Senior Backend Developer - Node.js / Java JB-4609

About ROI Labs and the Project

ROI Labs is an innovative leader in data-driven solutions, empowering organizations to unlock

business insights through best-in-class analytics and business intelligence platforms. Our

mission is to transform raw data into actionable intelligence, enabling our partners to make

smarter, faster decisions. At ROI Labs, you will join a collaborative team that values continuous

learning, creativity, and technological excellence—working with talented professionals in a

culture that celebrates curiosity, ownership, and impact.

5+ years of professional experience as backend development.

Deep expertise in Node.js (e.g., Express.js) or Java (e.g., Spring Boot).

Solid understanding of database technologies, both SQL (e.g., PostgreSQL) and NoSQL (e.g., MongoDB).

Proven experience with modern development tools and practices, including Git, CI/CD, and containerization/orchestration (Docker, Kubernetes).

Experience with cloud platforms such as GCP or AWS.

Solid understanding of microservices architecture and API design (RESTful; experience with GraphQL is a plus).

Excellent problem-solving skills and the ability to work independently in a fast-paced environment.

Strong communication skills and a collaborative mindset.

B.Sc. in Computer Science or a related field, or equivalent practical experience.