Ascendion - Java Backend Developer - Data Structure & Algorithm

Title : Java Engineer

Location : Bangalore and Chennai (Hybrid) (3 days from office)

Experience : 6 to 9 Years relevant

Role Overview :

We are seeking an experienced Java Backend Developer (6+ years) to design and develop high-performance, scalable backend systems. The ideal candidate will have deep expertise in Java 8+, strong fundamentals in OOP, design patterns, data structures, and algorithms, as well as proven experience in integration tools and databases (MySQL or NoSQL). This role involves solving complex technical challenges, mentoring junior developers, and contributing to architectural decisions.

Key Responsibilities :

• Design, develop, and maintain backend services using Java 8+ (lambdas, streams, functional interfaces, etc.)
• Implement robust object-oriented solutions and apply design patterns effectively.
• Work with data structures and algorithms to optimize performance.
• Optimize code for efficiency, scalability, and maintainability.
• Implement multithreading and concurrency solutions for high-throughput systems.
• Develop and maintain system integrations with external / internal tools and platforms.
• Work with MySQL or NoSQL databases, including schema design, query optimization, and performance tuning.
• Participate in code reviews, technical discussions, and architectural design sessions.
• Mentor and guide junior engineers.

Required Skills & Experience :

(ref : hirist.tech)