SDE 3

Job Role: Software Engineer – Python (SDE-3)

You should apply if you have:

• Strong experience designing and building large-scale distributed backend systems
• Proven ability to architect systems end-to-end, not just implement features
• Deep expertise in

Python (Django REST/FastAPI) and

backend system design

• Hands-on experience with Apache Kafka (designing event-driven architectures at scale)
• Strong experience using Redis for caching, distributed locks, rate limiting, and performance tuning
• Ability to debug and resolve complex production issues across services
• Ownership mindset with experience leading critical services or platforms
• Experience mentoring engineers and driving technical decision-making
• Ability to work in a fast-paced environment with high accountability
• Ability to integrate LLM/AI-powered features into production systems

You should not apply if you:

• Prefer working only on isolated tasks without system-level ownership
• Lack experience in designing scalable systems or handling production scale challenges
• Are not comfortable making architectural decisions or trade-offs
• Avoid mentoring or collaborating with other engineers
• Struggle with ambiguity or ownership in high-impact systems

Skills Required: Backend & System Design Skills

• Expert-level proficiency in

Python

• Deep experience with Django and/or FastAPI in production systems
• Strong understanding of distributed systems, microservices, and event-driven architecture
• Ability to design highly scalable, fault-tolerant, and low-latency systems
• Strong grasp of system design concepts

Data & Infrastructure Skills

• Strong experience with relational databases (PostgreSQL/MySQL) including scaling strategies
• Experience with NoSQL systems (MongoDB/DynamoDB) for high-scale use cases
• Advanced usage of Redis (caching strategies, pub/sub, distributed coordination)
• Deep experience with Apache Kafka (topic design, partitioning, consumer scaling, failure handling)
• Strong familiarity with the AWS ecosystem (EC2, S3, RDS, SQS, Lambda, etc.)

Developer & DevOps Skills

• Strong expertise in Git workflows and code quality practices
• Experience with Docker and container orchestration (Kubernetes preferred)
• Strong understanding of CI/CD pipelines and release strategies
• Experience with observability (metrics, logging, tracing – Prometheus, Grafana, ELK, etc.)
• Experience with AI-assisted software development and code review workflows
• Ability to leverage AI tools for faster onboarding, debugging, documentation, and engineering productivity
• Understanding of best practices for integrating AI into day-to-day development while maintaining code quality and reliability
• Ability to design backend infrastructure for AI-powered product experiences

What will you do? Architect and Build Scalable Backend Systems

• Design and own end-to-end backend architectures
• Build highly scalable and maintainable microservices and APIs
• Drive architectural decisions with long-term scalability in mind
• Ensure systems meet performance, reliability, and availability SLAs

Lead Event-Driven and Distributed Systems

• Design event-driven architectures using Kafka at scale
• Define topic structures, partitioning strategies, and data flow
• Ensure reliability with retry mechanisms, dead-letter queues, and idempotency
• Optimize systems for high throughput and low latency

Drive Performance Optimization

• Design and implement advanced caching strategies using Redis
• Solve performance bottlenecks using data access optimization and caching layers
• Implement distributed locking and rate-limiting mechanisms
• Continuously improve system latency and efficiency

Database Architecture and Scaling

• Design and evolve database schemas for scale
• Implement indexing, sharding, and query optimization strategies
• Ensure high data consistency, availability, and durability
• Drive decisions between SQL vs NoSQL based on use cases

Ensure System Reliability and Operational Excellence

• Own production systems and ensure high availability and fault tolerance
• Lead debugging of critical production incidents
• Design and implement monitoring, alerting, and observability systems
• Improve system resilience and disaster recovery strategies

Technical Leadership and Mentorship

• Mentor SDE-1 and SDE-2 engineers
• Lead design discussions and code reviews
• Drive engineering best practices and standards
• Contribute to hiring and technical evaluations

Work Experience: 5–8 years of experience in backend development

Working days: Monday - Friday

Location: Golf Course Road, Gurugram, Haryana (Work from Office)

Why Nutrabay: We believe in an open, intellectually honest culture where everyone is given the autonomy to contribute and do their life’s best work. As a part of the dynamic team at Nutrabay, you will have a chance to learn new things, solve new problems, build your competence and be a part of an innovative marketing-and-tech startup that’s revolutionising the health industry. Working with Nutrabay can be fun, and a place of a unique growth opportunity. Here you will learn how to maximise the potential of your available resources. You will get the opportunity to do work that helps you master a variety of transferable skills, or skills that are relevant across roles and departments. You will be feeling appreciated and valued for the work you delivered. We are creating a unique company culture that embodies respect and honesty, which will create more loyal employees than a company that simply shells out cash. We trust our employees and their voice and ask for their opinions on important business issues.

About Nutrabay: Nutrabay is the largest health & nutrition store in India. Our vision is to keep growing, have a sustainable business model, and continue to be the market leader in this segment by launching many innovative products. We are proud to have served over 1 million customers uptill now, and our family is constantly growing. We have built a complex and high-converting eCommerce system, and our monthly traffic has grown to a million. We are looking to build a visionary and agile team to help fuel our growth and contribute towards further advancing the continuously evolving product.

Funding: We raised $5 million in a Series A funding.