1 to 25 of 54 GraphQL Jobs in London

Senior Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
London Area, United Kingdom
/Vue) and DevOps experience (Docker, K8s, CI/CD). Expertise in building data pipelines and integrating with enterprise systems (REST, Python, SQL, GraphQL, Webhooks etc). Solid understanding of LLMs, Prompt engineering/tuning, Vector DBs (AstraDB, Pinecone, Weaviate etc), RAG pipelines (LlamaIndex, Haystack) and Agent/Workflow ...

Senior Staff Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
City of London, London, United Kingdom
deploying AI/ML or data-intensive applications in production Strong full-stack skills: Python, Node.js/Go, React/Vue, SQL, REST/GraphQL DevOps proficiency: Docker, Kubernetes, CI/CD, and major cloud platforms Expertise in LLMs, Prompt Engineering, Vector DBs, RAG pipelines, and Agentic orchestration frameworks Agentic ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ownership are valued, this is a great opportunity. Key Responsibilities On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design ...

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 ...

Senior Software Engineer – AI / Agentic Systems

Hiring Organisation
MA (Montreal Associates)
Location
London Area, United Kingdom
scaling distributed systems or cloud-native platforms (AWS preferred) Experience delivering end-to-end solutions in production environments Technical Skills API development ( REST/GraphQL ) and third-party integrations Strong knowledge of databases (SQL & NoSQL) Experience with event-driven systems/messaging (Kafka, RabbitMQ, SQS, etc.) Solid understanding of system ...

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, ReactAWS/Serverless or EKS, PostgreSQL, DynamoDB, OpenSearch, Redis Why join us? 🚀 Key moment to join Aircall in terms of growth ...

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 ...

Specialised Engineer – HCL Commerce

Hiring Organisation
Vallum Associates
Location
London Area, United Kingdom
releases, rollbacks, and platform improvements Essential Skills & Experience Strong hands-on experience with HCL Commerce/IBM WebSphere Commerce architecture Proficiency in Java, J2EE, GraphQL, and RESTful APIs Experience with Spring/Spring Boot backend development Strong knowledge of relational databases, particularly Oracle Experience with tools such as Eclipse ...

Developer Golang

Hiring Organisation
CBTS
Location
City of London, London, United Kingdom
Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such ...

Software Engineer

Hiring Organisation
Chumley
Location
City of London, London, United Kingdom
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 ...

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 ...

Lead Software Engineer (Python)

Hiring Organisation
Circuit Mind
Location
City of London, London, United Kingdom
models. Learn, use, and improve best practices and processes for high-quality software development. Our technology stack includes Python 3.11, PostgreSQL, Django, mypy, GraphQL, Docker, Redis, Typescript, React. Qualifications We’re only considering exceptional candidates, with the following pre-requisites: 5+ years of professional software development experience. 2+ years ...

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 ...

Lead Engineer

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
deep, hands-on experience is essential (topic design, consumer groups, schema registry, Kafka Streams or similar) TypeScript, Node.js AWS (EKS, Lambda, Aurora RDS), Kubernetes GraphQL, Terraform, DataDog Salesforce or enterprise CRM experience is a strong advantage Contract details: IR35: Outside IR35 Rate: Up to £700 per day Contract length ...

Full Stack Engineer

Hiring Organisation
trg.recruitment
Location
City of London, London, United Kingdom
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 ...

Contract Senior Software Engineer (Java or Python)

Hiring Organisation
SoCode Recruitment
Location
City of London, London, United Kingdom
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/ ...

Boomi Integration Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
transformation initiatives and enterprise modernization programs. Required Skills & Experience Technical Skills Strong hands‐on experience with Boomi AtomSphere. Expertise in API Management, REST, SOAP, GraphQL, and microservices architectures. Experience with XML, JSON, XSLT, data mapping, and transformation. Knowledge of enterprise integration patterns and middleware technologies. Experience integrating ...

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 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 (OAuth2.0, API keys). Data and network architecture acumen – ability to discuss and propose solutions around data governance, network segmentation, and enterprise security ...