1 to 25 of 84 Remote/Hybrid GraphQL Jobs in London

Senior Fullstack Engineer (Python + React.js)

Location
Greater London, England, United Kingdom
backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services, e.g. Microservices utilising REST, gRPC, or GraphQL, ensuring optimal performance and seamless integration. Optimize database queries and schemas to improve performance, scalability, and reliability. Implement security features, including authentication and authorization using ...

Head of Engineering - Data Products

Hiring Organisation
Dentsu
Location
London, United Kingdom
Salary
£ 100 K
driven architecture patterns.Experience with identity/access management integrations (Okta, Entra ID).Experience with service mesh technologies (Istio) and advanced networking patterns.Working knowledge of GraphQL APIs, ABAC solutions, and CMS platforms.Experience with C4 model architecture documentation (PlantUML or similar).TOGAF or other enterprise architecture certification.Cloud architecture certifications (AWS Certified Solutions ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
APIs) 4+ years of production experience with modern Web stacks (TypeScript, React, Node.js, or Python/FastAPI). Strong API design experience (REST, GraphQL, gRPC, WebSocket) and relational/non-relational database design (PostgreSQL, SQLite). 3. Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java on native Android ...

Principal Software Engineer

Hiring Organisation
Collinson Group
Location
London, United Kingdom
Salary
£ 80 K
most critical pillars in our Engineering organisation, our API platform, driving innovation across synchronous and asynchronous services built with REST, GraphQL, Kafka, and cloud-native technologies.You’ll work hands-on with modern engineering tools and practices, partnering with talented squads to solve complex distributed systems challenges at scale. From ...

Full Stack Software Engineer, Associate Preqin Engineering

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
services is beneficial. Familiarity with data technologies such as Microsoft SQL Server, MongoDB, and Snowflake. Nice to have Experience with Java development. Experience with GraphQL APIs and application integrations. Exposure to Amazon Web Services (AWS). Familiarity with enterprise-grade container orchestration platforms supporting declarative infrastructure and horizontal scaling. Familiarity ...

Polyglot Engineer (JS/Python/Go)

Location
Greater London, England, United Kingdom
performance optimization; Scalable system design patterns, load balancing, and high-availability architectures; Database design and optimization (both relational and NoSQL); API development (REST, GraphQL, gRPC) and event-driven architectures; Caching strategies and message queue systems (Redis, Kafka, RabbitMQ); Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes); CI/ ...

Senior Full Stack Developer (C#/React/TypeScript) - REMOTE working

Location
Greater London, England, United Kingdom
architecture. Docker, Kubernetes in Azure, Vercel. Jenkins/BitBucket Pipelines for CI/CD. RabbitMQ/MassTransit. Microfrontends. Test Driven Development. RESTful API design. GraphQL APIs. Integrations with third-party APIs and SaaS platforms. Benefits Competitive salary and benefits package REMOTE working Holiday allowance 50% staff discount & 25% for family ...

Full Stack Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
platforms. Hands-on experience with iOS or Android native development, or React Native for mobile-first product work. Strong working knowledge of RESTful and GraphQL APIs, serverless architectures and CI/CD pipelines. Comfortable in TypeScript and JavaScript, with experience in cloud-native ecosystems and modern tooling. A track record ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
London, United Kingdom
Salary
£ 80 K
design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management is preferred. Consume and integrate RESTful APIs to efficiently connect frontend applications with backend services. Work with business ...

Experienced Product Engineer - Full Stack

Location
Greater London, England, United Kingdom
backend (basic experience and willingness to learn required) 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 ...

Experienced Product Engineer - Full Stack

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
backend (basic experience and willingness to learn required) 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 ...

Senior Software Engineer

Hiring Organisation
TripAdvisor
Location
London, United Kingdom
Salary
Confidential
Proven ability to build relationships across disciplines and communicate technical trade-offs to non-technical partners.We’d love to see experience with NoSQL databases, GraphQL, Kafka, or containerization (Docker/Kubernetes). Experience building tools or abstractions that provide leverage to an entire engineering team is also a significant plus. ...

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

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 ...

Solutions Engineer - EMESA North (Presales)

Location
Greater London, England, United Kingdom
skills are not required, but are preferable: Understanding of Event Driven Architectures and APIs Understanding of OAuth2 and OpenID Connect Knowledge of Kafka, gRPC, GraphQL Hands-on experience with LLMs or AI Agent frameworks or platforms Who Thrives Here Our growth is powered by people who bring passion to their ...

