Backend Developer

Responsibilities

• Design and architect scalable, high-performance backend services for an AI-driven safety platform
• Develop RESTful APIs and backend systems using FastAPI, ensuring clean code and best practices
• Implement asynchronous and distributed task processing using Celery and Redis for background jobs
• Design and optimize database schemas in PostgreSQL and work with MongoDB for flexible data storage
• Architect systems to handle real-time data ingestion, messaging workflows, and AI integrations
• Improve system reliability, scalability, and performance in production environments
• Collaborate with frontend engineers, AI/ML teams, and product managers to ship end-to-end features
• Participate in architectural discussions, code reviews, and continuous improvement of engineering standards

Requirements

• 2-3 years of professional backend development experience
• Strong hands-on experience with Python as a primary language
• Solid experience with FastAPI or similar async frameworks (e.g., Django, Tornado)
• Proven experience working with Celery and distributed task processing
• Deep understanding of Redis, including caching strategies and queue management
• Experience designing and optimizing PostgreSQL schemas and queries
• Familiarity with MongoDB or other NoSQL databases
• Strong understanding of RESTful architecture and API design principles
• Knowledge of observability and monitoring tools (e.g., ELK, Datadog, New Relic)
• Proficiency with Git and experience in collaborative, team-based environments

Preferred Qualifications

• Experience with Kubernetes and container orchestration
• Proficiency with Docker and containerization best practices
• Experience with cloud platforms such as AWS, GCP, or Azure
• Knowledge of CI/CD pipelines and automated deployment tools
• Experience with event-driven architectures or message brokers like Kafka or RabbitMQ

Benefits

• Competitive salary and benefits package
• Opportunity to build technology that genuinely saves lives and improves safety
• High-growth environment with significant opportunities to shape product direction

About the Company

Navatech is on a mission to transform safety, communication, and productivity for frontline workers using AI-first software. Our platform reimagines how work gets done in high-risk industries like construction, turning everyday tools into intelligent safety and workflow companions through conversational AI and smart automation.