Frontend Software Engineer

Responsibilities

• Build the analyst-facing UI for Kepler's AI research platform, including source explorer for tracing values to document origins, real-time agent work interfaces, financial statement views resembling native spreadsheets with fast rendering and keyboard navigation, and streaming interfaces for long-running research queries.
• Own features end-to-end from rough mocks to polished, production interfaces.
• Extend the platform to new industries and lead new architecture as infrastructure scales.
• Collaborate closely with the team in an office setting, using AI tools like Cursor and Claude Code.
• Handle unglamorous problems such as regressions, subtle bugs, and last-minute debugging.
• Participate in weekly 1:1s, architectural reviews, and growth toward technical leadership.

Requirements

• 5+ years building production software.
• Expert in TypeScript/React with deep browser knowledge to optimize interface performance.
• Experience building data-dense interfaces (tables, charts, long documents, live-updating views) that remain fast.
• Strong product taste: attention to interaction details, ability to refine rough mocks into polished UIs.
• Comfortable navigating unfamiliar codebases, moving between component libraries and APIs.
• Focus on correctness, failure modes, and systems thinking.
• Strong personal traits: ownership, communication, low ego, adaptability to rapid changes, preference for fixing issues directly.
• Alignment with building foundational AI-finance technology impacting critical decisions.

Nice-to-Haves

• Experience in finance or high-stakes domains.
• Familiarity with our stack: Rust backend, PostgreSQL, AWS, Claude/GPT models.

Compensation and Benefits

• Competitive compensation scaling with experience (see salary data).
• 100% covered top-tier medical, dental, vision insurance for employees and families.
• Company-maxed HSA to IRS limit.
• Automatic life, AD&D, and disability insurance.
• Daily lunch in office.
• Unlimited PTO.
• Development environment budget (latest MacBook Pro, monitors, ergonomic setup, tools).
• "Build anything" budget for tools, libraries, datasets, or infrastructure.