Required Technical SkillsCore Java (Mandatory)

- Solid expertise in Java and Object-Oriented Programming principles.
- Solid understanding of Java internals, JVM concepts, exception handling, and performance optimization.

Multithreading & DSA (Mandatory)

- Hands-on experience with concurrency, synchronization, thread pools, and concurrent collections.
- Strong command of data structures and algorithms.

Collections & Memory Management (Mandatory)

- Deep understanding of Java Collections Framework.
- Knowledge of JVM memory management, garbage collection, heap analysis, and performance tuning.

System Design Basics (Mandatory)

- Understanding of scalable system design principles.
- Familiarity with microservices architecture, design patterns, caching, messaging systems, and distributed systems concepts.

SQL Depth (Mandatory)

- Strong SQL expertise including query optimization, indexing, joins, stored procedures, and database performance tuning.
- Experience working with relational databases such as Oracle, PostgreSQL, MySQL, or SQL Server.

Communication Skills (Mandatory)

- Excellent verbal and written communication skills.
- Ability to collaborate with business stakeholders, architects, and cross-functional teams.

Good to HaveDevOps & CI/CD

- Experience with CI/CD tools and automation pipelines.




- Exposure to Jenkins, GitHub Actions, GitLab CI, Docker, Kubernetes, or related DevOps technologies.

Generative AI (GenAI)

- Knowledge of Generative AI concepts and applications.
- Experience working with LLMs, AI-powered solutions, prompt engineering, RAG frameworks, or AI integrations will be an advantage.

Key Responsibilities

- Design, develop, and maintain high-performance Java applications.
- Write clean, scalable, and maintainable code following engineering best practices.
- Participate in architecture discussions and contribute to system design decisions.
- Optimize application performance, memory utilization, and database interactions.
- Collaborate with product managers, architects, QA teams, and stakeholders.
- Perform code reviews and mentor junior developers.
- Ensure high standards of software quality, reliability, and security.

Preferred Profile

- Bachelor's or Master's degree in Computer Science, Information Technology, or related field.
- Strong analytical and debugging skills.
- Passion for coding challenges and continuous learning.
- Experience in enterprise-scale systems and high-volume transaction processing environmentsRole & responsibilities

Preferred candidate profile

📌 Java Back End Developer (Bengaluru)
🏢 wissen technology
📍 Bengaluru