Lead Software Engineer New Products
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Job Location:
Boston, NH - USA
Monthly Salary:
Not Disclosed
Posted on:
11 hours ago
Vacancies:
1 Vacancy
Job Summary
Lead Software Engineer New Products
About the Role
Were looking for a Lead Software Engineer to set technical direction and drive delivery for some of Klaviyos most ambitious new product this role youll operate as a technical owner for major product areasshaping architecture guiding execution and ensuring that teams deliver high-impact high-quality solutions at speed.
Youll partner closely with Product Design and Engineering leadership to translate bold ideas into scalable systems. As a Lead youll tackle the most complex technical challenges make high-stakes trade-off decisions and raise the bar for engineering excellence across the New Products organization. Youll also be a force multipliermentoring senior and mid-level engineers influencing best practices and helping the team move faster and smarter.
The New Products team drives Klaviyos most ambitious innovationscreating and scaling the companys boldest new bets. As a nimble group with a flat structure and fast-moving culture we prioritize simplicity speed and impact. Every team member is expected to take radical ownershiprolling up their sleeves collaborating across disciplines and pushing beyond traditional role boundaries to make things happen. Success in this role means setting the standard for technical leadership execution velocity and product quality while helping shape Klaviyos future through experimentation creativity and disciplined execution.
What Youll Do
- Own technical strategy and architecture for major product initiatives.
- Lead the design and delivery of complex end-to-end systems across frontend and backend.
- Drive critical technology decisions balancing long-term vision with near-term execution.
- Mentor senior and mid-level engineers supporting their growth and raising team-wide standards.
- Partner with Product and Design to shape product direction and technical feasibility.
- Establish and reinforce best practices for code quality testing reliability and performance.
- Champion the use of AI-first workflows and systems responsibly integrating new tools to improve developer productivity and product capability.
What Were Looking For
- A strong track record of building and scaling high-quality products and systems.
- 8 years of professional software engineering experience.
- Deep experience designing and delivering complex end-to-end solutions.
- Proven ability to lead large projects or technical domains with accountability for outcomes.
- Experience influencing technical direction beyond your immediate team.
- Strong mentoring and coaching skills especially for senior engineers.
- Expertise in code reviews testing strategies and production readiness.
- Comfort operating in fast-paced ambiguous environments.
- Hands-on experience experimenting with AI tools and workflows with a strong interest in building AI-centered systems and processes.
Nice to Have
- Strong experience with Python and related technologies.
- Strong experience with React and modern frontend frameworks.
- Experience building digital marketing or customer data platforms.
- Experience with machine learning or applied AI systems.
- Experience building cloud-native systems ideally on AWS.
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Required Experience:
IC
Key Skills
- Spring
- .NET
- C/C++
- Go
- React
- OOP
- C#
- Data Structures
- JavaScript
- Software Development
- Java
- Distributed Systems
About Company
Klaviyo unifies AI-powered email marketing and SMS to drive growth, retention, and measurable results. Build personalized, omnichannel experiences across WhatsApp, ecommerce, and more with K:AI Agents.
