Software Engineer L2 - Cloud Infrastructure

Who we are  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) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! . SEE YOURSELF AT TWILIO Join the team as our next Backend Software Engineer on Twilio Segment CDP engineering team. Who we are & why we’re hiring Twilio powers real-time business communications and data solutions that help companies and developers worldwide build better applications and customer experiences. Although we're headquartered in San Francisco, we have presence throughout Europe, Asia and Australia. We're on a journey to becoming a globally anti-racist, anti-oppressive, anti-bias company that actively opposes racism and all forms of oppression and bias. At Twilio, we support diversity, equity & inclusion wherever we do business. We employ thousands of Twilions worldwide, and we're looking for more builders, creators, and visionaries to help fuel our growth momentum. ABOUT THE JOB Segment is a best-in-class customer data platform (CDP) designed with engineers, marketers, and product managers in mind. We’re excited to work at the cutting edge of data and artificial intelligence, such as with our AI-Assisted Suggest Mappings product. And, we move a lot of data - over 12 trillion API calls a year. This position is needed to build and scale APIs to enable Twilio developers to unlock best-in-class personalized customer experiences through the Twilio Segment CDP products. As a Software Engineer on the team, you will collaborate closely with product management, architecture, and other engineering teams to design APIs, identify performance bottlenecks, and data models, and drive system-level improvements that enhance both developer velocity and customer experience. You’ll be expected to evaluate and communicate trade-offs between feature velocity, system stability, and technical debt, and help drive architectural decisions that ensure long-term sustainability and performance. We iterate quickly on these products and features and learn new things daily — all while writing quality code using the latest AI tools. We work closely with product and design and solve some of the toughest engineering problems to unlock new possibilities for our customers. If you get excited by building products with high customer impact — this is the place for you. RESPONSIBILITIES In this role, you’ll: * Design and build robust, scalable backend systems and APIs across Segment’s data platform. * Collaborate cross-functionally with design, product, and other engineers to define solutions that balance usability, performance, and long-term architecture. * Communicate technical decisions clearly - articulating trade-offs, customer impact, and team alignment. * Troubleshoot and improve system reliability, debugging issues and refining operational tooling and processes. * Participate in an on-call rotation for our managed services QUALIFICATIONS  Not all applicants will have skills that match a job description exactly. Twilio values diverse experiences in other industries, and we encourage everyone who meets the required qualifications to apply. While having “desired” qualifications make for a strong candidate, we encourage applicants with alternative experiences to also 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: * Experience programming in one or more of the following: Go, Java, Python, or similar languages * Experience operating large-scale, distributed systems on top of cloud infrastructure such as Amazon Web Services (AWS)  * Have hands-on experience with container orchestration frameworks (e.g. Kubernetes, EKS, ECS) * Have experience with large scale async processing systems * Experience shipping services (products) following CI/CD development paradigm * Good grasp of software engineering and how to build a system in scalable and extensive manner; * Excellent written and verbal technical communication skills to convey complex technical concepts effectively. * Comfortable asking questions and taking initiative to solve problems where it is often necessary to “draw the owl” * Leverage best-in-class development productivity practices including AI tooling. Desired: * Building products or tools that are currently using A.I.  * Experience working with event streaming technologies (Kafka, Pulsar, or similar). * Familiarity with database technologies like PostgreSQL and DynamoDB. * Exposure to observability tools such as Prometheus, Grafana, or Datadog. * Experience working in a geographically distributed team.   Location: This role will be remote, but is not eligible to be hired in CA, CT, NJ, NY, PA, WA. * No mandatory travel is anticipated.   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.  *  $116,960.00 to $146,200.00. * Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay a * rea): $123,760.00 to $154,700.00). * Based in the San Francisco Bay area, California: $137,520.00 to $171,900.00). * 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.   What We Offer There are many benefits to working at Twilio, including, in addition to competitive pay, things like generous time-off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.     Applications for this role are intended to be accepted until 7/16/2026, but may change based on business needs.   Twilio thinks big. Do you? We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts. So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions. 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.

Who we are  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) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! . See yourself at Twilio Join the team as Twilio’s next Software Engineer (L2). About the job This position is needed to build and scale Stytch’s core product as we bring Stytch capabilities to Twilio’s full customer base, delivering secure, developer-first identity experiences. Join the Stytch team at Twilio to shape the next generation of identity products. You’ll build backend systems that power authentication, authorization, and emerging agentic and non-human identity use cases. You’ll partner closely with product and engineering leadership to design and deliver high-impact, customer-facing features, and evolve our platform for Twilio scale. This is a rare chance to operate like a startup within Twilio: you’ll work in a high-ownership environment with startup speed, backed by Twilio’s reach and scale. Responsibilities * Build backend product capabilities for Stytch’s identity platform on Twilio—shipping new API surfaces and core authentication flows, including agentic and non-human identity use cases. * Partner with Product and Engineering leadership to set direction, translate customer needs into product capabilities, and deliver high-impact roadmap features. * Collaborate across Twilio and Stytch teams to align on architecture, integrate platform capabilities, and unblock cross-team initiatives. * Operate with deep technical ownership: author design docs, drive key technical decisions, review code, and stay close to the systems you ship. * Build in ambiguity—break down complex problems, make pragmatic tradeoffs, and design developer experiences that delight our customers. * Improve production quality and resilience through strong observability, incident response and remediation. * Mentor and support other engineers through pairing, feedback, and knowledge-sharing, helping raise the team’s technical bar and culture. 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: * 3+ years experience in designing, building and operating high-scale, mission critical cloud based production systems. * Familiarity with a production-grade code base in a modern programming language, applying best practice coding standards and writing high quality code. * Extensive experience with RESTful API design and development. * Bachelor’s degree in Computer Science or related industry experience. * Excellent written and verbal communication skills. * Schedule: ability to work non-standard, on-call rotation weekend and holiday hours. Desired: * Familiarity with Go, TypeScript, and DynamoDB * Experience building developer tools or SDKs * Experience building and owning products consumed by paying customers Builder at heart. Through a hobby or your profession, you are passionate about being hands on and seeing your work come to life. Location This role is US remote 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 the salary range information provided applies only to candidates residing in California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State due to local requirements. Compensation for candidates in other locations will be discussed during the hiring process. Please note that hiring for this role is not restricted to the locations listed above. The estimated pay ranges for this role are as follows: * Based in Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, Vermont or Washington D.C. : $116,960 - 146,200. * Based in New York, New Jersey, Washington State, or California (outside of the San Francisco Bay area): $123,760 - 154,700. * Based in the San Francisco Bay area, California: $137,520 - 171,900. * 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 September 21st, 2026, but may change based on business needs.  Twilio thinks big. Do you? We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts. So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions. 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.