<div>Who we are  At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to<a href="https://customers.twilio.com/" target="_blank"> hundreds of thousands of businesses </a>and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to <a href="https://www.twilio.com/en-us/blog/open-work" target="_blank">remote-first work</a>, and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands.</div>See yourself at Twilio Join the team as Twilio’s: Principal Software Engineer Connectivity Observability   About the job Twilio is seeking a Principal Software Engineer to lead the transformation of its connectivity observability platform into a cohesive, telco-grade system. This individual will play a critical role in unifying our tooling, improving data quality and latency, and enabling real-time, actionable insights across Messaging, Voice, and Email products. Responsibilities In this role, you’ll Define and lead the strategy for Twilios next-generation connectivity observability platform, focusing on unifying tools and standardizing data pipelines. <ul> <li>Drive the consolidation of fragmented monitoring systems (e.g., Zabbix, SNES, Grafana, Voice Insights) into a single pane of glass for voice and messaging traffic insights.</li> <li>Architect scalable, real-time data pipelines to support on-demand slicing, correlation, and anomaly detection across carriers and customers.</li> <li>Partner with data engineering and ML teams to implement pragmatic AI/ML-based detection models, prioritizing actionable accuracy over theoretical complexity.</li> <li>Champion data quality improvements—ensuring high completeness, reduced latency, and enriched data with customer and carrier metadata.</li> <li>Build and maintain a SQL-like interface or data exploration layer to democratize access to observability data for engineers, analysts, and incident response teams.</li> <li>Lead design reviews, influence tooling decisions, and mentor engineers across platform and product teams.</li> </ul> Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasnt followed a traditional path, dont let that stop you from considering Twilio. We are always looking for people who will bring something new to the table! Required: <ul> <li>10+ years of software or platform engineering experience, including deep expertise in observability, data infrastructure, or connectivity systems.</li> <li>Proven experience architecting real-time data systems or observability platforms at scale.</li> <li>Strong background in building or integrating monitoring and visualization tools (Grafana, OpenSearch, Zabbix, SNES, etc.).</li> <li>Demonstrated success working cross-functionally in large organizations to align platform vision with product and operational needs.</li> <li>Proficiency in SQL, Python, or Scala, and data frameworks like Spark, Flink, or Kafka.</li> </ul> Desired: <ul> <li>Prior experience in a telco, CPaaS, or large-scale infrastructure environment.</li> <li>Experience applying ML techniques in observability or anomaly detection.</li> <li>Understanding of telecom or carrier-based systems and network-layer traffic monitoring </li> <li>Familiarity with customer-facing metrics, SLAs, and incident management workflows (NOC/SRE experience a plus).</li> <li>Experience with multi-tenant, customer-segmented observability systems.</li> </ul> Location This role will be remote, but is not eligible to be hired in San Francisco, CA, Oakland, CA, San Jose, CA, or the surrounding areas. 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. Compensation *Please note this role is open to candidates outside of California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State. The information below is provided for candidates hired in those locations only.   The estimated pay ranges for this role are as follows: <ul> <li>Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $114,6000 (Developing Minimum for Tier 3) - $143,300 (Mid for Tier 3).</li> <li>Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $121,400 (Developing Minimum for Tier 2) -$151,700 (Mid for Tier 2).</li> <li>This role may be eligible to participate in Twilio’s equity plan and corporate bonus plan. All roles are generally eligible for the following benefits: health care insurance, 401(k) retirement account, paid sick time, paid personal time off, paid parental leave <ul> <li> </li> </ul> The successful candidate’s starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic location. Application deadline information (required for ALL US jobs) Applications for this role are intended to be accepted until 8/30/2027, but may change based on business needs.</li> </ul>    <div>Twilio thinks big. Do you? We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. Thats why we seek out colleagues who embody our values — something we call <a href="https://www.twilio.com/company/values">Twilio Magic</a>. Additionally, we empower employees to build <a href="https://twilio.org/support-and-resources/impact-fund">positive change in their communities</a> by supporting their volunteering and donation efforts. So, if youre ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isnt what youre looking for, <a href="https://www.twilio.com/company/jobs#open-positions">please consider other open positions</a>. 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.</div>