Senior/Staff Software Engineer (Java)

TL;DR

Senior/Staff Software Engineer (Java): Building and optimizing high-load infrastructure subsystems for a unified communications service with an accent on API design, distributed caches, and service discovery. Focus on designing globally distributed systems that maintain 99.999% availability and handle massive concurrent traffic.

Company

hirify.global is a product company developing unified communications services and high-load infrastructure solutions.

What you will do

• Drive the implementation and support of highly available backend infrastructure and services.
• Collaborate with architects to convert high-level requirements into component-level designs.
• Support products throughout the release cycle, including QA and production incident investigation.
• Develop and extend CI/CD pipelines to automate testing and delivery.
• Contribute to Agile processes and team effectiveness.

Requirements

• 5+ years of solid backend development experience with excellent Java skills.
• Experience building high-load, fault-tolerant distributed systems.
• Understanding of microservices architecture and inter-service communication patterns.
• Familiarity with network fundamentals including TCP/UDP, HTTP, and WebSocket.
• Experience working with Linux operating systems.
• Good spoken and written English communication skills.
• Role requires on-site presence at the office 4 days a week.

Nice to have

• Experience building public APIs.
• Experience with Netty or other high-performance frameworks.
• Understanding of non-blocking I/O concepts.

Culture & Benefits

• Professional team with a flat structure.
• Opportunities for professional and career growth.
• Additional health and life insurance package.
• Employee assistance program.
• 25 vacation days.