2 months ago
Curitiba, BrazilSenior
Responsibilities
- Design, build, and maintain Java components of the test automation platform.
- Develop and debug C/C++ components on Linux.
- Work with real-time media and VoIP signaling, media transport, NAT traversal, and transport security.
- Package and run multi-service systems with Docker and container orchestration.
- Diagnose issues across application code, protocols, containers, and networking.
- Contribute to CI/CD, code reviews, technical documentation, and scalable load and functional testing.
Requirements
- 4+ years of software development experience.
- Strong senior-level Java skills, including concurrency, multithreading, and performance.
- Ability to read, build, and debug C/C++ native code on Linux.
- Experience with Docker, containers, Linux shell scripting, service management, and troubleshooting.
- Understanding of TCP/UDP, TLS, sockets, NAT, and packet inspection.
- Knowledge of real-time communications and VoIP concepts, or the ability and willingness to learn them quickly.
- Experience with test automation and CI/CD pipelines.
- Strong object-oriented design, clean coding, testing, and debugging practices.
- Fluent written and spoken English.
- Advantageous qualifications include Python, Rust, WebRTC, SIP, RTP/SRTP, ICE/STUN/TURN, observability, performance testing at scale, and machine learning or NLP model fine-tuning and inference.
About Mitel
Mitel builds unified communications and collaboration products for businesses, including cloud and on‑premises telephony (PBX), VoIP, contact center, and UCaaS solutions. It sells software, endpoints, and subscriptions, plus support and professional services, through direct and channel partners to SMBs and large enterprises. Founded in 1972 and headquartered in Kanata, Ontario, the company is privately held and serves customers across industries such as healthcare, education, and manufacturing.