong experience with React and modern JavaScript or TypeScript • Experience building and integrating REST APIs • Strong SQL Server or Azure SQL experience • Experience working with Microsoft Azure including App Services, Functions and Storage • Experience designing secure and scalable ...

Lead migration of SharePoint 2016 on-premise solutions to SE and Online Build SPFx web parts, extensions, and integrations using TypeScript, JavaScript, React, and REST APIs Manage updates, patches, and service packs to ensure stability, security, and compliance Administer service and web applications, site collections, permissions, authentication, and governance Provide … SharePoint 2016 on-premise Strong expertise in SPFx development and modern front-end technologies (TypeScript, JavaScript, React, HTML5, CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting Experience with Business Connectivity ...

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 … Dart and Flutter architecture patterns Experience delivering features in live, consumer-facing mobile apps Strong understanding of mobile app state management Experience xkybehq 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/ ...

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 ...