Job Description:

ABOUT THE ROLE:
We are looking for an Integration Engineer to build and maintain reliable integration services using Java 17+ and Python 3.11+. The role will involve Spring Boot/FastAPI development, APIs, messaging, databases, Docker, CI/CD, and observability while working closely with senior engineers.

KEY RESPONSIBILITIES:
• Develop REST APIs and integration services using Spring Boot or FastAPI, including validation, error handling, and pagination.
• Develop Python services using FastAPI, async/await, Pydantic, and async httpx.
• Build RabbitMQ/SQS producers and consumers with retries and dead-letter handling.
• Implement API security using Spring Security, JWT, role-based access, and FastAPI security.
• Develop unit and integration tests using JUnit 5, Mockito, pytest, and Testcontainers.
• Containerize services using Docker and support deployments through Jenkins.
• Follow Git/Bitbucket PR workflows and contribute to code reviews.
• Implement structured logging and tracing using ELK/Kibana and Zipkin.
• Work with AWS environments and troubleshoot integration issues.

REQUIRED SKILLS:
• Solid Core Java knowledge including OOP, collections,



streams, exceptions, concurrency basics, and Java 17 features.
• Hands-on Spring Boot experience with REST, Data JPA, validation, profiles, and @ControllerAdvice.
• Familiarity with Spring Security, JWT, and role-based access.
• Hands-on Python experience with FastAPI, Pydantic, async/await, and type hints.
• Understanding of microservices, API Gateway, service discovery, circuit breakers, and sync vs. async communication.
• Good knowledge of REST/HTTP, JSON, idempotency, and OAuth2/JWT basics.
• Hands-on SQL with PostgreSQL/MySQL, including joins, indexes, and transactions.
• Hands-on Git/Bitbucket experience.
• Familiarity with Docker, Dockerfile, and Docker Compose.

GOOD TO HAVE:
• RabbitMQ/SQS and async Python microservices.
• Jenkins and CI/CD pipeline troubleshooting.
• AWS: EC2, S3, SQS, Lambda.
• Kibana and Zipkin.
• SOAP/XML, CSV, and SFTP integrations.
• Webhook security using HMAC.
• Flyway/Liquibase, Alembic, and Redis.
• SonarQube and dependency scanning.

📌 Integration Engineer (Java Python) (Ahmedabad)
🏢 Mantras2Success
📍 Ahmedabad