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.
At Klaviyo, our mission is to help businesses grow by delivering personalized experiences powered by unique data insights. The ARIA team plays a crucial role in facilitating this mission by ensuring seamless integration of various SaaS systems, databases, and cloud infrastructures, enabling our clients to derive actionable insights and drive their business objectives.
The Senior Integrations Engineer will be at the forefront of this mission, tasked with developing and maintaining complex integrations that support the scalability and efficiency of our platforms. The role involves architecting robust solutions that integrate cloud services, databases, and third-party applications using tools like AWS, GitHub, and Python. You will be pivotal in implementing and optimizing automation tools such as Workato or Mulesoft, ensuring our systems operate with high reliability and minimal manual intervention.
As a Senior Integrations Engineer, you will own the end-to-end integration processes and partner cross-functionally with Product, Engineering, and Customer Success teams. Your collaboration with stakeholders will ensure the delivery of high-quality solutions that enhance customer satisfaction and operational efficiency.
This is a rare and exciting opportunity to shape the technology landscape at Klaviyo. You will work on cutting-edge integrations that have a direct impact on business growth and customer engagement. Join us to be part of a dynamic team that values innovation, collaboration, and technical excellence.
How You’ll Make a Difference
- Lead the design and implementation of integrations across various SaaS platforms, ensuring they are robust, scalable, and well-documented, in alignment with Klaviyo’s growth strategy.
- Develop and maintain cloud infrastructure integrations using AWS to ensure seamless data flow and process automation between Klaviyo and external SaaS systems, enhancing operational efficiency.
- Utilize advanced features of integration tools such as Workato or Mulesoft to automate repetitive tasks, increasing productivity and allowing our teams to focus on strategic initiatives.
- Collaborate with Product and Engineering teams to identify integration needs and develop tailored solutions that enhance our product capabilities and customer experiences.
- Ensure all integrations are secure and compliant with industry standards, protecting customer data and maintaining trust in Klaviyo's platforms.
- Monitor and troubleshoot integration processes to quickly resolve issues, ensuring high system uptime and reliability, which is critical to customer satisfaction.
- Build and maintain technical documentation for integrations, providing clear guidelines and insights to internal stakeholders and customers.
- Drive continuous improvement in integration processes by staying updated on industry trends and refining our approaches to meet evolving business needs.
- Partner with Customer Success teams to gather feedback on integration performance and incorporate enhancements that align with customer requirements and perceptions.
- Mentor junior engineers and share expertise on integration best practices, fostering a culture of learning and development within the team.
Who You Are
- You possess at least 5 years of experience in designing and implementing complex integrations using AWS, GitHub, and Python, demonstrating strong technical proficiency.
- You have a deep understanding of automation tools such as Workato or Mulesoft, with experience in creating efficient workflows that improve system operations.
- You are an excellent problem solver with a keen attention to detail, able to troubleshoot integration issues quickly and effectively.
- You have a collaborative mindset, with proven experience working cross-functionally with diverse teams to achieve shared goals.
- You are customer-focused and committed to delivering high-quality solutions that exceed expectations and drive business success.
- You have strong communication skills, able to convey complex technical concepts to non-technical stakeholders in an understandable manner.
- You are proactive and take ownership of your work, always seeking ways to improve processes and products.
- You are adaptable and open to learning, eager to stay ahead of industry trends and continuously enhance your skills.
Nice to Haves
- Experience with automating solutions in tools like Salesforce, bolstering CRM capabilities and integrations.
- Familiarity with event-driven architectures and experience with event streams, optimizing real-time data processing.
- Previous experience in a SaaS environment, gaining insights into the unique challenges and opportunities within the industry.
- Understanding of RESTful APIs and experience in creating and consuming them for seamless application connectivity.
- Knowledge of database management and data warehousing, enhancing your ability to design comprehensive integration solutions.
Why This Role Matters
The Senior Integrations Engineer role is pivotal to Klaviyo's strategic growth as it addresses the increasing demand for seamless integration of diverse technology platforms. Successfully integrating various SaaS applications and automating key processes will enable Klaviyo to offer unparalleled data-driven insights and efficiencies to our clients, fostering greater customer loyalty and engagement.
