Principal, Full Stack Software Engineer

Job description

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.

See yourself at Twilio
Join the team as our next Principal Software Engineer in the Efficiency Engineering team in Services Operations.

About The Job
This position is needed to reinvent how we operate at Twilio with AI and software automations for Customer Support, Operations and Sales teams.

The Principal Software Engineer position will serve as a key technical leader in our Efficiency Engineering group.

This position will directly influence the architecture, design, development and deployment of our full-stack applications.

This role requires an engineering product mindset to deliver well-architected solutions that drive business outcomes and meet the needs of our customers - improving operational efficiency, driving sales revenue, and delivering beautiful product experiences.

Joining this high-performing, bar-raising team offers the opportunity to work on cutting-edge AI/ML and software engineering platforms that constantly push the envelope of the art of the possible while driving efficiency and customer success at a global scale.

Success means delivering high-quality products on time, effectively collaborating with cross-functional teams, and significantly contributing to Twilio's strategic goals.

Responsibilities
In this role, you'll:

• Provider leadership on the design and development of our software infrastructure, driving technical vision and strategy to ensure scalability, reliability, and performance.
  
  
• Serve as the subject matter expert in distributed systems, data technologies, with strong software engineering skills.
  
  
• Architect and implement scalable and efficient software solutions, workflow automations, data pipelines, storage solutions, and processing frameworks using state-of-the-art technologies.
  
  
• Drive technical innovation and research to stay at the forefront of emerging data technologies and best practices.
  
  
• Mentor and coach a team of talented engineers, fostering a culture of technical excellence, collaboration, and continuous learning.
  
  
• Collaborate closely with cross-functional teams to understand business requirements and translate them into scalable and efficient technical solutions.
  
  
• Ensure data quality, integrity, and security throughout the data lifecycle, adhering to industry best practices and compliance standards.
  
  

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:
• 8+ years experience in building production-quality software applications
• 5+ years experience in a technical leadership role
• Bachelor's or Master's degree in Computer Science or a related field; or equivalent industry experience;
• Proficient with building on cloud architecture and distributed systems, preferably on AWS
• Proficient with full-stack software development using modern programming languages
• Experienced with Typescript and Javascript development is required
• Experienced with documenting software architecture and technical blueprints
• Solid understanding of engineering fundamentals and common design patterns.
  
  

Desired

• Strong experience with AWStechnologies and Kubernetes
• Excellent written and verbal communication skills.
  
  
• Experience with standard ML programming languages such as Python and libraries such as Pandas, NumPy, SciKit-learn, Tensorflow, Keras and AWS stack (Sagemaker, Step Functions, Kendra, Open Search, Batch etc.) is a plus.
  
  
• Experience developing production-quality LLM applications and using modern agent frameworks such as Langchain, Langgraph, Llamaindex, LangSmith, LangFuse, CrewAI, and/or others is a plus.
  
  
• Expertise in big data technologies such as Hadoop, Spark, Kafka, and cloud-based data services (AWS/GCP/Azure).
  
  

Location
This role will be remote, and based in Colombia.


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.

The successful candidate's starting salary will be determined based on permissible, non-discriminatory factors such as skills, experience, and geographic 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.

Required Skill Profession

Other General