Real job — pulled straight from IDT Corporation’s careers page · Verified August 21, 2026 · No reposts.
Job description
IDT Corporation is hiring a Lead Java Developer — a full-time, based in Warsaw role. Apply directly on IDT Corporation's careers page below.
Lead Java Developer (with C background)
Team: Technology N2P - Integra
Location: Warsaw, Minsk, Chișinău, Belgrade, Buсharest
Commitment: Software Engineering
Workplace Type: hybrid
We’re looking for a Senior/Lead Java Developer with C background to help us build and scale a cloud PBX solution based on Asterisk.
The team is building a cloud PBX solution based on Asterisk. We expect you to have strong problem-solving skills, be self-motivated, initiative, and responsible.
Your daily duties will include implementing different SIP proxy features using Java/C and Asterisk with respect to high availability and scalability.
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.
Requirements:
- Have at least 7+ years of production experience with large-scale deployments.
- Strong hands-on experience with Java.
- Hands-on experience with C.
- Have 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.
- Have a good level of English (B2 or higher).
- You are 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.
We are pleased to offer:
- Remote work as b2b contractor or on-site/hybrid employment (Belarus-Moldova) work opportunity!
- Stable job with long-term growth perspective.
- Competitive salary with annual performance review.
- Really good hardware.
- An exciting and challenging job with talented people around.
- Continuous learning and career growth opportunities.
- Compensation for professional training, seminars, and conferences.
- Referral program – get rewarded for helping us grow the team with talented people.
- Company-supported English classes to enhance your professional growth.
- More perks for the Minsk and Chisinau office employees.
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Frequently asked questions
What skills are required for Lead Java Developer at IDT Corporation?
The required skills for Lead Java Developer at IDT Corporation include: Java, C, Linux, GCP, MySQL, CI/CD, GitHub Actions, Jenkins, ArgoCD, Maven, Networking.
What is the seniority level for Lead Java Developer at IDT Corporation?
Lead Java Developer at IDT Corporation is a Senior / Lead / Staff level position.
How do I apply for Lead Java Developer at IDT Corporation?
You can view the full description and apply for Lead Java Developer at IDT Corporation on EchoJobs: https://echojobs.io/job/idt-corporation-lead-java-developer-with-c-background-j6t3d.