Hi, I'm Mamun - Site Reliability Engineering Manager. Customer.io is looking for a collaborative Site Reliability Engineer (SRE) who loves solving interesting puzzles and is excited to help us build out a scalable, reliable platform that our customers love. The successful candidate should also be able work independently when needed and be able to lead other SREs.

Our small, remote-first team is fun-loving, passionate and highly effective. We offer a lot of opportunity to grow and refine your skills while having a significant impact. The other members of our site reliability team have backgrounds in a wide variety of industries, from Telecom to Gaming, with 10 - 20 years of experience in DevOps. We believe that embracing our unique perspectives and expertise is key to our success as a collaborative team.

We are seeking product-minded, empowered individuals who work collaboratively with their peers on interesting problems, and get those solutions into the hands of customers quickly. We value diversity, attracting the best people in the world to serve as colleagues. Our flexibility and freedom to work from anywhere in the world enables you to craft a work environment in which you can do your best work.

As a Site Reliability Engineer you will:

  • Design, build, and maintain core infrastructure pieces that allow Customer.io scaling to support real-time processing and delivery of billions of messages
  • Plan the growth of Customer.io’s infrastructure
  • Automate the deployment process to make it as boring as possible
  • Be on our on-call rotation to respond to Customer.io availability incidents and provide support for technical support engineers with customer incidents
  • Ensure we have adequate observability of our infrastructure and applications.
  • Debug production issues across services and levels of the stack.
  • Take an active role in a friendly and supportive team that encourages you and the entire company to grow as individuals, professionals, and teams
  • Learn, practice, and share with your coworkers through code review, pair programming, team collaboration, and training to help improve our collective knowledge and best practices together

What we're looking for:

  • Preferably 7+ years of experience as a site reliability engineer and/or software engineer
  • Experience in managing and working with RDB systems (MySQL)
  • A solid understanding of problems of scalability and experience deploying and managing distributed applications on cloud infrastructure
  • Proven experience building cloud infrastructure via code using Terraform and automating operational toil
  • Deep knowledge of UNIX environments and the ability to apply modern collaborative development practices.
  • Go experience is a nice to have, but most of our engineers have succeeded while picking it up on the job
  • Experience working with Google Cloud Platform is nice to have
  • A collaborative mindset backed by excellent communication skills and a desire to help us make great decisions in an empathetic and respectful way
  • Ability to work independently in your timezone and make progress on tasks and projects without needing frequent guidance
  • Ability to work with all Engineering teams and lead technical discussions and solve problems
  • Inclination to proactively find problems and solve them
  • Ability to coach junior SREs and elevate them.
  • Ability to take on long-term projects and see them through completion
  • A security-first mindset
  • A self-starter who values synchronous and asynchronous work
  • Based in APAC time zones

We understand that you might not have all the skills we've listed, and that's okay. If you have a combination of some of the items listed and you're interested in developing in the others, we want to hear from you!

About Customer.io

Our mission at Customer.io is to power automated communication that people like to receive. Today over 7,600 internet businesses use Customer.io to manage, send, and track the performance of emails, SMS, push notifications, and in-app messages. Unlike typical marketing platforms, Customer.io helps businesses increase relevance by using behavioral data: what people do or don’t do when logged in to a web or mobile app.

We are offering a starting salary of $160,000 - $180,000 USD (or equivalent in local currency) depending on experience and subject to market rate adjustment.

Benefits at Customer.io include:

  • Unlimited PTO - we encourage at least 20 vacation days (in addition to holidays and sick days) so that you can unwind, unplug, and recharge
  • 16 weeks paid parental leave (including adoption and foster care)
  • 100% paid insurance premiums for you and your dependents
  • 401k retirement matching - up to 5% dollar-for-dollar match to retirement contributions
  • $1,500 annual healthy lifestyle budget (for gym memberships, classes, fitness equipment)
  • $250/monthly Remote Work Stipend to be used for home internet, cell phone, and other miscellaneous remote work costs
  • $300/month co-working space rental reimbursement
  • $2,000/yearly professional education budget for conferences, courses, workshops, books, etc.
  • $1,500 home office budget to make sure your working space is ergonomic and just what you need to do your best work!
  • One month sabbatical after five years at Customer.io
  • We also have opportunities to meet in person with your peers throughout the year

All final candidates will be asked to complete a background check and employment verifications as part of our pre-employment process.

