Senior Software Engineer

About the Role

The Voice Organization at Twilio is dedicated to managing the distributed systems and APIs responsible for the Twilio Call lifecycle. As part of this team, you will focus on designing and implementing low-latency, highly scalable architectures that leverage modern database technologies. This will provide customers with real-time access to their data and communications infrastructure, further enhancing their overall experience.

What You Will Do

• Architect and implement next-generation distributed systems capable of handling immense throughput and concurrency requirements.
• Design low-latency, high-scale APIs that empower customers with real-time access to their data and communications infrastructure.
• Optimize and manage distributed database environments to ensure high availability and performance across high-volume data stores.
• Own the full development lifecycle, from initial system design and prototyping to the continuous operation of 24x7 production services.
• Collaborate across engineering teams to solve distributed systems problems, ensuring the API layer is resilient and developer-friendly.
• Develop and maintain large-scale, high-performance systems that meet the evolving needs of Twilio's customers.
• Participate in the planning, design, and implementation of major features and system improvements.
• Ensure that all systems are properly documented, with clear guidelines for maintenance and future development.
• Stay up-to-date with industry trends and advancements, applying this knowledge to improve Twilio's services and infrastructure.
• Mentor junior engineers, providing guidance and support to help them grow in their roles.

What We Are Looking For

• A Master’s or Bachelor's degree in Computer Science, Software Engineering, or a related field, combined with 5+ years of experience in software engineering, focusing on backend or infrastructure systems.
• Expertise in Distributed Systems, including a deep understanding of consistency models, partition tolerance, and the challenges of scaling stateful services.
• Proficiency in Java, Spring, Dropwizard, and a strong grasp of building RESTful APIs.
• Experience with modern database technologies, including both relational and NoSQL databases.
• Strong understanding of software development principles, including design patterns, testing, and continuous integration.
• Experience working in an Agile development environment, with familiarity with Scrum or Kanban methodologies.
• Excellent communication and collaboration skills, with the ability to work effectively in a distributed team.

Nice to Have

• Experience with cloud computing platforms, such as AWS or Google Cloud.
• Knowledge of containerization technologies, including Docker and Kubernetes.
• Familiarity with artificial intelligence and machine learning concepts and their application in software development.
• Participation in open-source projects, demonstrating a commitment to community involvement and software development best practices.

Benefits and Perks

• Competitive salary and bonus structure, recognizing your contributions to Twilio's success.
• Comprehensive health, dental, and vision insurance, supporting your well-being and that of your family.
• Generous paid time off policy, including vacation days, sick leave, and holidays, to help you maintain a healthy work-life balance.
• 401(k) matching program, helping you plan for your future financial security.
• Access to a wide range of professional development opportunities, including training, mentorship, and conference attendance.
• Flexible, remote-first work environment, allowing you to work from anywhere and thrive in a setting that best suits your productivity and lifestyle.

• Ensure your resume and cover letter highlight your experience with distributed systems, Java, and API development to increase your chances of standing out.
• Prepare to discuss specific examples of how you've designed and implemented scalable architectures in previous roles.
• Show a genuine interest in Twilio's mission and products, and be ready to explain how your skills align with the company's goals.
• Be prepared to complete coding challenges or technical assessments as part of the application process.
• Research Twilio's culture and values to understand how you can contribute to and thrive in the company's remote-first environment.
• Consider reaching out to current or former Twilio employees on professional networks to gain insights into the company culture and the role.