We are looking for a skilled Senior Software Engineer with strong hands-on experience in Java, Spring Boot, MongoDB, REST APIs, microservices, and IoT device integration.

Responsibilities:
- Design, develop, and maintain backend services using Java and Spring Boot.
- Build scalable REST APIs, microservices, and integration components.
- Work with MongoDB for schema design, queries, indexing, aggregation, and performance optimization.
- Integrate with IoT devices, gateways, sensors, meters, and external systems.
- Develop data ingestion workflows for telemetry, events, alerts, diagnostics, and device status.
- Work with communication protocols such as MQTT, HTTP/HTTPS, TCP/IP, WebSocket, Modbus, or DLMS/COSEM.
- Implement device onboarding, registration, heartbeat, status tracking, and command-response workflows.
- Participate in technical design discussions and contribute to HLD/LLD documents.
- Write clean, reusable, secure, and maintainable code.
- Perform unit testing, integration testing, debugging, and issue resolution.
- Optimize APIs, database queries,



and backend services for performance and scalability.
- Collaborate with QA teams for test case reviews, defect fixes, and release readiness.
- Work with DevOps teams for build, deployment, CI/CD, monitoring, and production support.
- Follow coding standards, branching strategy, code review practices, and agile delivery processes.
- Support production troubleshooting for backend services, device communication, and data processing issues.

Required Skills:
- Robust hands-on experience in Java, Spring Boot, and Spring Framework.
- Experience in developing REST APIs and backend microservices.
- Good understanding of MongoDB, including schema design, indexing, aggregation, and query optimization.
- Experience with IoT device integration or connected device platforms.
- Good understanding of device telemetry, event processing, alerts, logs, and command-response flows.
- Experience with messaging or event platforms

📌 Senior Software Engineer (HITEC City)
🏢 Avexa Systems
📍 HITEC City