Backend Engineer

Lead Software Engineer

Job Summary: We are looking for a highly skilled Lead Backend Engineer with strong expertise in NoSQL databases, specifically MongoDB, to design, develop, and lead scalable backend systems. The ideal candidate should have hands-on experience in backend development, distributed systems, and modern data architectures, with a focus on building high-performance, data-intensive applications.

Key Responsibilities:

• Design, develop, and maintain scalable and high-performance backend services using modern architectures
• Lead backend development efforts and mentor junior developers
• Design and implement NoSQL data models using MongoDB (collections, documents, indexing strategies)
• Optimize MongoDB queries, aggregations, and performance tuning for large-scale applications
• Build and maintain RESTful APIs and microservices-based systems
• Ensure efficient handling of unstructured and semi-structured data
• Collaborate with frontend, DevOps, and product teams for seamless delivery
• Improve system performance, reliability, scalability, and fault tolerance
• Handle production issues, debugging, and root cause analysis
• Implement security, data consistency, and data protection best practices
• Drive technical discussions, architecture decisions, and database strategy (SQL vs NoSQL where applicable)

Required Skills:

• Strong experience in backend development using Node.js / Java / Python (any one or more)
• Deep expertise in MongoDB including: Data modeling (embedding vs referencing) Aggregation framework Indexing and performance tuning
• Strong understanding of NoSQL database concepts (schema-less design, horizontal scaling, CAP theorem basics)
• Experience in designing RESTful APIs and microservices architecture
• Good understanding of distributed systems and scalable architectures
• Familiarity with cloud platforms (AWS / Azure / GCP)
• Experience with version control tools like Git
• Strong problem-solving and analytical skills
• Experience with CI/CD pipelines and DevOps practices

Preferred Skills:

• Experience with containerization tools like Docker and Kubernetes
• Knowledge of caching mechanisms (Redis, Memcached)
• Exposure to message queues (Kafka, RabbitMQ)
• Experience handling high-volume data systems using NoSQL databases
• Experience in Agile/Scrum environments
• Prior experience in leading a team or handling modules independently