Senior Frontend Engineer

Hire Hangar; USA; Remote; USD 140.000 - 180.000; Vollzeit

Zusammenfassung

Hire Hangar is hiring a Senior Frontend Engineer to build AI-powered product interfaces and data-driven experiences. You will develop interactive UIs using React 19 and Next.js App Router, implement dashboards, and translate designs into production-ready components.

The role emphasizes AI integrations, real-time data flows, and collaboration with cross-functional teams in a remote setup. The ideal candidate has strong TypeScript in strict mode, Tailwind CSS expertise, and a track record of

Qualifikationen

• 5+ years of frontend experience with React 19 and Next.js App Router.
• Strong TypeScript in strict mode for scalable apps.
• Tailwind CSS proficiency for responsive UIs.
• Experience building dashboards and data-heavy interfaces.
• Experience with Server Components and frontend state management.
• Production integration of LLM APIs and prompt engineering.
• Familiar with AI tools (Cursor, Copilot, Claude Code) and AI SDKs.
• Experience with Supabase or similar BaaS platforms; relational data handling.
• Ability to work with real-time data, polling, and data-fetch patterns.
• Excellent English communication; prior remote work with US/UK companies preferred.

Aufgaben

• Develop and maintain React 19/Next.js frontend applications.
• Build dashboards and data-heavy interfaces with responsive UI.
• Translate designs into production-ready components.
• Create complex forms and scalable UI elements.
• Integrate AI-powered workflows and LLM features.
• Handle real-time data fetching and optimize performance.
• Collaborate remotely with product, design, and engineering teams.

Kenntnisse

React 19

Next.js App Router

TypeScript strict

Tailwind CSS

LLM integration

Prompt engineering

OpenAI APIs/SDKs

Realtime data fetching

PostgreSQL schemas

Remote collaboration

Tools

Cursor

Copilot

Claude Code

Supabase

PostgreSQL

Google Workspace

Slack

Zoom

Jira/Linear

Jobbeschreibung

Join the company and work with fast-growing global companies while building a long-term career.

Job Title: Senior Frontend EngineerLocation: RemoteTime Zone: US Time Zones (EST–PST)Role OverviewWe are seeking a Senior Frontend Engineer to build AI-powered product interfaces and analytics-driven user experiences. This role is ideal for someone who enjoys building highly interactive frontend applications using modern React architecture and AI integrations.

Key Responsibilities

• Build and maintain frontend applications using React 19 and Next.js App Router

• Develop dashboards and data-heavy interfaces

• Translate designs into responsive production-ready UI

• Build complex forms and scalable frontend components

• Integrate AI-powered workflows and LLM functionality

• Work with real-time frontend data flows
• Optimize frontend performance and usability

• Collaborate with product, design, and engineering teams remotely

Required Qualifications

• Strong production experience with React 19 and Next.js App Router

• Expert-level TypeScript strict mode experience (non-negotiable)

• Strong Tailwind CSS implementation skills

• Experience building dashboards, analytics tools, or data-heavy applications

• Experience with Server Components and frontend state management

• Production experience integrating LLM APIs into applications

• Practical prompt engineering experience
• Experience with OpenAI APIs or AI SDKs
• Familiarity with AI-assisted development tools such as Cursor, Copilot, or Claude Code

• Experience working with Supabase or similar BaaS platforms

• Ability to work with PostgreSQL schemas and relational data structures

• Experience implementing polling and real-time data-fetching patterns

• Strong written and verbal English communication skills

• Prior remote work experience, be fluent with remote collaboration tools and platforms (such as Slack, Zoom, Google Workspace, Jira, Linear, or similar), and have ideally worked with US or UK-based companies. Applications without this experience will not be considered.

Preferred Qualifications

• Experience working on AI-native products
• Familiarity with modern charting and visualization libraries

• Experience contributing to design systems and scalable UI architecture

Tools & Technology

• React 19
• Next.js App Router
• TypeScript
• Tailwind CSS
• Supabase
• PostgreSQL
• OpenAI API / AI SDKs
• Cursor, Copilot, Claude Code
• Google Workspace
• Slack, Zoom, and other remote collaboration tools