1 to 25 of 269 REST Jobs in London

Grid Real Time communication using WebSockets or SignalR Strong experience building Real Time trading or financial applications Back End C# .NET 8 Python REST APIs/Web APIs Microservices Architecture Messaging & Caching RabbitMQ Redis DevOps & Cloud Azure DevOps Git/Repos CI/CD Pipelines Azure and/ ...

Grid Real-time communication using WebSockets or SignalR Strong experience building real-time trading or financial applications Back End C# .NET 8 Python REST APIs/Web APIs Microservices Architecture Messaging & Caching RabbitMQ Redis DevOps & Cloud Azure DevOps Git/Repos CI/CD Pipelines Azure and/ ...

handling large data volumes, with experience across cloud data platforms, data pipelines and SQL‐based technologies. Integration: Strong integration experience across external systems, including REST APIs, messaging and event‐driven architectures, and secure file and data exchange, with experience using canonical data models and anti‐corruption layers. Security: Strong grounding ...

packages in Python, including numpy, pandas, matplotlib, etc. Familiar with relational & non‐relational databases such as SQL Server, MySQL, Mongo. Experience interacting with REST APIs. Developed web services and used JSON as a data exchange format. Nice to have - Experience with AWS. Nice to have - Experience working in an agile ...

solutions Capital Markets knowledge, ideally within Clearing or Prime Brokerage. Desirable Previous team leadership or mentoring experience Knowledge of Groovy, FIX/FIXML, FpML, REST APIs, JSON or messaging technologies Experience developing client portals and reporting platforms Experience working with distributed or offshore development teams. Technical Environment You'll have ...

driven design. Experience designing large data-volume solutions across cloud data platforms, pipelines, and SQL-based technologies. Proficiency in integration with external systems via REST APIs, messaging, event-driven architectures, secure file exchange, and use of canonical data models and anti-corruption layers. Strong foundation in security architecture, including authentication ...

Proven experience leading and mentoring teams of engineers to deliver high-quality, production-grade software (expected at Principal level) Familiarity with Spring Boot, REST APIs, and microservice architectures Knowledge of Docker, Kubernetes, Git, CI/CD pipelines, and automated testing frameworks Good knowledge of security, authentication, and integration patterns ...

within complex environments Expertise in React, JavaScript (ES6+), TypeScript, HTML5 and CSS3 Experience designing SPA or micro-frontend architectures Strong understanding of API integration (REST, API gateway patterns, BFF) Experience working in cloud environments such as AWS or Azure Exposure to Docker, Kubernetes and CI/CD pipelines Strong focus ...

Good communication skills and the ability to work collaboratively across technical and non-technical teams Useful Technical Experience * Kotlin * Java * JVM * Ktor or Spring * REST APIs * PostgreSQL * MongoDB * Redis * GitHub Actions or other CI/CD tools * Docker * Kubernetes * AWS, GCP or Azure * Monitoring and logging tools such as CloudWatch ...

Hands-on experience with modern frameworks (Spring, .NET, Django, FastAPI, Rails, Express/NestJS, Laravel, React, Vue, Next.js, Angular or equivalent) Solid grounding in REST and/or GraphQL API design Working knowledge of relational and NoSQL databases—query design, indexing, schema modelling Familiarity with containerisation (Docker) and orchestration concepts ...

research workflows where permitted; govern enterprise knowledge ingestion. Architecture & Integration Distributed systems, microservices, cloud‐native (Azure/AWS/GCP); secure API design (REST/GraphQL). MLOps & AIOps: CI/CD for AI, model lifecycle (eval, versioning, rollout/rollback), guardrails, telemetry, drift monitoring, prompt safety. DevSec & Responsible ...

leveraging core microservices patterns (e.g., Service Discovery, Circuit Breaker, API Gateway, and CQRS). Design and build robust, secure, and well-documented APIs (REST/gRPC) and manage inter-service communication using synchronous and asynchronous (event-driven) messaging patterns. Collaborate with cross-functional teams (Product, DevOps, QA) to define, design ...

required, exposure to the following is highly advantageous: Java | Python | Kubernetes | Kafka | Microservices | Event-Driven Architecture | CI/CD | SQL | Oracle | Redis | Elasticsearch | REST APIs | Cloud Technologies | Agile Delivery Location & Working Pattern London (Hybrid Working) We offer a flexible hybrid model combining office collaboration with remote working. Occasional ...

latency services, concurrency, messaging Python for research, analytics, data processing FIX protocol experience Front‐end engineering: JavaScript/TypeScript React real‐time dashboards (REST/WebSocket) Modern UI state management Distributed systems: Kafka/Chronicle PostgreSQL/KDB++ Caching strategies Avro/Protobuf DevOps: Linux Docker/Kubernetes CI/ ...

