Impress employers and recruiters.
Choose from hundreds of resume examples.
Impress employers and recruiters.
Choose from hundreds of resume examples.
Tailor your resume to this Senior Software Engineer role.
Rezi rewrites your resume against Klaviyo's job description. Free.
Tailor your resume to this Senior Software Engineer role.
Rezi rewrites your resume against Klaviyo's job description. Free.
Don't guess if your resume is good enough.
See how it scores against the Senior Software Engineer posting at Klaviyo — free, in seconds.
Don't guess if your resume is good enough.
See how it scores against the Senior Software Engineer posting at Klaviyo — free, in seconds.
About the Role
Our team is looking for a Senior Full Stack Engineer to lead key initiatives that will enhance our product offerings and support our company’s growth. In this role, you'll play a crucial part in shaping outcomes by developing innovative end-to-end solutions using both front-end and back-end technologies. You’ll optimize existing products and create new solutions that redefine what’s possible for our customers. As a Senior Engineer, you’ll tackle complex challenges, develop multiple solutions, and evaluate business and technical trade-offs to determine the best path forward. You’ll also act as a leader and mentor, and drive key technology decisions. Additionally, you’ll be responsible for deploying well-designed, thoroughly tested solutions that ensure reliability and performance. Customer Hub is an entrepreneurial team pioneering one of Klaviyo's boldest bets: reinventing how ecommerce brands personalize the shopper journey. We're bringing personalization on-site, building a unified account experience for shoppers across every touchpoint, and turning that into measurable conversion lift. As a nimble group with a fast-moving culture, we prioritize simplicity, speed, and impact. Every team member is expected to take radical ownership—rolling up their sleeves, collaborating across disciplines, and pushing beyond traditional role boundaries to make things happen. Success in this role means delivering exceptional work that sets the standard for velocity and results company-wide, while helping shape Klaviyo’s future through experimentation, creativity, and executional excellence.
Responsibilities
- Developing innovative end-to-end solutions using both front-end and back-end technologies.
- Optimizing existing products and creating new solutions.
- Tackling complex challenges and developing multiple solutions.
- Evaluating business and technical trade-offs.
- Acting as a leader and mentor.
- Driving key technology decisions.
- Deploying well-designed, thoroughly tested solutions.
- Taking radical ownership and collaborating across disciplines.
- Pushing beyond traditional role boundaries to make things happen.
- Delivering exceptional work that sets the standard for velocity and results.
- Helping shape Klaviyo’s future through experimentation, creativity, and executional excellence.
Requirements
- A proven track record of building high-quality products and systems, with pride in writing clean, high-quality code.
- 5+ years of experience in a software engineering role.
- Strong experience developing end-to-end software solutions or extensive experience with both front-end and back-end technologies.
- Experience working with React and related technologies.
- Experience leading projects and being accountable for their outcomes.
- Experience mentoring team members or driving initiatives that help the team learn new skills.
- Experience conducting code reviews and running a robust testing cycle.
- Experience working in agile, fast-paced environments.
- Experience using AI effectively in software development and delivery, leveraging AI tools to build smarter systems and ways of working from the ground up.
Skills
- React
- Python
- Django
- Typescript
- AWS
Location
- US Locations
Work Type
- Full-time
- Hybrid
Experience Level
- Senior
Salary/Compensations
- $148,000—$222,000 USD
Benefits
- Participation in the company’s annual cash bonus plan
- Variable compensation (OTE) for sales and customer success roles
- Equity
- Sign-on payments
- Comprehensive range of health, welfare, and wellbeing benefits
About the Company
- We empower creators to own their destiny by making first-party data accessible and actionable like never before.
- We see limitless potential for the technology we’re developing to nurture personalized experiences in ecommerce and beyond.
- We are looking for ambitious and collaborative teammates who stay focused on our north star: delighting our customers.
- AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop).
Equal Opportunity
- Klaviyo is committed to a policy of equal opportunity and non-discrimination.
- We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.