Mechanical Engineer Jobs at Klaviyo with Visa Sponsorship
Klaviyo hires Mechanical Engineers to support the hardware and infrastructure behind its marketing technology platform. The company has a track record of sponsoring work visas for engineering talent, making it a realistic target if you're pursuing H-1B or employment-based Green Card sponsorship in the tech sector.
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INTRODUCTION
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 JOB
Why You Should Join the Onboarding Team
The Product Expansion / Activation team at Klaviyo is focused on improving the early experience of Klaviyo for new customers. We work diligently to improve the rate at which customers are successfully setting up their Klaviyo account and gaining value from the platform. Engineers on the team use data to discover opportunities for improvement, implement A/B tests to validate ideas, and work across the product to iteratively improve UX and reduce friction for new customers. We are looking for great generalist software engineers with a passion for the experience-layer that have an interest in or experience with growing a user-base and building a great customer onboarding pipeline and experience.
HOW YOU WILL MAKE A DIFFERENCE
- In this role, you will implement user-experience improvements across the Klaviyo product, especially in areas that affect new customers.
- You will design and implement A/B tests to validate ideas, and interpret the results of these tests to inform iterative improvements to the product.
- You will collaborate with marketing, data-science, sales, and engineering teams to discover areas for improvement, as well as engaging with customers directly to learn more about how we can better serve their needs.
- You will help us improve our experimentation and development processes, and mentor other engineers on the team.
- You will clearly define the goal, constraints, and context for AI agents, while remaining responsible for the correctness of the implementation, with a focus on security, performance, and maintainability.
- Working from our Boston HQ at least three days a week.
WHO YOU ARE
- Have a background in full stack software engineering with experience building and improving products with an emphasis on user-facing features, along with the APIs and infrastructure to support them.
- Passionate about growing and improving a product on a daily basis using a data driven mindset.
- Experienced with A/B Testing products with metric based goals to improve user experience and customer acquisition and success (nice to have).
- Demonstrated ability and success in using AI-driven software delivery practices and methods and/or a willingness and excitement to learn.
- Thrives in an entrepreneurial type environment that is fast paced, customer focused, and strategic.
TECHNOLOGIES WE USE
HTML, TypeScript, JavaScript, React
Python, Django
MySQL, Cassandra, RabbitMQ, Redis
Amazon Web Services (EC2, RDS, Aurora, etc.), Terraform, Ansible, Packer, and other DevOps tools
COMPENSATION
- Base Pay Range For US Locations: $116,000—$174,000 USD
Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. 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.
This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events. Travel is coordinated in advance.
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.

INTRODUCTION
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 JOB
Why You Should Join the Onboarding Team
The Product Expansion / Activation team at Klaviyo is focused on improving the early experience of Klaviyo for new customers. We work diligently to improve the rate at which customers are successfully setting up their Klaviyo account and gaining value from the platform. Engineers on the team use data to discover opportunities for improvement, implement A/B tests to validate ideas, and work across the product to iteratively improve UX and reduce friction for new customers. We are looking for great generalist software engineers with a passion for the experience-layer that have an interest in or experience with growing a user-base and building a great customer onboarding pipeline and experience.
HOW YOU WILL MAKE A DIFFERENCE
- In this role, you will implement user-experience improvements across the Klaviyo product, especially in areas that affect new customers.
- You will design and implement A/B tests to validate ideas, and interpret the results of these tests to inform iterative improvements to the product.
- You will collaborate with marketing, data-science, sales, and engineering teams to discover areas for improvement, as well as engaging with customers directly to learn more about how we can better serve their needs.
- You will help us improve our experimentation and development processes, and mentor other engineers on the team.
- You will clearly define the goal, constraints, and context for AI agents, while remaining responsible for the correctness of the implementation, with a focus on security, performance, and maintainability.
- Working from our Boston HQ at least three days a week.
WHO YOU ARE
- Have a background in full stack software engineering with experience building and improving products with an emphasis on user-facing features, along with the APIs and infrastructure to support them.
- Passionate about growing and improving a product on a daily basis using a data driven mindset.
- Experienced with A/B Testing products with metric based goals to improve user experience and customer acquisition and success (nice to have).
- Demonstrated ability and success in using AI-driven software delivery practices and methods and/or a willingness and excitement to learn.
- Thrives in an entrepreneurial type environment that is fast paced, customer focused, and strategic.
