Full Stack Engineer – IoT Platform (Web & Mobile Tracks) at Davis & Shirtliff Group

The Full Stack Engineer will develop an integrated digital platform that empowers users to access and manage smart utility equipment through flexible ownership and usage models. The engineer will support in designs and implementation of scalable, secure, and data-driven solutions that connect IoT devices with business systems — integrating communication, user authentication, transaction processing, and device security monitoring. This position will work in close collaboration with other Engineering teams to ensure that the highest standards of privacy, security, and reliability are maintained. 

Requirements:

• Bachelor's degree in Computer Science, Engineering or any related technical field.
• At least 2 - 4 years of experience in Full Stack (or at least Backend) development using modern Backend frameworks (Node.js/NestJS, React/Next.js, Flutter (Dart)Strong grasp of established and emerging technologies, systems, platforms and software.
• PostgreSQL, MySQL, InfluxDB, Redis
• MQTT/MQTTs, WebSockets, webhook integrations.
• OAuth2, JWT, RBAC.
• Docker, GitHub Actions, AWS or equivalent.
• Testing & Monitoring: Jest/Supertest, K6/Artillery, Grafana, Prometheus, Opentelemetry.
• Ability to work within a team in a fast-paced delivery-oriented environment.

Skills and Technical Experience:

• Experience with IoT or telemetry-driven systems (smart devices, energy, water, or utilities).
• Prior work integrating mobile payment systems (especially M-Pesa, Vodafone).
• Knowledge of user profiling, onboarding, and lifecycle management systems.
• Familiarity with ERP systems (Odoo, Dynamics 365, Zoho, SAP, or custom-built).
• Experience with realtime data visualization dashboards.
• Data caching and queuing using  Redis, BullMQ, or Kafka.
• Time-series data design and retention optimization.
• CI/CD pipeline management with multi-environment deployment.
• Network configuration and troubleshooting, including TLS and MQTT broker.