Senior Java Developer

2 weeks ago

Dhaka, Dhaka, Bangladesh Polygon Technology Full time $104,000 - $130,878 per year
Company Description

Founded in 2021, Polygon Technology is driven by a bold vision—Chasing Infinity. We are home to passionate innovators who believe technology should not only solve today's challenges but also unlock tomorrow's possibilities.

We specialize in building solutions that are scalable, future-ready, and impactful, empowering businesses to grow with confidence, convenience, and collaboration. Our work goes beyond delivering projects—we craft digital experiences that inspire trust and accelerate transformation.

50M+ Users Impacted

100+ Projects Delivered

100+ Happy Clients

At Polygon, infinity isn't just a concept—it's our commitment to pushing boundaries, exploring possibilities, and creating technology without limits.

Job Description

We are looking for an experienced Senior Java Developer (4–6 years) who 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.

Key Responsibilities

  • 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

Perks & Benefits

  • Flexible working hours
  • Unlimited tea and coffee
  • Fully subsidized lunch and snacks
  • Afternoon playtime to refresh your mind
  • Green and eco-friendly campus
  • 2 weekly holidays (Friday & Saturday)
  • 35+ days of yearly leave
  • Company-sponsored yearly tour
  • Annual salary increments (twice a year)
  • 2 Festival Bonuses

Additional Information

  • Job Location: On-site, Banani, Dhaka
  • Working Days: Sunday to Thursday
  • Employment Type: Full-Time
  • Salary: Competitive, as per company policy

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