Java Backend Engineer (4 to 6 Years of Experience)

Role Overview

Java Backend Engineer

Key Responsibilities

• Design and develop scalable

  Java/Spring Boot microservices

  for high-volume transactions.
• Build

  REST APIs

  and event-driven services using

  Apache Kafka

  .
• Design and deploy applications on

  AWS

  .
• Work with

  MySQL/PostgreSQL

  , including data modeling, query optimization, and performance tuning.
• Participate in system design, architecture discussions, code reviews, and pair programming.
• Own the end-to-end development lifecycle including development, testing, deployment, and production support.
• Ensure solutions meet

  security, reliability, scalability, and compliance

  standards.
• Troubleshoot production issues and improve application performance and resiliency.
• Collaborate with product, architecture, DevOps/SRE, and other engineering teams.

Must-Have Skills

• 4–6 years

  of backend software development experience.
• Strong hands-on experience with

  Java and Spring Boot

  .
• Strong experience in

  Microservices and REST API development

  .
• Hands-on experience with

  Apache Kafka

  and event-driven architecture.
• Experience with

  AWS

  cloud services.
• Strong experience with

  MySQL and/or PostgreSQL

  .
• Good understanding of

  distributed systems, scalability, resiliency, and performance optimization

  .
• Experience with

  JUnit/Mockito, Git, CI/CD

  , and production troubleshooting.
• Strong understanding of secure coding and software development best practices.

Good-to-Have Skills

• Docker and Kubernetes

• AWS ECS/EKS, Lambda, S3, RDS, DynamoDB, SQS/SNS, CloudWatch

• Redis / Elasticsearch

• Terraform / Infrastructure as Code

• Jenkins / GitHub Actions / GitLab CI

• Prometheus, Grafana, Datadog, or Splunk

• Kafka Streams / Kafka Connect
• Experience in

  payments, financial services, fraud detection, or other high-volume transaction platforms

• Knowledge of

  Python or other server-side languages

Education: