Backend Engineer (Java + Spring Boot)

How to Apply

Before applying, carefully read the job description. Then, write an email to careers@multisystems.ai explaining why you are the best fit for the role and confirming that you have reviewed the JD.

Work Timings

Full-time role with work timings aligned to Central Time Zone, USA — approximately 7:30 PM to 3:30 AM IST, including a 1-hour break (8 hours of work time).

Mandatory criteria

At least 100–200 commits on GitHub in the past year, and a strong profile or high rank on coding platforms such as Coding Ninjas, LeetCode, GeeksforGeeks, HackerRank, or CodeChef. This role is with Multisystems.

About Us

Multisystems builds intelligent operating systems for business — we help companies grow revenue, reduce chaos, and return time to their teams across the industries we serve. We're a small, fast-moving team where your work has real impact.

What You'll Do

• Design & build scalable backend services in Java Spring Boot.
• Work with Kafka, microservices, and cloud deployments to handle real-world data at scale.
• Build & optimize REST APIs and integrate with external platforms (Google, Booking.com, Expedia, etc.).
• Collaborate with a small, sharp team to solve complex challenges.
• Own features end-to-end: from design → code → deploy → monitor.

Skills We Value

• •Strong in Java + Spring Boot (must).
• •Good grasp of PostgreSQL & database design.
• •Understanding of Kafka / event-driven systems.
• •Familiar with Docker & containerized deployments.
• •Exposure to cloud platforms (AWS/E2E/Wasabi S3).
• •Experience (or willingness to learn) with CI/CD pipelines (GitHub Actions, self-hosted runners).
• •Knowledge of OAuth2, authentication, security best practices.
• •Bonus: worked with API integrations, caching (Caffeine/Redis), or observability tools (Zipkin, monitoring).

What We're Looking For

• Passionate about learning and problem-solving.
• Comfortable in fast-paced startup environments.
• Strong DSA/problem-solving foundation.
• Curious, proactive, and eager to take ownership.

Why Join Us

• Work on real products that impact real businesses.
• Startup vibe → ownership, freedom, and fast growth.
• End-to-end exposure: backend, infra, cloud, microservices.
• Opportunity to grow with the company into leadership roles.