Fullstack Developer

Hotel Trader; New York (NY); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Hotel Trader is seeking a senior full-stack engineer in New York to build end-to-end features across React frontends and Java (Spring Boot) microservices with database integrations. You will develop responsive UIs, integrate with REST/GraphQL APIs, and design real-time data workflows.

The role emphasizes event-driven architectures, caching, and scalable solutions, with collaboration across product, design, and architecture teams.

Qualifications

• 6-10 years of full-stack development experience.
• Strong proficiency in React.js, JavaScript/TypeScript, Redux (or similar state management).
• Backend experience with Java, Spring Boot, Hibernate.

Responsibilities

• Build and maintain end-to-end features spanning React.js frontends and Java (Spring Boot) microservices and database integrations.
• Develop responsive, performant, and accessible UIs integrated with REST and GraphQL APIs.
• Design and scale low-latency, high-throughput microservices for real-time data workflows.
• Implement event-driven systems using Kafka or SQS for asynchronous communication.
• Collaborate with product, design, and architecture teams to translate requirements into scalable solutions.
• Optimize application performance via caching, async processing, and database tuning.
• Implement and maintain CI/CD pipelines, test automation, and monitoring frameworks.
• Leverage AI-assisted tools to boost velocity and maintain code quality.
• Participate in code reviews, design discussions, and architecture decisions.
• Write clean, maintainable code, follow design patterns, and document key technical decisions.

Job description

Responsibilities:

• Build and maintain end-to-end features spanning React.js frontends and Java (Spring Boot) microservices and database integrations.


• Develop responsive, performant, and accessible UIs integrated with REST and GraphQL APIs.


• Design and scale low-latency, high-throughput microservices for real-time data workflows.


• Implement event-driven systems using Kafka or SQS for asynchronous communication.


• Collaborate closely with product, design, and architecture teams to translate business requirements into scalable technical solutions.


• Optimize application performance via caching strategies, async processing, and database tuning.


• Implement and maintain CI/CD pipelines, test automation, and monitoring frameworks.


• Leverage AI-assisted tools (Claude, Cursor, etc. ) to boost velocity and maintain code quality.


• Participate in code reviews, design discussions, and architecture decisions.


• Write clean, maintainable code, follow design patterns, maintain high test coverage, and document key technical decisions.

Requirements:

• 6-10 years of full-stack development experience with a proven track record in production systems.


• Strong proficiency in React.js, JavaScript/TypeScript, Redux (or similar state management), and modern frontend frameworks.


• Solid backend experience with Java, Spring Boot, and Hibernate.


• Database experience with MySQL, MongoDB, or ScyllaDB.


• Hands-on with microservices, AWS (ECS/Lambda), SQS, and GraphQL.


• Familiarity with event-driven architectures and caching layers (Redis) and asynchronous processing.


• Working knowledge of observability tools (Prometheus, Grafana, CloudWatch, Sentry).


• Understanding of data structures, algorithms, and system design fundamentals.


• Passion for clean code, testability, and engineering excellence.


• Strong analytical and communication skills with the ability to collaborate across product, design, and QA teams.


• Comfortable in a remote-first, asynchronous, and ownership-driven culture.

Nice to Have:

• Experience with React Native or mobile web frameworks.


• Exposure to Kafka, Kinesis, or other event-streaming platforms.


• Familiarity with CI/CD (GitHub Actions, Docker) and container orchestration (ECS).


• Experience with AI-assisted development, LLMs, or LangChain pipelines.


• Domain exposure to B2B platforms, travel tech, or high-scale marketplaces.


• Background in Test-Driven Development (TDD) or Agile methodologies.