Designs and builds maintainable, high-performance full-stack applications for digital and physical live-streaming experiences. Integrates front-end applications with distributed backend services using REST and gRPC, develops automation and AI-assisted tooling, makes architectural decisions, collaborates with product and design, participates in code reviews, and mentors engineers. The role requires expertise in modern JavaScript frameworks, state management, backend development, SQL and NoSQL databases, and large-scale software applications.
Cosm is a global technology company that brings experiences to life in immersive environments. We help our partners create spaces and content that blur the lines of real and virtual across three primary markets: Sports and Entertainment, Science and Education, and Parks and Attractions. Cosm was born from the fusion of some of the greatest innovators in the history of technology. Evans & Sutherland, Spitz, Inc., and Cosm Immersive combined forces to power the immersive experiences of the future as Cosm. Innovation is in our DNA.
IMPORTANT NOTICE FROM THE COSM HUMAN RESOURCES & RECRUITING TEAM REGARDING A RECRUITING SCAM: Your security and trust matter to us. Please note that Cosm Recruiters will ALWAYS communicate with you from an official "@Cosm.com" email address or through authorized platforms such as LinkedIn. We will NEVER request payments, banking details, or personal financial information during the recruitment process. If you receive a suspicious communication or job offer claiming to be from Cosm, please do not respond or share personal information. For official Cosm opportunities, always visit www.cosm.com/careers.
The software engineering team for Cosm develops technology to deliver best-in-class experiences in both our digital and physical live streaming products. We are looking for a talented Senior Software Engineer with a passion for building applications and services to help architect, design and build the systems that power our venues, websites, and displays. We expect our engineers to be versatile, display leadership qualities, and to be enthusiastic when taking on new problems across the full-stack as we continue to push the technology forward.
Responsibilities:- Design and build front-end and mixed front end and back end applications with an eye towards simplicity, maintainability, performance, and usability.
- Work closely with product and design to develop compelling cross-platform end-to-end experiences across multiple features and products.
- Collaborate with the team to integrate front-end applications with distributed micro-service backends via RESTful APIs and gRPC.
- Automate repetitive and complex tasks by developing and improving tools and processes that our team can rely on for daily development, testing, and release management.
- Champion the responsible use of AI in our development workflow, including building internal skills and MCPs (Model Context Protocol) integrations with an eye toward token efficiency and cost.
- Make architectural proposals and decisions to solve complicated problems, contribute and advise in design and product sessions.
- Contribute to high-level strategic decisions with the rest of the Engineering and Executive teams.
- Mentor and develop talent amongst the development team with open and helpful communication.
- Participate in code reviews, helping to set standards & follow best practices.
- Stay on top of industry trends and emerging technologies.
- Push the limits, try new technologies, take calculated risks, swing for the fences and proactively search for the best solutions and ideas in the marketplace.
- 4-5 years of relevant experience as a Front End Engineer
- 4+ years experience as a Full stack Engineer.
- Bachelor’s degree in Computer Science or equivalent practical experience.
- Expertise in HTML, CSS, and JavaScript/Typescript.
- Expertise with React, Next.js, Vite.js, TanStack or other modern javascript frameworks.
- Expertise with Redux, Redux Toolkit, React Context, Zustand or other state management.
- Expertise with backend service development utilizing Rust, Node.js (Typescript preferred), Go, Python, Java or Ruby.
- 3+ years experience working with NOSQL and SQL database systems.
- Demonstrated expertise in developing, releasing, and maintaining large-scale software applications.
- Informed opinions on design and library development as an author and a developer but always willing to listen to differing opinions.
- Driven to automate your processes, test continually, and document your work.
- Experience with AI-assisted development tools, prompt engineering, or building custom AI tooling
- You’re not afraid of an open, candid, and respectful work environment.
- Passion for video live-streaming, sports or eSports is a plus.
The annualized base salary range for this position in California is $135,000- $145,000. The base salary offered will factor in internal equity and may also vary depending on the candidate's geographic region, job-related knowledge, skills, and relevant experience, among other factors.
All applicants must be at least 18 years of age at the time of employment. This requirement is in accordance with applicable federal, state, and local labor laws. Cosm is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
Cosm Los Angeles, California, USA Office
Playa Vista (west side).
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What you need to know about the Los Angeles Tech Scene
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