Senior Fullstack Backend Engineer (Node.js / React, Real-Time Platform)

Компания "Velvetech LLC"

About us

Velvetech is a US-based global software development company headquartered in Miami, FL, with an office in Chicago, IL. Our engineering team is distributed across 10+ countries, allowing us to deliver high-quality software solutions and consistent client service worldwide.

With 20+ years of experience, we build complex software and hardware solutions primarily for US-based clients, including leading organizations in healthcare, logistics, fintech, insurance, manufacturing, and high-tech sectors. As an official Microsoft Gold Partner, Velvetech is recognized among the top 5 software development companies in Illinois.

Our expertise covers full-cycle product development — from consulting and architecture to implementation and support — using modern technologies such as microservices, cloud infrastructure (AWS, Azure, GCP), and scalable distributed systems.

We actively work with emerging technologies, including IoT, AI, and real-time data platforms, and collaborate with innovative startups building next-generation products.

Project Overview

We are building a next-generation enterprise platform for real-time monitoring, interpretation, and optimization of indoor environments at scale.

The system processes data from multiple sources — including environmental sensors, occupancy tracking systems, and building infrastructure — combining edge computing and cloud data pipelines to enable near real-time insights and automation.

This is a production-grade platform, not a typical dashboard project. It includes:

• Real-time data ingestion and streaming pipelines
• Device and sensor integration (IoT)
• Data normalization and orchestration layers
• Time-series and graph-based storage
• Digital twin and spatial data synchronization
• Analytics dashboards and operational portals
• Workflow automation and enterprise integrations

The platform is designed to support high data volumes, strict reliability requirements, and scalable multi-tenant environments.

Responsibilities

• Design and develop backend services and APIs for real-time data ingestion, processing, and orchestration
• Build and maintain user-facing portals and analytics dashboards using React
• Integrate with external systems, devices, and data sources (IoT, APIs, streaming protocols)
• Implement scalable and reliable data processing flows (event-driven / real-time)
• Collaborate with cross-functional teams (data, AI, DevOps) on system design and delivery
• Ensure code quality, performance, and maintainability in a production environment
• Participate in architecture discussions and contribute to technical decision-making
• Use AI tools to improve development speed, code quality, and documentation

Requirements

• Strong experience with TypeScript, Node.js (or NestJS), and React (5+ years)
• Solid backend development experience (APIs, services, system design)
• Experience working with real-time or data-intensive systems
• Familiarity with REST APIs, and ideally gRPC or event-driven architectures
• Experience with PostgreSQL or other relational databases
• Understanding of asynchronous processing and distributed systems
• Ability to translate business requirements into scalable technical solutions
• Good communication skills and ability to work in an international team

Nice to Have

• Experience with MQTT, WebSockets, or streaming data systems
• Exposure to time-series databases (e.g., InfluxDB)
• Experience with graph databases like Neo4j
• Experience with cloud platforms (AWS, GCP) and containerization (Docker)
• Understanding of IoT systems or sensor data processing
• Experience with multi-tenant applications

Highly Desirable (for selected candidates)

• Experience with BIM / building data systems (Revit, Autodesk Forge, IFC)
• Exposure to digital twin technologies or spatial data platforms
• Familiarity with OpenUSD or similar frameworks

AI-related Requirements

• Practical experience with AI development tools such as GitHub Copilot, ChatGPT, Cursor, or similar
• Ability to effectively use prompt engineering to accelerate development workflows
• Understanding of AI limitations and ability to apply critical thinking
• Experience using AI tools for debugging, refactoring, and improving code quality

Benefits

• Work in a US-based company recognized among the top software development firms in Illinois
• Flexible working conditions and fully remote setup
• Competitive compensation aligned with international markets
• Opportunity to work on a technically complex, large-scale platform
• Professional growth, certification, and continuous learning support
• Internal training programs (English, technical, and soft skills)

Our Team

You will join a distributed team of 170+ professionals working on challenging and meaningful projects for international clients.

We value ownership, responsibility, and engineering excellence. Our environment supports collaboration, continuous learning, and professional growth.

This role is a strong fit for engineers who enjoy working on complex systems, solving real-world problems, and contributing to scalable, production-grade platforms.

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