We are seeking a skilled and detail-oriented U.S. International Tax Manager to join our global tax team. In this role, you will oversee the company’s U.S. international tax planning, compliance, and reporting, ensuring alignment with business objectives while navigating complex tax laws. Working closely with internal and external stakeholders, you will drive the delivery of effective tax strategies and maintain compliance within an ever-evolving international tax landscape. This role can be based out of our Austin office or remotely in the United States. Key Responsibilities - Compliance and Reporting: Manage and oversee U.S. international tax compliance, including forms such as Form 5471, Form 8858, Form 8865, and foreign tax credit calculations, ensuring accurate and timely filings - Tax Planning: Provide technical expertise in the analysis, implementation, and optimization of U.S. international tax strategies, including GILTI, Subpart F, FDII, BEAT, and foreign tax credits - Global Tax Operations: Support the preparation and review of quarterly and annual tax provisions, specifically focusing on international tax components of ASC 740 reporting - Tax Research: Conduct detailed research on U.S. international tax laws, treaty benefits, and implications of legislative changes (e.g., OECD BEPS, U.S. Tax Reform), and provide actionable guidance to leadership - Cross-Functional Collaboration: Partner with finance, legal, accounting, and other teams to advise on tax-efficient strategies for cross-border transactions, acquisitions, and expansions - Tax Technology: Support process improvement initiatives related to tax automation, efficiency, and the use of tax software tools - Audit Support: Assist with tax audits and reviews conducted by U.S. or foreign tax authorities, including preparing documentation and managing information requests Minimum Qualifications - Bachelor’s Degree in Accounting, Finance, Taxation, or a related field. CPA, JD, or advanced degree in Taxation (e.g., MST) strongly preferred - 5-7 years of relevant experience in U.S. international tax within public accounting, a corporate tax department, or consulting - Strong technical knowledge of U.S. international tax laws, including GILTI, Subpart F, FDII, BEAT, foreign tax credits, and treaty applications - Proficiency in ASC 740 (accounting for income taxes), particularly for international tax provisions - Working experience with U.S. compliance software such as Corptax, OneSource, or similar tools - Excellent research and analytical skills with the ability to synthesize complex concepts and communicate recommendations - Proven ability to manage multiple projects simultaneously in a deadline-driven environment About MongoDB MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform, the most widely available, globally distributed database on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure. With offices worldwide and over 60,000 customers, including 75% of the Fortune 100 and AI-native startups, relying on MongoDB for their most important applications, we’re powering the next era of software. Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world! MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter. MongoDB, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type and makes all hiring decisions without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Req ID: 1273385023 MongoDB’s base salary range for this role is posted below. Compensation at the time of offer is unique to each candidate and based on a variety of factors such as skill set, experience, qualifications, and work location. Salary is one part of MongoDB’s total compensation and benefits package. Other benefits for eligible employees may include: equity, participation in the employee stock purchase program, flexible paid time off, 20 weeks fully-paid gender-neutral parental leave, fertility and adoption assistance, 401(k) plan, mental health counseling, access to transgender-inclusive health insurance coverage, and health benefits offerings. Please note, the base salary range listed below and the benefits in this paragraph are only applicable to U.S.-based candidates. MongoDB’s base salary range for this role in the U.S. is: $92,000—$182,000 USD

• Review and prepare complex tax returns for high-net-worth individuals, partnerships, corporations, entities, and LLCs • Prepare individual, fiduciary, estate, and gift tax returns by deadlines • Work with the tax team to ensure the various components of the tax process are performed • Work with clients to gather relevant tax-related information to prepare an accurate tax return • Analyze the individual's tax situation, trusts, and estate from various angles to ensure maximum tax benefit is applied • Prepare and review year-end projections and quarterly estimates • Research various tax-related issues • Manage and develop clients who require income tax and financial planning • Provide mentorship and guidance to interns and associates on tax matters • Act as a liaison between managers and clients • Maintain strong presentation skills in both written and oral communication • Attend internal and external professional development and training seminars regularly to enhance skills and knowledge in the field

