Senior Software Engineer

Sunrun

. Implement features for all customer-facing applications at Sunrun .

Posted 10/6/2026full-timeUnited StatesSenior💰 $173,416 - $208,099 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in JavaScript application development, including strong skills in HTML5, CSS3, and automated testing frameworks. Proven ability to lead technology transformations and mentor teams while establishing standards for technical excellence.

Highest-signal resume keywords

JavaScript Application DevelopmentSaaS Application DesignAutomated Testing with Mocha, Chai, SinonPerformance OptimizationAmazon Web Services (AWS)

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

JavaScriptHTML5CSS3MochaChaiSinonReactReduxGitMVC Architecture

Soft Skills

Excellent CommunicationMentorshipTeam Collaboration

Tools & Technologies

WebpackGulpGruntNPMCloudFront

Certifications & Qualifications

BS/MS in Computer Science or Equivalent

Industry Keywords

Serverless TechnologyContinuous IntegrationContinuous DeploymentTechnical Excellence Standards

Tech Stack

Tools & technologies

AWSChaiFluxJavaScriptMochaReactReduxWebpack

About the role

Key responsibilities & impact

Implement features for all customer-facing applications at Sunrun
Lead transformation of large portions of the technology stack to serverless
Establish standards for technical excellence
Collaborate with Product Management and UX designers to develop easily testable, high-performing applications
Champion best-practice development methodologies
Facilitate automated testing so teams can innovate rapidly
Mentor and build team skills through standards setting, code reviews, and pairing

Requirements

What you’ll need

Minimum of 5 years of experience developing complex enterprise applications with JavaScript
BS/MS in CS or equivalent is preferred
Breadth and depth in SaaS application design and implementation
Excellent communication skills
Strong JavaScript application development of browser applications
Strong knowledge of HTML5, DOM, markup, browser APIs, and CSS3
Strong skills writing unit and integration tests in JavaScript using Mocha, Chai, and Sinon
Experience with React and Flux is a plus
Knowledge of Redux as a Flux framework
Ability to work with JavaScript build/task runners such as Webpack, Gulp, Grunt, and NPM run scripts
Strong knowledge of Git, version control, branching strategies, merging, and rebasing
Performance optimization experience including browser page rendering, network traffic, and back-end system tuning
Solid understanding of MVC architecture and frameworks
Strong focus on automation and continuous integration/deployment
Familiarity with Amazon Web Services, S3, and CloudFront
Bias toward mentorship and skill-building
Good team player

Benefits

Comp & perks

Employee development opportunities
Well-being and safety-focused culture
Remote work arrangement
Team-building, training, and collaborative project work
Equipment pickup from a local branch with advance notice for required on-site attendance