Jobs at Critical Mass
Critical Mass is a San Francisco‑based data‑science powerhouse that builds real‑time analytics engines for the financial sector. Its flagship product, MassFlow, processes millions of transactions per second using a microservices architecture on Kubernetes. The company has earned recognition for its open‑source contributions to the Apache Arrow community and for securing a Series C round that valued it at over $1 billion.
Critical Mass hires full‑stack engineers, data scientists, DevOps specialists, product managers and security analysts. New hires expect rigorous peer‑review coding, cross‑functional sprint ceremonies, and a culture of continuous learning that includes quarterly hackathons and paid certifications. The company offers a remote‑first policy, a 100‑hour annual training budget, and a transparent equity grant program.
Job Transparency’s listings provide Critical Mass candidates with real‑time salary ranges, interview difficulty ratings and employee sentiment scores. By comparing the disclosed compensation against the market benchmark and reading recent reviews, applicants can negotiate better offers and choose roles that match their career goals.
Critical Care Physician , Salem, MA
Company: Mass General Brigham
Location: Salem, Massachusetts
Posted Jul 14, 2025
Colorectal Surgeon, Dover, NH
Company: Mass General Brigham
Location: Dover, New Hampshire
Posted Jun 23, 2025
Primary Care Physician, Natick, MA
Company: Mass General Brigham
Location: Natick, Massachusetts
Posted Jul 14, 2025
Infectious Diseases Physician, Northampton, MA
Company: Mass General Brigham
Location: Northampton, Massachusetts
Posted Jul 14, 2025
Internal Medicine Physicians, North of Boston, MA
Company: Mass General Brigham
Location: Danvers, Peabody and Salem, MA
Posted Jun 22, 2025
Neurologist Opportunities in Dover & Portsmouth, NH and Lynn, MA
Company: Mass General Brigham
Location: New Hampshire & Massachusetts
Posted Jul 13, 2025
Site Director/Interim Medical Director, Vascular Surgeon Opportunity in Dover, NH
Company: Mass General Brigham
Location: Dover, New Hampshire
Posted Jun 30, 2025
Geriatric Medicine, North of Boston, MA
Company: Mass General Brigham
Location: Salem, Massachusetts
Posted Jun 29, 2025
Gastroenterologist, Danvers, MA
Company: Mass General Brigham
Location: Danvers, Massachusetts
Posted Jun 29, 2025
Internal Medicine Physician, Belchertown, MA
Company: Mass General Brigham
Location: Belchertown, Massachusetts
Posted Jul 06, 2025
Cost Engineer
Company: Mass Precision, Inc.
Location: San Jose, CA
Posted Jul 11, 2025
MASS Precision is seeking a proactive and detail-oriented Cost Engineer to support our manufacturing operations by providing accurate cost analysis, driving…
Regional Primary Care Physician – No Panel Management, 20 hours/week (min.)
Company: Mass General Brigham
Location: Newton, Massachusetts
Posted Jul 14, 2025