Senior Software Engineer

**Job DescriptionBlue Enigma – Senior Software Developer (Backend + System Design)**📍 Location: Hybrid (Noida ,India) 🕒 Experience: 4-8 Years 📅 Employment Type: Full-Time 💰 Compensation: 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 platformAn AI-powered price & demand forecasting systemHigh-scale, distributed backend microservicesReal-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 forecastingScalable, event-driven backend systemsHigh-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 & DevelopmentDesign, build, and scale backend microservices using Node.js (Primary)Architect modular APIs for PMS/CMS, bookings, payments, inventory managementBuild long-lifecycle services for pricing, demand forecasting, and schedulingImplement database schemas for high-concurrency workflows (SQL & NoSQL)2. AI Layer IntegrationWork with data/AI teams to integrate Python forecasting modelsDesign data pipelines for demand signals, seasonality, and revenue patternsDevelop real-time pricing APIs that hotels can rely on for revenue decisions3. System Design & ScalingLead architectural decisions for multi-service environmentsImplement caching layers (Redis), queues (RabbitMQ/SQS), and message brokersEnsure zero-downtime deployments and robust failover strategiesRefactor systems from MVP → enterprise-grade reliability4. Leadership, Collaboration & Code QualityMentor interns and mid-level developersReview pull requests with attention to design quality and performanceWork closely with frontend and AI teams to deliver complete featuresOwn documentation, sprint planning, architectural diagrams 🔹 What You’ll BringRequired Technical Skills4+ years of backend engineering experienceStrong expertise in Node.js (Express/NestJS)Excellent understanding of microservices, distributed systems, and event-driven designStrong command of PostgreSQL/MySQL & MongoDBExperience with queues (RabbitMQ, Kafka, SQS)Deep understanding of APIs, authentication (JWT/OAuth), and securityPreferred ExperiencePython microservices for analytics or ML integrationsExposure to Java/Spring Boot for future high-scale modulesExperience building SaaS platforms or PMS/booking systemsStrong 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 SkillsExperience with large dataset processing or time-series forecastingPrior work in hospitality, travel-tech, fintech, or marketplace systemsExperience optimizing distributed systems under loadAbility to convert business requirements into reliable architecture 🔹 What We OfferOpportunity to build the core architecture of a global PMS/CMS AI platformHigh ownership, autonomy, and direct influence over technical directionCompetitive salary + ESOP opportunitiesWork with a deeply technical leadership teamFast-paced, product-first startup cultureBuild systems that will be used by thousands of hotels globally 🔹 How to ApplySend your:ResumeGitHub / PortfolioAny 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.