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About the role
Job Summary We are looking for a skilled Senior Backend Developer to design and implement user experiences for job seekers and recruiters on our flagship - Duruper.com. You will manage the user operating environment, develop database structures, and oversee infrastructure in the AWS environment. Roles and Responsibilities Design and develop backend systems for Duruper.com and internal platforms Improve system architecture with a focus on scalability, reliability, and maintainability Solve complex technical problems and optimize system performance Contribute to code quality and consistency through thoughtful and in-depth code reviews Refactor existing codebases and reduce technical debt Collaborate closely with product managers, designers, and frontend engineers Leverage AI development tools (e.g., Claude Code, ChatGPT) to improve development efficiency Support junior engineers through technical guidance and contribute to raising the overall engineering quality of the team Mandatory Requirements 5–10 years of backend development experience Strong proficiency in Java 21, Spring Boot 3, and JPA/Hibernate Solid experience in system design and problem-solving in complex environments Strong code quality standards and the ability to provide meaningful feedback through code reviews Experience with PostgreSQL, including data modeling and performance optimization Hands-on experience using AI-assisted development tools (e.g., Claude Code, ChatGPT) in real-world workflows Ability to take ownership of problems and drive them to resolution independently. Preferred Qualifications Experience working on high-traffic or complex domain services Experience with large-scale refactoring or legacy system improvements Experience improving developer productivity through tooling or automation Ability to clearly communicate technical decisions and trade-offs in a collaborative environment
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