Software Development Engineer III – React

Jobtailor; Town of Florida (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Jobtailor is seeking an experienced Front-End Engineer to build scalable, performant applications using React, Next.js on AWS. You will own features end-to-end, including planning, implementation, testing, deployment, and monitoring.

Collaborating with cross-functional teams, you will optimize performance, shape architecture, and mentor engineers while ensuring browser compatibility and production reliability.

Qualifications

• 5+ years of professional front-end development experience.
• Broad knowledge across backend, infrastructure, and databases.
• Bachelor's degree in CS/SE or equivalent experience.
• Deep proficiency in React and JavaScript/TypeScript.
• Strong understanding of component architecture, state management and performance optimization.
• Hands-on experience with Next.js and AWS.
• Ability to lead code reviews and mentor engineers.
• Ability to articulate technical trade-offs to stakeholders.
• Experience optimizing front-end systems for performance and scale.
• Ability to deliver features end-to-end.

Responsibilities

• Build scalable, performant front-end applications using React and Next.js on AWS.
• Make decisions about component architecture, state management, performance optimization, and browser compatibility.
• Own features from conception through production, including building, testing, deployment, and monitoring.
• Ensure front-end system stability and performance through monitoring, debugging, and resolving production issues.
• Improve build times, bundle size, and runtime performance.
• Collaborate with backend and infrastructure teams across the full stack.
• Maintain technical documentation on architectural patterns, decisions, and system behavior.
• Lead code reviews and mentor engineers.

Skills

React

JavaScript

TypeScript

Next.js

AWS

Component Architecture

State Management

Performance Optimization

End-to-End Delivery

Code Review

Mentoring

Documentation

Education

Bachelor's Degree in Computer Science

Bachelor's Degree in Software Engineering

Tools

Next.js

AWS

React

TypeScript

Job description

• Build scalable, performant front-end applications using React and Next.js on AWS
• Make decisions about component architecture, state management, performance optimization, and browser compatibility
• Participate in planning meetings to understand product goals and user needs
• Shape and verify technical requirements, identifying risks and trade-offs
• Own features from conception through production, including building, testing, deployment, and monitoring
• Ensure front-end system stability and performance through monitoring, debugging, and resolving production issues
• Improve build times, bundle size, and runtime performance
• Collaborate with backend and infrastructure teams across the full stack
• Maintain technical documentation on architectural patterns, decisions, and system behavior
• Lead code reviews and mentor engineers

Requirements

• 5+ years of professional front-end development experience
• Broad technical knowledge across backend, infrastructure, and databases
• Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent professional experience
• Deep proficiency in React and JavaScript/TypeScript
• Strong understanding of component architecture, state management, performance optimization, and modern front-end patterns
• Hands-on experience with Next.js and AWS
• Ability to lead code reviews and mentor engineers
• Ability to articulate technical trade-offs to technical and non-technical stakeholders
• Experience optimizing front-end systems for performance and scale
• Ability to write high-quality code and deliver features end-to-end
• Ability to design scalable front-end systems and identify technical debt and performance bottlenecks
• Comfort with cross-functional collaboration and making sound decisions under ambiguity
• Breadth across the full technology stack and comfort with diverse technologies

Core Competencies

Demonstrates deep proficiency in React and JavaScript/TypeScript, with hands-on experience in Next.js and AWS. Capable of leading code reviews, mentoring engineers, and optimizing front-end systems for performance and scalability.

Highest-signal resume keywords

• React Development
• Next.js Framework
• AWS Deployment
• Performance Optimization
• Code Review Leadership

Hard Skills

• JavaScript
• TypeScript
• Component Architecture
• State Management
• Front-End Patterns
• Performance Optimization
• Technical Documentation
• Debugging
• End-to-End Feature Delivery
• Technical Trade-Offs

Soft Skills

• Cross-Functional Collaboration
• Mentoring
• Decision-Making Under Ambiguity

Certifications & Qualifications

• Bachelor's Degree in Computer Science
• Bachelor's Degree in Software Engineering

Industry Keywords

• Front-End Development
• Scalable Applications
• System Stability
• Production Monitoring
• Technical Debt