Java/Spring Passion for clean, maintainable code with a strong understanding of SOLID principles Hands-on experience designing AWS-based systems, microservices with REST APIs, and event-driven architectures Focus on engineering quality through code reviews, testing, and test strategy improvement Responsibility for maintaining CI/CD pipelines ...

success. Back-end: C#, .NET, Node.js Front-end: JavaScript/TypeScript, React, Next.js Cloud & Architecture: AWS (provisioned with Terraform), microservices, distributed systems, scalable REST APIs. Our environment is a hybrid — the newer stack runs on AWS with Azure Service Bus for messaging, while the legacy/static side still lives ...

profile configuration Create and manage secure Managed File Transfer (MFT) workflows to support high-volume and sensitive data transfers Publish, secure and govern REST/SOAP APIs through Boomi API Management, including gateway configuration, throttling and developer portal management Develop and maintain CI/CD pipelines using Git, Azure DevOps ...

attribution, settlement, confirmations and regulatory reporting. Expert understanding of integration architecture in high-performance trading environments including messaging (JMS, MQ, Kafka), API design (REST, GraphQL, gRPC), event-driven patterns, ETL/ELT, real-time market data connectivity and STP workflows. Strong data architecture expertise, including canonical data models, data mesh ...

attribution, settlement, confirmations and regulatory reporting. Expert understanding of integration architecture in high-performance trading environments including messaging (JMS, MQ, Kafka), API design (REST, GraphQL, gRPC), event-driven patterns, ETL/ELT, real-time market data connectivity and STP workflows. Strong data architecture expertise, including canonical data models, data mesh ...

technical design discussions Essential Skills & Experience Strong commercial experience developing applications with Python Proven hands-on experience with Microsoft Azure Experience building and consuming REST APIs and microservices Strong understanding of cloud architecture and Azure services Experience with CI/CD pipelines and DevOps practices Familiarity with Git and modern ...

Essential 5+ years professional software engineering experience Strong TypeScript, Node.js and React experience Experience designing, building and operating production backend services Strong grasp of REST APIs, auth/authorisation and data modelling (MongoDB or similar) Experience with event-driven/message-based systems (SNS/SQS, Kafka or RabbitMQ) Solid ...

using any particular design approach and technology. Technical Expertise Strong hands-on experience in: Azure cloud services, Python, Databricks and ETLs Protocols and formats REST/SOAP, JSON, XML, etc DevOps tools, CI/CD pipelines, Git, and automated testing frameworks Strong understanding of data warehousing, data pipelines, and cloud ...

delivering secure, reliable software solutions. Banking or financial services experience is highly desirable. Tech stack : Java, Spring Boot, Spring Cloud, Hibernate/JPA, REST APIs, Microservices, Sybase, Oracle/PostgreSQL, AWS, Docker, Kubernetes, Jenkins, TeamCity and Git. Experience with cloud platforms, CI/CD, messaging technologies, event-driven architecture, OAuth2 ...

security testing). Knowing when to keep a human in the loop. Advanced modern JavaScript/TypeScript, NodeJS and React. Web development principles (REST, SPA...). Microservice architecture, AWS and DevOps. Building LLM-powered features: tool-calling, retrieval-augmented generation (RAG), evaluation/eval harnesses and observability (desirable). Familiarity ...

Optimize for sub-500ms latency, natural conversation flow, turn detection, and interruption handling in real-time systems Integrate agents directly into customer codebases via REST/GraphQL/WebSocket APIs and custom SDKs (Python, TypeScript) Act as trusted technical advisor to customers, shaping AI strategy and guiding roadmap decisions from ...