Senior Fullstack Engineer

About Us

At Colossyan, we are helping modern teams scale training with AI video.

Top companies like Novartis, Paramount, Continental, and WSP use Colossyan to create engaging video content from text and documents, with significant time and cost savings compared to traditional video production. Nearly 1 million videos have been created using Colossyan, and we've been recognised as a G2 Leader in multiple product categories.

• Create videos from text, with narration from our professional AI avatars
• Turn documents, presentations, and prompts into engaging videos
• Translate your video content to 80+ languages in seconds
• Personalise your videos by creating a digital avatar of yourself
• Make training interactive with features like branching, quizzes, and more

We take great pride in fostering a culture of growth within our rapidly-growing, international team of over 50. Our organization thrives on a deep‑seeded passion for technology and its incredible potential, with a strong commitment to the personal and professional development of each team member.

To learn more about our product features, visit

The Fullstack Engineer is responsible for leading the development and optimization of user-facing features in our web applications. This role involves a blend of advanced technical skills, creativity, and a keen understanding of the latest web development trends and technologies.

• Design, build, and maintain efficient, reusable, and reliable front-end code using Next.js, React, and Type Script.
• Implement dynamic user interfaces, ensuring an optimal user experience across various devices and browsers.
• Implement entire features including frontend, backend and databases.

• Collaborate with cross-functional teams, including designers, back-end developers, and product managers, to deliver high-quality products.
• Provide mentorship and guidance to junior developers, promoting best practices in front-end development.

• Enhance and optimize applications for maximum speed and scalability.

• Ensure the technical feasibility of UI/UX designs.
• Uphold high standards of quality by writing clean, understandable, and testable code.
• Enhance and maintain the testing infrastructure to avoid regressions.

• Stay abreast of emerging technologies and trends in front-end development.
• Experiment with new technologies and techniques to improve the development process and user experience.

• Conduct code reviews to ensure adherence to coding standards and to foster a culture of collective code ownership.
• Integrate front-end components with server-side logic and functionalities.
• Propose and drive improvements to the overall architecture of our software stack.

• Lead projects, and provide mentorship to others on how to manage complex initiatives.
• Be proactive about change, and biased towards action.

• Proficiency with our frontend stack - Next.js, React and Typescript ideally.
• Be able to write simple REST endpoints and database queries to support your feature.
• Be critical and honest about the engineering practices we employ
• Reason for change and pushback against "normalcy" if it is for the better of the team
• Bring a new angle of view to the team for the problems we are facing

At Colossyan, we believe that diversity drives innovation and inclusion fosters a sense of belonging. We are committed to creating a workplace where everyone feels valued, respected, and empowered to bring their authentic selves to work.

We actively seek to build a diverse team and encourage applications from candidates of all backgrounds and beliefs to apply to our open positions.