Senior Backend Engineer – Workflows

Hi, I’m Matt, Director of Engineering at Customer.io. I’m looking for a Senior Backend Engineer to join our Workflows squad, where you’ll play a pivotal role in developing the backbone of our customer engagement platform. Our squad plays a critical role at the heart of our mission to empower companies to build meaningful connections with their customers through personalized communication. As our next great teammate, you’ll help push the boundaries of what’s possible in customer engagement technology.

Why You’ll Love Working Here:

You will directly contribute to the core features that drive Customer.io’s mission, helping businesses create meaningful conversations at scale.
You’ll tackle the type of complex problems related to scalability, data processing, and high availability that many engineers can only dream of.
Work within the Workflows squad, collaborating closely with frontend engineers, product managers, and designers to deliver features that enhance user satisfaction and our shared success.
Enjoy the flexibility to work anywhere in the world, supported by a culture that values diversity and inclusion and emphasizes work-life balance.
Some Things You’ll Do:

Design and implement robust services in Go that enhance our ability to scale dynamically and handle increasing volumes of data efficiently.
Improve our data handling and storage solutions, ensuring they can support the complex workflows our customers design.
Work closely with the product team to understand customer needs and translate these into impactful features.
Identify and address performance bottlenecks in our current systems, ensuring high reliability and responsiveness.
Guide other engineers, promoting best practices in software development and fostering a culture of technical excellence.
What We’re Looking For:

Preferably 7+ years of backend development experience, with a proven track record of developing high-performance, scalable, distributed systems.
Strong proficiency in Go; experience with cloud infrastructure services; adept at building and maintaining cloud-native applications.
Solid experience with relational databases, particularly MySQL, with a knack for writing optimized queries and designing effective database schemas.
Capable of diagnosing and resolving complex technical issues, committed to improving existing systems and processes.
Excellent communication skills and a collaborative spirit, comfortable working in a distributed team environment and engaging with various stakeholders.
Works North/South American time zones
Preferred Qualifications:

Background in industries that demand high scalability and reliability.
Mastery in developing asynchronous task systems, real-time data processing, and performance optimization.
Proven ability to lead projects and mentor engineers towards achieving excellence in code and system architecture.
About Customer.io
Our mission at Customer.io is to power automated communication that people like to receive. Today over 7,100 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 – $184,000 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:
30 minute video call with a Recruiter
60 minute Technical Interview with two members of our engineering team
Take Home Assignment
60 minute Assignment Review Call with two members of our engineering team
60-minute Interview with Hiring Manager