Senior Java developer

Relinns Technologies Pvt. Ltd.; Mohali; On-site; INR 2,000,000 - 3,400,000; Full time

Job summary

Relinns Technologies Pvt. Ltd. in Mohali is seeking a Senior Java Developer to design, develop, and maintain high‑performance backend applications using Java, Spring Boot, and microservices.

You will build robust REST APIs, optimize queries, and ensure code quality within an Agile team. You will mentor junior developers, participate in architectural decisions, and contribute to best practices across the project.

Qualifications

• Bachelor's degree preferred in CS/IT or related field.
• 5–8 years of hands‑on Java backend development experience.
• Strong knowledge of Java 17+ and Spring Boot, REST APIs, and microservices.

Responsibilities

• Design, develop, test, and maintain scalable backend apps with Java and Spring Boot.
• Build and maintain RESTful APIs and microservices with clean coding practices.
• Design efficient DB queries, data models, and persistence solutions.
• Write unit/integration tests and contribute to automated testing.
• Troubleshoot production issues, perform root‑cause analysis, and improve performance.
• Mentor junior developers and contribute to engineering standards.
• Collaborate in Agile/Scrum with cross‑functional teams.
• Use Git and Maven for source control and build management.
• Work with Docker and Linux environments for development and deployment.
• Follow secure coding practices and contribute to documentation.
• Assist HR/Operations on tech issues when needed.
• Undertake additional responsibilities as required.

Skills

Java backend development

Java 17+

Spring Boot

REST APIs

Microservices architecture

Object-oriented programming

Relational databases (PostgreSQL/MySQL

NoSQL databases

JUnit & Mockito

Git

Maven

Linux/Unix

Agile/Scrum

Debugging complex issues

Code quality & best practices

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Tools

Git

Maven

Docker

Linux/Unix

Jenkins

Ansible

Terraform

Kubernetes

Job description

We’re looking for an experienced and proactive Senior Java Developer to join our team in Mohali.

Relinns

At Relinns Technologies, we live and breathe innovation, reliability, and speed! Founded by an IIM alumnus, we have established ourselves as a fast-growing tech company, pushing boundaries and crafting cutting-edge solutions for global clients like Apollo Tyres, Khatabook, and Manchester City Football Club. Our in-house product BotPenguin, a leading AI-powered chatbot builder, is revolutionizing how businesses engage with customers.

We believe in fostering a culture of learning, collaboration, and ownership, ensuring that every team member thrives in an intellectually stimulating and supportive work environment. With flexible working hours, team-building activities, and a passion-driven atmosphere, we empower our engineers to build, innovate, and grow.

The Role

As a Senior Java Developer, you will play a key role in designing, developing, and maintaining scalable, reliable, and high-performance backend applications. You will work extensively with Java, Spring Boot, REST APIs, and microservices architecture to build robust software solutions.

You will collaborate with cross-functional teams to deliver high-quality applications, troubleshoot production issues, optimize performance, and contribute to technical decisions, code quality, and engineering best practices. This role also offers opportunities to mentor junior developers and contribute to the continuous improvement of development processes.

What You Need for This Role

• Education: A Bachelor's degree in Computer Science, Information Technology, or a related field is preferred.
• Experience: 5–8 years of hands‑on experience in Java backend development.
• Technical Skills:
  • Strong knowledge of Java 17 or higher, or equivalent experience with the Java versions used in the project.
  • Extensive experience with Spring Boot, REST APIs, and microservices architecture.
  • Strong understanding of object‑oriented programming, design patterns, exception handling, and Java collections.
  • Experience with relational databases such as PostgreSQL, MySQL, or Oracle, including SQL query optimization.
  • Familiarity with NoSQL databases where relevant to the application.
  • Experience writing unit and integration tests using JUnit and Mockito.
  • Proficiency in Git, Maven, and Linux/Unix environments.
  • Working knowledge of Docker and containerized application deployment.
  • Understanding of Agile/Scrum methodologies and collaborative software development practices.
  • Ability to debug complex issues and develop maintainable, production‑ready code.
• Good to Have:
  • Experience with Apache Kafka or other event‑driven messaging systems.
  • Familiarity with CI/CD tools such as Jenkins or equivalent platforms.
  • Experience with infrastructure automation tools such as Ansible or Terraform.
  • Exposure to container orchestration platforms such as Kubernetes or Docker Swarm.
  • Knowledge of Bash scripting for automation.
  • Experience with application monitoring, logging, performance tuning, and distributed tracing.
  • Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Soft Skills:
  • Strong problem‑solving and analytical skills.
  • Good communication and collaboration skills.
  • Ability to take ownership of tasks and deliver solutions independently.
  • Willingness to contribute to code quality, technical improvements, and team development practices.

What You Will Be Doing

• Design, develop, test, and maintain scalable backend applications using Java and Spring Boot.
• Build and maintain RESTful APIs and microservices using clean coding principles and established design patterns.
• Design and implement efficient database queries, data models, and persistence solutions.
• Write unit and integration tests and contribute to automated testing practices.
• Troubleshoot production issues, perform root‑cause analysis, and improve application performance and reliability.
• Participate in technical discussions, code reviews, and architectural decisions.
• Collaborate with product managers, QA engineers, DevOps engineers, and other developers in an Agile/Scrum environment.
• Use Git and Maven for source control and build management.
• Work with Docker and Linux/Unix environments to support application development and deployment.
• Follow secure coding practices and contribute to technical documentation and engineering standards.
• Mentor and guide junior developers, share technical knowledge, and support their professional development.
• Assist the HR and Operations teams with technical issues, troubleshooting, or other technology‑related requirements, whenever needed.
• Undertake additional responsibilities and tasks as deemed appropriate by the company based on business and project requirements.

Top Reasons to Work With Us

• Be part of a technology‑driven company delivering innovative solutions for global clients.
• Work with a passionate and talented team that values knowledge‑sharing and problem‑solving.
• Grow in a collaborative, learning‑focused environment with opportunities to take ownership of technical decisions.
• Gain exposure to scalable backend systems, microservices, cloud technologies, and modern development practices.
• Contribute to impactful projects and continuous engineering improvements.
• Work in an environment that encourages creativity, collaboration, and professional growth.

Work Location

Join us and build scalable, high-performance software solutions with Relinns Technologies!

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Relinns is proud to be an equal opportunity employer. We are committed to building a workforce that is representative of the users we serve, creating a culture of belonging, and providing an equal employment opportunity regardless of race, creed, color, religion, gender, sexual orientation, gender identity or any other basis protected by law.

Job Summary

Location

Job Type

Full-time

Date Posted

Posted 1 day ago

Experience

Experience: 5 - 8

Working Hours

10 AM - 7 PM

Working Days

5 days | 2nd & 4th Saturday