1 to 25 of 45 REST Jobs in Central London

trading environments Experience with WebSockets or SignalR for real-time communication Backend development experience with .NET (C#) and/or Python Strong understanding of REST APIs and microservices architecture Experience with message brokers (e.g. RabbitMQ or Kafka) Knowledge of caching technologies (e.g. Redis) Experience with Azure DevOps/CI/ ...

Angular, or Vue) Strong backend development experience (e.g., Node.js, Java, Python, or Go) Proven experience designing and building scalable, distributed systems Strong experience with REST APIs, microservices architecture, and event-driven systems Cloud experience with Azure with knowledge of serverless and containerised architectures Solid understanding of DevOps practices, CI/ ...

architectures, and creating a reusable component library Experience with Telemetry and observability of front-end applications Back-end: Expertise in C# .NET Core , C#, REST APIs, Web APIs, and microservices-based development. Experience in transforming monolithic applications into composable microservices, or modular monoliths is a plus. Python (pyspark): Some hands ...

Design, implement, test, deploy, and maintain OTC trading systems (primarily in C#) supporting Spot, Options, and Structured Products workflows. Build and enhance API services (REST, WebSocket, FIX 4.4) used by clients and internal trading systems. Work closely with traders, quants, and other engineers to deliver performant, secure, and scalable solutions. ...

pipelines and cloud infrastructure Mentor developers and promote engineering best practices Tech Stack: Frontend: TypeScript, JavaScript, (React/Angular), HTML5, CSS3 Backend: Python REST APIs Data: MySQL, PostgreSQL, Redis Cloud & DevOps: AWS, Docker, CI/CD, Kubernetes (nice to have) Architecture: API design, OAuth/JWT authentication, queues, webhooks, payment ...

designed for security, testing, maintainability and observability. Devops knowledge is a huge advantage. Requirements What you’ll need Hands on experience in building enterprise REST API (with open API standards) in Java (min Java 11) and experience with Java frameworks like Hibernate, spring boot, spring core and spring security. Hands ...

platforms and services. Maintain data quality, security, and compliance across workflows. What you'll bring: Strong programming skills in Java. Hands-on experience developing REST APIs or microservices with Spring Boot. Experience containerising applications with Docker. Understanding of relational and NoSQL databases. Familiarity with modern data architectures (ETL/ ...

Core Stack: React, Next.js, and TypeScript. Architecture: Micro-frontends (Capla/Vue) and Module Federation. Data: Integrating with Java/Spring Boot services via REST and GraphQL. Cloud & DevOps: Kubernetes (BKS), AWS, and advanced observability (Metrics, Dashboards, Alerts). What You Will Do End-to-End Ownership: Own the design ...

DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience with AI driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure ...

enterprise-scale or modular applications. Deep knowledge of component-driven development, UI state management, layout systems, and SPA navigation. Strong experience working with REST APIs and .NET backends. Excellent command of C#, .NET Core 7, and asynchronous programming. Demonstrated ability to deliver pixel-perfect UIs from design specifications. Strong ...

Visual Studio, .NET/C#, ASP.NET, Entity Framework. SQL Server: good T-SQL, performance tuning, and SSDT database projects APIs: designing, building and consuming REST services. SDLC/DevOps: Agile delivery, Azure DevOps, CI/CD automation, Git (branching/release strategies). ...

React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/JSON), including versioning and backward compatibility. Experience with UI testing, component testing, and front end build tooling. Experience in CI/CD pipelines, GitOps ...

Bring Strong front‐end engineering fundamentals with 3+ years’ web development experience Proficiency in Angular (v20+), TypeScript, HTML, and CSS Experience consuming and integrating REST APIs Familiarity with Git‐based source control and collaborative development workflows Experience working with Azure services, including Azure SQL and cloud‐hosted applications Exposure ...

.NET C# and ASP.NET Core Web APIs Strong understanding of Clean Architecture , CQRS , ideally with MediatR Experience with communication protocols: TCP/IP, UDP, REST, gRPC, SignalR Familiarity with RESTful API design Experience with event‐driven architectures and tools like RabbitMQ or Kafka Strong background in microservices and containerisation (Docker ...

Create SQL queries, stored procedures, scripts, views, and data routines to support workflow logic, reporting, and system optimisation. Design integrations between systems using APIs, REST services, and approved integration tools. Implement development standards, version control practices, and technical documentation aligned with firm‐wide governance. Business Engagement & Requirements Work closely with ...

team retros, sprint reviews, story-mapping, backlog refinement) helping the entire delivery team be the best that they can. Essential Skills: C# .NET Core, REST API Design and Development, API Management Document or No-SQL database solutions (particularly Elasticsearch) Messaging and microservices based architecture (Azure Service Bus, Azure Functions) Formal ...

have strong Java development skills including multi-threading and concurrency You have experience with SpringBoot and microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming ...

Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background beneficial) Strong understanding ...

modern frontend framework ( React, Vue, Next.js ) Experience designing and delivering scalable, cloud-based systems (AWS, Azure or GCP) Strong understanding of API design (REST/GraphQL), databases and system architecture Experience with CI/CD, infrastructure as code (e.g. Terraform) and automated testing Ability to design for non-functional requirements ...

work closely with a Senior Java Engineer and Lead Quant, focused on execution and delivery. Must‐Have Skills Strong Java Spring Boot REST API development Solid understanding of performance, reliability, and production systems AWS (EC2, S3) Docker/Kubernetes Terraform CI/CD pipelines Prometheus & Grafana Low‐latency or performance ...

systems What we’re looking for Experience developing applications with .NET/C# Exposure to cloud platforms such as Azure Experience building or consuming REST APIs Understanding of microservices or event-driven architectures Experience working in agile engineering teams Interest in building high-scale transactional systems Mid-Level .NET/ ...

have the right to work. About you: You have strong software engineering experience across the full development lifecycle You have expertise with backend Python, REST APIs and microservices You have a good knowledge of AWS including Amazon RedShift You have experience with PostgreSQL, DBT, data pipelines, ETL, data modelling, LLMs ...

operate AI‐first products that deliver measurable value. • Develop and deploy production‐grade AI agents on GCP using ADK, integrating with internal systems via REST and JSON APIs. • Build and maintain robust evaluation and monitoring frameworks, including online and offline testing, A/B experiments and performance dashboards. • Integrate ...

Technical Expertise (Exceptional Level) 2025+ years in QE engineering, transformation, and automation leadership. Mastery of: o Playwright, Appium, Selenium, Cypress, Java o API Automation (REST Assured, Karate, Postman) o Performance (JMeter, LoadRunner) o Cloud native testing (Azure, AWS, GCP) o Test orchestration, CI/CD pipelines o TDM, environment strategy ...

beyond. Core requirements: 3 plus years of engineering experience Strong in React and comfortable across the full JavaScript and TypeScript stack Backend experience building REST APIs using NestJS or Express Or Python Experience with MongoDB or similar databases Evidence of building independently, for example side projects, startups, open source work ...