Staff Software Engineer (L4)

Twilio

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 Staff Software Engineer (L4) About the job This position is needed to scope, design, and deploy machine learning systems into the real world to ensure that communication across Twilio platforms remains legal, safe and wanted.  As a Staff Software oftware Engineer, you will work in  the design and implementation phases of Cloud-based distributed systems built to seamlessly scale to several million transactions per day and automating processes. You will partner with Architects, Product Managers and Operational Leaders for developing anti-fraud/ anti-abuse systems for our customers. Responsibilities In this role, you’ll: * Write clean, efficient, and maintainable code for our distributed systems and microservices, utilizing asynchronous communication patterns for optimal performance. Contribute to the design and implementation of highly scalable architectures, prioritizing reliability, performance, and future-proof growth. * Collaborate in defining and monitoring key Service Level Objectives (SLOs) and Service Level Indicators (SLIs) to ensure our systems deliver exceptional user experiences. * Learn and grow with your colleagues, actively participating in code reviews, knowledge-sharing initiatives. * Partner effectively with cross-functional teams, bridging the gap between technical vision and business goals. Excellent communication and collaboration skills, able to articulate complex technical concepts to both technical and non-technical audiences. Create clear and concise technical documentation, including design decisions, architecture diagrams, and best practices, for future reference and knowledge sharing. * Participate in an on-call rotation and ensure timely response to production incidents and system outages. 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: * 7+ years experience in designing, building and operating high-scale, mission critical cloud based production systems * 7+ years of experience with at least two programming languages such as Java, Scala, Python, Ruby or Go * 2+ years of experience leading teams of engineers in an agile environment. * 2+ years of Experience with distributed caching systems such as Redis or Memcached understanding common use cases and performance pitfalls * Proficient in concepts such as DDD, SOLID, Cloud Native Patterns, distributed systems and architecture. Capable of understanding pitfalls and anticipating common failure modes of a microservice environment * Strong communication skills: able to communicate effectively with technical and non technical stakeholders in english * Passion for new technologies and proven capability in analysis and problem-solving Desired: * Track record as a full-stack engineer * Experience with AWS related technologies Location  This role will be remote, and based in India (only in Karnataka, Tamil nadu, Telangana, Maharashtra, Delhi). 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. 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.

Twilio

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 Staff Machine Learning Engineer. ABOUT THE JOB This position is needed to scope, design, and deploy machine learning systems into the real world, the individual will closely partner with Product & Engineering teams to execute the roadmap for Twilio’s AI/ML products and services. You will understand customers need, build data products that works at a global scale and own end-to-end execution of large scale ML solutions.  To thrive in this role, you must have a deep background in ML engineering, and a consistent track record of solving data & machine-learning problems at scale. You are a self-starter, embody a growth attitude, and collaborate effectively across organizations. RESPONSIBILITIES In this role, you’ll: * Build and maintain scalable machine learning solutions in production * Train and validate both deep learning-based and statistical-based models considering use-case, complexity, performance, and robustness * Demonstrate end-to-end understanding of applications and develop a deep understanding of the “why” behind our models & systems * Partner with product managers, tech leads, and stakeholders to analyze business problems, clarify requirements and define the scope of the systems needed * Work closely with data platform teams to build robust scalable batch and realtime data pipelines * Collaborate with software engineers, build tools to enhance productivity and to ship and maintain ML models * Drive high engineering standards on the team through mentoring and knowledge sharing * Uphold engineering best practices around code reviews, automated testing and monitoring 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: * 7+ years of applied ML experience with proficiency in Python * Strong background in the foundations of Machine Learning and building blocks of modern Deep Learning * Track record of building, shipping and maintaining Machine Learning models in production in an ambiguous and fast paced environment. * Track record of designing and architecting large scale experiments and analysis to inform product roadmap. * You have a clear understanding of frameworks like - PyTorch, TensorFlow, or Keras, why and how these frameworks do what they do * Familiarity with ML Ops concepts related to testing and maintaining models in production such as testing, retraining, and monitoring. * Demonstrated ability to ramp up, understand, and operate effectively in new application / business domains. * You’ve explored modern data storage, messaging, and processing tools (Kafka, Apache Spark, Hadoop, Presto, DynamoDB etc.) and demonstrated experience designing and coding in big-data components such as DynamoDB or similar * Experience working in an agile team environment with changing priorities * Experience of working on AWS Desired: * Experience with Large Language Models LOCATION This role will be remote, and based in India 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. 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.