• Prepare federal and state income tax returns for individuals (Form 1040), corporations (Form 1120/1120S), partnerships (Form 1065), and/or trusts and estates (Form 1041) as applicable • Accurately input financial data and supporting documentation into Lacerte tax software • Review prior-year returns, financial statements, and source documents to ensure completeness and accuracy • Identify applicable deductions, credits, and tax planning opportunities for each client • Ensure all returns are prepared in compliance with current federal, state, and local tax codes • Communicate professionally with clients to gather missing documentation, clarify financial information, and explain tax outcomes • Respond to client inquiries regarding return status, tax notices, and filing questions in a timely manner • Maintain a high standard of client service consistent with the firm's reputation for accuracy and professionalism • Self-review completed returns prior to submission to ensure accuracy and minimize errors • Collaborate with senior staff and managers during the review process to address questions and resolve discrepancies • Stay current with changes in tax law, IRS guidance, and state tax regulations that affect client filings • Maintain complete and organized client files including source documents, workpapers, and signed authorizations • Track return status and deadlines to ensure timely filing and extension requests where needed • Document tax positions and notes clearly within the return for review and audit trail purposes • Assist with quarterly estimated tax calculations and year-end tax planning for clients as directed • Flag potential tax issues or planning opportunities to senior staff or management • Support the preparation of tax projections and analysis for client consultations

Join our Team! We work in an environment where everyone’s voice is heard We are one of the largest regional accounting firms headquartered in Orange County, California. We’re accountants providing solid guidance, support & solutions to businesses, governments, and non-profits. Our outstanding employees are crucial to our unique, diverse culture and talent development, as well as our ability to attract clients successfully. At LSL, you will discover an atmosphere that motivates and encourages you to succeed personally and professionally. Operations Assistant – Tax As a Tax Operations Assistant with our Tax team, you will play a key behind-the-scenes role in ensuring tax returns are finalized, assembled, and delivered accurately and efficiently. This position is ideal for someone who enjoys detail-oriented work, thrives in a deadline-driven environment, and wants to support a high-performing tax team through strong operational execution. What you will be doing: - Tax Return Assembly (for tax department employees). - Completes scanning requirements for document storage as defined or requested. - Maintains files of correspondence or other records, electronically or on paper. - Drafts, proofs, formats, add footnotes, and save as pdfs the financial statements for clients. - Generates, distributes, and tracks all client materials. - Maintains control file of all matters in progress for each assigned Partner and Manager. - Maintains procedures that implement operational and/or fiscal policies. - Interprets policies and procedures as established by Managers. - Compiles data based on research techniques and on statistical compilations involving an understanding of operating unit programs, policies, and procedures. Preferred Qualifications: - High school diploma or GED required; Associate’s or Bachelor’s degree preferred - 2+ years of administrative or operations experience within a CPA or professional services firm highly preferred - Hands on experience with SafeSend and CCH Axcess preferred - Experience compiling and distributing tax returns in a public accounting environment strongly preferred - Proficiency in Microsoft Office Suite (Outlook, Word, Excel, Teams) - Strong attention to detail with emphasis on accuracy and follow-through - Must be able and willing to work over 40 hours during busy tax season. - Ability to manage multiple deadlines in a fast-paced, deadline-driven environment - Excellent organizational and time management skills - Clear written and verbal communication abilities - Professional demeanor with discretion and confidentiality - Positive, team-oriented attitude and strong service mindset SUPERVISORY RESPONSIBILITIES: - No supervisory responsibilities At LSL CPAs, we offer competitive compensation and benefits package along with a supportive team-focused environment. Our remote work environment allows you the freedom to manage your personal commitments while staying dedicated to serving our clients. Work Authorization: Must be authorized to work in the United States permanently without the requirement of sponsorship at any point in the future. Salary Range: $19.00 - $30.00 per hour (Non-Exempt Status) Please note that quoted salary ranges are not guarantees of what final salary offers may be. Base pay may vary depending on job-related knowledge, skills, experience, and geographic location. Base pay is only one part of the Total Rewards that LSL, LLP provides to compensate and recognize our professionals for their work. All exempt positions are eligible for a discretionary bonus and all employees who are regularly scheduled to work 30 hours or more per week are offered a comprehensive benefits package. Work Environment Typical indoor office environment Disclaimer The above statements are intended to describe the general nature and level of the work being performed by people within this classification. They are not intended to be an exhaustive list of all responsibilities, duties and skills required of employees assigned to this job.