1 to 25 of 32 GraphQL Jobs in London

Lead Software Engineer - Android

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
framework Building applications using React Nativein TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIsand GraphQL Comfortable working with projects partially or fully using TypeScript End to end testing applications with Detox/Appium/WebdriverIO/Playwright Hands‐on experience ...

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
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/ ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
stack or any specific functional area, but you have a strong willingness to learn and adapt quickly. Typescript/Node.js, Python, REST API/GraphQL APIs, Ruby/Rails, React, AWS/Serverless or EKS, PostgreSQL, DynamoDB, OpenSearch, Redis Why join us? Key moment to join Aircall in terms ...

Senior Full-Stack Engineer—TypeScript, AWS & GraphQL

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
WorksHub is seeking a Senior Engineer in Greater London to design and maintain robust full-stack solutions using TypeScript, AWS, and GraphQL. The ideal candidate should have proven experience in software engineering roles with deep ...

Head of Software (ML & Web)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
embedded systems integration. Background or interest in scientific/biological domains. Our Tech Stack (Current & Planned) Frontend: React, TypeScript Backend: Node.js, Python, REST & GraphQL APIs Cloud & Infra: AWS (ECS, S3, Lambda), Docker, Cloudformation, Pulumi, CI/CD with GitHub Actions ML/AI: PyTorch, TensorFlow, scikit‐learn, MLflow for experiment ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
understanding what needs to be built, to getting it into the hands of customers, to making sure it stays running. Our stack: AWS, MongoDB, GraphQL, React, TypeScript, Python, Terraform. We have strong DORA metrics, we pair program, we deliver value in small increments and observe change. The tooling and process ...

Senior Software Engineer I

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
contributing to code Our Tech Stack Find below a small reflection of our current tech stack: Frontend: React Native (iOS and Android) Typescript GraphQL (Apollo Client) Fastlane SwiftUI (Apple Watch) Maestro E2E tests Backend: Serverless (AWS) Lambdas (NodeJS & Python) AWS AppSync DynamoDB, S3, SQS, SNS, EventBridge, SageMaker Snowflake ...

Senior Software Engineer, Internationalisation Platform London, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
product area. Experience with AWS or any similar cloud provider Experience with billing systems in multiple currencies Technologies we use (not exhaustive) REST, GraphQL, JSON Schema, JSON:API CDNs (Fastly, Cloudflare) GitHub, BuildKite MySQL, Redis, Pulsar, Memcache DeepL, Smartling, Stripe Amazon Web Services (EC2, RDS, Aurora, AWS Translate, etc.), Terraform ...

Contract Senior Software Engineer (Java or Python)

Hiring Organisation
SoCode Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 700 Daily
evaluate AI-generated code for correctness, security, and financial accuracy Desirable, but no essential: Experience with Apache Airflow or similar workflow schedulers REST or GraphQL API design experience Knowledge of fixed income, FX, or derivatives products and associated P&L/risk methodologies ...

Contract Senior Software Engineer (Java or Python)

Hiring Organisation
SoCode Limited
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
evaluate AI-generated code for correctness, security, and financial accuracy Desirable, but no essential: Experience with Apache Airflow or similar workflow schedulers REST or GraphQL API design experience Knowledge of fixed income, FX, or derivatives products and associated P&L/risk methodologies ...

Senior TypeScript/Node.js Backend Engineer — AWS & GraphQL

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Houseful is seeking a passionate Software Engineer to join their team in London. The role involves developing critical backend services using TypeScript, Node.js, and Apollo GraphQL. Ideal candidates should have a strong background in modern ...

Software Engineer Middle/Back Office Asset Manager (Contract)

Hiring Organisation
Alexander Ash Consulting Limited
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day
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/ ...

AI Solutions Architect - up to £120K+Benefits - Hybrid/London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
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, identity management ...

Senior Software Engineer - Core Video & Data London, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
enjoy helping fellow engineers hone their skills through code reviews and pair programming. Nice-to-Haves Tech stack knowledge. Professional background in C#, GraphQL, Elastic, MongoDB and AWS is ideal. Experience with media at scale. You’ve worked with video encoding and on-demand rendering in a professional setting. Passion ...

