Backend Software Engineer Jobs at Klaviyo with Visa Sponsorship

Klaviyo's backend engineering teams work on high-scale data infrastructure, API systems, and platform reliability for a global marketing automation product. The company has an established process for sponsoring work visas across its engineering functions, making it a realistic target for international backend engineers building a U.S. career.

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Overview

Open Jobs48+
Top Visa TypeH-1B
Work Type88% On-site
Median Salary$145K
Top LocationBoston, MA
Most JobsKlaviyo

Showing 5 of 48+ Backend Software Engineer Jobs at Klaviyo jobs

Klaviyo
Software Engineer II, Growth
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Klaviyo
Added 1w ago
Software Engineer II, Growth
Klaviyo
Boston, Massachusetts
Software Engineering
Data Science & Analytics
Technical Product & Program Management
Full-stack Engineering
Backend Engineering
$116,000/yr - $174,000/yr
On-Site
Associate's

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Klaviyo
Software Engineer II Devx
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Klaviyo
Added 1w ago
Software Engineer II Devx
Klaviyo
Boston, Massachusetts
Software Engineering
Cloud & DevOps
Backend Engineering
$116,000/yr - $174,000/yr
On-Site
3+ yrs exp.
Associate's

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Klaviyo
Software Engineer II - Billing
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Klaviyo
Added 1w ago
Software Engineer II - Billing
Klaviyo
Boston, Massachusetts
Software Engineering
Backend Engineering
Full-stack Engineering
$116,000/yr - $174,000/yr
On-Site
3+ yrs exp.
Associate's

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Klaviyo
Software Engineer - Core Reporting
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Klaviyo
Added 1w ago
Software Engineer - Core Reporting
Klaviyo
Boston, Massachusetts
Software Engineering
Full-stack Engineering
Backend Engineering
$116,000/yr - $174,000/yr
On-Site
2+ yrs exp.
Associate's

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Klaviyo
Software Engineer - Advanced Reporting
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Klaviyo
Added 1w ago
Software Engineer - Advanced Reporting
Klaviyo
Boston, Massachusetts
Software Engineering
Data Science & Analytics
Cloud & DevOps
Full-stack Engineering
Backend Engineering
$116,000/yr - $174,000/yr
Hybrid
2+ yrs exp.
Associate's

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Tips for Finding Backend Software Engineer Jobs at Klaviyo Jobs

Align your portfolio with Klaviyo's stack

Klaviyo's backend runs on Python and relies heavily on distributed systems, event-driven architecture, and large-scale data pipelines. Tailor your GitHub portfolio and resume to reflect hands-on experience with these before applying.

Target roles specifying H-1B sponsorship explicitly

Not every open role at Klaviyo is posted with identical sponsorship language. Filter for backend positions that confirm visa sponsorship in the job description so your application lands with a team already prepared for the filing process.

Time your application around H-1B cap deadlines

USCIS opens H-1B registrations in March each year for an October 1 start date. If you need cap-subject H-1B sponsorship, targeting Klaviyo in Q4 of the prior year gives you enough runway for offer, filing, and lottery selection.

Clarify your visa timeline in the offer stage

Once you have a verbal offer, ask the recruiter directly whether Klaviyo uses an in-house immigration team or outside counsel. This tells you how quickly the Labor Condition Application can be filed with DOL and sets realistic start date expectations.

Use Migrate Mate to track Klaviyo's open backend roles

Search Migrate Mate's job board filtered by Klaviyo and backend engineering to surface active roles with confirmed sponsorship. This saves time compared to manually monitoring Klaviyo's careers page across multiple posting cycles.

Prepare for green card conversations early

Klaviyo sponsors EB-2 and EB-3 green cards for engineering roles, which require PERM labor certification through DOL. Asking about green card sponsorship policy during the offer stage signals long-term commitment and helps you plan your immigration timeline realistically.

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Frequently Asked Questions

Does Klaviyo sponsor H-1B visas for Backend Software Engineers?

Yes, Klaviyo sponsors H-1B visas for Backend Software Engineer roles. Backend engineering is a core function at Klaviyo, and the company has a consistent track record of supporting H-1B filings for this discipline. When reviewing job postings, look for explicit sponsorship language in the listing to confirm the specific role is included.

Which visa types does Klaviyo commonly use for Backend Software Engineer roles?

Klaviyo sponsors H-1B visas for backend engineers requiring nonimmigrant work authorization. For longer-term pathways, the company also supports EB-2 and EB-3 immigrant visa categories, which involve PERM labor certification filed with the Department of Labor. The right visa type depends on your current immigration status, country of birth, and career stage.

What qualifications and experience does Klaviyo expect for Backend Software Engineer roles?

Klaviyo's backend engineering roles typically require strong Python proficiency, experience building and maintaining distributed systems, and familiarity with high-volume data processing. Roles closer to senior level also expect experience with API design and platform reliability at scale. A computer science degree or equivalent demonstrated engineering experience is standard for H-1B specialty occupation eligibility.

How do I apply for Backend Software Engineer jobs at Klaviyo?

You can browse and apply for Backend Software Engineer roles at Klaviyo through Migrate Mate, which filters for positions with confirmed visa sponsorship so you're not wasting time on listings that won't support your status. From there, applications go through Klaviyo's standard recruiting pipeline, which typically includes a recruiter screen, technical assessments, and a system design interview loop.

How do I manage my immigration timeline when targeting a role at Klaviyo?

If you're pursuing cap-subject H-1B sponsorship, Klaviyo needs to submit your registration during USCIS's March lottery window for an October 1 start. If you're already in H-1B status with another employer, Klaviyo can file an H-1B transfer, which allows you to start work as soon as USCIS receives the petition. Build at least 60 to 90 days into your timeline between offer acceptance and your target start date.

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