Principal Frontend Engineer

Blitz is a quickly growing and self-sustaining start-up that provides gamers with personalized stats and insights powered by billions of matches. High performance is at the core of our values. We are a team of gamers and entrepreneurial technologists with big ambitions. At Blitz, you will find co-workers who are friendly, eager to collaborate, and work creatively to ship market-defining software. If you thrive in an environment optimized for autonomy, innovation, teamwork, and embody our principles, Blitz is the place for you to make an outsized impact. Overview We are seeking a Principal Frontend Engineer to join the Blitz team where you will be instrumental in shaping a new platform that enhances gaming experiences through interactive mobile applications and dynamic overlays. Our current web and desktop application, blitz.gg, was built with a penchant for bespoke systems. We are now seeking a talented Principal Front-End Developer to ensure scalability of our product to propel our growth. This position requires all hires to be onsite Monday through Thursday out of our LA or SF office, with the option to WFH on Friday. Description: As a Principal Front-End Developer, you will be at the forefront of our efforts to streamline and optimize our existing desktop application as well as expand our catalog of games. You will bring your deep technical expertise and high emotional intelligence to bear on a challenging codebase, simplifying and enhancing it for scalability and maintainability. You will work closely with cross-functional teams, including front & back-end developers, designers, and product managers, to deliver a seamless and efficient user experience. What You'll Do Analyze and understand the existing complex codebase, including it's bespoke systems and advanced front-end techniques. Implement new features for our current supported games as well as many new upcoming games Refactor, optimize, and simplify the existing codebase to continue scalability and maintainability. Write clean, efficient, and well-documented code in React & TypeScript. Develop and maintain service worker scripts for building, caching, and performance improvements. Collaborate with other developers to ensure smooth integration of front-end components with back-end services. Conduct code reviews and provide mentorship to junior developers. Work on accessibility, performance tuning, and optimization of the application to ensure high-speed and efficient functionality. Stay up-to-date with the latest front-end technologies and best practices. What It Takes To Be Successful 7 years of professional front-end development experience. Proficiency in TypeScript and modern JavaScript frameworks and libraries, specifically React. Proficiency with Electron.js and advanced interop patterns. Strong understanding of advanced JavaScript concepts, including IndexedDB, Proxy, Symbols, and state management libraries such as Valtio. Proven experience in developing and optimizing service worker scripts for caching. Excellent problem-solving skills and ability to understand and untangle complex codebases. Strong emotional intelligence and communication skills, with the ability to collaborate effectively with cross-functional teams. Experience with performance tuning and building high-performance applications. Ability to mentor and lead junior developers. Nice To Have Bachelor's degree in Computer Science, Engineering, or a related field. Experience with WASM friendly languages (especially Rust) and its integration with front-end technologies. Experience with accessible design & accessibility best practices Experience with Figma Experience with the gaming industry, Blitz, or the games we support. Why Blitz? Joining the Blitz team means embarking on one of the most intriguing challenges of your career at the intersection of video games and activity tracking. You'll be part of a forward-thinking company that values innovative problem-solving, bias toward action, and an inclusive culture that champions personal growth and collective success. Our team members are not just employees-they are active contributors to the gaming community with a shared vision of transforming the digital landscape. What We Offer Competitive salary: $220-260k Annual performance bonus Unlimited vacation policy 100% covered medical, dental, and vision plan Stock options program 401(k) matching Gaming laptop and peripherals Company-wide team building events Salary for the successful applicant depends on a variety of job-related factors, including but not limited to geographic location, market demands, experience, training, and education. Blitz is an Equal Opportunity Employer. We are committed to equal employment opportunity and the use of affirmative action programs to ensure that persons are recruited, hired, trained, transferred and promoted in all job groups regardless of race, color, religion, age, disability, national origin, citizenship status, military or veteran status, sex (including pregnancy, childbirth and related medical conditions), sexual orientation, gender identity, genetic information, and any other category protected by federal, state or local law.