Java Backend Developer

4 days ago


Lahore, Punjab, Pakistan Ascertia Full time
Job Description:

We are seeking a highly skilled Senior Backend Developer to join our dynamic development team at Ascertia. In this role, you will play a key part in translating our product vision into high-quality, responsive web applications.

Key Responsibilities:
  • Design and develop scalable backend services using Java Spring Framework and related technologies.
  • Implement and maintain RESTful web services in a layered architecture.
  • Ensure high performance and responsiveness of applications by optimizing database queries and backend processes.
  • Manage and integrate databases using SQL and MySQL 5.7/8.
  • Implement authentication and authorization solutions using OAuth2 and OpenID Connect protocols.
  • Use and manage application containers like Docker to ensure consistent and scalable deployments.
  • Collaborate with frontend developers to integrate user-facing elements with server-side logic.
  • Write clean, maintainable, and well-documented code following best practices.
  • Test and debug backend applications using Java testing tools like JUnit 5 and Hamcrest.
Qualifications and Experience:
  1. Bachelor's degree in Computer Science, Information Technology, or a related field.
  2. 5+ years of experience in backend development with a strong portfolio of scalable web applications.
  3. Expertise in Java Spring Framework, including IoC container, Spring MVC, Spring Security, Spring ORM, Spring OXM, Spring TX, and Spring Batch.
  4. Proficiency in developing RESTful web services in a layered architecture.
  5. Strong knowledge of SQL and MySQL 5.7/8.
  6. Experience with MyBatis and JPA/Hibernate.
  7. Proficient understanding of OWASP security principles and application containers like Docker.
  8. Experience with Java testing tools such as JUnit 5 and Hamcrest.


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