Senior Java Developer

Job Description

We are looking for an experienced Senior Java Developer who has 4–6 years of experience and can take ownership of designing and delivering high-quality backend solutions. The right candidate will not only write clean, scalable code but also bring architectural insight, leadership, and problem-solving skills to our growing engineering team.

• Application Development: Design, develop, and maintain enterprise-grade Java applications with strong focus on scalability, performance, and security.

• Backend Engineering: Build and optimize backend systems using Spring Boot, Hibernate, and REST APIs, ensuring smooth integration across services.

• Architecture & Scalability: Contribute to system design and microservices architecture, making sure solutions are future-proof and cloud-ready.

• Cross-functional Collaboration: Work closely with Product Managers, QA, and DevOps to deliver new features and enhancements that align with business goals.

• Code Quality & Mentorship: Lead by example in code reviews, testing, and documentation, while guiding junior developers to improve their technical skills.

• Performance & Reliability: Conduct profiling, debugging, and optimization to maintain system reliability under heavy loads.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or related field.

• 4–6 years of professional, hands-on Java development experience in high-performance applications.

• Strong expertise in:

  • Spring Framework / Spring Boot

  • Hibernate / JPA

  • SQL & NoSQL Databases (MySQL, PostgreSQL, MongoDB, etc.)

• Proven experience in Microservices architecture and Cloud platforms (AWS, Azure, or GCP).

• Solid understanding of design patterns, clean code principles, and software architecture best practices.

• Familiarity with CI/CD pipelines, Docker, and Kubernetes is a strong plus.

• Excellent problem-solving skills, debugging ability, and analytical thinking.

• Strong communication skills with the ability to collaborate across teams and lead discussions.

Additional Information

💡 Why Join Polygon Technology?

• Be part of a fast-growing tech company delivering data-driven solutions
• Work with cutting-edge technologies and mission-critical systems
• Collaborate with a skilled and experienced engineering team
• Competitive salary and growth-oriented environment

Other Information

• Salary Range: As per company policy
• Employment Type: Full Time
• Perks: Fully subsidized meals
• Routine: Sunday - Thursday
• Across Bangladesh (on-site required)