Fast-Growing Startup Jobs in USA

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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.

Senior Frontend Software Engineer - Profile Features

Company: Reddit

Location: USA

Posted Dec 17, 2024

The text describes a high-impact role at Reddit, focusing on making profiles an open, safe, and expressive part of the platform. The role involves cross-functional collaboration, product development, and mentoring junior engineers. The candidate should have 6+ years of experience in software development, with a focus on front-end languages and frameworks. They should also have experience with distributed caching layers and large-scale data storage systems. The benefits include comprehensive health insurance, retirement savings plans, workspace benefits, personal and professional development funds, family planning support, and flexible vacation time.

Principal Data Engineer

Company: Nuna

Location: USA

Posted Dec 17, 2024

The text describes a role at Nunas Value Platform as a Principal Engineer, where you will build products to change the dynamics of the healthcare industry, create and refine architectural designs, and lead the design, implementation, and orchestration of data processing infrastructure. The role requires 10+ years of experience, experience with multiple healthcare data warehouse schemas, and expertise in scaling complex systems and data pipelines. The company offers health insurance, life insurance, retirement benefits, participation in the company's equity program, paid time off, and the expected salary range is $223,000 to $273,250.

Application Support Engineer

Company: Gemini

Location: USA

Posted Dec 17, 2024

Gemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. They offer a wide range of crypto products and services for individuals and institutions in over 70 countries. Their mission is to unlock the next era of financial creative and personal freedom. They have a flexible hybrid work policy for employees in the US and believe it increases productivity through more in-person collaboration where possible. They are establishing themselves as the industry leading exchange for institutional trading of digital assets and are looking for a full-time Application Support Engineer to join their team.

Physician - Telemedicine

Company: Curai

Location: USA

Posted Dec 17, 2024

Curai Health is an AI-powered virtual clinic on a mission to improve access to care at scale. They are remote-first, with a corporate office in San Francisco, and are seeking US Physicians fully licensed to practice in the United States. The clinical team uses AI-empowered electronic records to deliver urgent and primary care. They are looking for Family Medicine or Emergency Medicine Physicians comfortable with adults and pediatrics, with active state licenses in CA, TX, and FL. The role involves seeing acute urgent care patients, administrative tasks, diagnosing patients, writing encounter visit notes, and providing feedback to the AIML in the EHR. They offer excellent medical benefits, a 401k plan with employer matching, and are a startup with a diverse and inclusive environment.

Customer Support Specialist

Company: Abridge

Location: USA

Posted Dec 17, 2024

Abridge is a healthcare technology company that uses AI to transform patient-clinician conversations into structured clinical notes in real-time with deep EMR integrations. They are committed to delivering exceptional products and services, and are looking for a Customer Support Specialist to join their rapidly growing team.

Senior Product Operations Specialist

Company: Mercury

Location: USA

Posted Dec 17, 2024

Mercury is a financial technology company offering a complete financial stack for startups. They have grown to over 200,000 startups and small businesses worldwide. The Product Operations team plays a crucial role in enabling Mercury's product development and growth. The role of a Product Operations Specialist involves working closely with teams to gather and synthesize customer insights, ensure smooth product launches, and help scale the team. The total rewards package at Mercury includes base salary, equity, stock options, and benefits. The target new hire base salary ranges for this role are $112,900 - $132,800 for US employees in specific cities, and CAD 102,700 - $120,800 for Canadian employees.

Staff Software Engineer - Alloy and OpenTelemetry Collector

Company: Grafana Labs

Location: USA

Posted Dec 17, 2024

The text describes a remote role for US Eastern timezones as a Staff Software Engineer for the Alloy and OpenTelemetry Collector at Grafana Cloud. The role involves working with the Alloy team to deliver new functionality, contributing to design documents, being an active member of the OpenTelemetry collector community, supporting customers, and collaborating with other teams. The company is remote-first and global, with a focus on diversity and open-source contributions. The base compensation range for this role is $168,000 to $200,000.

