1 to 25 of 33 GraphQL Jobs in London

morebackend programming languages such as: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust Experience designing and consuming RESTful and/or GraphQL APIs. Strong understanding of SQL and database design principles. Experience with cloud platforms such as AWS, Azure, or GCP. Familiarity with containerisation technologies such as Docker ...

outputs, cash movements or fee calculationsExposure to JavaScript and/or TypeScript in a fu ll stack contextExperience with Node.j s and/or GraphQL Full Stack C# .NET Developer | Post-Trade Operations | ETD | Up to £140,000 | AWS | Financial Services | Hybrid, London ...

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 ...

while gaining exposure to cutting-edge AWS architecture and engineering best practices. Key Skills: TypeScript React, Redux, React Query HTML5, CSS3, Tailwind REST APIs, GraphQL, WebSockets AWS (Lambda, Fargate, API Gateway, AppSync) Terraform, CI/CD, Containerisation SQL & NoSQL databases Git and automated testing Experience Required: Commercial experience ...

/CD, IaC, TDD) Exploring and applying AI-driven engineering capabilities Tech environment TypeScript (Node.js) AWS (EKS, Lambda, RDS) Kubernetes Kafka (event-driven systems) GraphQL & REST APIs Terraform & Helm GitHub Actions DataDog What we’re looking for Proven experience designing large-scale distributed systems in the cloud Deep understanding ...

read and write API specs - Hands-on with TMF/ODA frameworks for product and service APIs - Expertise in integration patterns ( OpenAPI , REST, gRPC , GraphQL ) - Strong background in pub/sub and event brokers (Kafka, RabbitMQ) including security (TLS/SASL), scaling and schema evolution - Knowledge of headers, correlation/ ...

Strong proficiency with React , modern JavaScript/TypeScript, and Vite or equivalent tooling. Back-end experience (e.g. Node.js or similar) with RESTful or GraphQL APIs. Experience integrating or working with Salesforce (APIs, webhooks, or data pipelines). Good understanding of application architecture, performance, and security. Comfort working in a small ...

lineage tracking Schema mapping Semantic data integration Metadata management Data quality frameworks Python (networkx, rdflib, py2neo) SQL Bash/Shell Scripting REST API integration GraphQL JSON-LD processing AI & Cloud Architecture AI Integration Cloud Platforms Governance & Operations RAG architecture design GraphRAG implementation Vector database integration LLM knowledge grounding Semantic retrieval ...

modern engineering practices. Previous technical leadership and mentoring experience. Background in financial services, payments, banking, or regulated environments is advantageous. Desirable gRPC or GraphQL AI/ML integration experience Event-driven architectures Regulatory or compliance-focused delivery ...

backend expertise in Typescript and Node and front capability in React Proficiency in SQL, Redux, cloud services (AWS or GCP), RESTful API design and GraphQL Strong analytical skills with the ability to design, optimise, and troubleshoot complex UIs Excellent communication and leadership skills; ability to mentor junior team members Other ...

everyday engineering workflows~ Key Requirements: A strong track record delivering large-scale distributed systems in cloud environments Deep knowledge of API design - REST and GraphQL, and substantial hands-on experience with Kafka in a production environment Solid cloud platform experience, particularly AWS, and comfort with containerised infrastructure Proficiency in TypeScript ...

Cursor, GitHub Copilot) with significant examples of delivery improvement AWS (S3, Lambda, EC2, Glue), Snowflake, Git, CI/CD, Datadog, MS SQL Server, REST, GraphQL, Airflow (as many as possible) Degree educated or higher in a relevant technical discipline from a leading university This is a £650-700/ ...

