Senior Software Engineer- Video Signalling

About the job

This position is needed to design, build, and optimize the core signalling infrastructure that powers real‑time video communications for our customers. You will play a key role in ensuring high performance, reliability, and scalability of our video platform, enabling seamless and secure video experiences.

Responsibilities

• Design, implement, and maintain video signalling protocols and server components for real‑time video calls (e.g., WebRTC, SIP, RTCP/RTP) in a highly scalable distributed system.
• Collaborate with cross‑functional distributed teams and various stakeholders to deliver high‑performance, low‑latency media experiences.
• Ensure secure transmission and compliance with industry best practices (e.g., end‑to‑end encryption, privacy standards).
• Contribute to architectural decisions and code reviews, mentoring junior engineers as needed.
• Stay current with advancements in real‑time communications and video technologies.
• Diagnose and resolve signalling and media operational issues, with opportunities to enhance existing troubleshooting processes and tools; build tools and analytics for call quality and debugging (e.g., log analysis, packet traces).
• Participate in the refinement of the team's ticket backlog, estimating work and following Agile ceremonies.

Qualifications – Required

• 5+ years experience in Java.
• Experience with complex distributed systems or real‑time systems.
• Experience working in the cloud (AWS, Google Cloud, Azure).
• Experience with multi‑threading, concurrency and asynchronous software development.
• Bachelor’s in Computer Science or equivalent experience.
• Support Video services as a part of on‑call duties.

Qualifications – Desired

• Proficient in C++, Rust, or equivalent languages.
• Bonus points for experience with Rust, WebRTC, GStreamer.

Location

This role will be remote, and based in Ireland.

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in‑person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Twilio is proud to be an equal opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Additionally, Twilio participates in the E‑Verify program in certain locations, as required by law.