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.
Primary Care Physician, Pembroke, MA
Company: Mass General Brigham
Location: Pembroke, Massachusetts
Posted Aug 31, 2025
Evening Admitter, Salem, MA
Company: Mass General Brigham
Location: Salem, Massachusetts
Posted Aug 25, 2025
Hospitalist, Northampton, MA
Company: Mass General Brigham
Location: Northampton, Massachusetts
Posted Aug 15, 2025
Machining Supervisor
Company: Mass Precision Inc
Location: San Jose, CA
Posted Aug 08, 2025
High school diploma or equivalent; technical certification or associate degree in a related field preferred. Oversee the maintenance and repair of fabrication…
Gastroenterologist, Braintree, MA
Company: Mass General Brigham
Location: Braintree, Massachusetts
Posted Aug 25, 2025
Endocrinology, Haverhill, MA
Company: Mass General Brigham
Location: Haverhill, Massachusetts
Posted Aug 25, 2025
Palliative Care Physician, Salem, MA
Company: Mass General Brigham
Location: Salem, Massachusetts
Posted Aug 15, 2025
Primary Care Physician, Lawrence, MA
Company: Mass General Brigham
Location: Lawrence, Massachusetts
Posted Aug 17, 2025
Pulmonary Physician, South Weymouth, MA
Company: Mass General Brigham
Location: South Weymouth, Massachusetts
Posted Aug 31, 2025
Chiller Technician
Company: Critical Rental Solutions
Location: Dallas, TX
Posted Aug 12, 2025
Troubleshoot and repair all electrical and mechanical components of HVAC equipment. Must be able to diagnose, troubleshoot, and repair commercial / industrial…
Chiller Technician
Company: Critical Rental Solutions
Location: Dallas, TX
Posted Aug 25, 2025
Troubleshoot and repair all electrical and mechanical components of HVAC equipment. Must be able to diagnose, troubleshoot, and repair commercial / industrial…
Neurologist Multiple Sclerosis Specialist, Dover, NH
Company: Mass General Brigham
Location: Dover, New Hampshire
Posted Aug 24, 2025