AI Engineer

Hiring Organisation
IFS
Location
London, United Kingdom
Salary
£ 80 K
replay, and state machines to validate logic)Fullstack Product EngineeringBuild end‐to‐end product features spanning:Backend services (Python/TypeScript)APIs (REST/GraphQL/FastAPI)Frontend experiences (React)Create human‐in‐the‐loop interfaces for AI systems (review, override, explainability)Collaborate closely with Product and Design to ship ...

Principal Engineer (Gen AI and MACH Architecture)

Location
Greater London, England, United Kingdom
Microsoft Azure; infrastructure design, security and operational ownership, and the ability to draw parallels across cloud providers. API design: RESTful and GraphQL APIs, contract‐first design, versioning, gateway patterns and integration across SaaS, CMS, DXP and MarTech stacks. Distributed systems and event‐driven architecture: messaging, async workflows, resilience patterns, idempotency ...

Principal Engineer (Gen AI and MACH Architecture)

Hiring Organisation
Akqa
Location
London, United Kingdom
Salary
£ 70 K
alternatives on AWS and Microsoft Azure; infrastructure design, security and operational ownership, and the ability to draw parallels across cloud providers.API design: RESTful and GraphQL APIs, contract-first design, versioning, gateway patterns and integration across SaaS, CMS, DXP and MarTech stacks.Distributed systems and event-driven architecture: messaging, async workflows, resilience ...

Senior Principal Architect, CTO Office

Hiring Organisation
IFS
Location
London, United Kingdom
Salary
£ 80 K
Databricks, or equivalents), streaming and event-driven integration where the problem demands it Enterprise integration: API design and consumption at scale, including REST, OData, GraphQL, and webhook/event patterns into ERP-class systems What sets candidates apart Classical ML depth alongside GenAI: forecasting, anomaly detection, predicThe role This ...

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

Hiring Organisation
Involved Solutions
Location
London, United Kingdom
Salary
£ 120 K
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 Cloudflare Developer- Remote

Hiring Organisation
FDM Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum
experience building highly performant, globally distributed applications. Responsibilities Design and build full-stack web applications using Cloudflare Workers and Pages. Develop secure REST and GraphQL APIs running on Cloudflare's edge network. Build frontend applications using frameworks such as React, Next.js, Vue, Astro, or Svelte. Design and implement data solutions ...

Banking Technology Angular Lead Engineer - Vice President

Location
Greater London, England, United Kingdom
apply Corporate Banking domain knowledge Required Skills & Experience Significant hands‐on experience with Angular, TypeScript, HTML5 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 in RDBMS ...

Senior Kotlin/JVM Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
here and if youd like to check our reviews out on Glassdoor you can see these here. Our Tech Stack Backend Kotlin 1.7.20 AWS GraphQL (it would be nice if you were familiar with this but its not a deal breaker) Postgres RabbitMQ Docker Kubernetes Frontend React & React Native, TypeScript ...

Full Stack Developer, Aladdin Trading Engineering, Associate

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
React, Angular, or Vue) Proven experience with object-oriented programming languages such as Java 17+ Expertise in designing and maintaining RESTful APIs and GraphQL APIs is a plus.. Experience working with databases SQL and NoSQL?(highly available distributed NoSQL data storage platforms, Ignite).? Ability to communicate complex technical concepts ...

Sr. Software Engineer, Cloud Platform (Hybrid, London)

Location
Greater London, England, United Kingdom
Tech Stack: Cloud Platforms: AWS, GCP Observability: LogScale (Humio), Grafana Infrastructure: Kubernetes, Kafka Programming: Golang (APIs), Python Data: PostgreSQL, Cassandra, OpenSearch Integration: REST, GraphQL, OAuth, JSON What You’ll Do: Design and implement platform features that support marketplace integrations using our Foundry platform Lead technical implementations from concept through deployment ...

Senior Quality Engineer (mobile)

Location
Greater London, England, United Kingdom
contract testing experience, with a point of view on test data and environment strategy. OUR TECH STACK Mobile: TypeScript, React Native, Expo, EAS, GraphQL, Relay, Jest, React Testing Library, Maestro. Backend: Kotlin, PHP 8 (Symfony), AWS, Postgres, RabbitMQ, Docker, Kubernetes. Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry ...