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Backend Developer - Java Spring Boot

Design and develop scalable microservices and APIs using Java and Spring Boot, deploying them on AWS cloud.

  • Bengaluru, Karnataka, India
  • Full-time
  • On-site
  • Posted Nov 6, 2026
INDUSTRYSoftware & InternetSaaS & Enterprise SoftwareCloud & DevOps

Responsibilities

  • Design and develop scalable microservices and APIs.
  • Build backend applications using Java and Spring Boot.
  • Implement database optimization and caching strategies.
  • Deploy and support cloud-native applications on AWS.
  • Contribute to system architecture and performance improvements.

Requirements

  • Experience in a Engineering Services

Nice to have: React.js, Kafka/Event-Driven Architecture, GraphQL, Docker & Kubernetes, AWS ECS/EKS/Lambda, Terraform/Infrastructure as Code, Monitoring tools (Grafana, Prometheus, ELK), Performance Tuning, SonarQube, GitHub Copilot or Claude, Domain-Driven Design (DDD)

Skills

Java (Java 11/17+)Spring BootHibernate/JPAMicroservices ArchitectureREST API DevelopmentPostgreSQLRedisAPI Security (OAuth2, JWT)GitHub/GitAWS Cloud ServicesCI/CD and DevOps PracticesAgile/ScrumJavaSpring BootHibernateJPAPostgreSQLRedisAWSGitHubKafkaDockerKubernetesTerraformGrafanaPrometheusELKSonarQube

Full description

Job Requirements At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster. Experience 3-6Yrs Key Responsibilities Design and develop scalable microservices and APIs. Build backend applications using Java and Spring Boot. Implement database optimization and caching strategies. Deploy and support cloud-native applications on AWS. Contribute to system architecture and performance improvements. We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard. We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace. Work Experience React.js Must-Have Skills Java (Java 11/17+) Spring Boot Hibernate/JPA Microservices Architecture REST API Development PostgreSQL Redis API Security (OAuth2, JWT) GitHub/Git AWS Cloud Services CI/CD and DevOps Practices Agile/Scrum Good-to-Have Skills Kafka/Event-Driven Architecture GraphQL Docker & Kubernetes AWS ECS/EKS/Lambda Terraform/Infrastructure as Code Monitoring tools (Grafana, Prometheus, ELK) Performance Tuning SonarQube GitHub Copilot or Claude Domain-Driven Design (DDD)

Backend Developer - Java Spring Boot at Quest Global | Referso Jobs