26 to 50 of 144 GraphQL Jobs

Forward Deployed ML Engineer, Agents

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

Java Developer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
deliver. Desirable experience : Familiarity with modern Spring/Spring Boot, Kubernetes, Docker, and DevOps tools such as Terraform, Jenkins and GitHub Actions; exposure to GraphQL; experience with incident management, production support and mentoring other engineers. ...

Banking Tech Full Stack Lead Engineer (Angular/Java) - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Banking domain knowledge **Required Skills & Experience*** Significant hands-on experience with Angular, TypeScript, HTML5, Java & Spring framework* Proven experience of API first solution - REST, GraphQL* Experience designing & implementing large-scale platforms using microservices architecture* Experience working in Agile/Scrum delivery teams & incremental frequent releases.* Database design and queries ...

Banking Tech Full Stack Lead Engineer (Angular/Java) - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Banking domain knowledge Required Skills & Experience Significant hands‐on experience with Angular, TypeScript, HTML5, Java & Spring framework Proven experience of API first solution - REST, GraphQL Experience designing & implementing large‐scale platforms using microservices architecture Experience working in Agile/Scrum delivery teams & incremental frequent releases. Database design and queries ...

Banking Tech Full Stack Lead Engineer Angular/Java - VP - Citi

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Banking domain knowledge Required Skills & Experience Significant hands‐on experience with Angular, TypeScript, HTML5, Java & Spring framework Proven experience of API first solution - REST, GraphQL Experience designing & implementing large‐scale platforms using microservices architecture Experience working in Agile/Scrum delivery teams & incremental frequent releases. Database design and queries ...

Software Engineer (Backend)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
important). Solid understanding of backend fundamentals: concurrency, data modelling, transactions, reliability, and observability. Experience designing and consuming APIs (REST/gRPC/GraphQL) and integrating with other services and data stores. Strong testing mindset and familiarity with CI/CD workflows. Clear communication skills and a collaborative approach ...

Node.js Developer

Hiring Organisation
Opus Recruitment Solutions
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£0 - £400/day
/or NoSQL databases Familiarity with CI/CD and modern development practices Desirable Skills React development experience Kubernetes or Terraform exposure GraphQL experience Experience with high-volume, real-time systems Key Responsibilities Develop and maintain backend services using Node.js and TypeScript Build scalable APIs and data streaming solutions Develop ...

Fullstack Frontend Developer

Hiring Organisation
Opus Recruitment Solutions
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£0 - £400/annum
collaborating closely with backend engineers, designers, and product teams. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5, CSS3 Backend Exposure Node.js REST APIs/GraphQL Nice to Have AI integrations (OpenAI, Azure AI or similar) Next.js Essential Skills & Experience Strong commercial experience developing frontend applications with React Advanced JavaScript ...

Golang Engineer ( Junior to Mid-level)

Hiring Organisation
Talent-Relay Limited
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £220 to £275 per day Junior - Mid role - Long term contract - wor
solving skills. Preferred: Degree in Computer Science, Software Engineering or a related technical discipline (or equivalent commercial experience). Experience with Docker , gRPC and GraphQL . Knowledge of Continuous Integration, Continuous Deployment and Continuous Testing. Familiarity with Agile methodologies including Scrum, Kanban and SAFe. Experience using tools such as Jira ...

Senior Technical Lead

Hiring Organisation
InstaResource Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
with prompt engineering or AI automation pipelines is highly desirable. Core Technical Skills: .NET/C# JavaScript/TypeScript React or Next.js RESTful APIs GraphQL CI/CD pipelines (Azure DevOps or GitHub Actions) Performance optimisation WCAG 2.1 accessibility standards SEO best practices Agile/Scrum delivery experience. Desirable: Sitecore ...

Python Application Developer with DevOps

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
with Python and software design patterns (SOLID, DRY) Expertise in AWS (or similar cloud providers), Containerization and Kubernetes Deep understanding of RESTful API or GraphQL API design and development Strong experience with GIT and CI/CD tooling (Github Actions, Gitlab, Argo CD, Azure Devops) Experience monitoring systems in production ...

Lead Software Engineer

Hiring Organisation
Pike + Bambridge | Vehicle Leasing
Location
United Kingdom
front-end tech, database management, and the ability to choose the “right tool for the job.” Backend & Infra: Node.JS, Python, FastAPI, REST APIs, GraphQL, Vercel, AWS, CI/CD, PostHog. Frontend: React, Next.JS, TypeScript, Tailwind CSS, Shadcn/ui, Storybook, PlateJS, SlateJS. AI/LLM Expertise : Hands-on experience working ...

