Senior Software Engineer

**Job DescriptionBlue Enigma – Senior Software Developer (Backend + System Design)**Location: Hybrid (Noida ,India)Experience: 4-8 YearsEmployment Type: Full-TimeCompensation: Competitive + Performance Incentives + ESOP (for exceptional candidates)Company DescriptionBlue Enigma is a deep-tech, AI & product development company operating in Stealth Mode, building next-generation technology for the travel, hospitality, and AI infrastructure sectors.We are currently developing:- A full-scale PMS (Property Management System)- A CMS + booking engine platform- An AI-powered price & demand forecasting system- High-scale, distributed backend microservices- Real-time property, room, and inventory managementThis is an opportunity to join the core engineering team responsible for building the foundational architecture of a global-scale hospitality platform.About the Role – Senior Software DeveloperWe are hiring a Senior Software Developer who can own backend architecture, lead critical system design decisions, and guide junior engineers through complex modules.You will work directly with the on the design and implementation :- PMS modules (bookings, rates, availability, payments, reports)- CMS modules (dynamic website builder, content engine)- AI-integrated microservices for pricing and forecasting- Scalable, event-driven backend systems- High-availability infrastructure for real-time operationsThis is a high-ownership, high-impact role for engineers who want to build products from scratch and scale them to thousands of properties globally.Responsibilities1. Backend Architecture & Development- Design, build, and scale backend microservices using Node.js (Primary)- Architect modular APIs for PMS/CMS, bookings, payments, inventory management- Build long-lifecycle services for pricing, demand forecasting, and scheduling- Implement database schemas for high-concurrency workflows (SQL & NoSQL)2. AI Layer Integration- Work with data/AI teams to integrate Python forecasting models- Design data pipelines for demand signals, seasonality, and revenue patterns- Develop real-time pricing APIs that hotels can rely on for revenue decisions3. System Design & Scaling- Lead architectural decisions for multi-service environments- Implement caching layers (Redis), queues (RabbitMQ/SQS), and message brokers- Ensure zero-downtime deployments and robust failover strategies- Refactor systems from MVP → enterprise-grade reliability4. Leadership, Collaboration & Code Quality- Mentor interns and mid-level developers- Review pull requests with attention to design quality and performance- Work closely with frontend and AI teams to deliver complete features- Own documentation, sprint planning, architectural diagramsWhat You’ll BringRequired Technical Skills- 4+ years of backend engineering experience- Strong expertise in Node.js (Express/NestJS)- Excellent understanding of microservices, distributed systems, and event-driven design- Strong command of PostgreSQL/MySQL & MongoDB- Experience with queues (RabbitMQ, Kafka, SQS)- Deep understanding of APIs, authentication (JWT/OAuth), and securityPreferred Experience- Python microservices for analytics or ML integrations- Exposure to Java/Spring Boot for future high-scale modules- Experience building SaaS platforms or PMS/booking systems- Strong system design fundamentals (high throughput + low latency systems)- Knowledge of DevOps: Docker, CI/CD, cloud infrastructure (AWS/GCP/Azure)- Experience with caching, rate limiting, and performance tuningBonus Skills- Experience with large dataset processing or time-series forecasting- Prior work in hospitality, travel-tech, fintech, or marketplace systems- Experience optimizing distributed systems under load- Ability to convert business requirements into reliable architectureWhat We Offer- Opportunity to build the core architecture of a global PMS/CMS AI platform- High ownership, autonomy, and direct influence over technical direction- Competitive salary + ESOP opportunities- Work with a deeply technical leadership team- Fast-paced, product-first startup culture- Build systems that will be used by thousands of hotels globallyHow to ApplySend your:- Resume- GitHub / Portfolio- Any relevant architectural diagrams or case studies- Or DM us directly on LinkedIn.At Blue Enigma, Senior Developers are not just coders — they are architects of the future.Your work will define the backbone of a global hospitality technology ecosystem.