At Cosito.ai, we are transforming the way companies understand and operate in the physical world through IoT sensors and artificial intelligence platforms. We are looking for a Senior FullStack Developer to lead the backend architecture and development of our core platform, capable of turning sensor data into real-time actionable insights.
Key Responsibilities
- Design and implement scalable microservices architectures for real-time sensor data processing, ensuring high availability and low latency.
- Lead the integration of custom IoT sensors with AWS IoT Core, enabling secure device management, data ingestion, and real-time streaming.
- Develop REST APIs and streaming services that allow customers to configure and deploy sensors in minutes.
- Integrate Large Language Models (LLMs) with sensor data analytics to create natural language interfaces for querying insights and detecting anomalies.
- Implement data analysis pipelines using AWS Lambda, Kinesis, and S3, optimizing large-scale data processing and analytics.
- Work closely with the product, frontend and hardware teams to ensure a smooth and reliable user experience.
Requirements:
- English: C1
- Bachelor’s degree in Systems Engineering, Computer Science, or related fields.
- Proven experience as a Senior FullStack Developer or Software Architect.
- Proven experience in Kotlin, Java, Scala (typelevel stack), Node JS, PHP, React JS, relational and non-relational databases
- Proficiency in .NET Core / C# and experience with microservices-based architectures.
- Experience with AWS environments (IoT Core, Lambda, Kinesis, S3).
- Experience integrating AI/LLMs with backend applications.
- Preferred: Knowledge of IoT protocols (MQTT, WebSockets) and real-time processing.