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Senior Backend Developer
Senior Backend DeveloperStealth Startup • Pushkar, IN
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Senior Backend Developer

Senior Backend Developer

Stealth Startup • Pushkar, IN
4 days ago
Job description

Senior Backend Developer (Java) – Blue Enigma

📍 Location : Hybrid (Sector – 132 , Noida , India)

💼 Role Type : Full-Time

🔹 Company Description

Blue Enigma is a deep-tech, AI & product engineering company building next-generation systems at the intersection of AI, distributed systems, and global-scale web platforms .

We are operating in Stealth Mode, creating the backend infrastructure that powers :

  • Global hotel & flight booking engines
  • AI-driven dynamic pricing & demand forecasting systems
  • High-traffic search, inventory, and reservation microservices
  • Scalable travel-tech platforms engineered for millions of users
  • Real-time integrations with payment gateways, suppliers & GDS APIs

You will join the core engineering team building the foundation for a world-class travel platform — architecting search, pricing, booking, payments, and availability systems that compete with players like Booking.com & MakeMyTrip.

🔹 About the Role – Senior Backend Developer (Java / Spring Boot)

We are hiring Senior Backend Developers with strong Java expertise to design and build mission-critical backend systems for our global travel infrastructure.

  • Search & availability engines
  • Pricing & margin systems
  • Booking and payment orchestration
  • Distributed microservices for travel inventory
  • High-performance APIs serving millions of requests
  • This is a high-ownership, high-impact role where you shape the core product that powers all user-facing flows.

    🔹 Responsibilities

    Backend Architecture & Microservices

  • Architect and develop backend systems using Java 11+, Spring Boot, JPA / Hibernate
  • Build scalable APIs for hotels, flights, bookings, payments, and user systems
  • Design domain models, state machines, queues, caching layers, and workflows
  • Implement idempotency, retries, consistency guarantees, and fault tolerance
  • Search, Pricing & Booking Flows

  • Build low-latency services for search, filtering, availability, and pricing
  • Integrate with internal pricing engines and caching systems
  • Work on booking flows requiring transactional correctness and reliability
  • Integrations

  • Integrate with external travel suppliers, hotel partners, GDS / NDC APIs
  • Integrate with payment gateways (Razorpay, Stripe, PayU, UPI)
  • Handle API authentication, rate limits, SLA constraints, and failover logic
  • Performance, Reliability & Observability

  • Implement circuit breakers, fallbacks, rate limiting (Resilience4J)
  • Optimize APIs for high throughput and sub-200ms latencies
  • Work with logs, metrics, dashboards, and distributed tracing
  • Collaborate with DevOps on AWS deployments, CI / CD, and scaling
  • Team Leadership

  • Review code, support junior engineers, and enforce best practices
  • Drive technical decisions, architecture reviews, and sprint planning
  • 🔹 What You’ll Bring

    Must Have

  • 4+ years experience in backend development
  • Strong proficiency in Java 11+ , Spring Boot, REST APIs
  • Experience designing and scaling microservices
  • Strong database skills (PostgreSQL / MySQL) including indexing & optimization
  • Experience with caching : Redis / ElastiCache
  • Hands-on experience with queues : Kafka / RabbitMQ / SQS
  • Strong understanding of :
  • Transaction boundaries
  • Concurrency
  • Distributed systems fundamentals
  • Idempotency and consistency patterns
  • Experience with Docker, CI / CD, and cloud environments (AWS preferred)
  • Nice to Have

  • Experience with travel-tech, booking systems, payments, inventory, or search
  • Experience with OpenSearch / Elasticsearch
  • Exposure to GDS / NDC , hotel suppliers, or B2B integrations
  • Knowledge of gRPC, DDD, or hexagonal architecture
  • Experience with high-traffic consumer apps
  • Mindset (Important)

  • Ownership-driven, reliable, and detail-oriented
  • Passion for system design, scalability, and backend craftsmanship
  • Thrives in fast-paced, high-autonomy startup environments
  • 🔹 What We Offer

  • Chance to architect global-scale travel infrastructure
  • Great Work Culture & Great People
  • Work on high-performance systems used by millions
  • Opportunity to design modules from scratch (no legacy baggage)
  • Remote-first work culture with complete autonomy
  • Fast career growth into Tech Lead / Principal Engineer roles
  • Access to AI-driven engineering workflows, tooling & automation
  • Contribute to patents, internal frameworks, and open-source releases
  • Good Amount of ESOPs
  • 🔹 How to Apply

    Send your resume + GitHub / Kaggle / portfolio link .

    Or DM us directly here on .

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    Senior Backend Developer • Pushkar, IN

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