Senior Full Stack Developer (GraphQL)

Job Description:

Key responsibilities:

• GraphQL API Design & Optimization: Develop and maintain high-performance GraphQL Schemas and APIs focusing on schema design, query optimization (batching, caching), real-time data, and schema evolution.
• Supergraph/Subgraph Architecture: Decompose monolithic schemas into manageable Subgraphs using federation or stitching techniques.
• API Consolidation and Aggregation into a Graph: Aggregate existing REST APIs, services, and underlying data stores into a sub-graph.
• Graph-to-Graph Interactions: Integrate, transform, and aggregate data across multiple GraphQL APIs.
• Full Stack MERN Development: Oversee front-end (React.js) and back-end (NEST.js / Express.js) development ensuring efficient GraphQL integration.
• Azure Cloud Implementation: Deploy, scale, and maintain applications using Azure Cloud, including serverless architectures if required.
• UI/UX & Accessibility: Convert design mockups (e.g., Figma) into responsive, accessible interfaces adhering to design systems.
• Quality Assurance: Write and execute unit and integration tests (e.g., Jest.js) to ensure code quality and stability.
• CI/CD & DevSecOps: Build and manage automated pipelines that incorporate security and accommodate GraphQL schema changes.
• Production Support: Monitor, troubleshoot, and optimize performance in production environments.
• Architectural Contribution: Engage in design discussions to evolve scalable, secure architectures for GraphQL APIs and microservices.
• Continuous Learning: Stay updated on industry trends and share best practices.
• API Documentation: Maintain clear API documentation (e.g., Swagger/OpenAPI) with detailed GraphQL schema usage examples.

Must-Have Skills:

• Deep expertise in Server-side JavaScript
• Deep expertise in React.js, NEST.js for Back-end Microservices development, Express.js back-end JS frameworks
• Deep expertise with GraphQL concepts – schemas, mutations, queries
• Deep expertise with WunderGraph Cosmo Cloud and Cosmo Router (preferred), or alternatively with Apollo GraphQL
• GraphQL API Design and Implementation Expertise: Demonstrated ability to design and implement efficient and well-structured GraphQL APIs, including schema design, resolvers, and data fetching strategies.
• Deep Expertise with Federated Graph solutions and linking APIs and micro services into a federed graph
• Hands-on experience with Supergraph/Subgraph architectures (e.g., Apollo Federation).
• Deep Expertise with advanced patterns like Subscriptions on GraphQL
• Proficiency in TypeScript & JavaScript.
• Extensive experience with Cloud and Serverless services.
• Ability to translate UX designs into pixel-perfect interfaces.
• Skilled in unit and integration testing (e.g., Jest.js).
• Experience with CI/CD pipelines and DevSecOps practices.
• Proven track record in production troubleshooting and performance tuning.
• Familiarity with microservices architecture and modern build tools (e.g., Webpack).
• Commitment to building reusable, maintainable components.
• Experience in GraphQL schema-first approach

Good to Have Skills:

• Expertise in Azure serverless technologies (Azure Functions, Storage, Cosmos DB).
• Experience with integrating Large Language Model (LLM) APIs.
• Background in creative production platforms.
• Proficiency in Python.
• Experience with relational databases (e.g., PostgreSQL, MySQL) and broader database design.

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