Technical Lead - Java & Node

Happiest Minds Technologies; Bengaluru; Hybrid; INR 1,200,000 - 1,800,000; Full time

Job summary

Happiest Minds Technologies is seeking a Java + Node.js Developer to design, develop, and maintain scalable backend applications and APIs in Bengaluru. You will work with Java/Spring Boot and Node.js, building RESTful services and microservices while integrating with PostgreSQL, MySQL, MongoDB, or Oracle.

Collaboration with cross-functional teams and rigorous testing are essential. The ideal candidate has hands-on experience with databases, cloud platforms, and modern development practices, and

Qualifications

• Bachelor's degree in CS, IT, or related field.
• Experience with Java, Spring Boot and Node.js.
• Hands-on experience with PostgreSQL, MySQL, MongoDB, or Oracle.

Responsibilities

• Develop scalable backend apps using Java, Spring Boot and Node.js.
• Design RESTful APIs and microservices.
• Work with databases and ensure data integrity.
• Collaborate with frontend, DevOps, QA and product teams.
• Write unit and integration tests and perform code reviews.

Skills

Java

Spring Boot

Node.js

REST APIs

Microservices

Databases

Education

Bachelor's degree

Computer Science / IT

Tools

PostgreSQL

MySQL

MongoDB

Oracle

Job description

We are looking for a skilled Java + Node.js Developer to design, develop, and maintain scalable backend applications and APIs. The ideal candidate should have strong experience with Java/Spring Boot and Node.js, along with hands-on knowledge of databases, REST APIs, cloud platforms, and modern development practices.

Key Responsibilities

• Develop scalable and high-performance applications using Java, Spring Boot, and Node.js.
• Design and implement RESTful APIs and microservices.
• Build, integrate, and maintain backend services using Java and Node.js.
• Work with databases such as PostgreSQL, MySQL, MongoDB, or Oracle.
• Implement authentication, authorization, logging, error handling, and API security.
• Write clean, maintainable, and well-tested code.
• Develop unit and integration tests.
• Troubleshoot production issues and optimize application performance.
• Collaborate with frontend developers, DevOps engineers, QA, and product teams.
• Participate in code reviews and contribute to technical design decisions.
• Work with CI/CD pipelines and cloud environments.

Education

Bachelors degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.