Software Engineer, Core Product
About the role and team We are building the future of open-ended interactions between people and intelligent agents. This requires rethinking design, user interfaces, workflows and interactivity from first principles.
What this role actually needs.
About the role and team We are building the future of open-ended interactions between people and intelligent agents. This requires rethinking design, user interfaces, workflows and interactivity from first principles. Responsibilities: - Develop highly performant, visually appealing, and user-friendly interfaces that push the boundaries of what's possible. - Enhance and refine our user interface, focusing on engaging our users by fulfilling their needs, desires, and expectations. - Collaborate closely with the design team to translate visionary concepts into tangible user experiences and product interfaces. - Establish, evolve, and maintain design foundations, systems, and patterns for the team, setting the bar for product consistency and quality. - Collaborate with others to define and implement new product features and design patterns Requirements: - Experience as a Front-End or Full-Stack Software Engineer with a strong focus on user experience and design systems - Deep understanding of Typescript, React, React Native, Tailwind, HTML, and modern front-end best practices. - Demonstrated experience with building features and experiences for consumer products - Passionate about the pixels, an exceptional eye for detail, and a focus on craft and polish - Proven ability to work in a fast-paced development environment and deliver timely results. - Excellent communication and collaboration skills across engineering, product, design, and data. Company context: Character.AI builds personalized conversational AI agents and the infrastructure that powers them at scale.
Day-to-day expectations
Character.AI lists these responsibilities for the Software Engineer, Core Product role.
- Develop highly performant, visually appealing, and user-friendly interfaces that push the boundaries of what's possible.
- Enhance and refine our user interface, focusing on engaging our users by fulfilling their needs, desires, and expectations.
- Collaborate closely with the design team to translate visionary concepts into tangible user experiences and product interfaces.
- Establish, evolve, and maintain design foundations, systems, and patterns for the team, setting the bar for product consistency and quality.
- Collaborate with others to define and implement new product features and design patterns
What a strong candidate brings
These requirements are extracted from the source listing and normalized for UpJobz readers.
- Experience as a Front-End or Full-Stack Software Engineer with a strong focus on user experience and design systems
- Deep understanding of Typescript, React, React Native, Tailwind, HTML, and modern front-end best practices.
- Demonstrated experience with building features and experiences for consumer products
- Passionate about the pixels, an exceptional eye for detail, and a focus on craft and polish
- Proven ability to work in a fast-paced development environment and deliver timely results.
- Excellent communication and collaboration skills across engineering, product, design, and data.
Why this listing is more than a copied job post.
Software Engineer, Core Product is framed against UpJobz source checks, country scope, compensation visibility, and work-authorization signals so candidates can make a faster go/no-go decision.
United States tech market
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Compensation read
$150K - $300K is visible before the click, so candidates can compare the role against local market expectations before applying.
Work authorization read
Current extracted signal: Open to TN, H-1B, and OPT candidates already in the United States. UpJobz treats this as a search signal, not legal advice, and links visa-sensitive roles back to the relevant visa hub where possible.
Location read
Hybrid roles in Redwood City should be compared against commute, local salary bands, and nearby employer demand.
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- $150K - $300K is visible, so calibrate your application around the posted range.
- Use open to tn, h-1b, and opt candidates already in the united states as part of your positioning so the recruiter does not have to infer it.
- Show concrete examples of succeeding in hybrid environments.
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Source: jobs.ashbyhq.com · Source ID: 140e81c9-c989-4e95-9768-f4f6e7f6759c · Confidence: 92/100 · Last checked: May 7, 2026
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