18 of 18 GraphQL Jobs in Central London

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 ...

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 ...

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 ...

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 ...

Software Engineering Manager - Platform

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
Oversee the maintenance and support of existing software systems, ensuring prompt resolution of issues and bugs. Tech Stack React, Next.js, Typescript Java Kotlin Swift GraphQL Federation Cloud: Azure Observability: Dynatrace Who You Are Previous polyglot hands‐on senior software engineer Experience working on highly scalable software solutions across ...

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/ ...

Front-End Engineer (React) : Trading : £120-180k plus excellent bonus : London

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
data, or real-time UI updates D3.js, charting libraries, or custom data visualisation Backend languages such as Python, C++, Java, or Go Familiarity with GraphQL, RESTful APIs, or event-driven systems Nice to Have (But Not Required) Exposure to financial markets, trading systems, or time-series data Experience working closely ...

Boomi Integration Architect

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Support digital transformation initiatives and enterprise modernization programs. Required 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 Presales Engineer

Hiring Organisation
Uniphore
Location
City of London, London, 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 ...

Shopify Middleware Backend Engineer

Hiring Organisation
PRACYVA
Location
City of London, London, United Kingdom
into projects Develop scalable backend services using Golang NestJS and TypeScript Work with PostgreSQL and DynamoDB databases to manage data efficiently Build and maintain GraphQL APIs for seamless data querying Utilize AWS services including API Gateway Lambda RDS S3 Step Functions SNS and SQS to deploy and manage cloudnative applications ...

Senior Backend Engineer

Hiring Organisation
WireMock
Location
City Of London, England, United Kingdom
particular. Experience managing cloud infrastructure via configuration-as-code. Front end development experience - HTML, CSS and Javascript. Experience with gRPC, GraphQL or websockets development. Please only direct candidates, no recruiters. ...

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 ...

Senior Front-End Engineer- React Native, TypeScript, Mobile

Hiring Organisation
Gravitas Recruitment Group Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Central London. * Experienced building production mobile apps in fast paced environments * Strong in React Native & TypeScript, shipping crossplatform apps * Experience with REST/GraphQL APIs and push notifications (APNs, FCM) * Familiar with mobile CI/CD (App Store Connect, Google Play) * Good understanding of mobile security (biometrics, secure storage, data ...

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 Developer

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
e.g. agent orchestration libraries and LLM-based tooling) Vector databases (e.g. Pinecone, Milvus, Weaviate or similar) LLM orchestration and tool-calling pipelines REST and GraphQL API design Key Focus Areas Designing systems that leverage reasoning loops within large language models Building self-correcting and adaptive AI architectures Implementing prompt engineering ...

Senior PHP Developer

Hiring Organisation
Profectus Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
across wider digital transformation and automation initiatives internally. Key Areas: Building and supporting internal applications and integrations Developing secure API-led solutions (REST/GraphQL) Working across Azure PaaS services including Azure Functions & App Services Supporting modern integration approaches including API and event-driven solutions Contributing towards CI/… Supporting ongoing modernisation initiatives across the technology estate Technical Environment: PHP (v8+) Laravel/Symfony/Yii2 Azure PaaS Azure Functions REST APIs/GraphQL JavaScript/HTML/CSS MySQL/PostgreSQL Git/CI/CD Linux (CentOS/RedHat) Azure-native tooling and integrations The Ideal Background ...

Senior Fullstack Engineer (AI-Native)

Hiring Organisation
Shakers
Location
City of London, London, United Kingdom
native — and so is the team. What you'll do Architect and ship high-concurrency APIs and event-driven systems ( NodeJS, NestJS, GraphQL, PostgreSQL ) Define enterprise-grade architecture: GDPR-safe, audit trails, permissions, cloud-ready by default Integrate LLMs (Gemini and others) into the product in a measurable, monitored, production … Build reliability foundations: monitoring, logging, retries, runbooks Own features end-to-end — from vague brief to production Must-haves Strong NodeJS + NestJS + GraphQL + PostgreSQL Hands-on with LLMs in production (Gemini a plus) Event-driven architecture, Prisma, Terraform Reliability mindset: monitoring, QA, retries Format 100% freelance ...