Delphie Consulting services
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.
(ref:hirist.tech)
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