Software Engineer, Infrastructure/Back-end (Senior/Staff levels)

About Kustomer

Kustomer is the industry leading conversational CRM platform perfecting every customer experience. Built with intelligent tools such as AI and Automation, no code-configuration and a connected data platform that unifies data from multiple sources through a single timeline, Kustomer empowers businesses to operate with greater efficiency and deliver more personalized service to customers across any channel, making every interaction more meaningful and memorable. Today, Kustomer is the core platform for leading brands like Abercrombie, Nuts.com, Skims, Turo, Priceline and Sweetgreen.

Kustomer was founded in 2015 by serial entrepreneurs Brad Birnbaum and Jeremy Suriel and has raised over $200M in funding backed by leading VCs. Meta announced its intention to acquire Kustomer in 2020 and completed the transaction in 2022. Kustomer joined Meta’s Business Messaging Group to transform the way people and businesses communicate through modern messaging channels. In 2023, Kustomer spun out from Meta as a standalone company backed by original partners, Battery, Redpoint and Boldstart Ventures, who have invested $60M in capital, ensuring Kustomer’s growth and success for many years to come. 

Our Krew is made up of passionate and collaborative people who really care about what they do and the people they help. We look for people who are dedicated to enhancing the customer service experience for everyone involved, as it's the core of what we do. We're growing our business with no plans of slowing down. We actively seek individuals who want to learn and be challenged every day. Kustomer has a strong NYC presence and is also a remote friendly company, with Krew members located throughout the US. We believe in togetherness to help foster strong relationships, collaboration and communication, and our Krew gets together for Kamp Kustomer each year.

About the Role

As a Software Engineer at Kustomer, you will be responsible for building systems and abstractions that will be used by teams across the company. You will join a team of experienced engineers and have ample opportunities to continue learning and growing. This role sits on our Foundation team - part of your responsibilities on this team will include improving the developer experience, application observability, and designing architectural changes in critical backend components including database sharding strategies, event bus performance, scaling search systems, and improving end to end latency. We believe in ownership and are looking for people driven to continuously ship new, impactful features and capabilities for our users. This role’s responsibilities are divided into 75% backend systems and 25% infrastructure and may vary depending on a number of factors.

What You’ll Do:

• Analyze, design, develop, maintain and improve software infrastructure and platform to expand its automation capabilities

  • Improve the efficiency of development testing

  • Measure, report and drive improvements on scalability, performance, and availability

  • Respond to on-call alerts when the system is experiencing issues

  • Refactor application services and code as needed 

  • Lead, plan, and execute large scale system migrations

• Participate in cross-team initiatives to drive engineering best-practices

  • Conduct code and architecture reviews across the platform

  • Provide education and support to the engineering team in systems architecture design

  • Stay regularly involved with and lead initiatives around on-call rotations, application performance monitoring, development environments, monorepo vs microservices architecture, and storage and networking optimizations

  • Lead various scalability initiatives across backend systems

  • Proactively identify systemic inefficiencies, design and implement improvements

• Collaborate with the InfoSec team to drive compliance, observability and automation for the security of our platform

  • Work closely with the Security team to address gaps during audits to satisfy compliance requirements

  • Manage security vulnerabilities and upgrade schedules for EOL (End of Life) software

  • Lead or assist in security investigations as needed

Our Tech Stack:

• Javascript (React/node.js), Go

• AWS Cloud, MongoDB, Redis, Elasticsearch

Minimum requirements: 

• Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience

• 6+ years experience building and managing large scale, highly available, distributed web applications

• Mastery of a high-level programming language like Go, Python, JavaScript, etc.

• Experience with large complex database migrations and sharding/partitioning strategies

• Experience designing distributed systems

• Experience with observability tools (ELK/Prometheus/Coralogix/distributed tracing)

Nice To Have:

• You have Github activity showing thoughtful, relevant contributions

• You have a working knowledge of writing code and scripts in more than one language

• You have experience with IaC tools such as Terraform

• You have experience designing sharding configurations for databases

• You have experience developing internal tools for others

• You have experience creating SLAs, SLOs, SLIs

#LI-Remote

HIPAA Compliance

All roles at Kustomer may involve handling sensitive personal data.

Benefits

Kustomer offers an array of benefits including competitive salaries, stock options, 100% healthcare coverage, 401K, WiFi and Mobile reimbursement, and a generous vacation policy.

Diversity & Inclusion at Kustomer

Kustomer is committed to bringing together individuals from different backgrounds and perspectives.

We strive to create an inclusive environment where everyone can thrive, feel a sense of belonging, and do great work together.We are proud to be an equal opportunity employer open to all qualified applicants regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or expression, Veteran status, or any other legally protected status.

Disclaimer: Kustomer only contacts candidates from company email addresses ending in kustomer.com and does not seek funds from candidates in any circumstances.