Senior Backend Software Engineer (Java/kotlin)

Senior Backend Software Engineer - Data Squad

Diabolocom

We are strengthening our internal engineering team and opening a Senior Backend Software Engineer position in our Data Squad.

About the Data Squad

• Design, build, and optimize back-end services for data gathering, processing, and delivery.
• Ensure high-quality engineering practices with thorough test coverage, robust metrics, alerts, and clear documentation.
• Define and maintain service contracts to ensure seamless communication between systems.
• Work closely with the product team to align technical solutions with customer needs.

Technical Stack

• Languages: Java, Kotlin
• Framework: Spring Boot
• Database: PostgreSQL
• Message Broker: RabbitMQ
• Caching: Redis
• Containerization: Docker

Our team

• 3 QA engineers
• 4 backend developers
• 2 frontend engineers (shared between two teams)
• 1 team lead

What We’re Looking For

• 10+ years in software development within product-focused companies, with at least 5+ years working extensively in Kotlin (preferred) or Java.
• Experience with relational databases (PostgreSQL preferred) and Spring Boot.
• Experience in designing and implementing effective distributed systems. Ability to make architectural decisions and evaluate their impact on system performance, scalability, and reliability.
• Strong autonomy and leadership potential, with a willingness to grow into a lead role.
• Comfortable working with and improving an existing codebase.
• Strong engineering culture, attention to the details, business-centric mindset.

What We Offer

• A collaborative and innovative team environment.
• The opportunity to work on cutting-edge distributed communication systems.
• Career growth opportunities within a fast-growing global company.
• Flexible work arrangements and remote work options.

Recruitment Process

• Technical challenge on HackerRank platform
• Intro call with a Talent Acquisition Manager
• Live coding challenge
• Design interview through screen sharing with our Lead Software Engineer
• Final interview with Alexander, our Head of Software Engineering

At Diabolocom, diversity and inclusion are in our DNA. All qualified applicants will receive equal consideration for employment without regard to color, language, religion, sex, sexual orientation, gender identity, national or social origin, opinion disability, age.