Java Full Stack Developer - Spring Boot / React.js
CUBE CONSULTANCY SERVICESDelhi, IN3 days ago
Job type
- Remote
Job description6 to 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. 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.
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 :
Nice to Have :
(ref : hirist.tech)
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Java Developer • Delhi, IN
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