Senior Frontend Engineer

S4 Capital Group

. Build responsive, accessible interfaces in React, Next.js, and TypeScript .

Posted 10/31/2026full-timeRemote • ColombiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building responsive and accessible user interfaces using React, Next.js, and TypeScript, while ensuring high performance and quality through effective collaboration with design and backend teams.

Highest-signal resume keywords

React DevelopmentNext.js FrameworkTypeScript ProficiencyAPI IntegrationAccessibility Fundamentals

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Frontend DevelopmentModern CSSResponsive LayoutComponent ArchitectureDebugging APIsTesting PracticesData VisualizationAnimation DesignInteraction DesignUX Design for AI Products

Soft Skills

Strong Communication SkillsCollaboration

Tools & Technologies

FigmaAI Coding ToolsClaude CodeCodex

Industry Keywords

Agile EnvironmentOpen-Source Work

Tech Stack

Tools & technologies

JavaScriptNext.jsReactTypeScript

About the role

Key responsibilities & impact

Build responsive, accessible interfaces in React, Next.js, and TypeScript
Turn designs into clean, reusable, well-structured components
Integrate backend APIs and handle real-world states gracefully
Review human- and AI-generated code for quality, consistency, and engineering-standard alignment
Maintain high performance, responsiveness, and accessibility across the product
Collaborate with design, product, and backend teams to ship features end to end

Requirements

What you’ll need

5+ years of relevant frontend development experience
Strong React, Next.js, and TypeScript skills
Strong modern CSS and responsive layout skills
Accessibility fundamentals
Solid component architecture
Experience integrating and debugging APIs
Good testing habits
Comfortable working in a fast-paced, agile consulting environment
Fluent working alongside AI coding tools such as Claude Code and Codex
Strong English communication skills
Experience building data-dense dashboards or data visualizations (bonus)
Fluency with Figma and design handoff processes (bonus)
Animation and interaction-design skills (bonus)
Experience designing UX for AI-powered products (bonus)
Open-source work (bonus)

Benefits

Comp & perks

Remote work in Latam
Inclusive workplace and equal-opportunity employment commitment