Lead Java Engineer

November 6, 2026

Hybrid

Lead

Минск, Беларусь

hh.ru

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English is required
B2 level

Description

A Lead Java Engineer is sought to build and scale a cloud PBX solution. The role covers the full software development lifecycle: implementing SIP proxy features in Java/C, maintaining Asterisk source code and dialplans, and participating in architecture decisions. The work involves Linux systems, GCP cloud environments and CI/CD tooling, with cross-team collaboration with backend, infra/DevOps, QA and product owners.

Responsibilities

Implement SIP proxy features using Java/C with respect to high availability and scalability
Collaborate with business stakeholders and actively participate in product planning and sprint backlog meetings
Take responsibility for the full software development lifecycle, from understanding business requirements through coding, deployment, and maintenance
Develop and maintain technical design, architecture, and troubleshooting documentation
Demonstrate a technology-agnostic mindset and continuously explore new technologies and approaches
Analyze and interpret stack traces, crashes, memory issues, and performance bottlenecks
Implement patches, backports, or enhancements directly in Asterisk source code
Develop custom modules (C), when needed
Work with Linux systems (systemd, networking, tuning, kernel parameters)
Work with cloud environments (GCP preferred)
Participate in architecture decisions
Design and implement Asterisk dialplans

Requirements

Strong problem-solving skills, self-motivated, initiative, and responsible
At least 7+ years of production experience with large-scale deployments
Strong hands-on experience with Java
Experience with CI/CD, clouds, Linux & networking
Experience with CI/CD tools such as GitHub Actions, Jenkins, ArgoCD, and Maven
Proficiency with relational databases, particularly MySQL, including schema design, migrations, and query optimization
Good level of English (B2 or higher)
Ready to act as the technical lead
Can work cross-team with backend developers, infra/DevOps, QA, and product owners
Own best practices, code quality, and documentation
Hands-on experience with C — nice to have