Fast-Growing Startup Jobs in USA
Looking for Fast-Growing Startup jobs in USA? Browse our curated listings with transparent salary information to find the perfect Fast-Growing Startup position in the USA area.
Staff UX Designer - AI Investment
Company: Mozilla
Location: USA
Posted Dec 04, 2025
Mozilla, a nonprofit-backed tech company, focuses on shaping the internet for the better through privacy-minded innovations like Firefox. They seek a Staff UX Product Designer with AI expertise to create impactful, user-centric features while prioritizing privacy and open-source principles. The role emphasizes diversity, ethical AI, and a mission-driven approach to building a more inclusive web.
Wholesale Marketing Manager
Company: Trafilea
Location: USA
Posted Dec 04, 2025
Trafilea is a consumer tech platform for transformative brand growth, scaling its own globally loved DTC brands while helping ambitious talent grow. They are looking for a data process-oriented Wholesale Marketing Manager to spearhead comprehensive wholesale marketing strategies for Shapermint Essentials and Truekind by Shapermint.
Senior Sales Engineer
Company: ExtraHop
Location: USA
Posted Dec 04, 2025
The Senior Sales Engineer role involves leading technical strategy, delivering product demonstrations, mentoring sales engineers, collaborating with product and engineering teams, and providing post-sales support. The position requires 7+ years of experience selling cloud and cybersecurity technology, strong technical skills, excellent communication abilities, and the ability to build strategic relationships.
Sr. Machine Learning Engineer
Company: iHerb
Location: USA
Posted Dec 04, 2025
The Senior Machine Learning Engineer role involves leading complex projects, mentoring junior team members, and developing scalable machine learning systems. Key responsibilities include collaborating with data scientists, building robust infrastructure, and ensuring high availability. The position requires expertise in Python, Spark, and cloud technologies, with competitive compensation and benefits.
Junior Systems Engineer
Company: Databento
Location: USA
Posted Dec 04, 2025
Databento, a Series A startup with $378M raised and 958% revenue growth, seeks a junior systems engineer. The role involves managing storage, networking, and hybrid systems across data centers, with benefits including remote work, insurance, and 401k matching.
Senior Software Engineer - Platform
Company: Found
Location: USA
Posted Dec 04, 2025
Found is seeking a Software Engineer to build tools for self-employed professionals, offering competitive salaries, comprehensive benefits, and a mission-driven culture focused on reliability and scalability. The role emphasizes technical excellence, compliance, and impactful contributions to a growing team.
Senior Product Designer II - AI Billing
Company: HubSpot
Location: USA
Posted Dec 04, 2025
The job posting is for a UX team role at HubSpot's Commerce Hub Core Experiences team. The role involves designing AI-driven experiences for onboarding, billing, payment migrations, verification, secure document uploads, payouts, and account tools. The ideal candidate should have experience in high-craft end-to-end product systems, designing AI solutions, and working across complex organizations. The role requires shaping Commerce at HubSpot, crafting innovative solutions, owning end-to-end experiences, designing with craft and system thinking, leveraging data analytics and AI, collaborating across disciplines, measuring, learning, and iterating, and fostering a bold inclusive culture.
Card Fraud Manager
Company: Mercury
Location: USA
Posted Dec 04, 2025
Mercury, a fintech company, seeks a Card Fraud Manager to lead fraud prevention efforts, emphasizing leadership, data-driven strategies, and competitive compensation. The role involves team management, product strategy, and process optimization while balancing fraud detection with customer experience.
Director of Release Management - Monopoly GO!
Company: Scopely
Location: USA
Posted Dec 04, 2025
Scopely is seeking a Director of Release Management for their Monopoly GO game. The role involves leading and growing the Release Management team, refining release strategy and governance, driving quality and risk management, championing cross-functional alignment, modernizing tools and automation, and advancing operational maturity. The ideal candidate should have experience evolving established systems and teams, strong understanding of mobile release pipelines, proven leadership skills, and excellent communication abilities.
Senior Data Scientist
Company: Found
Location: USA
Posted Dec 04, 2025
Found is a company supporting self-employed individuals with tools and services. They're hiring a Senior Data Scientist with responsibilities in data analysis, product improvements, and collaboration. Benefits include competitive salary, equity, remote work, and comprehensive health benefits.
Senior Manager - Product Design
Company: Dropbox
Location: USA
Posted Dec 04, 2025
Dropbox is seeking a Senior Product Design Manager to lead product design teams in creating exceptional product experiences. The role involves shaping the vision and execution of critical product features, ensuring a seamless customer experience, and contributing to Dropbox's world-class design discipline. The ideal candidate will have experience leading design teams, a customer-centered approach, and a collaborative mindset.
Sr. Partner Manager
Company: G-P
Location: USA
Posted Dec 04, 2025
The job description seeks a Sr Partner Manager for a high-growth company, focusing on strategic partnerships, client referrals, and cross-functional collaboration with experience in private equity and FinTech.