Jobs at Critical Mass

Positions 735,996

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.

Senior SEO Strategist

Company: Critical Mass

Location: Other US Location

Posted Jun 01, 2023

None Found

Technology Lead

Company: Critical Mass

Location: Other US Location

Posted May 17, 2023

None Found

Senior Marketing Science Analyst, Implementation

Company: Critical Mass

Location: Chicago, IL

Posted May 29, 2023

The job description is looking for a Senior Marketing Science Analyst with experience in advanced analytical methods, data modeling, and data visualization. The role involves managing end-to-end analytics tracking, designing measurement solutions, and leading project delivery expectations. The company, Critical Mass, is committed to diversity and inclusion and offers a hybrid work model.

Marketing Science Implementation Lead

Company: Critical Mass

Location: Other US Location

Posted May 12, 2023

This job posting is for a Marketing Science Lead with 5-8 years of experience. The role involves leading and managing a team of analysts, implementing and validating tracking and data gathering strategies, and providing consultative support to quality assurance/testing. The candidate should have experience with Adobe Analytics, Adobe Launch, and other marketing tags. The role also requires collaborating with technology teams and having advanced Excel and communication skills.

PIPELINE, Future Client Services Talent

Company: Critical Mass

Location: Other US Location

Posted May 17, 2023

Critical Mass, a renowned digital experience design agency, is seeking talented Account Managers for various levels. They emphasize a hybrid work model, requiring a minimum of 3 days in the office for continuous learning, improved collaboration, and increased employee engagement. The company is committed to diversity and inclusion, and offers opportunities for remote work in certain roles. They provide comprehensive training and onboarding, aiming for long-term employee success.

Creative Director

Company: Critical Mass

Location: Los Angeles, CA

Posted May 31, 2023

The job description for a Creative Director at Critical Mass is for a leadership role that requires a strong creative voice, strategic thinking, and interpersonal skills. The role involves developing solid client relations, visual design, and managing a large creative team. The successful candidate will drive strategies, contribute creative solutions, and promote continuous improvement. They will also engage with other departments and support HR initiatives.

Group Creative Director

Company: Critical Mass

Location: Los Angeles, CA

Posted May 31, 2023

The Group Creative Director role at Critical Mass is a challenging position that requires a proven track record in leading major marketing initiatives, developing solid client relations, planning leading-edge online strategies, and fostering a collaborative environment. The ideal candidate should have a strong working knowledge of experience design, brand development, interactive commerce, and creative process. They should also be an efficient time manager, able to juggle client deadlines, and contribute creative solutions to strengthen the Critical Mass brand and market leadership position.

MES Sales North America SMT

Company: Critical Manufacturing

Location: Atlanta, GA

Posted Jun 09, 2023

This job is for a high-performing and experienced Sales professional in the North American region to meet and exceed customer acquisition and revenue growth targets. The role involves owning and hitting/exceeding annual sales targets, developing and executing a strategic plan, communicating the value proposition, and building strong customer relationships. The ideal candidate should have experience in selling MES to electronics manufacturing industries, a proven ability to drive the sales process, and excellent communication and negotiation skills.

Marketing Science Director

Company: Critical Mass

Location: Other US Location

Posted May 13, 2023

The job description is for a Marketing Science Director with a focus on data-driven decision making, developing data collection strategies, working with multidisciplinary teams, and providing mentorship to team members. The role involves managing a team, communicating complex concepts, leveraging machine learning and AI, and staying updated with industry trends.

Creative Director, Copy

Company: Critical Mass

Location: New York City, NY

Posted May 06, 2023

None Found

Marketing Science Director

Company: Critical Mass

Location: Other US Location

Posted May 13, 2023

The job description is for a Marketing Science Director position at Critical Mass, a company that values data-driven insights and teamwork. The role involves developing and implementing data collection strategies, working with multidisciplinary teams, and leading a team of digital analysts. The company emphasizes the importance of continuous learning, collaboration, and employee engagement.

Associate Studio Artist

Company: Critical Mass

Location: Other US Location

Posted May 08, 2023

None Found

Frequently Asked Questions

What is it like to work at Critical Mass?
Working at Critical Mass means joining a collaborative, data‑driven environment that values experimentation. You’ll participate in daily stand‑ups, bi‑weekly hackathons, and monthly tech talks. The team embraces remote‑first flexibility, but also meets weekly in the San Francisco office for design sprints. Employees receive a 100‑hour training stipend and can earn equity through a quarterly grant schedule. Open‑source contributions are encouraged and often recognized in performance reviews.
What types of positions does Critical Mass offer?
Critical Mass has openings across engineering, product, and operations. Popular roles include Senior Backend Engineer (Python/Golang), Machine Learning Engineer, Cloud Infrastructure Architect, Product Manager (Analytics), and Security Analyst (Threat Intelligence). The company also hires Data Engineers, Front‑end Engineers, UX Researchers, and DevOps Specialists. Each role offers a hybrid work model and a competitive benefits package.
How can I stand out as an applicant for Critical Mass?
Showcase a portfolio that demonstrates real‑time data processing or distributed system design. Contribute to the company’s open‑source projects on GitHub or publish a blog post about a relevant tech topic. Provide metrics in your resume—e.g., reduced latency by 30% or improved throughput by 50%. Highlight experience with Kubernetes, Apache Arrow, or large‑scale analytics. Prepare for the interview by mastering system design, coding challenges, and aligning your answers with the company’s mission of delivering fast, trustworthy insights to financial clients.

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