Senior Product Manager, Grantseeker

Fluxx•New York, NY

42d•$195,000 - $200,000•Hybrid

About The Position

Fluxx is seeking a strategic, systems-thinking Senior Product Manager to own and evolve its Grantseeker platform. This role is for individuals who are curious, tenacious, candid, and have a bias toward action. Fluxx is a mission-driven company that builds technology to help foundations, government agencies, and nonprofits streamline their grants management process, accelerating impact. The Grantseeker platform, originally launched in 2017 and re-acquired in November 2025, helps organizations manage grant portfolios, deadlines, budgets, reporting, documents, and compliance. This is a full-time exempt position based in Manhattan, New York, requiring at least three days a week in the office.

Requirements

8+ years in software PM with real revenue ownership of a B2B SaaS product.
Direct product-led growth experience: freemium tiers, self-serve onboarding, activation/retention instrumentation.
A track record of hard prioritization calls — including saying no with reasons attached.
Genuine data fluency; you build your own funnel views rather than outsourcing your understanding of the numbers.
Strong written communication (specs, memos, decision records) and experience shipping in tight, iterative cycles with design and engineering.
Comfort with ambiguity and an early-team environment.

Nice To Haves

Domain experience in grants management, nonprofit technology, fundraising or development operations, higher ed research administration, or public sector grant compliance.
Experience consolidating multiple products or codebases onto a single platform, including customer migration.
Experience with competitive displacement and migration tooling.
Applied AI/ML product work, especially search, matching, recommendation, or document generation.
Multi-sided platform or marketplace experience.
Background working with or inside a nonprofit, foundation, or grantmaking institution.

Responsibilities

Own the roadmap. Set and defend a 12–18 month product strategy grounded in customer evidence, funnel data, competitive reality, and commercial goals and keep the org aligned to it.
Resolve the platform question. Own consolidation end to end — feature parity, migration tooling, customer communication, sunset timeline — balancing speed against long-tenured customers' trust.
Sharpen the product-led motion. Own activation, conversion, retention, and expansion as product metrics. Find where free accounts stall, build what converts them, and decide what sits above/below the paywall.
Win competitive migrations. Own import tooling, data mapping, onboarding, and the first-week experience that determines whether a migrated account survives.
Connect funders and seekers. Turn Fluxx's two-sided position into a shipped product — data flow, reduced duplicate entry, shared visibility — partnering with the Grantmaker team on shared data models.
Build on the data asset. Turn Grantseeker's public filing data into better matching and applied AI that saves grant writers real hours, with honest confidence/provenance signals.
Run the practice. Write clear specs, groom the backlog, run discovery (interviews, usability, win/loss, ticket mining), and ship on a predictable cadence across design, engineering, and go-to-market.