Senior Pre-Sales Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
backend or full‐stack engineering experience, with strong TypeScript/JavaScript and Node.js skills. Experience designing versioned APIs (REST/OpenAPI and/or GraphQL with schema governance). Experience working in platform or infrastructure engineering roles — comfortable with work whose primary customer is other engineers. Ability to navigate ambiguity ...

IT Integration Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
Services including Logic Apps, Azure Functions and API Management • Create event driven integration patterns and data flows between multiple systems • Work with REST and GraphQL APIs alongside modern authentication technologies including OAuth2, OpenID Connect and SAML • Ensure secure by design principles are embedded throughout all integration architecture • Produce and maintain ...

Founding Data Engineer

Hiring Organisation
Edison Hill Search
Location
NW5, Kentish Town, Greater London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £100000/annum Benefits & Meaningful Equity
structured and unstructured data sources, orchestration tooling, and distributed storage. RDS Postgres, MongoDB, AWS Athena, Parquet, AWS Glue, Airflow, Python, Docker, S3, GraphQL, REST. You won't know all of it, you'll be strong in your core area and curious about the rest. Nice to have : Python proficiency ...

Senior Sales Engineer, Matterport - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
within prior organizations. Exceptional executive‐level communication and influence skills across functions and seniority. Hands‐on experience with APIs, SDKs, and prototyping using JavaScript, GraphQL, and other technologies. Advanced understanding of 3D data types (models, point clouds, imagery) and spatial data workflows. Strong knowledge of cloud platforms, security architecture, authentication ...

React Native Lead Developer

Hiring Organisation
Hunter Bond
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
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 ...

Integration Architect

Hiring Organisation
INTEC SELECT LIMITED
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
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 ...

Senior Software Engineer - MSX Compute Workflows

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
role. Our Stack (100% Open Source) Backend: Golang, Python Infrastructure & Orchestration: Docker, Kubernetes, Airflow, Salt, Ansible, Chef Data: PostgreSQL, Redis, Kafka API: REST, GraphQL Frontend: React with TypeScript What you’ll do Own backend systems — design, build, and operate the APIs and services that power infrastructure and service lifecycle workflows … Build scalable APIs (REST & GraphQL) that serve both the INFR UI and programmatic consumers across Bloomberg engineering Architect data models that represent Bloomberg’s entire technology infrastructure — from bare servers to containerized applications — at massive scale Drive workflow orchestration — design pipelines that coordinate complex, multi-step infrastructure and service operations ...

IT Integration Developer

Hiring Organisation
Transact
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
data flows across disparate systems. You will manage the extraction, transformation, and routing of data working with multiple integration protocols such as REST and GraphQL to ensure reliable and efficient communication. You will be responsible for engineering and maintaining Microsoft-centric middleware solutions using the Azure integration stack, including ...

Generative AI Executive Director — Production LLM Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
pipelines using DAG frameworks, including custom operator development and pipeline optimization. Architect and implement high‐throughput, low‐latency microservices with gRPC, REST, and GraphQL, including protocol buffer schema design, streaming endpoints, and load balancing. Apply hands‐on experience with parameter‐efficient fine‐tuning (LoRA, QLoRA, IA3), model quantization (INT8, FP16 ...

Senior Software Engineer (TypeScript, Node.js, AWS) - 12 month maternity cover

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
resilient and performant. Our Technology Stack We believe in using the right tool for the job. Our current stack includes: Backend: TypeScript, Node.js, Apollo GraphQL, MongoDB Frontend: TypeScript, React Cloud & Infrastructure: AWS (ECS, Lambda, SQS, DocumentDB, DynamoDB), Terraform, SST (Infrastructure as Code) Architecture: Microservices, Micro-Frontends, Event-driven architecture … experience in modern API development with Node.js. Someone who is comfortable building distributed systems with asynchronous event-driven architecture. Knowledge of designing and implementing GraphQL schemas, resolvers and mutations, with Apollo Server or an equivalent framework. An understanding of cloud-native development practices and awareness ...