Staff/ Senior Fullstack/Backend Engineer
Location: Pune, Maharashtra, India
Department: Engineering
HG Insights is the pioneer of Revenue Growth Intelligence. For more than a decade, we have delivered comprehensive, AI-driven datasets on B2B buyers, technology adoption, IT spend, and buyer intent, sourced from billions of data points. Today, we are a trusted partner to Fortune 500 technology companies, hyperscalers, and innovative B2B vendors seeking precise go-to-market analytics and decision-making.
Through an evolving suite of AI agents that incorporate first-party data and buyer signals, HG Insights enables AI-powered GTM automation across sales, marketing, RevOps, and data analytics teams, modernizing GTM execution from strategy through activation.
- Develop robust microservices using NestJS/Node.js and TypeScript , building APIs for lead generation, vendor management, and intent resolution services
- Design and implement database architectures across PostgreSQL and MongoDB, including complex data models for B2B lead scoring, vendor relationships, and customer analytics
- Build secure authentication and authorization systems using Auth0, OAuth2, and JWT tokens for multi-tenant SaaS platform serving enterprise customers
- Integrate third-party services including LinkedIn APIs, Clearbit enrichment, Salesforce CRM, and payment processing systems with robust error handling and retry mechanisms
- Optimize API performance for high-throughput scenarios (10M+ requests/day) including caching strategies, query optimization, and load balancing
- Implement event-driven architectures using Google Cloud Pub/Sub for real-time data processing and inter-service communication
- Database performance and scalability including query optimization, indexing strategies, and data modeling for complex B2B relationships
- API security and compliance ensuring SOC2 standards for handling sensitive customer data and business intelligence
- Service reliability and monitoring with comprehensive logging, alerting, and performance metrics using tools like New Relic / DataDog and custom dashboards
- Code quality and technical debt management through rigorous code reviews, automated testing, and architectural improvements
- 5+ years backend development with Node.js/TypeScript and microservices architecture
- Strong database expertise with PostgreSQL (complex queries, performance tuning) and MongoDB (document design, aggregation pipelines)
- API design and integration experience with RESTful services, GraphQL, and third-party API consumption
- Authentication/authorization implementation with OAuth2, JWT, and enterprise SSO solutions
- Cloud platform proficiency with GCP services, containerization, and distributed systems
- B2B SaaS platform experience with lead generation or CRM integration
- Event-driven architecture with message queues and real-time processing
- Performance optimization for high-traffic enterprise applications
- LinkedIn API integration and social media platform development
- Python and Data pipelines
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