Senior Java Software Engineer

Client is a VC-backed, cloud-native B2B platform transforming how hotels connect with global demand. Founded by serial travel-tech entrepreneurs and backed by Highgate Technology Ventures (HTV), we’re building the next generation of hotel distribution—automated, scalable, and integrated directly with CRS/PMS systems.Scale that speaks for itself: • 1B+ search requests per day• 40ms average response time• 200M+ inbound messages daily• Live integrations with Hilton, Highgate, Wyndham — rapidly expanding across the US and EuropeWe’re a remote-first, high-growth company with a strong engineering culture. Over the past 18 months, we've tripled our team, achieved 100% year-over-year revenue growth, and continue to scale rapidly—with real revenue traction and a growing global footprint. Our focus remains on automation and low-latency infrastructure to power real-time connectivity at scale.Tech Stack Backend & Infra: Java (Spring Boot), Microservices, AWS ECS, Redis, ScyllaDB, MongoDB, GraphQL, AWS, Lambda, SQSData & AI: Databricks, Spark, Kinesis, Claude, Cursor, LangChainObservability: Prometheus, Grafana, CloudWatchRole : Senior Backend Engineer (Java / Microservices) Location: Remote (Work from Home) We’re hiring an experienced backend engineer (6-12 years) to help build scalable, real-time systems at the core of our global marketplace.Responsibilities ● Build and scale microservices with low-latency design & high-throughput for real-time hotel search and distribution.● Implement custom algorithms and data models to support pricing, availability, and inventory workflows.● Own end-to-end modules from design to rollout and collaborate with product/architect teams● Use AI developer tools (Claude, Cursor) and LLMs via prompts, RAG, and agents to accelerate development.● Participate in rigorous code reviews & contribute to a CI/CD pipeline that supports frequent, reliable, and automated deployments.Requirements ● 6+ to 12 years of hands-on experience in Java, Spring Boot, and Hibernate.● Strong experience with MySQL, MongoDB, or ScyllaDB.● Built distributed, event-driven systems using SQS, Kinesis; solid understanding of fault tolerance, backpressure, and scalability.● Familiarity with data consistency models, circuit breakers, internal DSLs, and low-latency API design.● Proficient with Grafana, Prometheus, CloudWatch; have tuned systems for high throughput and sub-50ms latencies.● Comfortable working in a remote-first team with a culture of ownership, documentation, and async communication.● Passion for clean code, testability, and driving engineering excellence via automation and tooling.Nice to Have ● Hands-on with LLM pipelines or agentic workflows● Exposure to React or full-stack systems● Experience with Spark or Databricks ● AI/ML ExposureWhy Join Us? ● Work on critical, high-scale systems for a global B2B marketplace● Work with high-scale, low-latency systems ● Use AI tools to boost your productivity in daily development and automate the boring stuff● Fully remote team with strong ownership culture

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