
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 Lead Software Engineer for their Email Platforms team to design and scale high-throughput email delivery systems. You'll work with Java and AWS to drive the architecture of messaging infrastructure. This role requires significant experience in software engineering and leadership.
You have 5+ years of experience in software engineering, with a strong background in building scalable systems. You understand the intricacies of high-throughput email delivery and have a passion for creating reliable infrastructure that supports enterprise-level operations. Your leadership skills shine as you guide a team of engineers, fostering collaboration and innovation.
Your expertise in Java is complemented by a solid understanding of AWS services, allowing you to design and implement robust solutions. You thrive in hands-on roles where you can contribute to code while also shaping the technical direction of your team. You are comfortable navigating complex technical challenges and enjoy mentoring junior engineers to help them grow.
You appreciate diverse perspectives and understand the value of different backgrounds in driving creativity and problem-solving. You are committed to delivering high-quality solutions that enhance customer satisfaction and business success. You are proactive in seeking out opportunities for improvement and are not afraid to challenge the status quo.
Experience with email delivery systems or messaging infrastructure is a plus. Familiarity with performance optimization techniques and monitoring tools will help you excel in this role. You are open to learning new technologies and methodologies that can enhance your team's capabilities.
As a Lead Software Engineer on the Email Platforms team, you will be responsible for designing and scaling the infrastructure that supports Klaviyo's email delivery. You will lead a group of engineers in developing high-throughput systems that ensure reliable and performant email sending for some of the largest brands in the world. Your role will involve driving the architecture of the messaging infrastructure and owning critical components of the email pipeline.
You will collaborate closely with cross-functional teams to understand customer needs and translate them into technical requirements. Your hands-on contributions will include coding, system design, and strategic planning. You will also be involved in performance monitoring and optimization to ensure the highest levels of deliverability and customer satisfaction.
In this role, you will have the opportunity to shape the technical direction of the team and influence the evolution of Klaviyo's email delivery infrastructure. You will mentor and guide junior engineers, helping them develop their skills and advance their careers. Your work will directly impact the success of Klaviyo as we scale to meet the demands of larger enterprise accounts.
Klaviyo offers a collaborative and inclusive work environment where you can thrive. We value the unique backgrounds and experiences of our team members and believe in empowering creators to own their own destiny. You will have access to professional development opportunities and the chance to work on innovative projects that make a difference.
We provide competitive compensation and benefits, including health insurance, retirement plans, and flexible work arrangements. Join us at Klaviyo and be part of a team that is transforming the email delivery landscape.
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