Customer.io recognizes the stifling impact of systemic injustice on diverse communities. We commit to using our influence to increase inclusion and equity within the tech industry. We strive to build an inclusive team culture, implement bias-free hiring practices, and develop community partnerships to expand our global impact.

Join us!

Check out our careers page for more information about why you should come work with us! We are passionate about our core values of Empathy, Transparency, Responsibility, and Awkwardness and are looking for new coworkers to share and build that passion!

How to apply

Apply at the link below and tell us why you're interested in the position! We plan to respond to all applicants with a status update about your application.

Here's what you can expect from our hiring process:

  1. 30-minute video call with a Recruiter

  2. 60-minute video call with the Hiring Manager

  3. Take Home Assignment

  4. 90-minute Technical Interview & Assignment Review Call

  5. Final Interview with the Head of Platform

 

Apply for this Job

* Required
resume chosen  
(File types: pdf, doc, docx, txt, rtf)
cover_letter chosen  
(File types: pdf, doc, docx, txt, rtf)


Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

As set forth in Customer.io’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

Race & Ethnicity Definitions

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.


Voluntary Self-Identification of Disability

Form CC-305
Page 1 of 1
OMB Control Number 1250-0005
Expires 04/30/2026

Why are you being asked to complete this form?

We are a federal contractor or subcontractor. The law requires us to provide equal employment opportunity to qualified people with disabilities. We have a goal of having at least 7% of our workers as people with disabilities. The law says we must measure our progress towards this goal. To do this, we must ask applicants and employees if they have a disability or have ever had one. People can become disabled, so we need to ask this question at least every five years.

Completing this form is voluntary, and we hope that you will choose to do so. Your answer is confidential. No one who makes hiring decisions will see it. Your decision to complete the form and your answer will not harm you in any way. If you want to learn more about the law or this form, visit the U.S. Department of Labor’s Office of Federal Contract Compliance Programs (OFCCP) website at www.dol.gov/ofccp.

How do you know if you have a disability?

A disability is a condition that substantially limits one or more of your “major life activities.” If you have or have ever had such a condition, you are a person with a disability. Disabilities include, but are not limited to:

  • Alcohol or other substance use disorder (not currently using drugs illegally)
  • Autoimmune disorder, for example, lupus, fibromyalgia, rheumatoid arthritis, HIV/AIDS
  • Blind or low vision
  • Cancer (past or present)
  • Cardiovascular or heart disease
  • Celiac disease
  • Cerebral palsy
  • Deaf or serious difficulty hearing
  • Diabetes
  • Disfigurement, for example, disfigurement caused by burns, wounds, accidents, or congenital disorders
  • Epilepsy or other seizure disorder
  • Gastrointestinal disorders, for example, Crohn's Disease, irritable bowel syndrome
  • Intellectual or developmental disability
  • Mental health conditions, for example, depression, bipolar disorder, anxiety disorder, schizophrenia, PTSD
  • Missing limbs or partially missing limbs
  • Mobility impairment, benefiting from the use of a wheelchair, scooter, walker, leg brace(s) and/or other supports
  • Nervous system condition, for example, migraine headaches, Parkinson’s disease, multiple sclerosis (MS)
  • Neurodivergence, for example, attention-deficit/hyperactivity disorder (ADHD), autism spectrum disorder, dyslexia, dyspraxia, other learning disabilities
  • Partial or complete paralysis (any cause)
  • Pulmonary or respiratory conditions, for example, tuberculosis, asthma, emphysema
  • Short stature (dwarfism)
  • Traumatic brain injury

PUBLIC BURDEN STATEMENT: According to the Paperwork Reduction Act of 1995 no persons are required to respond to a collection of information unless such collection displays a valid OMB control number. This survey should take about 5 minutes to complete.


Our system has flagged this application as potentially being associated with bot traffic. Please turn off any VPNs, clear your browser cache and cookies, or try submitting your application in a different browser. If this issue persists, please reach out to our support team via our help center.
Please complete the reCAPTCHA above.