Senior Pre-Sales Solutions Engineer - Enterprise

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At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny.

About the Opportunity

At Klaviyo, the Sales team prides itself on being made up of marketing and product experts. While many companies hire pre-sales Solutions Engineers simply to give demos, fill out questionnaires, and explain setups, that approach makes us yawn.

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

As a Senior 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 Solutions Engineering excellence through your work.

What We Do as Solutions Engineers

We’re technical sellers who drive revenue by winning complex Enterprise deals. Our job is to own 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 that showcase our SDK capabilities.

If you’re a creator excited by winning high-stakes deals, prototyping technical solutions, and driving strategic revenue outcomes, this could be the role for you.

How You’ll Make a Difference

Lead the Technical Win in High-Stakes, Complex Deals

• Own technical strategy for the most complex Enterprise 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 that align solutions to business outcomes, demonstrating executive presence and strategic communication
• Architect and execute Proof of Value plans that secure technical selection over competitors
• Partner closely 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 a go-to resource for competitive and industry landscape questions
• Build strong relationships with R&D, collaborating to drive positive outcomes and influence Klaviyo’s roadmap
• Contribute high-impact content to the SE Learning Library and mentor peers through example

Operate with Deep Technical Mastery and Innovation

• Become an expert across Klaviyo’s platform, from data pipelines and integrations to technical trade-offs between implementations
• Develop broad, advanced familiarity with web development, APIs, cloud computing, and modern software development practices
• Confidently coach experienced engineers on complex solution design
• Leverage AI tools and automation to scale impact and improve customer outcomes
• Prototype solutions and build proof-of-concepts that clearly demonstrate Klaviyo’s differentiation

Who You Are

Required

• 5+ years of experience in Solutions Engineering or Pre-Sales, with 3+ years leading technical strategy on high-complexity Enterprise deals (6–7 figures) with minimal oversight
• 5+ years working across modern development stacks, including Python, JavaScript frameworks (Node.js, React), RESTful APIs, SQL, and some exposure to mobile development
• Familiarity with AI-assisted development tools (e.g. Codex, Claude Code) and emerging patterns such as MCP
• Strong domain knowledge in marketing automation, CDPs, eCommerce systems, analytics, or data engineering
• Advanced discovery and requirements-gathering skills across multi-layered stakeholder environments
• Executive presence with exceptional communication skills, from executive-level conversations to deep technical discussions
• Proven ability to manage objections, handle challenging conversations, and deliver strategic insights

What Sets You Apart

• You’ve used AI to scale your effectiveness through automation, research, solution design, or development
• You bring deep competitive intelligence and understand the landscape intimately
• You build strong R&D relationships and drive outcomes through influence rather than authority
• You roll up your sleeves, dig in, and become the expert
• You elevate team performance through example and enablement
• You thrive in ambiguity and fast-moving environments

#LI-Hybrid

We use Covey as part of our hiring and / or promotional process. For jobs or candidates in NYC, certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound on April 3, 2025.

Please see the independent bias audit report covering our use of Covey here

Our salary range reflects the cost of labour in the country where the job post is advertised. 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.

In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.

Your recruiter can provide more details about the specific salary/OTE  range for your preferred location during the hiring process.

Base Pay Range in Local Currency:

£86,400—£129,600 GBP

Get to Know Klaviyo

We’re Klaviyo (pronounced clay-vee-oh). 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. To reach our goals, we need our own crew of remarkable creators—ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you’re ready to do the best work of your career, where you’ll be welcomed as your whole self from day one and supported with generous benefits, we hope you’ll join us.

AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop). We provide accommodations as needed.

By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process. For more information about how we process your personal data, see our Job Applicant Privacy Notice.

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.

IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non-company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls.

By clicking "Submit Application" you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice.  If you do not wish for Klaviyo to process your Personal Data, please do not submit an application.You can find our Job Applicant Privacy Noticehere and here (FR).