The Accounting Manager will ensure accurate financial reporting, manage close processes, design internal controls, and mentor junior staff.
Flex is building a finance super app for premium business owners — reimagining every single aspect of the financial workflow and financial services for any entrepreneur. The company has grown revenue 25x+ since publicly launching in September 2023 and is on track to achieve profitability by late 2025. Flex is focused on mid-market businesses ($3 - $100M revenue) that are largely overlooked by existing fintech solutions and reliant on slow and outdated regional banks. We are targeting a ~$1T revenue opportunity that is largely up for grabs.
Flex is a fully remote company and this role can be performed from anywhere.
🕺 About the Role
We’re seeking a highly motivated and detail-oriented Accounting Manager to join our growing finance team. This role is pivotal in ensuring the accuracy, integrity, and timeliness of our financial reporting while helping to shape the future of our accounting operations. You’ll be a key player in driving monthly close processes, strengthening our internal controls, and supporting strategic initiatives across the organization.
✅ What You’ll Do
- Lead and manage the monthly, quarterly, and year-end close processes to ensure timely and accurate financial reporting
- Design, implement, and enhance internal controls and accounting policies to support a scalable and compliant financial environment
- Prepare and review financial statements and management reports, providing insights that support decision-making across departments
- Own the coordination and execution of the annual financial audit, serving as the primary liaison with external auditors
- Partner cross-functionally on ad hoc financial and operational projects, including process improvements, system implementations, and strategic analysis
- Mentor and guide junior accounting staff, fostering a culture of accountability, collaboration, and continuous learning
⚡️ What You Bring
- Proven experience in accounting, with a strong understanding of GAAP and financial reportingExceptional organizational skills and attention to detail
- Ability to thrive in a fast-paced, dynamic environment and manage multiple priorities
- Strong communication skills and a collaborative mindset
- 2+ years of experience in corporate accounting, audit, or hold a CPA
- Bachelor’s degree in finance, accounting or related field
What We Offer
- A visionary founding team with elite backgrounds and substantial industry experience
- A substantial Series A round, providing ample growth and opportunities
- A culture that supports remote work and values connection through semi-annual offsites
- Support from leading Silicon Valley venture capitalists and industry insiders
- An attractive compensation package, including comprehensive benefits and perks
Why Join Us
Flex is growing quickly — you’ll help shape the direction of a product and company with real momentum.
We’re well-capitalized with strong backing and a clear long-term vision.
You’ll work with a sharp, driven team that values autonomy, clarity, and quality.
Join ambitious builders who care deeply about winning together — and having fun while doing it.
Annual team on-sites. From Bogota to Mexico City, the entire Flex team gets together once a year to align and build camaraderie.
Top Skills
Accounting Software
Financial Reporting
Gaap
Similar Jobs
Fintech • Mobile • Software • Financial Services
The Bank Accounting Manager will oversee accounting for CPS and Crypto, manage audits, prepare reports, and ensure compliance with GAAP.
Top Skills:
CadencyExcelSnowflakeWordWorkday FinancialsWorkiva
Cloud • Fintech • Software • Business Intelligence • Consulting • Financial Services
The Technical Accounting Manager oversees compliance with U.S. GAAP, leads technical accounting teams, and manages financial reporting, complex transactions, and internal controls while mentoring staff and engaging with senior leadership for strategic insights.
Top Skills:
Erp SystemsU.S. GaapWorkday
Big Data • Fintech • Information Technology • Insurance • Software
The Accounting Manager will oversee non-revenue accounting processes, lead financial reporting, manage a small team, and drive process improvements in a fast-paced SaaS environment.
Top Skills:
ErpExcelGoogle SheetsU.S. Gaap
What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
- Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories
