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.
SEO Strategist
Company: Critical Mass
Location: Other US Location
Posted Feb 18, 2023
The text describes a role for an SEO strategist who is responsible for optimizing search results, driving results for world-class brands, and working across disciplines to implement search initiatives. The role involves data-driven analysis, content strategy, and technical optimizations to improve search visibility and performance.
UX Design Intern
Company: Critical Mass
Location: Other US Location
Posted Feb 16, 2023
The Critical Mass Trailhead Internship Program is a 12-week program offering regular learning opportunities, mentorship, real client work, and a stipend. The intern will work on client projects, learn UX tools, and collaborate with cross-disciplinary teams. The internship runs from May 22-August 11, 2023, and is a rolling application process. The intern will have the opportunity to learn and use UX specific programs such as Sketch, Adobe XD, Axure, and Principle.
Media Director
Company: Critical Mass
Location: Chicago, IL
Posted Feb 17, 2023
The role of a Media Director involves driving the strategic use of media to impact a client's business performance. This includes developing a strategic vision, guiding team execution and management, conducting audience insights, managing client relationships, integrating cross-discipline teams, and leading a holistic approach across digital and traditional media channels. The ideal candidate should have 9+ years of digital media experience, 4+ years of management experience, and a strong understanding of digital media and the digital landscape. They should also have excellent communication skills, project management abilities, and the ability to adapt to new situations.
Strategy Intern
Company: Critical Mass
Location: Chicago, IL
Posted Feb 15, 2023
The Critical Mass Trailhead Internship Program is a 12-week program offering regular learning opportunities, mentorship, real client work, and a paid internship. The Strategy Intern will be responsible for delivering and supporting all service areas within the department and across multiple projects. The internship provides opportunities for research, ad-hoc analyses, and communication of research findings. The hiring location is still being finalized and applications are reviewed on a rolling basis.
Strategy Intern
Company: Critical Mass
Location: Other US Location
Posted Feb 15, 2023
The Critical Mass Trailhead Internship Program is a 12-week program offering regular learning opportunities, mentorship, real client work, and a paid internship. The intern will be part of the Strategy team, responsible for research, competitive analysis, and web analytics. The internship runs from May 22-August 11, 2023, and is a fast-track to launch a career in the digital agency world. The intern is expected to work from an office on Tuesdays and Thursdays to strengthen learning, collaboration, and employee engagement.
Senior Developer, Front End
Company: Critical Mass
Location: Other US Location
Posted Feb 17, 2023
The Critical Mass technology team is seeking a Senior Developer with experience in Vanilla Javascript, React.js, HTML5, CSS3, and CSS-based animation. The role involves collaborating with design and UX, mentoring other front-end developers, and ensuring code compatibility across devices. The team values WCAG compliance, web performance optimization, and modern fundamentals.
UX Design Intern
Company: Critical Mass
Location: Chicago, IL
Posted Feb 16, 2023
The Critical Mass Trailhead Internship Program is a 12-week program offering regular learning opportunities, mentorship, real client work, and a stipend. The intern will work on client projects, learn UX design tools, and collaborate with cross-disciplinary teams. The internship runs from May 22-August 11, 2023, and is a rolling application process. The intern will have the opportunity to learn and use UX design software such as Sketch, Adobe XD, Axure, and Principle.
Associate UX Designer
Company: Critical Mass
Location: Chicago, IL
Posted Feb 17, 2023
The Trailhead program at Critical Mass is a 12-week learning journey for new hires, focusing on understanding the company's work, integrating new talent, and supporting career growth. The Summer 2023 cohort starts on June 5, 2023. The role of an Associate User Experience (UX) Designer involves designing user experiences for clients' digital products, organizing content, developing information architectures, and delivering detailed wireframes and functional specifications. The successful candidate will receive high-level direction, produce detailed wireframes, visual compositions, and prototypes, draw insights from data, collaborate with internal and external teams, and focus on growing as a designer.
Associate UX Designer
Company: Critical Mass
Location: Other US Location
Posted Feb 17, 2023
The Trailhead program at Critical Mass is a 12-week learning journey for new hires, focusing on understanding the company's work, integrating new talent, and supporting career growth. The Summer 2023 cohort starts on June 5, 2023. The role of an Associate User Experience (UX) Designer involves designing user experiences for clients' digital products, organizing content, developing information architectures, and delivering detailed wireframes and functional specifications. The successful candidate will receive high-level direction, produce detailed wireframes, visual compositions, and prototypes, draw insights from data, collaborate with internal and external teams, and focus on growing as a designer.
Technology Lead, Front End
Company: Critical Mass
Location: Chicago, IL
Posted Feb 16, 2023
Critical Mass is seeking a Technology Lead to join their growing team. The role involves leading technical teams, providing support to other disciplines, and working closely with various teams to ensure technology meets performance targets. The candidate should have at least 6 years of experience with ES6/vanilla JavaScript and Front-End technologies, as well as experience with AEM components, CRX Classic or Touch UI, and working with external web services. The role requires excellent knowledge of recent development practices, working with version control systems, and building proof of concept prototypes.
Senior Designer
Company: Critical Mass
Location: Other US Location
Posted Feb 15, 2023
This job posting is for a Senior Designer position at Critical Mass, a company committed to diversity and inclusion. The Senior Designer will be responsible for crafting creative concepts, managing a team of designers, and providing quality assurance on creative deliverables. The company offers a solid working knowledge of design software, a diverse team, and a commitment to equal opportunity employment.
Marketing Science (Data Analytics) Intern
Company: Critical Mass
Location: Chicago, IL
Posted Feb 16, 2023
The Critical Mass Trailhead Internship Program is a 12-week program offering regular learning opportunities, mentorship, real client work, and a paid internship. The intern will work on various tasks such as using web analytics, social media, survey, and mobile measurement tools. They will also develop tagging requirements, perform data quality assurance, and use Excel, Tableau, or DW/BI reporting system management. The intern will have the opportunity to work with other agencies and develop and test campaign tracking codes. The internship runs from May 22-August 11, 2023, and is a fast-track to launch a career with regular learning opportunities and mentorship.