Senior Software Engineer, Twilio

$138.7-203.9k

Salary applicable to applicants in California, Colorado, Hawaii, Illinois, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Washington D.C., and Washington State, may vary for other locations

React

AWS

Kubernetes

TypeScript

JavaScript

Python

GraphQL

Scala

Java

Node.js

REST API

Golang

Mid and Senior level

Remote from US

More information about location

Cloud communications software

Be an early applicant

Cloud communications software

1001+ employees

B2BArtificial IntelligenceCommunicationInternet of ThingsMachine LearningCloud Computing

Be an early applicant

$138.7-203.9k

React

AWS

Kubernetes

TypeScript

JavaScript

Python

GraphQL

Scala

Java

Node.js

REST API

Golang

Mid and Senior level

Remote from US

More information about location

1001+ employees

B2BArtificial IntelligenceCommunicationInternet of ThingsMachine LearningCloud Computing

Company mission

To enable innovators across every industry - from emerging leaders to the world’s largest organisations - to reinvent how companies engage with their customers.

Job

Company

Role

Who you are

We’re looking for a Senior Software Engineer to help evolve the next generation of our audience management platform
4+ years of work experience building enterprise-ready web applications
3+ years of experience writing production-grade backend code in a modern programming language (e.g., NodeJS, Golang, Python, Java, Scala, or similar)
Familiarity with front-end technologies like JavaScript, TypeScript, React (or similar frameworks), and GraphQL
Experience working with stakeholders at all levels - be able to dive into the nuts and bolts of how things work as needed
Experience working with cloud-based infrastructure (AWS preferred)
Collaborating with internal/external teams/engineers and fostering an inclusive environment, where all points of view are welcomed and encouraged
Self drive - you take complete ownership of your tasks and champion efforts to get your tasks to completion
Excellent written and spoken communication skills
Degree in Computer Science or a related field, or equivalent work experience

Desirable

Bias to action, ability to iterate and ship rapidly
Familiarity with Cloud Solutions, AWS, Kubernetes/EKS, CI/CD pipelines, Testing & Automation
Experience contributing to architecture and design (architecture, design patterns, reliability and scaling) of new and current systems
Ability - and excitement to - learn and own multiple domains of the platform (microservices, REST APIs, back-end services) from inception to deployment and maintenance, while making best-in-class technical decisions that impact the success of the company

What the job involves

Join the team as Twilio’s next Senior Software Engineer within the Segment Audiences team
This position will be part of the Twilio Engage Audiences team which builds, maintains, and continually improves the user interfaces and APIs that power Segment’s audience-building capabilities
Our team enables customers to create rich, real-time and warehouse-sourced audiences that drive personalized engagement across channels and tools
As a customer-obsessed company, we aim to delight users with intuitive workflows, fast performance, and reliable in-app experiences
This role involves scaling a complex front-end architecture while delivering new, user-friendly features
The product surface is deep and rapidly evolving - requiring close collaboration with design and research to iterate quickly and thoughtfully
You will work closely with design, product management, and other engineers to identify areas for improvement, maintain a high bar for reliability and usability, and continuously refine the end-to-end experience of audience creation and activation
You’ll be expected to evaluate and communicate trade-offs between feature velocity, system stability, and technical debt, and help drive architectural decisions that ensure long-term sustainability and performance
Design and build user-friendly, scalable full-stack features that power Segment’s audience-building and activation experiences
Collaborate cross-functionally with design, product, and other engineers to define solutions that balance usability, performance, and long-term architecture
Communicate technical decisions clearly - articulating trade-offs, customer impact, and team alignment
Mentor junior engineers and contribute to a culture of technical excellence and continuous learning
Troubleshoot and improve system reliability, debugging issues and refining operational tooling and processes
Support strategic initiatives that impact the broader Twilio Engage platform and engineering organization

Application process

Applications for this role are intended to be accepted until August 4th, 2025, but may change based on business needs

Our take

Traditionally, it has been difficult for businesses to establish communications systems in-house. Twilio was founded from frustration with this expensive and cumbersome process, providing easy-to-use APIs to let businesses send and receive telephone and text communications.

From these beginnings, the company has expanded through acquisitions and product development to provide a suite of services around market data and customer engagement. It is now a market leader in this space, and has developed a customer base of more than 150,000 businesses including enterprise brands such as Deliveroo, Duolingo and Toyota.

With that said, aggressive expansion and lack of maturity in some of its products has impacted the company's efficiency, and like many of its peers it has been forced to restructure heavily to remain competitive. Coming out of this restructuring, the company will focus on profitability, streamlining decision making and R&D to put itself in good stead for future success.

Kirsty

Company Specialist at Welcome to the Jungle

Insights

Top investors

35% employee growth in 12 months

Glassdoor (3.7)

Company

Funding (last 2 of 6 rounds)

Jul 2015

$130m

SERIES E

Jun 2013

$70m

SERIES D

Total funding: $250.7m

Company benefits

Generous annual time off in all countries
Comprehensive health programs
Programs to help our employees plan for their retirement needs
Generous maternity, paternity, and adoption leaves, as well as family medical care leave
Build and present a Twilio app to earn your Twilio track jacket and receive $30 per month for e-books for continued learning and education
Variety of snacks, drinks, and catered meals in each of our locations
Work from home opportunities

Company HQ

Financial District, San Francisco, CA

Leadership

Khozema Shipchandler

(CEO, not founder)

Has been at the company since 2018, beginning as CFO then working as COO, President of Communications then CEO. Prior to this, spent 20 years at GE, ultimately as CCO of GE Digital.

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