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Senior Java Software Engineer - Spring Boot Framework

Delphie Consulting services
Others
8 - 10 Years

Posted on: 12/08/2025

Job Description

Position Overview :

We are seeking a highly skilled Java + API Developer with strong expertise in building and maintaining backend services using Java 8/17, Spring Boot, and REST API frameworks. The ideal candidate will have hands-on experience with SQL/NoSQL databases, AWS cloud services, and API integration, along with a deep understanding of performance tuning, debugging, and security best practices.

Key Responsibilities :

Backend Development & API Engineering :

- Design, develop, and maintain backend applications using Java 8/17, Spring Boot, Spring MVC, and Spring JDBC.

- Build and maintain RESTful APIs ensuring high availability, scalability, and maintainability.

- Integrate APIs with frontend applications and third-party systems.

- Work on API Gateway configurations and API lifecycle management.

Cloud & AWS Integration :

- Develop and deploy services on AWS ECS, EC2, Lambda, IAM, and S3.

- Integrate backend applications with AWS API Gateway for secure and optimized API delivery.

- Collaborate with DevOps teams to automate deployments and optimize cloud resources.

Database Management :

- Work with MongoDB and MSSQL for schema design, query optimization, indexing, and performance tuning.

- Implement efficient data access patterns and ensure data consistency across systems.

Performance, Security & Testing :

- Conduct application performance engineering, monitoring, and optimization.

- Implement security best practices for APIs and backend services.

- Use Postman and other tools for API testing, debugging, and validation.

- Monitor system health and resolve performance bottlenecks.

Collaboration & Version Control :

- Work closely with frontend developers, QA engineers, and DevOps teams for smooth delivery.

- Use GIT for version control and maintain clean, well-documented code.


- Participate in code reviews and follow coding standards.

Required Technical Skills :

- Programming Languages : Java 8/17

- Frameworks : Spring Boot, Spring MVC, Spring JDBC

- API Technologies : REST API, API Gateway

- Databases : MSSQL, MongoDB (schema design, indexing, performance tuning)

- AWS Services : ECS, EC2, Lambda, IAM, S3, API Gateway

- Tools : Eclipse (or IntelliJ IDEA), Postman, GIT

- Others : Debugging, API Testing, Performance Optimization, Security Best Practices

Nice to Have : Knowledge of DevOps practices, application monitoring tools (e.g., CloudWatch, New Relic)

Qualifications :

- Bachelors or Masters degree in Computer Science, Information Technology, or related field.

- Proven experience in backend development and API engineering.

- Strong understanding of microservices architecture and distributed systems.

- Ability to work in a collaborative, Agile environment.

- Excellent problem-solving skills and attention to detail.


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