Senior AWS Solution Architect - Cambridge

Hiring Organisation
Simon James IT Ltd
Location
Cambridge, England, United Kingdom
system architectures, design principles, and technical roadmaps. Lead microservices decomposition using Domain-Driven Design (DDD) and establish clean API standards (REST, GraphQL, gRPC). Design asynchronous messaging and event-streaming pipelines utilizing Apache Kafka , SQS/SNS, and EventBridge. Architect robust AWS cloud infrastructure (EKS, Lambda, RDS, VPC) using Terraform ...

Principal Engineer - Java - £110,000

Hiring Organisation
Intec Select Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 110,000 Annual
modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data Engineering and Analytics: Work closely with data ...

Principal Engineer - Java - £110,000

Hiring Organisation
Intec Select Ltd
Location
London, Broad Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £110000/annum Hybrid + 25% bonus
modern technologies to design and implement scalable, secure, and high-performing cloud-native solutions. API Development and Integration: Design and build secure RESTful and GraphQL APIs, ensuring seamless integration with core banking systems (e.g., Mambu) and external services like Open Banking platforms. Data Engineering and Analytics: Work closely with data ...

Senior Frontend Engineer - Retail Digital Platform

Hiring Organisation
Sanderson
Location
West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
maintaining Progressive Web Apps (PWAs) Strong understanding of HTML5, CSS3 and SCSS Responsive and mobile-first development experience REST API and/or GraphQL integration experience Testing experience using tools such as Jest, React Testing Library, Cypress or Playwright Experience working with Git-based version control and CI/ ...

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 ...

Frontend Engineer - Java and Open Source - Private and FS

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
React. Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. Experience with GraphQL, preferably using Apollo Client with React for efficient data fetching and state management. Experience in Unit Testing with Jest Continuous Integration experience (Docker) A passion ...

Staff React Full Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
TanStack Query or Apollo), modern toolchains (Vite, ESBuild) and package managers (pnpm/yarn/npm). Strong Node.js back-end skills – RESTful and GraphQL API design, integration patterns, relational and NoSQL data modelling, and a practical understanding of deploying into modern cloud and serverless environments (AWS and CloudFlare preferred ...

Staff Software Engineer-Android

Hiring Organisation
Scout Motors
Location
Fremont, California, United States
Employment Type
Permanent
Salary
USD Annual
Proficiency in Android application development using languages like Kotlin or Java. Solid understanding of mobile platform architecture, UI/UX design principles and frameworks, GraphQL, mobile security and performance optimization techniques. Experience with version control systems (e.g., Git), CI/CD pipelines and mobile release process. Experience as a technical ...

Full Stack Engineer JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
production systems where required. Front-End HTML5 CSS3 TypeScript React Redux React Query Modern JavaScript frameworks Tailwind CSS (or similar CSS framework) REST APIs GraphQL WebSockets Cross-browser compatibility Git Back-End TypeScript or another object-oriented language (e.g. C# or Java) SQL and NoSQL databases REST APIs GraphQL WebSockets ...

Back-end Engineer (contract)

Hiring Organisation
Opus Recruitment Solutions
Location
London, Finsbury Square, United Kingdom
Employment Type
Contract
Contract Rate
£375 - £400/day
data infrastructure, distributed systems, APIS and AI-services Proven experience in building/designing scalable backend services Strong experience building and maintaining APIs (REST, GraphQL and/or gRPC). Knowledge of Docker and AWS (ideally in a recent project) Essential - must have strong coding skills in Python, Typescript, Node ...

Senior Automation Engineer - London- Global Prime Brokerage & Financing Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
production experience integrating or fine-tuning LLM/GenAI solutions (OpenAI, Bedrock, or similar) Deep knowledge of Jira data model, webhooks, and REST/GraphQL APIs Strong grasp of security for SaaS integrations: OAuth, secret rotation, data-in-transit/at-rest encryption Familiarity with financial or regulated environments ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique company as they embark on a period ...

IT Integrations Developer

Hiring Organisation
Transact
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
using relevant web frameworks. Provide user support and resolve application issues as required. Design and implement secure API integrations and data flows (e.g. REST, GraphQL). Contribute to integration design, selecting appropriate approaches (direct integration, API-based, or event-driven) based on business needs. Troubleshoot, test, and maintain systems ...