Software Engineer (L3) Data Substrate

We are looking for a talented and experienced Senior Software Engineer to join our Data Substrate team. In this role, you will play a crucial part in designing, building, and optimizing our platform to support a wide range of data-driven initiatives to power Twilio data lakes. You will work closely with cross-functional teams to understand business requirements, architect scalable solutions, and implement data solutions and infrastructure for our Data Platform. The ideal candidate will have deep expertise in data systems, strong technical and leadership skills, and a proven track record of delivering complex data projects at scale. Responsibilities In this role, you’ll: Design, build, and maintain infrastructure and scalable frameworks to support data ingestion, processing, and analysis. Collaborate closely with cross-functional teams to understand business requirements and translate them into scalable and efficient technical solutions. Architect and implement high-performance data systems, distributed storage solutions, and processing frameworks using modern technologies. Design and implement frameworks and solutions for performance and reliability. Ensure data quality, integrity, and security throughout the data lifecycle, adhering to industry best practices and compliance standards. Stay current with emerging technologies and best practices in big data technologies Mentor early in career engineers and contribute to a culture of continuous learning and improvement 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: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. 5+ years of experience in software development or a related field. Proven track record of architecting and delivering complex data projects at scale, with a deep understanding of data infrastructure and distributed systems. Strong proficiency in programming languages such as Python, Java, Go, or Scala. Strong experience working with big data technologies such as Spark, Kafka, Athena, ClickHouse, DynamoDB, and distributed computing systems Strong experience with building data streaming pipelines and working with REST APIs Strong experience with AWS technologies at scale and using that to build and operate large scale systems Solid understanding of software engineering principles, including object-oriented and functional programming paradigms, design patterns, and code quality practices. Excellent problem-solving and analytical skills. Strong verbal & written communication skills, with the ability to work effectively in a cross-functional team environment. Demonstrated ability to thrive in a fast-paced, dynamic environment and deliver results Desired: Bias to action, ability to iterate and ship rapidly Passion to build data products, prior projects in this area Experience building and working with data lake products Location This role will be remote, and based in the United States. 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 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. 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 6/30/2026, 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. . Stay alert to recruitment fraud We care about your safety. Scammers sometimes impersonate Twilio recruiters through fake job postings, emails, websites, or messages. Please ensure you are e