Senior Software Engineer (Fullstack / backend)

What You Will Do

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

What You Will Be Responsible For

Database performance and scalability including query optimization, indexing strategies, and data modelling 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

What You Will Need

6+ 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

Nice to Have

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