
The CRM platform for growth-focused B2C brands
Klaviyo, headquartered in Boston, MA, is a leading CRM platform specifically designed for B2C brands. With over 100,000 customers, including notable names like Uncommon Goods and Chubbies, Klaviyo integrates marketing automation, analytics, and customer service into a single solution. The company ha...
Klaviyo offers a comprehensive benefits package including private medical insurance, an employee stock purchase plan, company equity, generous parenta...
Klaviyo fosters a data-driven culture that emphasizes the integration of analytics and messaging to empower eCommerce brands. The company values innov...

Klaviyo • Boston, MA
Klaviyo is hiring a Senior Software Engineer to lead initiatives that enhance product offerings and support company growth. You'll work with both front-end and back-end technologies to develop innovative solutions. This role requires strong experience in software engineering and a collaborative mindset.
You have 5+ years of experience in software engineering, with a strong focus on both front-end and back-end technologies. You are adept at developing innovative solutions that enhance product offerings and support company growth. Your background includes leading key initiatives and mentoring junior engineers, ensuring that you contribute to both the technical and cultural aspects of the team.
You possess deep expertise in JavaScript and frameworks such as React and Node.js, allowing you to tackle complex challenges and develop multiple solutions. You understand the importance of evaluating business and technical trade-offs to determine the best path forward. Your experience includes deploying well-designed, thoroughly tested solutions that ensure reliability and performance.
You thrive in a collaborative environment and are comfortable working in a fast-paced culture that prioritizes simplicity, speed, and impact. You appreciate diverse perspectives and understand that everyone brings unique experiences to the workplace. You are eager to learn and grow, and you encourage others to do the same.
Experience with cloud technologies and deployment strategies is a plus, as is familiarity with agile methodologies. You may also have experience in mentoring or leading teams, which will help you drive key technology decisions within the New Products team.
As a Senior Software Engineer at Klaviyo, you will lead key initiatives that enhance our product offerings and support our company’s growth. You will play a crucial role in shaping outcomes by developing innovative end-to-end solutions using both front-end and back-end technologies. Your responsibilities will include optimizing existing products and creating new solutions that redefine what’s possible for our customers.
You will tackle complex challenges and develop multiple solutions, evaluating business and technical trade-offs to determine the best path forward. Additionally, you will act as a leader and mentor, driving key technology decisions and ensuring that your team delivers high-quality solutions.
You will be responsible for deploying well-designed, thoroughly tested solutions that ensure reliability and performance. Your work will directly impact Klaviyo’s most ambitious innovations, as you create and scale the company’s boldest new bets. You will collaborate closely with cross-functional teams to ensure that your solutions meet the needs of our users and align with our strategic goals.
At Klaviyo, we offer a supportive and inclusive work environment where you can thrive. You will have the opportunity to work on innovative projects that make a real difference for our customers. We provide competitive compensation and benefits, as well as opportunities for professional development and growth.
Join us in our mission to empower creators to own their own destiny. We believe in the power of diverse backgrounds and experiences, and we encourage you to apply even if your experience doesn't match every requirement. Together, we can shape the future of our products and the success of our company.
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