Backend Developer

Company Description About Navatech At Navatech, we're on a mission to transform safety, communication, and productivity for frontline workers using AI-first software. Our innovative AI-driven platform reimagines how work gets done in high-risk industries like construction, turning everyday tools—such as WhatsApp and Microsoft Teams into intelligent safety and workflow companions through conversational AI and smart automation. Our cutting-edge products empower organizations to reduce workplace incidents, streamline safety reporting, and boost operational efficiency, all while making complex safety workflows intuitive and accessible to frontline teams. We're a fast-growing, innovation-driven team backed by global partners and trusted by major construction leaders across multiple countries. Our vision is clear: to create a safer, more connected, and more productive workplace for millions of frontline workers worldwide. Role Description We're looking for a talented Backend Developer to join our Engineering team and help us build the scalable, high-performance backend systems that power our AI-driven safety platform. In this role, you'll work on mission-critical systems that directly impact safety and productivity for construction teams and organizations across the globe. As a Backend Developer at Navatech, you'll be at the intersection of AI, safety, and real-time data processing. You'll design and build robust backend services that handle complex workflows, integrate with AI models, and process real-time safety data from thousands of users. Requirements What You'll Build As a Backend Developer at Navatech, you will: Design and architect scalable, high-performance backend services that power our 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 and real-time workflows Design and optimize database schemas in PostgreSQL, ensuring data integrity and query performance Work with MongoDB and other NoSQL databases for flexible data storage and retrieval Architect systems that handle real-time data ingestion, messaging workflows, and seamless AI integrations Improve system reliability, scalability, and performance in production environments serving thousands of concurrent users Integrate observability and monitoring tools (logging, metrics, tracing) to ensure system health, performance, and quick incident resolution Collaborate closely with frontend-engineers, AI/ML teams, and product managers to ship end-to-end features that delight users Participate in architectural discussions, code reviews, and continuous improvement of backend standards and practices Mentor junior developers and contribute to building a strong engineering culture Stay updated with backend best practices and emerging technologies in the ecosystem What We're Looking For You're a great fit if you have: Core Experience & Skills: 2-3 years of professional backend development experience Strong hands-on experience with Python as your primary language Solid experience with FastAPI or similar async frameworks (Django, Tornado, etc.) Proven experience working with Celery, background jobs, and distributed task processing Deep understanding of Redis (caching strategies, pub/sub patterns, queue management) Experience designing and optimizing PostgreSQL schemas and queries Familiarity with MongoDB or other NoSQL databases (Cassandra, DynamoDB, etc.) Strong understanding of API design principles, RESTful architecture, and best practices Knowledge of authentication mechanisms, authorization patterns, and security best practices Experience working with observability and monitoring tools (ELK, Datadog, New Relic, etc.) Proficiency with Git and experience working in collaborative, team-based environments A mindset focused on writing clean, maintainable, and highly scalable code Problem-solving ability and strong analytical thinking Excellent communication and teamwork skills Technical Competencies: Understanding of software design patterns and principles (SOLID, DRY, etc.) Knowledge of database indexing, query optimization, and performance tuning Experience with microservices architecture (or willingness to learn) Understanding of caching strategies and optimization techniques Familiarity with testing frameworks and test-driven development practices Knowledge of load balancing, horizontal scaling, and high-availability systems Bonus Points If You've Worked With: • Kubernetes and container orchestration technologies • Docker and containerization best practices • Monitoring and observability stacks: Prometheus, Grafana, OpenTelemetry, Jaeger, etc. • Cloud platforms such as AWS (EC2, RDS, S3, SQS), GCP, or Azure • CI/CD pipelines and automated deployment tools (GitHub Actions, GitLab CI, Jenkins, etc.) • Event-driven architectures or message brokers (RabbitMQ, Kafka, etc.) Benefits Why You'll Love Working at Navatech Competitive salary and benefits package. Meaningful Impact: Build technology that genuinely saves lives, improves safety, and enhances productivity across industries worldwide. Your work directly impacts thousands of frontline workers and helps organizations create safer work environments. High-Growth Environment: Join a fast-growing company where you'll have significant opportunities to shape the future of our product suite. You'll grow rapidly with the company and take on increasing responsibilities as we scale.