Senior Accountant

Location: Boston

This job is with Klaviyo, an inclusive employer and a member of my Gwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.

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.

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About the Role
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.

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.

What You’ll Do

Own and manage complex areas of accounting, ensuring accuracy and compliance with GAAP

Support and drive key aspects of the month-end and quarter-end close, including journal entries, account reconciliations, variance analysis, and reporting

Review work prepared by Staff Accountants and provide coaching and feedback to support development

Apply a strong understanding of SOX principles, including the design, execution, and documentation of internal controls

Partner with external auditors by preparing audit requests, responding to inquiries, and supporting audit walkthroughs and testing

Collaborate cross-functionally with FP&A, Procurement, Legal, and other teams to support accurate financial reporting

Analyze financial results to identify discrepancies, risks, and opportunities for improvement

Lead and support process improvement initiatives to increase efficiency, accuracy, and scalability

Manage and prioritize multiple work streams simultaneously while consistently meeting deadlines

Leverage the company’s ERP system (Net Suite preferred) and related tools to ensure accurate and timely reporting

Leverage AI-powered tools and automation where appropriate to improve accuracy, efficiency, and scalability of accounting processes

What Success Looks Like

Quickly develop a strong understanding of assigned accounting areas and responsibilities

Become proficient in the Accounting team’s systems and processes (e.g., Net Suite, Coupa, Workday)

Identify gaps in existing processes and proactively recommend improvements

Consistently deliver accurate work while managing competing priorities

Build strong working relationships across the Accounting team and broader organization

Begin identifying opportunities to responsibly use AI and automation to streamline workflows, improve controls, and enhance reporting efficiency

Who You Are

Detail-oriented with strong analytical and problem-solving skills

Comfortable operating in a fast-paced, evolving environment

Confident communicator who can work effectively with both internal stakeholders and external auditors

Highly organized and able to manage multiple priorities at once

Proactive, collaborative, and continuously looking for ways to improve processes

Interested in learning and applying new tools and technologies to make work more efficient

Interested in learning and applying new tools and technologies, including AI-driven solutions, to make work more efficient and impactful

Required Qualifications

Bachelor’s degree in Accounting or a related field

3+ years of progressive accounting experience

Strong knowledge of GAAP and financial reporting

Hands-on experience supporting month-end close, reconciliations, and audits

Demonstrated understanding and application of SOX/internal control…