[Remote] Senior Product Engineer

Note: The job is a remote job and is open to candidates in USA. Finally is building an AI-native back-office for small businesses, aiming to revolutionize bookkeeping with their AI Ledger. The Senior Product Engineer will design and build core financial workflows across the stack, influencing product direction and architecture while working closely with the CTO.ResponsibilitiesOwn and ship full-stack features end-to-end, from shaping early ideas to delivering production systems used by customers dailyBuild complex, data-dense interfaces, review queues, journal entry editors, reconciliation workflows, agent-state visualization, financial reports that don't break under real customer dataUse AI tooling as your primary mode of writing code - Claude Code, Codex, or equivalent. AI does most of the implementation work under your direction; you own architecture, decomposition, verification, and review. Push back when AI gets it wrong, taste and judgment are why you're here, not raw typing speedArchitect backend services and APIs that handle sensitive financial data with high standards for performance, security, and data integrityBuild clean, fast, and intuitive frontend experiences that translate complex financial concepts into simple user workflowsMake pragmatic technical decisions balancing speed, quality, and long-term maintainability without over-engineeringDebug and resolve production issues across the stack; improve observability and system resilience over timeIdentify and address performance bottlenecks, scaling challenges, and areas of technical debtCollaborate closely with product and design to shape roadmap and deliver meaningful user outcomesHelp define how we build by contributing to code quality, architecture decisions, and team practicesMentor other engineers and raise the bar through thoughtful feedback and hands-on supportSkills7+ years shipping production software, with at least 3 years in modern web stacks (React, TypeScript, Node, Python)Demonstrable AI-augmented engineering chops. You've actually shipped meaningful work with Claude Code / Cursor / Codex at the wheel, and can articulate what you delegate vs. what you ownA track record of shipping at startup pace, with strong opinions about scope, sequence, and what's worth buildingComfort working across the stack, including infrastructure and data layersExperience with cloud platforms (AWS, GCP, or similar)Strong product instincts. You think about user impact, not just implementationAbility to operate independently and make sound decisions in a fast-moving, low-structure environmentClear communicator who collaborates well across disciplinesBackend depth - Postgres, async workers, agent orchestration patterns, LLM API integrationPrior FinTech, accounting, or expense management product experienceFamiliarity with third-party financial APIs (e.g., Stripe, Plaid, QBO)Exposure to security, compliance, or regulated environments (SOC 2, PCI, etc.)Design system contribution - you've shipped tokens and components, not just consumed themOpen-source presence or public AI-engineering writingBenefitsCompetitive compensation and equityMedical, Dental, Vision plansGenerous PTO, plus company holidaysRemote-first work environment (must be able to overlap with East Coast time zone)Quarterly team offsites (you will likely need to travel to various locations)Home office setup stipendHigh-impact role with real ownership over product and technical directionCompany OverviewFinally is a fintech firm that assists small and medium-sized enterprises in automating their accounting and financial processes. It was founded in 2018, and is headquartered in Miami, Florida, USA, with a workforce of 201-500 employees. Its website is https://www.finally.com.Company H1B Sponsorshipfinally has a track record of offering H1B sponsorships, with 3 in 2025. Please note that this does not guarantee sponsorship for this specific role.