software engineer, product
Full time
Healthcare benefits
Unlimited PTO
Wellness reimbursement
Employee equity
Competitive salary
Catered lunch
Posted by

About the role

at sync. we train state-of-the-art controllable video generation models, build simple + intuitive products to interface w/ them best, and serve inference at huge scale.

we’re looking for an exceptional Full-stack Engineer to help us reimagine editing videos in an artful way people won’t be able to live without.

As a core part of the founding product team, you’ll obsess over every detail to create a product users love. You’ll ship with extreme urgency, and iterate your way through data-driven experiments to craft magical experiences.

You’ll be a major part in taking us from 50k to 5M+ highly engaged users in the next 2 years.

This role has the potential to grow into being a Head of Product.

Key Responsibilities:

  • Own the front-end architecture and development of our video generation platform, crafting a seamless user experience that delights users across all devices

  • Collaborate with our design team to translate wireframes and mockups into pixel-perfect, responsive UI components using cutting-edge front-end technologies

  • Implement intuitive, user-friendly interfaces that guide users through the video creation process, from template selection to customization and export

  • Optimize front-end performance, ensuring lightning-fast load times and smooth animations, even for complex video previews and interactions

  • Conduct thorough user testing and gather feedback to continuously iterate and improve the user experience, identifying pain points and opportunities for innovation

  • Define and track key product metrics, using data-driven insights to inform feature prioritization and design decisions

  • Stay ahead of the curve on emerging front-end technologies and design trends, experimenting with new approaches to keep our platform at the forefront of the industry

Required Skills and Experience:

  • 5+ years of experience as a front-end focused software engineer, with a proven track record of delivering outstanding user experiences

  • Mastery of modern front-end technologies, including HTML5, CSS3, JavaScript (ES6+), and front-end frameworks like React or Angular

  • Deep understanding of responsive design principles, cross-browser compatibility, and performance optimization techniques

  • Strong proficiency in converting design wireframes and mockups into functional, visually appealing UI components

  • Familiarity with user testing methodologies and tools, with a keen eye for identifying usability issues and opportunities for improvement

  • Exceptional problem-solving skills and the ability to balance technical constraints with user needs and business goals

  • Excellent communication and collaboration skills, with the ability to work seamlessly with design, product, and backend teams

Preferred Skills and Experience:

  • Experience with WebGL, Three.js, or other 3D rendering technologies for creating interactive video previews

  • Familiarity with video encoding, transcoding, and streaming protocols (HLS, DASH) for optimized playback across devices

  • Knowledge of accessibility best practices and experience building inclusive, WCAG-compliant interfaces

  • Proven track record of leading successful product initiatives from concept to launch, with measurable impact on user engagement and revenue

  • Experience with A/B testing, conversion rate optimization, and data-driven design decision-making


  • Deliver a world-class, user-centric front-end experience for our video generation platform, setting new standards for ease-of-use, performance, and visual polish

  • Drive significant improvements in user engagement, conversion rates, and retention through continuous iteration and data-driven optimizations

  • Collaborate with the design and product teams to define and execute a roadmap of innovative, user-focused features that differentiate our platform from competitors

  • Establish a culture of rapid experimentation, user testing, and data-driven decision-making within the front-end development team

  • Contribute directly to our company's revenue growth from $1M to $100M+ by building a front-end experience that users love and can't resist sharing with others

  • Become a recognized leader and innovator in the field of AI-powered video generation, pioneering new approaches to user interaction and experience design

our goal is to keep the team lean, hungry, and shipping fast. these are qualities we look for:

[1] raw intelligence

[2] boundless curiosity

[3] exceptional resolve

[4] high agency

[5] outlier hustle

[6] obsessively driven by data

dm me with a few sentences on who you are and what you'd do in the first week of working with sync.