Full Stack Developer (Java | Cloud | Spring Boot | React)

Full Stack Developer

Key Responsibilities:

Backend Development

• Design and develop

  microservices

  using

  Java 8/11

  and

  Spring Boot

  .
• Work with

  AWS services

  (e.g.,

  S3

  ) including generating and managing

  pre-signed URLs

  .
• Configure and manage

  Kafka producers/consumers

  with efficient offset handling.
• Implement

  global exception handling

  using @ControllerAdvice.
• Apply

  transaction management

  and implement

  circuit breaker patterns

  (e.g.,

  Resilience4j, Hystrix

  ).
• Ensure

  thread safety

  in concurrent environments.
• Monitor, troubleshoot, and optimize

  API performance and latency

  .

Frontend Development

• Build

  responsive, secure, and high-performance UIs

  using

  React, Redux, and React Hooks

  (useMemo, useCallback).
• Manage

  complex state handling

  and integrate APIs effectively.
• Implement

  Server-Side Rendering (SSR)

  using frameworks like

  Next.js

  .
• Apply

  frontend security best practices

  to ensure secure communication with backend services.

Database

• Write and optimize

  complex SQL queries

  , including advanced querying techniques (e.g., second-highest salary without using LIMIT/TOP).
• Ensure

  database performance tuning

  and efficient data handling.

Required Skills & Experience:

Backend

• Strong proficiency in

  Java 8/11

  , including differences and new features.
• Expertise in

  Spring Boot, REST API development, and exception handling

  .
• Hands-on experience with

  Kafka setup, configuration, and offset management

  .
• Proficient with

  AWS S3

  operations and

  pre-signed URL generation

  .
• Knowledge of

  transaction management in distributed systems

  .
• Strong understanding of

  circuit breaker patterns (Resilience4j/Hystrix)

  .
• Familiarity with

  API security standards

  (OAuth2, JWT, HTTPS).

Frontend

• Deep understanding of

  React internals

  (Virtual DOM, React Fiber, event handling).
• Experience with

  Redux

  and advanced state management (e.g., useSelector).
• Proficiency in

  React Hooks

  (useMemo, useCallback) for performance optimization.
• Experience with

  SSR frameworks

  (e.g., Next.js).
• Expertise in

  REST API integration

  and error handling.

Database

• Strong SQL skills with focus on

  query optimization

  .
• Ability to write

  complex queries without LIMIT/TOP clauses

  .

General

• Excellent

  debugging and performance troubleshooting

  skills.
• Strong understanding of

  thread safety, concurrency, and multi-threaded environments

  .
• Knowledge of

  full-stack security best practices

  .

Preferred Qualifications

• Experience in

  cloud-native application development

  .
• Familiarity with

  CI/CD pipelines

  (Jenkins, GitHub Actions, GitLab CI, etc.).
• Exposure to

  monitoring and logging tools

  (Prometheus, ELK, AWS CloudWatch).
• Understanding of

  DevOps practices, containerization (Docker, Kubernetes)

  .