Java Backend Engineer (4 to 6 Years of Experience) (Bengaluru)

Company: Norwin Technologies
Job Location: Bengaluru, Karnataka, India
Employment Type: Full time
Experience Required: 4 - 6 years

Role Overview

We are looking for a Java Backend Engineer with 46 years of experience to design, develop, and scale high-performance backend services for fraud detection and prevention platforms.

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





46 years of backend software development experience.
Strong hands-on experience with Java and Spring Boot.
Solid experience in Microservices and REST API development.
Hands-on experience with Apache Kafka and event-driven architecture.
Experience with AWS cloud services.
Robust experience with MySQL and/or PostgreSQL.
Positive understanding of distributed systems, scalability, resiliency, and performance optimization.
Experience with JUnit/Mockito, Git, CI/CD, and production troubleshooting.
Solid 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:

Bachelor's degree in Computer Science, Engineering, IT, or a related technical field. .

📌 Java Backend Engineer 4 To 6 Years Of Experience Bengaluru
🏢 Norwin Technologies
📍 Bengaluru