Twilio

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 Senior or Staff Applied Software Research Engineer for Emerging Technologies. We are hiring for multiple positions at either a Senior or Staff level. About the job This full stack engineer position is needed to contribute hands-on technical expertise, collaborate on rapid prototyping, and develop innovative solutions as part of Twilio’s incubation team.  As a Senior Applied Software Research Engineer, you’ll build hands-on skills with new technologies, collaborate with passionate engineers, and contribute to delivering solutions that help shape Twilio’s future offerings. This is a growth role, ideal for someone eager to learn and make a measurable difference in a fast-paced, entrepreneurial environment. As a Staff Applied Software Research Engineer, you’ll work closely with cross-functional partners to design and build new product ideas, leveraging modern technologies and your problem-solving abilities. This is a high-impact opportunity for growth and learning, helping Twilio experiment and stay ahead in the evolving tech landscape. Responsibilities In this role, At the Senior level, you’ll: * Develop, test, and deploy code for prototypes and new product features. * Collaborate with team members to solve technical challenges and improve solution design. * Participate in code reviews, documentation, and team knowledge sharing. * Experiment with modern tools, frameworks, and emerging technologies. * Adapt to evolving requirements and provide input on process improvements. In this role, At the Staff level, you’ll: * Design, develop, and implement prototypes and production-ready solutions. * Collaborate with team members to experiment with AI, machine learning, and emerging technologies. * Participate in code reviews and contribute to continuous improvement of engineering best practices. * Communicate progress and technical concepts to stakeholders and peers. * Adapt quickly to feedback and changing requirements in a fast-paced environment. 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: At the Senior level: * Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience. * 3+ years of professional software development experience, ideally full stack development. * Proficiency in at least one programming language (such as JavaScript, Python, or Java). * Experience working with front-end (React, Angular) and/or back-end (Node.js, Springboot) technologies. * Understanding of database fundamentals (SQL or NoSQL). * Eagerness to learn, collaborate, and solve problems. * Effective written and verbal communication skills. * Have an agentic coding operating model that is effective at leveraging skills/ MCP/ LLMs to be able to do ai-assisted coding * Ability to deal with ambiguity and solve the problems vs. need constant support to unblock execution At the Staff level: * Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience. * 5+ years of professional full stack software development experience. * Proficiency across modern programming languages such as JavaScript, Python, or Java. * Experience building applications using front-end (React, Angular) and/or back-end (Node.js, Springboot) frameworks. * Solid understanding of database technologies (SQL or NoSQL). * Strong problem-solving skills and a collaborative mindset. * Effective communication skills for technical discussions. * Next-Gen Workflow: Mastery of an agentic coding operating model; highly effective at leveraging advanced dev tools, Model Context Protocol (MCP), and LLMs to drastically accelerate AI-assisted development. * Ability to deal with ambiguity and solve the problems vs. need constant support to unblock execution Desired: At the Senior & Staff level: * * Exposure to AI or machine learning principles or projects. * Knowledge of cloud-based platforms (AWS, Azure) and distributed systems. * Ability to ramp up on new technologies, solution against well defined problems and to be iterative about building. * Passion for innovation and exploring emerging technologies. * Experience working in remote or globally distributed teams. * Contributions to open source or tech community projects. Location  This role will be remote, and based in India (only in Karnataka, Tamil Nadu, Telangana, Maharashtra, Delhi). 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. 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.