Senior Backend / Middleware Engineer (TypeScript, GraphQL, IoT)

Position Overview

We are looking for a Senior Backend / Middleware Engineer to work on Middleware API development focused on TypeScript, Node.js, and GraphQL, supporting IoT‑style communication with connected devices, including state‑of‑the‑art audio and networking products.

This role is focused on designing and building platform‑independent middleware services, exposing device capabilities through GraphQL and REST APIs, and collaborating closely with cross‑functional engineering and product teams.

Responsibilities

• Design and implement platform‑independent device communication middleware for connected audio and networking products
• Develop backend services using Node.js and TypeScript in an agile, cross‑functional team environment
• Implement device communication business logic in Node.js and C++
• Expose middleware functionality through GraphQL and REST APIs
• Model, standardize, and abstract device interaction capabilities to provide device‑agnostic interfaces
• Optimize middleware performance and implement appropriate security measures
• Break down requirements and estimates to deliver features from concept to production
• Collaborate with marketing, testing, and systems engineering teams to define use cases and requirements
• Communicate effectively with technical and non‑technical stakeholders
• As needed, extend or maintain web‑based UI components using Angular, TypeScript, HTML, and CSS
  
  

Technical Requirement

• Bachelor’s degree in Computer Science or related field
• 5+ years of professional software development experience
• Strong experience as a Node.js backend developer with a focus on TypeScript
• Hands‑on experience designing and documenting asynchronous Web APIs
• Experience authoring and consuming GraphQL and/or REST APIs
  
  

Solid understanding of:

• Asynchronous programming
• Distributed systems
• OS fundamentals and multi‑threading
• Software design principles (SOLID, separation of concerns, cohesion vs coupling)
  
  

Experience with:

• CI/CD pipelines
• Unit and Integration Testing
• Git or similar version control systems
• Comfortable working in a remote‑first or hybrid environment
  
  

Nice to Have

• Experience with distributed systems
• Domain experience with audio products or wireless/radio devices
• C++ development experience (OO or functional)
• Embedded or device‑level software development
• Experience with single‑page applications (Angular, React, Vue.js)
• Experience with serverless cloud environments (AWS preferred)
  
  

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