Senior Node.js Software Engineer (GraphQL)

TL;DR

Senior Node.js Software Engineer (Node.js/GraphQL/React): Building a complex, data-driven platform for large-scale construction projects with an accent on dual-layer data architecture and high-performance data pipelines. Focus on optimizing BigQuery SQL conversion engines, developing advanced Canvas-based UI components, and managing large-scale ETL/ELT workflows.

Location: Ukraine (Remote or Office)

Company

hirify.global is a global digital transformation company providing comprehensive software development and technology services.

What you will do

• Design and evolve dual-layer data architecture to ensure scalability and reliability across data workflows.
• Manage dataset and table lifecycles using MySQL and TypeORM to improve consistency.
• Build and optimize engines that convert visual definitions into parameterized BigQuery SQL for efficient processing.
• Develop complex data transformation widgets and extend Canvas-based UI frameworks using React, Canvas API, and WebGL.
• Execute high-performance BigQuery MERGE operations and manage ephemeral blob uploads to GCS.
• Oversee integrations with enterprise and construction platforms for effective data ingestion and synchronization.

Requirements

• Strong experience with Node.js (5+ years).
• Solid expertise in SQL and columnar data warehouses, specifically BigQuery.
• Hands-on experience with REST, GraphQL, and OAuth 2.0 API design.
• Knowledge of NestJS and AWS cloud infrastructure.
• Familiarity with Canvas API or WebGL for advanced UI interactions.
• Proven background in ETL/ELT workflows and tech or team leadership experience.