Lead Web Designer - Web Platform

Company: Plaid

Location: USA

Posted Dec 17, 2024

Plaid is a company that aims to unlock financial freedom for everyone. They are building a diverse team of driven individuals to make the financial ecosystem more equitable. They are looking for a dynamic web design team to create visually compelling on-brand web pages and interactive elements.

Staff Software Engineer, AI Products

Company: Rad AI

Location: USA

Posted Dec 17, 2024

Rad AI, a healthcare AI company, has raised $80+ million in funding, closed on series B financing with Khosla Ventures, Gradient, Google's AI fund, and ARTIS. They have formed a partnership with Google to collaborate on generative AI for healthcare. Their AI is used by over 13% of radiology groups and healthcare systems, including Kaiser Permanente and HCA Healthcare. They are recognized as one of the most promising healthcare AI companies. They are looking for a Software Engineer to join their AI product team.

Sr. Associate - Inventory Accounting

Company: Nutrafol

Location: USA

Posted Dec 17, 2024

The text describes a job opening for a Senior Associate Inventory Accounting 3PL Reporting position at Nutrafol. The role requires an experienced individual with a Bachelor's degree in Finance or Accounting, 3+ years of inventory accounting experience, and strong skills in Excel and accounting software. The position involves collaborating with operations teams, managing inventory accounting, and reconciling data between the company's third-party logistics providers and internal accounting systems.

Machine Learning Engineer

Company: KoBold Metals

Location: USA

Posted Dec 17, 2024

KoBold is a leading independent mineral exploration company and technology developer, using AI models and novel sensors to guide exploration programs. They have proven their first discovery with less capital than the industry average and have a portfolio of over 60 projects for high-quality discoveries. The company is seeking a software engineering team member to build scalable ML systems for mineral exploration projects.

Product Designer

Company: Huckleberry Labs

Location: USA

Posted Dec 17, 2024

Huckleberry is a company that creates life-changing products and experiences using human-centered technology. Their app has received rave reviews and is used by families to improve their wellbeing. They are looking for a Senior Product Designer to help create new mobile and web products that will have a positive impact on children and families.

Frequently Asked Questions

What are typical salary ranges by seniority in fast‑growing startups?
Junior engineers earn $70k–$90k, mid‑level $90k–$120k, senior $120k–$160k, staff/lead $160k–$200k, and executive roles like VP/CTO $200k–$250k. Product managers follow a similar ladder, with senior PMs reaching $140k–$180k plus 2–4% equity.
What skills and certifications are most valued in fast‑growing startups?
Hands‑on experience with React, Node.js, TypeScript, Go, and Python is essential. Cloud mastery—AWS Certified Solutions Architect, Google Cloud Professional Data Engineer, or Azure Solutions Architect—is highly prized. Agile credentials like Certified Scrum Master or SAFe Agilist, and data‑analysis tools such as Looker or Tableau add extra weight.
Is remote work available for fast‑growing startup roles?
Yes—most early‑stage startups adopt a remote‑first or hybrid model, allowing engineers, designers, and marketers to work from any location with a stable internet connection. Some product or sales roles may require occasional on‑site demos, but overall flexibility remains the norm.
What career progression paths look like in fast‑growing startups?
Engineers often move from junior to senior, then to tech lead, engineering manager, and finally VP of Engineering. Product managers progress from associate PM to senior PM, product lead, and head of product. Design leads can grow into UX director or chief design officer, while sales roles climb from SDR to account executive, to sales director.
What industry trends are shaping fast‑growing startups?
AI/ML integration, edge‑computing platforms, blockchain‑based fintech, telehealth, climate‑tech, and remote collaboration tools are driving the next wave of growth. Startups that embed data privacy, zero‑trust security, and sustainability metrics into their core offerings are attracting top talent and investors.

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