Sr. Solutions Engineer, Mid- Enterprise

Klaviyo; Boston (MA); On-site; USD 118,400 - 177,600; Full time

Job summary

Klaviyo in Boston, MA seeks an experienced Solutions Engineer to own the technical strategy for high-stakes mid‑enterprise deals and to prototype solutions using AI and automation. You will lead technical strategy, architect solutions, and collaborate with sales to win complex opportunities.

You will become a trusted advisor, mastering Klaviyo’s product at a deep level, conducting technical workshops, and delivering proofs of value that demonstrate clear business impact for customers across

Qualifications

• 4+ years in Solutions Engineering or Pre‑Sales.
• 4+ years leading technical strategy in complex Enterprise deals.
• Experience with Python, JS, REST APIs, SQL, and mobile development exposure.
• Familiarity with AI-assisted development tools (Codex, Claude Code).
• Strong domain knowledge in marketing automation, CDPs, and eCommerce analytics.
• Excellent discovery, requirements gathering, and executive communication.

Responsibilities

• Own technical strategy for the most complex opportunities with minimal oversight.
• Lead technical discovery and identify differentiators for the win.
• Host workshops aligning solutions to business outcomes with executives.
• Develop proofs of value and prototype improvements to showcase differentiation.
• Collaborate with account executives on deal strategy and competitive intelligence.

Skills

Solutions Engineering

Python

JavaScript

REST APIs

SQL

AI tools

Marketing automation

CDPs

eCommerce

Communication

Tools

Codex

Claude Code

Job description

About the Opportunity

At Klaviyo, the Sales team prides themselves on being marketing and product experts. While most companies hire pre‑sales Solutions Engineers to just give demos, fill out questionnaires, and only explain setups, that makes us yawn.

We're looking for a Solutions Engineer who brings deep technical mastery, strategic thinking, and the ability to own the most complex, high‑stakes Mid‑Enterprise deals. This is a high‑impact individual contributor role for someone who gets energized by ambiguity, rolls up their sleeves to master our product at a molecular level, and uses AI and automation to punch above their weight.

As an SE, you'll be a trusted advisor to both customers and our sales organization – leading technical strategy in 6‑7 figure deals, owning solution design, and setting the standard for SE excellence through your work.

What We Do as Solutions Engineers

We're technical sellers who drive revenue by winning complex deals. Our job is to lead the technical win – building champions, proving value, and ensuring prospects choose Klaviyo over the competition. We work directly with customers to architect solutions that integrate seamlessly into their tech stacks, taking a consultant‑first approach that builds confidence and secures technical buy‑in.

Beyond closing deals, we use customer engagements as opportunities to prototype and ship improvements to Klaviyo. Recent team projects include AI‑powered demo data generators, a public Chrome extension for troubleshooting API calls, web SDK injectors, and templatized mobile apps for showcasing our SDK capabilities.

How You’ll Make a Difference

Lead the Technical Win in High‑Stakes, Complex Deals

• Own technical strategy for the most complex opportunities – navigating multi‑layered stakeholder environments, competitive pressures, and sophisticated buying processes with minimal oversight.
• Drive advanced technical discovery, uncovering nuanced pain points and proactively identifying differentiation opportunities.
• Host technical workshops aligning solutions to business outcomes with executive presence and strategic communication.
• Architect and execute Proof of Value plans that achieve technical selection over competition.
• Partner with AEs on deal strategy, bringing competitive intelligence and industry expertise to influence outcomes.

Bring Subject Matter Expertise and Industry Leadership

• Serve as a domain expert in marketing technology, CDPs, AI‑driven personalization, analytics, and eCommerce.
• Act as go‑to resource for competitive and industry landscape questions.
• Build strong R&D relationships, actively collaborating to drive positive outcomes and shape Klaviyo's roadmap.
• Contribute high‑impact content to the SA Learning Library and mentor peers through example.

Operate with Deep Technical Mastery and Innovation

• Become a complete expert in Klaviyo's platform from data pipelines and integration codebases to technical tradeoffs between implementations.
• Develop broad, advanced familiarity with web development, APIs, cloud computing, and software development practices – confidently coaching experienced engineers on complex solutions.
• Leverage AI tools and automation to scale your impact and deliver better customer outcomes.
• Prototype solutions and build proof‑of‑concepts that demonstrate Klaviyo's differentiation.

Who You Are

Required:

• 4+ years in Solutions Engineering or Pre‑Sales – with 4+ years leading technical strategy in high‑complexity Enterprise deals (6‑7 figures) with minimal oversight.
• 4+ years across modern development stacks: Python, JavaScript frameworks (Node.js, React), RESTful APIs, SQL, mobile development exposure.
• Familiarity with AI‑assisted development tools (Codex, Claude Code) and emerging patterns like MCP.
• Strong domain knowledge in marketing automation, CDPs, eCommerce systems, analytics, or data engineering.
• Advanced discovery and requirements gathering skills – navigating multi‑layered stakeholder environments.
• Executive presence and exceptional communication – impressing prospects from executive to developer level.
• Demonstrated ability to handle challenging conversations, manage objections, and deliver strategic insights.

What Sets You Apart:

• You’ve used AI to scale effectiveness – automation, research, solution design, or development.
• You bring deep competitive intelligence and know the landscape intimately.
• You’ve built strong R&D relationships and drive outcomes through influence without authority.
• You roll up your sleeves – you dig in, figure it out, and become the expert.
• You’ve elevated team performance through your example and enablement contributions.
• You thrive in ambiguity and fast‑moving environments.

Ready to make an impact? Let’s talk.

Our salary range reflects the cost of labor across various U.S. geographic markets. The base salary offered for this position is determined by several factors, including the applicant’s job‑related skills, relevant experience, education or training, and work location.

Base Pay Range For US Locations: $118,400 $177,600 USD

Massachusetts Applicants: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.