Role Overview
Klaviyojobs is hiring a mid-level Software Engineer II. This is a full-time role in Boston. posted 2 weeks ago. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job description
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.
Develop software features that thousands of our customers rely on daily to reach millions of consumers to drive their business forward. Craft highly scalable real-time data pipeline that processes billions of events weekly across data sets growing to petabyte scale. Work on deep analytics system that provides insight into hundreds of terabytes of data. Help architect and design robust and high performance data processing and storage systems leveraging new data bases to serve different internal and external use cases. Contribute to open source data processing technologies. Dig into performance and scalability issues to drive breakthrough solutions. Ship code early & often in an agile fashion, pairing with product management to craft better software by soliciting feedback from thousands of end users. Telecommuting permitted 2 days/week. Multiple positions. Full-time. EEO/fully supports affirmative action practices.
Minimum Requirements (education and years of experience): Master's degree in Computer Science, Computer Engineering, Software Engineering, Electronics Engineering, or Electrical Engineering and 1 year of experience in job offered or closely related engineering role.
Experience with the following:
Distributed system architectures;
Caching technologies including Redis;
Relational Database Management Systems including MySQL;
Connection pooling;
Queuing and streaming technologies like RabbitMQ, Pulsar, or Kafka; and
JavaScript.
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
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.
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.
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.
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.
About Klaviyojobs
Frequently Asked Questions
How do I apply for the Software Engineer II position at Klaviyojobs?
Use the Apply button above to submit your application directly to Klaviyojobs. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Software Engineer II position at Klaviyojobs located?
This position is based in Boston. Klaviyojobs has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Software Engineer II at Klaviyojobs earn?
Klaviyojobs has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Software Engineer II role at Klaviyojobs posted?
This role was posted on June 23, 2026 (16 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
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