Events  Deals  Jobs 
    Sign in  
Twilio // platform for building messaging applications
Engineering, Full Time    Denver, Colorado, United States    Posted: Tuesday, September 15, 2020
Apply To Job

Because you belong at Twilio.

The Who, What, Why & Where

Twilio is growing rapidly & seeking a Principal Software Engineer to be a key contributor & technical leader for our Customer Lifecycle Engineering team, where you will design & develop features that impact all points in the customer lifecycle. You will use the latest distributed systems programming techniques & technologies, including micro-services, Kubernetes, AWS cloud infrastructure & APIs. The person in this role will bring with them the ability to build large-scale highly available software platforms, communicate effectively with cross-functional teams, lead the execution of key initiatives, translate architectural concepts into concrete system designs & have a tremendous drive to hone their craft. 


Twilio is looking for a principal software engineer who lives the Twilio Magic & has a demonstrated track record of building & maintaining complex backend systems in a dynamic environment using the latest data center technologies, both on-prem & in the cloud. You will be a part of the technical leadership that drives technical decisions & works across several scrum teams responsible for the backend systems that power the sign-up/sign-in, billing & account management platforms for our customers. 

You also have:

  • Extensive experience with building large-scale, high-availability, robust distributed systems.
  • Demonstrated success in building & maintaining reliable & performant software that tolerates & recovers from unreliable dependencies throughout the entire software lifecycle.
  • Exceptional critical thinking, problem solving & cross-team communication skills.
  • Clear ability to translate architectural concepts into concrete system designs to address product & business needs, & able to lead the execution of key initiatives for the team.
  • Strong background in mentoring software engineers of varying experience levels
  • Recent experience working within widely-adopted cloud platforms such as AWS, Azure, or GCP.
  • Extensive experience designing & creating RESTful APIs that support a wide variety of backend services.
  • Proficient with SQL/NoSQL databases & distributed cache systems (e.g. Redis). DynamoDB a plus.
  • Strong experience with stream processors such as Kafka, Kinesis, etc.
  • Expert OO background & software engineering expertise (coding, automated tests, profiling, monitoring, etc) with experience in more than one modern programming language including Go (Preferred), Java, Scala, C# and/or Python.
  • Recent experience working with Docker & Kubernetes.


As a Principal Software Engineer, you will live the Twilio Magic values:

  • WRITE IT DOWN: Communicate effectively & distill complex thoughts & concepts to technical & non-technical audiences including but not limited to group & team leadership, product managers & engineering peers. Document technology decisions & implementations, & support epic & story refinement. 
  • DRAW THE OWL: Identify opportunities for improvement across both technology & process. Use your foresight & experience to keep our systems effectively running now & in the future through profiling, load testing, failure testing, monitoring & much more to have confidence in the robustness of the systems we deploy. 
  • BE INCLUSIVE: Collaborate to support strong team results & build effective working relationships. Be an expert to mentor, teach & lead while championing engineering best practices.
  • RUTHLESSLY PRIORITIZE: Exhibit good priority & time management skills to support sprint commitments.
  • BE AN OWNER & BE BOLD: Lead or assist in all aspects of technology decisions, including strategy, efficiencies, open source offerings, & integration details. Champion meticulous, high quality engineering & be a role model for software development habits & practices for distributed systems. 
  • EMPOWER OTHERS: Interact extensively across all functional teams within Twilio & encourage collaborative solutions.
  • NO SHENANIGANS: Ensure the consistent exercise of appropriate judgment & transparency in all your communications & interactions. Use your advanced engineering, communication & organizational skills to ensure we deliver what the business wants & needs.


The Customer Lifecycle team is central to Twilio's continued growth. We work closely with stakeholders & product teams to design & implement the infrastructure for all customer activities on our system. This includes everything from sign-up/sign-in to billing & account management.

Twilio is a company that is empowering the worlds developers with modern communication in order to build better applications. Twilio is truly unique; we are a company committed to your growth, your learning, your development, & your entire employee experience. We only win when our employees succeed & we're dedicated to helping you develop your strengths. We have a cultural foundation built on diversity, inclusion, & innovation & we want you & your ideas to thrive at Twilio.


This position will be located in our beautiful office at 1801 California St. in Denver, CO. You will enjoy our incredible perks: catered meals, snacks, game room, ergonomic desks, access to our building fitness center, monthly All Hands & more.

You will also be part of a company that believes in small teams for maximum impact; that strives to balance work & home life; that understands that this is a marathon, not a sprint; that continuously & purposefully builds an inclusive culture where everyone is able to do & be the best version of themselves. We seek people who naturally demonstrate our values, who are challenged by problems, empower others to thrive, & can draw the owl & not be beholden to one playbook.

About us:

Millions of developers around the world have used Twilio to unlock the magic of communications to improve any human experience. Twilio has democratized communications channels like voice, text, chat, video & email by virtualizing the worlds communications infrastructure through APIs that are simple enough for any developer to use, yet robust enough to power the worlds most demanding applications. By making communications a part of every software developers toolkit, Twilio is enabling innovators across every industry from emerging leaders to the worlds largest organizations to reinvent how companies engage with their customers.

Twilio is proud to be an equal opportunity workplace & is an affirmative action employer. We are committed to equal opportunity regardless of race, color, ancestry, religion, gender, gender identity, parental or pregnancy status, national origin, sexual orientation, age, citizenship, marital status, disability, or Veteran status & operate in compliance with the San Francisco Fair Chance Ordinance.

Apply To Job
© 2020 GarysGuide      About    Feedback    Press    Terms