Backend Developer

• Design and develop scalable RESTful APIs using NestJS 9.4.0 and TypeScript

• Build and optimize real-time communication systems using MQTT (AWS IoT Core), WebSocket, and Server-Sent Events (SSE)

• Work with PostgreSQL databases implementing read/write separation strategies

• Implement caching strategies using Redis 7.1.0 (ioredis)

• Develop asynchronous processing workflows with BullMQ

• Migrate and optimize infrastructure from EC2 to ECR/ECS containerized deployments

• Collaborate with Android and web teams to deliver seamless integration

• Monitor system health using Grafana, CloudWatch, and OpenTelemetry

• Contribute to architectural decisions for our 2026 roadmap

• Participate in on-call rotation for production support

Do you have experience in TypeScript?, * 1-4 years of professional backend development experience

• Strong proficiency in Node.js and TypeScript

• Experience with NestJS or similar backend frameworks (Express, Fastify)

• Solid understanding of RESTful API design and development

• Hands-on experience with PostgreSQL or other relational databases

• Familiarity with Redis or similar caching systems

• Knowledge of Git and collaborative development workflows

• Understanding of asynchronous programming and event-driven architectures

• Strong problem-solving abilities and debugging skills

• Excellent communication and teamwork capabilities

• Preferred Qualifications

• Experience with AWS services (EC2, S3, CodeDeploy, IoT Core, ECS/ECR)

• Knowledge of real-time protocols: MQTT, WebSocket, Server-Sent Events

• Experience with message queues (BullMQ, RabbitMQ, SQS)

• Familiarity with Docker and container orchestration

• Understanding of microservices architecture and monorepo management (Turborepo)

• Experience with monitoring tools: Grafana, CloudWatch, OpenTelemetry

• Knowledge of database optimization and query performance tuning

• Background in high-traffic, real-time applications (restaurant tech, hospitality, e-commerce)

• Experience with React Query or understanding of frontend-backend integration

• What we offer

• Work on cutting-edge real-time systems at scale (100+ restaurants, 1,800+ devices)

• Hands-on experience with AWS infrastructure modernization (EC2 * ECS/ECR)

• Exposure to diverse technologies: MQTT, WebSocket, SSE, message queues

• Collaborative engineering culture with opportunities to influence technical direction

• Competitive compensation and comprehensive benefits

• Professional development and learning opportunities

• Impact: Your code directly improves restaurant operations and guest experiences