Senior Java Lead – Cloud PBX (Remote) & Growth

IDT; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Remote work as b2b contractor or on‑si

hybrid on-site options

Job summary

IDT is seeking a Lead Java Developer with a C background to build and scale a cloud PBX solution. You will collaborate with stakeholders, drive the full SDLC, design architecture, and optimize performance while mentoring teammates.

The role requires 7+ years of production experience, strong Java and C skills, CI/CD and cloud exposure, Linux networking, MySQL, and English at B2 level or higher. Remote/b2b or on-site/hybrid options available.

Qualifications

• 7+ years of production experience with large-scale deployments.
• Strong hands-on experience with Java.
• Hands-on experience with C.
• Experience with CI/CD, clouds, Linux & networking.
• Experience with CI/CD tools such as GitHub Actions, Jenkins, ArgoCD, and Maven.
• Proficiency with MySQL, including schema design, migrations, and query optimization.
• Good level of English (B2 or higher).
• Ready to act as the technical lead.
• Ability to work cross-team with backend, infra/DevOps, QA, and product owners.
• Owns best practices, code quality, and documentation.

Responsibilities

• 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.

Skills

Java

C

CI/CD

Linux

Networking

MySQL

English (B2)

Technical lead

Tools

GitHub Actions

Jenkins

ArgoCD

Maven

Job description

IDT is seeking a Lead Java Developer with a C background to build and scale a cloud PBX solution. You will collaborate with stakeholders, drive the full SDLC, design architecture, and optimize performance while mentoring teammates.

The role requires 7+ years of production experience, strong Java and C skills, CI/CD and cloud exposure, Linux networking, MySQL, and English at B2 level or higher. Remote/b2b or on-site/hybrid options available.