TECHNOLOGIES WE USE
HTML, TypeScript, JavaScript, React
Python, Django
MySQL, Cassandra, RabbitMQ, Redis
Amazon Web Services (EC2, RDS, Aurora, etc.), Terraform, Ansible, Packer, and other DevOps tools
COMPENSATION
- Base Pay Range For US Locations: $116,000—$174,000 USD
Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. 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.
This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events. Travel is coordinated in advance.
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.
See all 48+ Mechanical Engineer at Klaviyo jobs
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Get Access To All JobsTips for Finding Mechanical Engineer Jobs at Klaviyo Jobs
Align your portfolio to hardware-adjacent tech
Klaviyo is a software company, so Mechanical Engineer roles there typically support physical infrastructure, data center hardware, or product development. Frame your portfolio around systems that interface with electronics, thermal management, or manufacturing at scale.
Research Klaviyo's LCA filings before applying
The Department of Labor publishes certified Labor Condition Applications, which show the job titles and prevailing wage levels Klaviyo has filed for. Cross-reference these with open roles to confirm the position is likely sponsored and that your target title has precedent.
Time your application around H-1B cap deadlines
If you need cap-subject H-1B sponsorship, USCIS opens the registration window in March for an October 1 start. Factor this into your offer negotiation timeline so Klaviyo can register you before the window closes.
Prepare a credentials evaluation before interviewing
If your engineering degree is from outside the United States, get a NACES-member credential evaluation before your first technical round. Klaviyo's hiring teams will need to confirm your degree meets specialty occupation requirements for the H-1B petition.
Use Migrate Mate to filter Klaviyo's open roles by visa type
Searching for sponsoring employers manually is slow and unreliable. Migrate Mate lets you filter Klaviyo's Mechanical Engineer openings specifically by visa type, so you can confirm sponsorship eligibility before investing time in the application process.
Clarify Green Card sponsorship scope during the offer stage
H-1B approval gets you in the door, but PERM labor certification and EB-2 or EB-3 sponsorship require separate employer commitment. Ask explicitly during offer negotiations whether Klaviyo initiates Green Card sponsorship and at what tenure milestone.
Mechanical Engineer at Klaviyo jobs are hiring across the US. Find yours.
Find Mechanical Engineer at Klaviyo JobsFrequently Asked Questions
Does Klaviyo sponsor H-1B visas for Mechanical Engineers?
Yes, Klaviyo sponsors H-1B visas for Mechanical Engineer roles. The company has an active history of filing H-1B petitions for engineering positions, which you can verify through Department of Labor LCA disclosure data. If you need cap-subject sponsorship, make sure your application timeline accounts for the USCIS registration window in March and the October 1 start date.
How do I apply for Mechanical Engineer jobs at Klaviyo?
Applications go through Klaviyo's careers portal, where Mechanical Engineer openings are listed under the Engineering or Hardware function. You can also browse and filter Klaviyo's open roles by visa sponsorship type on Migrate Mate, which surfaces positions relevant to your work authorization status before you apply. Tailor your resume to highlight hardware systems, infrastructure, or product development experience relevant to a software company's engineering needs.
Which visa types does Klaviyo commonly sponsor for Mechanical Engineers?
Klaviyo sponsors both H-1B nonimmigrant visas and employment-based immigrant visas, specifically EB-2 and EB-3 Green Card categories, for Mechanical Engineer roles. H-1B is the most common initial pathway. EB-2 typically applies to roles requiring an advanced degree or exceptional ability, while EB-3 covers positions filled by professionals with a bachelor's degree. Both paths require the employer to initiate the PERM labor certification process.
What qualifications does Klaviyo expect for Mechanical Engineer roles?
Klaviyo's Mechanical Engineer roles typically require a bachelor's degree or higher in Mechanical Engineering or a closely related field, which is also the minimum to satisfy H-1B specialty occupation requirements. Practical experience with hardware systems, thermal or mechanical design, or manufacturing processes relevant to technology infrastructure strengthens your candidacy. For senior roles, hands-on experience with cross-functional product development in a software or SaaS environment is a meaningful differentiator.
How long does the visa sponsorship process take at Klaviyo?
For H-1B sponsorship, count on at least three to six months from offer acceptance to USCIS filing, accounting for LCA certification by the Department of Labor, which takes seven business days under standard processing. USCIS then takes two to four months to adjudicate the petition under regular processing, or two to three weeks with premium processing. Green Card sponsorship through PERM is a separate, longer process that typically spans one to three years from initiation.
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