Fast-Growing Startup Jobs in USA
158,891 open positions · Updated daily
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.
Bilingual Licensed Customer Service Representative
Company: Liberty Mutual Insurance
Location: USA
Posted Dec 07, 2025
The job description is for a bilingual Spanish and English customer service role at a Fortune 100 company, specifically for their Gold Customer Service licensed class starting January 26, 2026. The role requires a valid Property & Casualty or Personal Lines License and offers paid mandatory training. The position provides 24/7 support, with responsibilities including assisting customers, delivering expertise, providing guidance, upholding customer care standards, and accurately maintaining data. The company values personal and professional growth, and offers comprehensive benefits and an inclusive culture.
Senior Platform Engineer - ML Data Systems
Company: Khan Academy
Location: USA
Posted Dec 07, 2025
Khan Academy is a nonprofit organization with a mission to provide free, world-class education to anyone, anywhere. They offer high-quality learning content and practice for PreK-12th grade and early college core academic subjects, focusing on math and science. The company values diversity, equity, inclusion, and belonging, and is committed to improving learning outcomes for students worldwide, especially those in historically under-resourced communities. They are looking for an ML Data Engineer to evolve their evaluation dataset tools to meet the growing platform needs of AI-based tutoring.
Senior/Staff Content Designer
Company: Grow Therapy
Location: USA
Posted Dec 07, 2025
The job posting is for a Senior Staff Content Designer role at Grow Therapy. The role involves crafting clear, inclusive, and trustworthy product experiences across client and provider products. The ideal candidate will have 6+ years of content design/UX writing experience, a strong portfolio, and expertise in UX writing, content strategy, and systems thinking. The role requires collaboration with cross-functional teams, including product design, research, and operations, to define messaging, craft value propositions, and shape content systems. The position offers a competitive base compensation and can be hybrid or fully remote.
Staff Data Scientist - Engagement Ecosystem
Company: Pinterest
Location: USA
Posted Dec 07, 2025
Pinterest is seeking a Staff Data Scientist to shape the future of their engagement ecosystem. The role involves developing a deep understanding of the platform, leading projects on tradeoffs between organic engagement and advertising, and designing robust ML frameworks. The ideal candidate will have 10+ years of experience in data environments, expertise in machine learning and causal inference, and strong communication skills.
Machine Learning Engineer - Core Engineering
Company: Pinterest
Location: USA
Posted Dec 07, 2025
This text describes a job opportunity at Pinterest for Machine Learning engineers focusing on building personalized experiences, collaborating across teams, and working with large-scale data systems. It highlights the impact of the role and the required expertise in ML technologies.
Sales Trainer II
Company: Tekion
Location: USA
Posted Dec 07, 2025
The job posting is for a Sales Trainer II position at a SaaS company. The role involves designing and delivering advanced sales training programs, conducting training sessions, providing coaching, creating training materials, assessing effectiveness, collaborating with teams, and reporting on outcomes. The company offers competitive compensation, great benefits, and opportunities for growth in a dynamic work environment.
Senior Claims Representative
Company: Liberty Mutual Insurance
Location: USA
Posted Dec 08, 2025
This job description highlights a claims representative role at Liberty Mutual with opportunities for growth, competitive benefits, and a focus on professional development. It outlines responsibilities, qualifications, and company values emphasizing inclusivity and employee support.
Senior Software Engineer - Developer Tools, Poe
Company: Quora
Location: USA
Posted Dec 07, 2025
Quora seeks engineers to join their remote team, focusing on Poe's AI platform. The role involves building tools for developers, with a culture of collaboration and innovation. Benefits include competitive pay, remote work, and equity.
Licensed Customer Service Representative
Company: Liberty Mutual Insurance
Location: USA
Posted Dec 07, 2025
The job posting is for a licensed insurance professional to join a Fortune 100 company's Gold Customer Service team. The role involves providing 24/7 support to agents, assisting customers with insurance-related inquiries, and promoting insurance products and services. The company values personal and professional growth, offers paid training, and has a competitive salary range.
Senior/ Staff ML Engineer - Recommendations Systems
Company: Grow Therapy
Location: USA
Posted Dec 07, 2025
The company is seeking a machine learning engineer with experience in search and personalization to design, develop, and deploy a scalable search ranking algorithm. The role involves collaborating with data scientists, implementing machine learning models, and working cross-functionally with various teams.
Staff, Product Manager - AI/ML PLatform - Enterprise AI
Company: Twilio
Location: USA
Posted Dec 07, 2025
Twilio is seeking a Staff Product Manager for their Enterprise AI team to lead the development of AI platform capabilities. The role involves defining the product roadmap, building AI reasoning engines, and creating no-code experiences for internal and external teams. The ideal candidate has 7+ years of product management experience, deep knowledge of NLP and LLMs, and experience with enterprise AI platforms.
Commercial Account Executive
Company: DirectDefense
Location: USA
Posted Dec 08, 2025
DirectDefense seeks a Commercial Account Executive with B2B sales experience in cybersecurity. The role offers career growth, competitive salary ($70k-$90k), and comprehensive benefits. The company emphasizes trust, results, and advanced security solutions.