Strong experience working with AWS in a production environment Solid understanding of object-oriented programming Experience building and consuming APIs (REST and/or GraphQL) Familiarity with relational databases (Postgres preferred) Experience working in Agile teams Pragmatic, delivery-focused mindset Nice to have: Experience with AWS services such ...

security: designing, integrating, and securing API connections between AI platforms and business applications (e.g., CRM, ERP, data warehouses), with knowledge of protocols (REST, GraphQL) and authentication mechanisms (OAuth 2.0, API keys). Data and network architecture acumen – ability to discuss and propose solutions around data governance, network segmentation, and enterprise ...

including performance considerations and component architecture. Strong TypeScript skills across the frontend and into the backend where applicable. Backend development experience including REST and GraphQL API design. Experience with relational databases, PostgreSQL or MySQL preferred. Understanding of data security principles and experience handling sensitive or confidential data responsibly ...

with React Experience working in an agile scrum development model University degree (Bachelor or Master) in Computer Science or Maths Desirable Skills: Experience in GraphQL or gRPC Experience in Reactive Extensions (RX) Previous experience in the commodities or finance industry (hedge fund, investment banking, private banking, fintech ...

proficiency in Python and SQL. Experience with graph query languages such as SPARQL and Cypher. Hands-on experience with graph databases and frameworks (Neo4j, GraphQL, RDF, or similar). Experience working with cloud platforms such as AWS and/or Azure. Strong data modelling, analytical, and problem-solving skills. Excellent ...

Doing Building scalable full stack applications using TypeScript across Front End and Back End services Developing modern user interfaces with React Designing and building GraphQL and REST APIs Working with NoSQL databases to support highly scalable applications Developing cloud-native services within AWS Contributing to architecture and technical design discussions … wider team Technology Stack Core Requirements Strong commercial experience with TypeScript Experience building applications across both Front End and Back End environments GraphQL NoSQL databases (DynamoDB experience is beneficial but not essential) AWS or similar cloud platform experience REST APIs Microservices architecture Automated testing and CI/CD practices ...

amazing opportunity! The following skills/experience is essential: Strong React Native development background Demonstrable experience delivering applications in both iOS and Android GraphQL and Restful APIs Solid understanding of the full mobile development life cycle Good communication skills Salary: Up to £95,000 + bonus + package Location: London ...

Architecture, Enterprise Architecture, or Senior Systems Analysis. Strong experience integrating enterprise platforms including Microsoft Dynamics 365, WMS, or TMS solutions. Expertise in REST APIs, GraphQL, Azure Service Bus, Logic Apps, Event Grid, and file-based integrations. Strong understanding of data modelling, JSON, XML, and OData. Experience creating architecture diagrams, data ...

Architecture, Enterprise Architecture, or Senior Systems Analysis. Strong experience integrating enterprise platforms including Microsoft Dynamics 365, WMS, or TMS solutions. Expertise in REST APIs, GraphQL, Azure Service Bus, Logic Apps, Event Grid, and file-based integrations. Strong understanding of data modelling, JSON, XML, and OData. Experience creating architecture diagrams, data ...

performant, accessible, secure, and compliant with relevant standards and regulations. Platform & Integration Lead the integration of front-end platforms with backend services using GraphQL APIs, and third-party systems to deliver seamless end-to-end user experiences. Collaborate with backend, platform, and DevOps teams to ensure well-designed interfaces … using version control effectively, and working within modern development workflows. Solid understanding of secure API integration , authentication and authorisation flows , and modern UI architecture (GraphQL experience preferred). Comfortable leading design implementation and collaborating closely with Product and Design teams, using tools such as Figma to translate concepts into high ...

Principal Engineer l Architecture l Design l Coaching l Typescript l AWS l Kafka l GraphQL l Lambda l £550-£625 per day l Outside IR35 l twice a week in London l 3 months We're hiring a Principal Engineer to step into a critical gap on a large ...

applications. What You'll Be Doing Building full stack applications using TypeScript across Front End and Back End services Developing and enhancing APIs using GraphQL and REST Working with NoSQL databases to support scalable applications Building and maintaining cloud-native services within AWS Contributing to technical discussions and solution design … improvement of engineering practices and processes Technology stack core requirements Commercial experience with TypeScript Experience building applications across Front End and Back End environments GraphQL NoSQL databases (DynamoDB experience is beneficial but not essential) AWS or similar cloud platform experience REST APIs Microservices architecture Automated testing practices Git Desirable Experience ...

seeking someone with experience delivering modern digital platforms, cloud-native architectures (Azure), API-led integrations and Adobe Experience Manager environments. Knowledge of headless architectures, GraphQL and digital customer journeys is highly desirable. If you're passionate about driving exceptional digital experiences and influencing strategic technology decisions, we'd love ...