Senior Frontend Engineer

DraftKings Inc.

. Design and develop performant, scalable frontend systems for real-time, high-traffic applications .

Posted 11/6/2026full-timeRemote • BulgariaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and developing scalable frontend systems using frameworks like React, Vue, or Angular, while ensuring code quality, performance, and accessibility. Proven ability to mentor junior engineers and lead technical discussions to drive continuous improvement and user impact.

Highest-signal resume keywords

Frontend Application DevelopmentJavaScript ProficiencyReact Framework ExperiencePerformance OptimizationMentorship and Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

HTMLCSSObject-Oriented ProgrammingSoftware Design PrinciplesData StructuresAlgorithmsFrontend Test SuitesUnit TestingIntegration TestingEnd-to-End Testing

Soft Skills

Problem-SolvingData-Informed Decision MakingCollaborationCommunication

Tools & Technologies

Design SystemsFrontend InfrastructurePerformance Monitoring Tools

Industry Keywords

Real-Time ApplicationsHigh-Traffic ApplicationsCross-Platform StabilityAccessibility Standards

Tech Stack

Tools & technologies

AngularJavaScriptReactVue.js

About the role

Key responsibilities & impact

Design and develop performant, scalable frontend systems for real-time, high-traffic applications
Own core frontend architecture and implement best practices in code quality, performance, and accessibility
Ship production-grade code that enhances user flows, improves speed, and strengthens cross-platform stability
Lead design and code reviews, mentor junior engineers, and promote technical excellence
Collaborate across teams to translate business needs into intuitive, impactful features
Drive improvements in design systems, tooling, and frontend infrastructure
Investigate and resolve complex bugs and performance bottlenecks across browsers and devices

Requirements

What you’ll need

At least 3 years of professional experience building modern frontend applications using frameworks such as React, Vue, or Angular
Strong expertise in JavaScript, HTML, and CSS, with deep knowledge of browser behaviors and rendering performance
Solid understanding of object-oriented programming, software design principles, and data structures and algorithms
Proven experience delivering performant, responsive, and accessible interfaces at scale
Proficiency in writing and maintaining frontend test suites, including unit, integration, and end-to-end tests
Experience mentoring teammates and leading technical discussions
Ability to break down complex problems, make data-informed decisions, and thrive in a fast-paced environment
Mindset focused on user impact, maintainability, and continuous improvement
Good level of verbal and written English for clear communication within a global team