Senior Software Engineer

At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote‑first work, 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. We use Artificial Intelligence (AI) technologies to maintain an efficient, fair and transparent hiring process. Our hiring process is never completely automated, and uses AI in conjunction with our recruiting professionals. See yourself at Twilio Join the team as Twilio’s next Software Engineer (L3). About the job This position is needed to build and deliver Voice functionality to our customers through our ConversationRelay offering. ConversationRelay was featured at the 2025 SF Signal conference and allows our customers to build delightful, realistic, customized Voice solutions leveraging their LLM. Responsibilities Design, develop, deploy and monitor significant new features with predictable velocity in a high‑available, low‑latency, scalable cloud environment. Embrace agile development, test assumptions and unknowns, help define technical roadmap from those learnings. Maximize engineering efficiency via automated tests. Demonstrate operational excellence through system observability, alerting, on‑call procedures and testing best practices. Qualifications 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 hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table Required: 5+ years of software development experience with cloud application development Bachelor’s degree in Computer Science or related industry experience Successful track record of delivering and maintaining reliable, scalable, traceable and performant distributed systems to customers in a production cloud environment, preferably AWS. Extensive experience with building and using REST APIs Experience with Java (or any modern OO language) and concurrent programming Agile development environment and is comfortable decomposing complex problem statements Excellent written and verbal communication skills – you are confident in writing down and presenting your designs and decisions throughout the development lifecycle, and you are also comfortable providing and receiving feedback in an Agile environment Relational Databases (MySQL, PostgreSQL or equivalent) Distributed in‑memory datastore (Redis, Memcached, Hazelcast or equivalent) Location This role will be remote, but is not eligible to be hired in CA, CT, NJ, NY, PA, WA. 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: Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C.: $138,700 - 173,400. Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $146,800 - 183,600. Based in the San Francisco Bay area, California: $163,100 - 203,900. 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. The successful candidate’s starting salary will be determined based on permissible, non‑discriminatory factors such as skills, experience and geographic location. Applications for this role are intended to be accepted until 9th January, 2025 , but may change based on business needs. Twilio is proud to be an Equal Employment Opportunity employer 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. Additionally, Twilio participates in the E‑Verify program in certain locations, as required by law. #J-18808-Ljbffr