Job Description :

Lead Full Stack Engineer

Bengaluru - Onsite - Full-time

5 - 7 years - Lead / Senior IC

Build at the scale of billions of events

LeadSquared is a Sales Execution and Marketing Automation SaaS platform trusted by 2,000+ enterprises across 40+ countries.

Our platform processes 2B+ events every day.

We're building the world's best CRM and solving real engineering problems at serious scale.

The Role :

We're looking for a Lead Full Stack Engineer with strong JavaScript/TypeScript expertise across Node.js and React.js.

This is a hands-on technical leadership role where you'll build scalable systems, solve complex engineering problems, mentor engineers, and influence architecture and technical direction.

You won't just write code. You'll own problems end-to-end.

What You'll Own :

- Build and ship production-grade features across Node.js and React.js.

- Design scalable APIs, microservices, and integrations.

- Build data pipelines and real-time systems using Kafka, Redis Streams, or similar.

- Own database design, performance, and scalability across SQL and NoSQL systems.

- Drive technical design reviews, code quality, and engineering practices.

- Mentor engineers and contribute to technical decisions.

- Build reliable, observable systems and improve production performance.

What We're Looking For:

- 5 - 7 years of hands-on full-stack engineering experience.

- Strong JavaScript/TypeScript, Node.js, and React.js expertise.

- Experience with APIs, microservices, and event-driven architecture.

- Strong SQL and experience with PostgreSQL/MySQL.

- Working knowledge of MongoDB, Redis, Elasticsearch, and PySpark.

- Experience with data pipelines, Kafka/RabbitMQ, cloud, Docker, Kubernetes, and CI/CD.

- Strong understanding of testing, code reviews, system design, and performance optimisation.

- Ability to mentor engineers and lead technical decisions.

Our Stack:

- Frontend: React.js, Redux/Zustand, Webpack/Vite

- Backend: Node.js, Express, NestJS, GraphQL, REST

- Data: Kafka, Redis Streams, ETL, dbt, Airflow

- Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch

- Infra: AWS/GCP, Docker, Kubernetes, Terraform, CI/CD

- Observability: Datadog, Grafana, OpenTelemetry, ELK

Why LeadSquared ?

- Real scale. Real ownership. Real engineering challenges.

- Build systems processing 2B+ events every day

- Work with enterprise customers across 40+ countries

- Own meaningful architecture and technical decisions

- Strong engineering culture focused on quality and technical depth

- Learning budget for courses, conferences, and certifications

- Competitive compensation, performance bonuses, and ESOPs

- Comprehensive health insurance