Senior Full-Stack Developer

Katapult Labs

Senior full-stack builder co-creating AI products for US startups through Katapult’s LATAM engineering studio. Designing architecture, interfaces, and workflows while orchestrating AI agents.

Posted 8/14/2026full-timeRemote • 🇨🇴 ColombiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack development, including architecture and integrations, while effectively communicating with clients in fluent English. Proficient in leveraging AI tools to enhance productivity and ensure reliable project execution.

Highest-signal resume keywords

Full-Stack DevelopmentClient EngagementAI Tool UtilizationArchitecture DesignScalability Consideration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack ExperienceBackend DevelopmentFrontend DevelopmentMobile DevelopmentMicro-Frontend ExperienceArchitecture PlanningIntegration DevelopmentScalability PlanningAccess Control ImplementationTechnical Decision Rationale

Soft Skills

Proactive CommunicationProblem-SolvingClient Relationship ManagementCritical ReviewAdaptability

Tools & Technologies

AI ToolsClaudeClaude Design

Industry Keywords

Startup ExperienceProduct ConsultingStakeholder CommunicationAmbiguous Product Conversations

About the role

Key responsibilities & impact

Design and build products end-to-end alongside clients, including architecture, data models, integrations, and final interfaces
Work in lean teams, typically starting at 2–3 people and scaling as projects grow
Maintain direct client exposure without managers or leads absorbing communication
Translate ambiguous business needs into clear, executable technical plans
Explain and defend the rationale behind technical decisions
Provide proactive, honest updates and push back on scope when needed
Ask questions early to prevent technical issues from becoming client trust issues
Use AI tools such as Claude and Claude Design as daily productivity multipliers
Leave context, rules, and tests that enable AI agents and humans to work reliably
Co-create with clients and actively shape product decisions
Communicate Katapult’s value consistently with project stakeholders

Requirements

What you’ll need

Fluent English sufficient for direct product and architecture conversations with US-based clients
Solid full-stack experience across backend and frontend
Mobile or micro-frontend experience is a plus
Track record of quickly turning ambiguous product conversations into working architecture
Experience considering scalability, access control, and integrations from day one
Senior-level experience, including ability to run an engagement solo when needed
Track record including both wins and lessons learned
Prior experience working directly with clients or business stakeholders
Startup or product-consulting background is a strong fit
Comfortable using AI tools as a core part of daily workflow
Ability to plan work and critically review AI-agent output

Benefits

Comp & perks

Work from Anywhere in Latin America
23 Days of PTO per Year, accrued monthly (1.91 days/month)
USA Federal Holidays
Monthly Payment in USD
Contractor Agreement with No End Date
Katapult covers the cost of top-tier tooling