Senior Accountant

Klaviyo
Boston, MAPosted 24 February 2026

Job Description

<div class="content-intro"><p><em>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 <a class="_ymio1r31 _ypr0glyw _zcxs1o36 _mizu194a _1ah3dkaa _ra3xnqa1 _128mdkaa _1cvmnqa1 _4davt94y _4bfu18uv _1hms8stv _ajmmnqa1 _vchhusvi _kqswh2mm _ect4ttxp _syaz13af _1a3b18uv _4fpr8stv _5goinqa1 _f8pj13af _9oik18uv _1bnxglyw _jf4cnqa1 _30l313af _1nrm18uv _c2waglyw _1iohnqa1 _9h8h12zz _10531ra0 _1ien1ra0 _n0fx1ra0 _1vhv17z1" href="http://klaviyo.com/careers" data-renderer-mark="true">klaviyo.com/careers</a> to see how we empower creators to own their own destiny.</em></p></div><h3><strong>About the Role</strong></h3> <p>We are seeking a highly motivated and detail-oriented Senior Accountant to join our Accounting team. Reporting to the Accounting Manager, this role will own complex accounting areas, support the monthly and quarterly close process, and play a key role in ensuring accurate, timely, and compliant financial reporting. The Senior Accountant will work cross-functionally within Finance and across the business, support external audits, and help drive process improvements as the company continues to scale.</p> <p>This role offers meaningful exposure to technical accounting topics, senior finance leadership, and ongoing opportunities to improve and optimize accounting processes in a fast-paced, growing environment.</p> <h3><strong>What You’ll Do</strong></h3> <ul> <li>Own and manage complex areas of accounting, ensuring accuracy and compliance with GAAP</li> <li>Support and drive key aspects of the month-end and quarter-end close, including journal entries, account reconciliations, variance analysis, and reporting</li> <li>Review work prepared by Staff Accountants and provide coaching and feedback to support development</li> <li>Apply a strong understanding of SOX principles, including the design, execution, and documentation of internal controls</li> <li>Partner with external auditors by preparing audit requests, responding to inquiries, and supporting audit walkthroughs and testing</li> <li>Collaborate cross-functionally with FPA, Procurement, Legal, and other teams to support accurate financial reporting</li> <li>Analyze financial results to identify discrepancies, risks, and opportunities for improvement</li> <li>Lead and support process improvement initiatives to increase efficiency, accuracy, and scalability</li> <li>Manage and prioritize multiple work streams simultaneously while consistently meeting deadlines</li> <li>Leverage the company’s ERP system (NetSuite preferred) and related tools to ensure accurate and timely reporting</li> <li>Leverage AI-powered tools and automation where appropriate to improve accuracy, efficiency, and scalability of accounting processes</li> </ul> <h3><strong>What Success Looks Like</strong></h3> <ul> <li>Quickly develop a strong understanding of assigned accounting areas and responsibilities</li> <li>Become proficient in the Accounting team’s systems and processes (e.g., NetSuite, Coupa, Workday)</li> <li>Identify gaps in existing processes and proactively recommend improvements</li> <li>Consistently deliver accurate work while managing competing priorities</li> <li>Build strong working relationships across the Accounting team and broader organization</li> <li>Begin identifying opportunities to responsibly use AI and automation to streamline workflows, improve controls, and enhance reporting efficiency</li> </ul> <h3><strong>Who You Are</strong></h3> <ul> <li>Detail-oriented with strong analytical and problem-solving skills</li> <li>Comfortable operating in a fast-paced, evolving environment</li> <li> ... (truncated, view full listing at source)