Senior Full-Stack Application Engineer

United International Group; Hyderabad; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

United International Group in Hyderabad is seeking a founding-team Application Engineer to own the full software stack—from device UI to cloud backend and a retailer dashboard. You will collaborate with hardware, firmware, and CV/ML engineers to ship end-to-end solutions.

The role requires leading the platform from concept to production, including real-time features, security, and CI/CD. It is a high-autonomy startup position based in Hyderabad.

Qualifications

• Bachelor's in Computer Science, Software Engineering, or equivalent experience.
• 5–8+ years of full-stack development with at least one hardware/IoT integration project.
• Proven track record shipping and maintaining production applications.
• Startup mindset: high autonomy, fast iteration, strong cross-functional communication.

Responsibilities

• Onboard Device Application: Build a kiosk-style UI on an embedded display and implement offline-first resilience.
• Develop real-time session state management and real-time device-cloud sync via REST/WebSocket/MQTT.
• Integrate with retailer POS/inventory systems and third-party payment gateways, with secure auth flows.

Skills

Real-time communication

Offline-first design

Startup mindset

Education

Bachelor's in Computer Science/Software Engineering

Tools

React/Angular/Vue.js

Node.js/ASP.NET Core/Spring Boot/Django

Job description

We are a stealth-stage hardware-software startup building a next-generation smart retail device that combines edge AI, computer vision, and integrated payment - targeting deployment across Asia

This is a founding-team role based in Hyderabad. You will be the first application engineer, owning the full software stack: onboard device UI, cloud backend, and retailer dashboard - built ground-up alongside hardware, firmware, and CV/ML engineers.

KEY RESPONSIBILITIES

Onboard Device Application

• Build a kiosk-style UI on an embedded display (edge compute platform).
• Develop real-time session state management with offline-first resilience.
• Design RESTful and event-driven services (WebSocket / MQTT) for real-time device-cloud sync.
• Integrate with retailer POS/inventory systems and third-party payment gateways.
• Implement JWT / OAuth2 / RBAC authentication and secure payment flows.
• Build a web dashboard for device fleet monitoring, analytics, and operations management.

DevOps & Quality

• Containerise with Docker; configure CI/CD for cloud and OTA device deployments.
• Write unit/integration tests; perform code reviews; maintain documentation.

REQUIRED SKILLS

Languages & Frameworks

• React, Angular, or Vue.js - including kiosk / embedded display UI patterns
• Node.js, ASP.NET Core, Spring Boot, Django, or similar backend framework

Device & Real-Time

• Real-time communication: WebSocket, MQTT, or Server-Sent Events
• Offline-first design and edge-compute aware architecture

Data & Infrastructure

• PostgreSQL or MySQL, MongoDB or similar NoSQL, Redis (all required)
• JWT, OAuth2, RBAC, secure coding and PCI-DSS awareness

Preferred

• NVIDIA Jetson or similar edge-compute platform experience
• Cloud: AWS, Azure, or GCP, monitoring tools (Prometheus, Grafana, or similar)

QUALIFICATIONS

• Bachelor's in Computer Science, Software Engineering, or equivalent experience.
• 5–8+ years of full-stack development with at least one hardware/IoT integration project.
• Proven track record shipping and maintaining production applications.
• Startup mindset: high autonomy, fast iteration, strong cross-functional communication.