Senior Full Stack Engineer (Kotlin)

Senior Full Stack Engineer (Kotlin) About Us Tech9 is shaking up a 20-year-old industry, and we're not slowing down.

Recognized by Inc.

5000 as one of the nation's fastest-growing companies, we are dedicated to building innovative, highly complex web applications.

Our team is passionate about delivering quality software that meets the highest standards.

We offer a 100% remote working environment with a collaborative and supportive team, allowing you to focus on what you do best.

Role Overview We are seeking a Senior Full Stack Engineer with a strong background in Kotlin and cloud-native development.

You will help design and implement microservices and AWS Lambda functions , while also contributing to our Ruby on Rails codebase.

This project involves both modern microservices development and the improvement of legacy systems , offering a unique opportunity to grow across technologies.

Responsibilities Kotlin Development : Build and maintain services and applications using Kotlin , with a focus on scalability and reliability.

Microservices & Cloud : Design and deploy microservices and AWS Lambda functions , leveraging event-driven architecture.

Ruby on Rails Contribution : Work with existing Rails codebases (or be willing to learn) to deliver features and improvements.

Collaboration : Partner with senior engineers, product managers, and designers to deliver high-quality solutions.

Code Quality : Write clean, maintainable code and participate in code reviews to ensure best practices.

Legacy System Support : Assist with maintaining and modernizing legacy components as part of the team’s roadmap.

Problem Solving : Debug and resolve issues quickly while suggesting improvements for future prevention.

Continuous Learning : Stay updated on industry trends and expand your skillset, especially in Rails if it’s new to you.

• Minimum Qualifications Candidate must be located in India .

5-7 years of professional software engineering experience.

Strong experience with Kotlin and its ecosystem.

Hands-on experience with microservices and AWS Lambda .

Familiarity with (or willingness to learn) Ruby on Rails .

Solid understanding of cloud environments (AWS preferred).

Strong communication and teamwork skills.

Preferred Qualifications Experience with other backend frameworks in addition to Rails and Kotlin.

Familiarity with event-driven architectures and worker systems (e.g., Sidekiq, Kafka).

Strong database knowledge (PostgreSQL or MySQL).

Experience in Agile / Scrum environments.

Why Join Us?

Challenging Work : Contribute to both cutting-edge microservices and the improvement of legacy systems.

Flexibility : 100% remote role based in India with flexible working hours.

Collaboration : Learn and grow alongside senior engineers in a supportive environment.

Growth : Expand your expertise in Kotlin, AWS, and Rails while working on a high-impact project.

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