Jobs at Liftoff

Lead mobile advertising campaign optimization for Monetize customers, using performance data, dashboards, and market insights to improve ROI. Partner with technical teams, support escalations, respond to client needs, present recommendations, and manage reporting throughout the account lifecycle. Build client relationships, improve campaign strategy and measurement practices, and contribute to documentation and process improvements. The role requires strong analytical, communication, customer management, and mobile advertising expertise.

Prepare SEC filings, financial statements, footnotes, disclosure checklists, and reporting controls. Ensure accurate, timely compliance with SEC requirements and US GAAP while partnering with FP&A, Legal, Investor Relations, Tax, auditors, and executives. Support audits, valuation inputs, internal reporting, reporting-system improvements, process automation, and Disclosure and Audit Committee materials.

Recruit for technical and commercial roles across APAC, especially Singapore and China. Manage full-cycle recruiting, including sourcing, candidate pipelines, interviews, ATS administration, hiring manager partnerships, interview processes, and candidate experience. Support global searches through sourcing, report hiring progress, and lead recruiting events and networking initiatives.

Execute post-sale mobile advertising campaign setups, creative uploads, audits, edits, and issue escalations. Collaborate with Account Management teams and clients globally to optimize campaign performance, apply best practices, respond to alerts, and improve operational processes. The role requires strong organization, attention to detail, Excel proficiency, incident management experience, customer engagement skills, and occasional time-shifted, weekend, or holiday coverage.

Supports Account Managers with advertiser onboarding, campaign setup, launches, account operations, client requests, performance reporting, optimization opportunities, business reviews, and prospecting. Coordinates with Analytics, Creative, Product, and Operations teams, escalates campaign issues, and improves processes. The role requires strong organization, client communication, spreadsheet and performance-data skills, and fluency in Korean and English. It is a full-time onsite contract position based in Seoul.

Own application security for Generative AI and emerging products by integrating secure development practices, conducting design and code reviews, threat modeling systems, assessing vendors and AI tools, triaging vulnerabilities, and building security automation. The role partners with engineering and detection teams, contributes to cloud and infrastructure security, participates in incident response and on-call rotations, and documents post-incident remediation.

Own internal offensive security assessments across applications, APIs, cloud infrastructure, and corporate systems. Plan and execute penetration tests, validate vulnerabilities safely, review source code, and partner with engineering teams through remediation and retesting. Build automated security testing tools and workflows, lead adoption of AI-assisted offensive security capabilities, support third-party testing, improve detection and incident response, and participate in on-call responsibilities.

Lead complex data analysis across Liftoff’s supply-side business, using optimized SQL on large-scale datasets and BI tools to build dashboards, reporting pipelines, and actionable insights. The role conducts root-cause analysis, evaluates experiments, translates technical developments into business impact, leads cross-functional initiatives, and mentors analysts. It partners with Engineering, Product, Data Science, Finance, Commercial teams, and executive leadership to influence roadmap and operational decisions.

Manage U.S. and international corporate tax compliance, transfer pricing calculations, tax provision schedules, audits, and financial reporting alignment. Coordinate with external advisors and cross-functional Finance, Legal, and Accounting teams. Support tax projects, process improvements, system implementations, documentation, internal controls, and reporting accuracy while managing deadlines and tax department workflows.

Leads Deal Desk within Strategic Finance, owning revenue adjustments, deal economics, approval structures, financial modeling, accruals, cash-flow monitoring, and performance analysis for standard and complex commercial agreements. Partners with GTM, Finance, and senior leadership, presents recommendations, maintains approval governance, and manages a Senior Analyst. Requires strong judgment, revenue recognition knowledge, commercial finance expertise, and executive communication skills.

Leads Deal Desk within Strategic Finance, owning revenue adjustments, deal economics, approval policies, financial modeling, accruals, cash-flow monitoring, and performance reporting for commercial agreements. Partners with GTM, Finance, and senior leadership on standard and complex deals, provides defensible recommendations, manages cross-functional reviews, and supervises a Senior Analyst. The role requires strong judgment, revenue recognition knowledge, analytical rigor, and executive communication skills.

Build and maintain infrastructure tooling for thousands of servers and distributed services. Responsibilities include host provisioning, configuration management, rapid code deployment, service monitoring, automated testing, linting, and infrastructure supporting high-volume real-time data pipelines. The role involves end-to-end project ownership, frequent code delivery, debugging complex distributed systems, and collaboration within a high-performing engineering team.

Manage technical accounting for complex transactions, including revenue, stock-based compensation, leases, debt, capitalized software, and equity. Research and document accounting positions, own policies, implement new accounting standards, prepare journal-entry support and financial statement disclosures, and assist with proxy reporting and audits. Collaborate with Legal, FP&A, business teams, and auditors while ensuring compliance with US GAAP.

Manage technical accounting activities, including researching complex transactions, drafting accounting memos, maintaining policies, implementing new standards, supporting equity accounting, preparing financial statements and disclosures, and assisting audits. The role requires collaboration with Legal, FP&A, and business teams on contracts and billing structures, along with expertise in US GAAP and public accounting experience.

Drafts, reviews, and negotiates vendor, customer, licensing, and insertion order contracts. Collaborates with Legal, Commercial, Sales, Product, Engineering, Finance, and Accounting teams on contractual matters. Maintains contract workflows, tracks milestones, supports compliance and approvals, improves templates, trains employees, and monitors relevant laws. The role is UK-based or remote within the UK and is offered initially as a contract position.

Own performance strategy and campaign optimization for selected APAC customers while managing billing and collections workflows. Coordinate with Finance, Revenue Operations, Deal Desk, Commercial, and Accounts Receivable teams to resolve invoice discrepancies, monitor payments, support credit checks, and reconcile accounts. Serve as a client and internal point of contact, improve billing processes, standardize workflows, and identify automation opportunities using data and AI.

Lead technical direction for mobile ad SDK and ad format development, owning architecture, cross-platform compatibility, system performance, reliability, testing, experimentation, and release strategies. Drive ambiguous cross-team initiatives, mentor engineers, influence roadmap decisions, uphold engineering standards, and contribute to hiring and leveling. The role focuses on scalable, low-latency systems using JavaScript, HTML5, and CSS technologies.

Own and grow key accounts while exceeding revenue targets, managing forecasts and complex negotiations, advancing pipeline, and closing high-value deals. Partner cross-functionally with Product, Marketing, Finance, and Operations to deliver customer solutions and influence roadmap priorities. Analyze data using Looker, AI, and Google Sheets to develop actionable insights. Coach junior team members and contribute to feedback culture. Travel includes client meetings, industry events, and quarterly in-person gatherings.

Manage and optimize customer campaigns throughout the account lifecycle. Serve as a technical liaison between clients, sales, revenue, product, and engineering teams; support onboarding and campaign launches; analyze performance trends; design A/B tests; build dashboards and visualizations; troubleshoot issues; improve processes; and mentor junior team members.

Design, build, and operate high-throughput, low-latency ad-serving infrastructure processing millions of requests per second. Optimize GPU-powered TensorRT inference, feature stores, model serving, benchmarking, experimentation tooling, and system reliability. Partner with machine learning engineers to productionize models and own systems through design, deployment, observability, capacity planning, incident response, and optimization.