Remote LATAM Full-Stack Builder — Ship Fast, Own Outcomes

Openkrill; United States; Remote; USD 90,000 - 140,000; Full time

Benefits offered by this job

Monthly USD payments

23 days PTO per year

USA Federal Holidays

Contractor agreement with no end date

Job summary

Katapult Labs is seeking a skilled Full-Stack Builder to join the founding technical team behind an early-stage partner product—spanning web platform and future mobile app. You will understand and harden the existing architecture, refactor where needed, and seed the technical process for ongoing product development.

The role emphasizes shipping quality features quickly, collaborating with a product-minded team that values user experience, and maintaining lean architectural decisions.

Qualifications

• Strong full-stack engineering experience with modern web technologies (frontend and backend).
• Advanced conversational English and ability to collaborate in a fast-paced startup environment.
• Demonstrated ability to ship quickly with lean architecture and avoid over-engineering.
• Experience refactoring or hardening an existing early-stage codebase.
• Familiarity with product analytics tooling (Amplitude, PostHog or similar).
• Comfort using AI coding tools as part of daily workflow.

Responsibilities

• Understand and evaluate the current architecture of the partner's web platform.
• Refactor and harden the codebase to enable rapid, reliable iteration.
• Build new features end-to-end in collaboration with the product lead on UX and engagement.
• Establish lightweight technical processes (code reviews, deployment, documentation).
• Collaborate with a technical product manager and design lead in a fast-moving startup.
• Extend work into mobile development as the product roadmap evolves.

Skills

Full-stack development

English communication

Shipping fast

Tools

Amplitude

PostHog

Cursor

Claude Code

Job description

Katapult Labs is seeking a skilled Full-Stack Builder to join the founding technical team behind an early-stage partner product—spanning web platform and future mobile app. You will understand and harden the existing architecture, refactor where needed, and seed the technical process for ongoing product development.

The role emphasizes shipping quality features quickly, collaborating with a product-minded team that values user experience, and maintaining lean architectural decisions.