By driving innovation in integrations and automation, this role directly impacts our ability to scale and adapt to the fast-evolving market needs. It empowers us to offer robust, agile, and secure solutions that our customers can trust, ultimately contributing to Klaviyo’s reputation as a leader in personalized marketing solutions. The right candidate will have the opportunity to be at the forefront of transformative technology initiatives, shaping the future direction of our platform, and adding significant value to both the company and our clientele.
***This role is hybrid in our Boston, MA office. The in-office expectation is three (3) times per week***
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.
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.
Skills Required
- 5+ years of product management experience
- Experience with automation, workflow, or integration products
- Experience productizing AI and ML capabilities
- Ability to partner with Engineering, IT, People, and Business Operations
- Deep experience translating operational problems into product requirements
- Data-driven mindset with product impact metrics
- Expertise in enterprise tool ecosystems
What the Team is Saying
Klaviyo Compensation & Benefits Highlights
How does Klaviyo ensure its pay and bonus plans are competitive?
Klaviyo supports competitive pay through a total rewards approach that combines salary, equity, bonus opportunities, benefits, learning support and a performance culture tied to measurable impact.
- Competitive total rewards: Klaviyo’s benefits overview highlights competitive salaries, 401(k) match, employee referral bonuses, equity, an employee stock purchase plan, flexible paid time off, commuter/transit support, fitness reimbursements, mental and emotional wellbeing programming and learning support. External reviews reinforce the value of the package, with employees citing competitive pay, bonuses, RSUs, ESPP, health insurance, parental leave, unlimited PTO and learning stipends as meaningful parts of the employee experience.
- Pay connected to impact and outcomes: Klaviyo’s handbook frames performance around ownership, clarity and measurable results. The value “Know the score” states that results matter more than effort alone, while “Drivers wanted” emphasizes proactive ownership and “Be meticulous in your craft” reinforces a high bar for work quality. That creates a compensation and recognition philosophy where strong outcomes, not just activity, are central to advancement and rewards.
- Equity and long-term value: Equity is a visible part of Klaviyo’s rewards story. Klaviyo offers equity packages to all full-time employees, vesting over four years, and provides an employee stock purchase plan. That ownership opportunity sits within a growing business: in Q1 2026, Klaviyo reported $358 million in revenue, up 28% year over year, and raised full-year 2026 revenue guidance to $1.514 billion to $1.522 billion. Those business results give employees a clear connection between company performance, long-term growth and the value of ownership-based compensation.
- Rewards supported by growth and development benefits: Klaviyo’s compensation package is paired with benefits that help employees grow their careers and build long-term value. K-Pro Learn, learning stipends, mentorship, Career Architecture and manager development programs support continued skill-building. A customer success manager noted that Klaviyo offers a learning stipend for job-related coaching or training, while employee survey insights show 78% of respondents feel they are gaining the skills and experience to grow their careers.
- External signals:
- Compensation Sentiment: External reviews frequently praise Klaviyo’s competitive salary, bonuses, equity, RSUs, ESPP, 401(k) match, learning stipend and generous benefits. (Glassdoor; Comparably)
- Rewards Ratings: Comparably rates Klaviyo’s compensation an A and perks and benefits an A. (Comparably)
- Employee Value Signals: Reviews highlight PTO, health insurance, parental leave, office amenities, learning support and work-life balance as part of the overall rewards package. (Glassdoor; Comparably)
Bottom line: Klaviyo keeps compensation competitive by combining salary, bonus opportunities, equity, ESPP, retirement support, benefits and learning resources with a culture that rewards ownership, measurable outcomes and long-term impact.
Klaviyo Insights
What We Do
Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency, and drive revenue.
Why Work With Us
We refer to our employees as ‘Klaviyos’, and we make up a diverse community united around shared values: We’re curious, collaborative, driven, innovative, fun, and fully ourselves at work. No matter which team you join, your work won’t just impact Klaviyo. It’ll help empower our customers and enable creators across the globe to own their destinies.
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Klaviyo Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
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