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Applications Scientist


Job Location:

Brooklyn, NY - USA

Yearly Salary: USD 80000 - 135000
Posted: 30 September 2026 (3 days ago)
Application Deadline: 30 December 2026
Vacancies: 1 Vacancy

Job Summary

About us:

ChemFinity Technologies is building critical mineral recovery systems to produce over 30 minerals from waste and mining feedstocks at low cost using our proprietary high-performance high-durability sorbent filters. Our teams mission is to produce these minerals in ways that are cheaper cleaner and more accessible than existing methods such as high-temperature smelting starting with precious metals like platinum.

Spun out of UC Berkeley in late 2022 and based in New York City ChemFinity is backed by top-tier investor firms and over 10 top government and grant agencies such as Bill Gatess Breakthrough Energy Fellows the U.S. Department of Energy ARPA-E and the U.S. EPA. ChemFinity has been recognized as top innovators in the critical minerals sector by the World Economic Forum Forbes and Conservation X Labs.

What you will do:

ChemFinity seeks an Applications Scientist to support with rapid performance testing new and ongoing customer projects and applied R&D this role you will work creatively and hands-on with our team of chemists engineers co-founders and external partners as we build pilots and grow from the lab to industrial scale. Key responsibilities include:

  • Perform rapid testing of sorbent and mineral recovery performance whenever new customer samples arrive.

  • Support R&D and piloting efforts across the team on proprietary sorbents critical mineral recovery and hydrometallurgical leaching.

  • Assist scale-up efforts in sorbent synthesis and production.

  • Help improve and validate material formulations.

  • Conduct ICP-OES and other characterization tests.

  • Maintain accurate lab documentation and sample logs.

  • Perform full-time hands-on work on-site at our Brooklyn facility.

What you will bring:

  • Bachelors degree or higher in chemistry metallurgy or related field. A Ph.D. is a plus.

  • For this role we are considering a range of experience levels. We are targeting a minimum of 3 years of industry experience or a Ph.D. ideally in mineral processing liquid-phase separations sorbent technologies and/or resource recovery.

  • Experience in operating and troubleshooting ICP-OES and/or other similar analytical instruments.

  • Strong problem-solving skills experimental intuition and fundamental chemistry.

  • The desire to be in a dynamic startup environment own projects and proactively use critical thinking and team collaboration to solve difficult but impactful challenges.

  • An unwavering commitment to high safety standards and supportive work behavior.

Other preferred qualifications:

  • Experience in scaling technologies in startups and/or from the lab to full-scale commercialization.

  • Proficiency in programming automated systems and process controls.

  • Experience in writing grant applications and detailed technical reports.

  • Experience in developing separations technologies operating pilots and/or executing rapidly on customer projects.

Compensation and Benefits:

Salary range for this position is expected to be $80K-135K. Compensation will be commensurate with experience level. For this role we are considering candidates from a range of experience levels and highly value fit with our team.

  • Competitive compensation including equity options

  • Health dental vision and life insurance benefits

  • 401(k) benefits with company matching

  • Flexible paid time off and holidays

  • Health/fitness stipend

  • Open supportive and diverse team focused on creating major impact

Please reach out to emailprotected if you have questions. ChemFinity Technologies is an equal opportunity employer that embraces diversity and inclusion in the workplace as a core value. We do not discriminate on the basis of race sex nationality color sexual orientation ancestry religion gender identity age marital status disability status or veteran status. We know the right candidate may not meet every criterion listed in this job description. If you believe you are a great candidate for this role and possess relevant skills not listed above we encourage you to apply and tell us why you are a great fit!


Required Experience:

IC