At RingCX, we’re building a cloud-based platform that helps businesses make and receive calls as well as handle messages via chat, email, SMS, and social media—all in one place. Companies use our product to communicate with their current and potential customers efficiently. Our platform is already operational, serving hundreds of businesses and processing millions of conversations every month.

What makes RingCX stand out is our AI-powered features and rich analytics. Our AI receptionist handles incoming calls, automating routine tasks and ensuring customers reach the right person faster. RingSense, our AI assistant, helps agents during conversations by providing smart suggestions, summaries, and insights, making communication smoother and more efficient.

On the engineering side, we run a microservices architecture on AWS, currently consisting of 12 services. We focus on scalability, reliability, and high availability to ensure smooth, real-time communication.

If you're looking to work on a live, high-load system, develop AI-driven features, solve complex technical challenges, and contribute to a growing product, join us at RingCX!

This role requires on-site presence at our office 4 days a week to support effective collaboration and teamwork.

Technology stack:

Development: Java, Spring, GRPC, Flink, Kafka, Kafka Connect, ClickHouse, MySQL, MongoDB, AWS (S3, DynamoDB, Airflow, Glue, Athena). 

Deployment stack: Docker, Kubernetes. 

Common: GitLab, Jira, Jenkins

Key Responsibilities:

Design, implement, and support Backend microservices of a highly loaded data operation system

Improve reliability, scalability, and security

Assist with Production support in case of incidents

Support BI developers in the creation of customer reports

Mentor less experienced engineers

Qualifications & Skills:

5+ years of Java, Spring programming experience

Experience working with microservices architecture

Experience with development of high-load systems

Understanding and experience with architectural patterns in high-load and distributed systems

Good knowledge of SQL

Experience with event based architecture

Business Fluency in English language

Energy needed to quickly learn and understand new technologies

Experience with iterative methodologies and ability to work in an Agile environment

Will be an advantage:

Hands-on experience with Kafka, MySQL, ClickHouse

Basic knowledge of Kotlin

Experience with Kubernetes and AWS services

Knowledge of ETL

What we offer:

Well-coordinated professional team.

Cutting edge technologies, interesting and challenging tasks, dynamic project, great opportunities for self-realization, professional and career growth.

Additional Health and Life Insurance Package.

Employee Assistance Program.

25 vacation days.

Hybrid working model.

200 BGN Digital Food Vouchers.

120 BGN Gross as part of the salary for Working Expenses Allowance.

RingCentral’s work culture is the backbone of our success. And don’t just take our word for it: we are recognized as a Best Place to Work by Glassdoor, the Top Work Culture by Comparably and hold local BPTW awards in every major location. Bottom line: We are committed to hiring and retaining great people because we know you power our success. RingCentral offers on-site, remote and hybrid work options optimized for the ways we work and live now.

About RingCentral

RingCentral, Inc. (NYSE: RNG) is a leading provider of business cloud communications and contact center solutions based on its powerful Message Video Phone™  (MVP™) global platform. More flexible and cost effective than legacy on-premises PBX and video conferencing systems that it replaces, RingCentral® empowers modern mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. RingCentral is headquartered in Belmont, California, and has offices around the world.

RingCentral is an equal opportunity employer that truly values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.