Senior Java Developer

Company Description At Polygon Technology, we specialize in building cutting-edge software solutions that empower businesses around the world. With a strong focus on innovation, quality, and user experience, we are proud to deliver high-performance applications across platforms. Our team is driven by a passion for technology, a commitment to excellence, and a collaborative spirit.

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.

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

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

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

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

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

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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.

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

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Strong expertise in:

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Spring Framework / Spring Boot

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Hibernate / JPA

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

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

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

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

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

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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)