Senior Full Stack Engineer

LaunchDarkly

. Lead the design and delivery of large or ambiguous end-to-end initiatives across frontend and backend systems .

Posted 9/30/2026full-timeRemote • United StatesSenior💰 $163,000 - $224,070 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in leading complex projects across frontend and backend systems, with a strong focus on TypeScript, React, Go, and Python. Capable of translating customer needs into technical designs while ensuring high standards of usability, performance, and security.

Highest-signal resume keywords

TypeScript DevelopmentReact Framework ExpertiseAPI Design and OperationGo or Python ProficiencyProject Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Frontend DevelopmentBackend DevelopmentAPI DesignService ArchitectureData Store ManagementAsynchronous SystemsTechnical DesignIncremental Delivery PlanningObservability ImprovementIncident Response

Soft Skills

Clear CommunicationInclusive Decision-MakingMentoringTeam CollaborationProduct Instincts

Industry Keywords

Web ApplicationsUser ExperienceAccessibilityPerformanceReliabilitySecurityMaintainabilityCross-Functional CollaborationTechnical DirectionOperational Support

Tech Stack

Tools & technologies

PythonReactRustTypeScriptGo

About the role

Key responsibilities & impact

Lead the design and delivery of large or ambiguous end-to-end initiatives across frontend and backend systems
Develop customer-facing product experiences with TypeScript and React, plus services and APIs using Go, Python, or comparable tools
Translate customer problems and product goals into technical designs, tradeoffs, and incremental delivery plans
Own work from discovery and design through implementation, launch, measurement, operational support, and iteration
Partner with Product, Design, Data, Staff Engineers, Engineering Managers, and adjacent teams
Balance usability, accessibility, performance, reliability, security, cost, and time to value
Establish patterns and practices that improve consistency, maintainability, developer experience, and quality
Improve observability and operational health and participate in incident response when needed
Influence architecture and technical direction through design documents, code reviews, and technical discussions
Mentor engineers and help teammates grow their technical judgment and product instincts
Represent customer needs and production realities in cross-functional decisions and connect technical work to measurable outcomes

Requirements

What you’ll need

7+ years of experience building and operating production web applications
Demonstrated ability to lead complex projects across frontend and backend layers, including ambiguous requirements or cross-team dependencies
Strong experience with a modern frontend framework such as React and a typed language such as TypeScript, or equivalent experience
Strong backend experience designing or operating APIs, services, data stores, or asynchronous systems in a production environment
Experience with Go, Python, Rust, or an equivalent backend language; most teams use Go
Sound judgment across architecture, user experience, accessibility, performance, reliability, security, and maintainability tradeoffs
Strong product instincts and ability to connect technical decisions to customer outcomes and business goals
Ability to create alignment through clear communication and inclusive decision-making
Experience mentoring engineers, improving team practices, and raising technical execution quality
Strong ownership of the full lifecycle of systems and experiences
Comfort learning unfamiliar systems and navigating changing priorities
Must be based in the United States

Benefits

Comp & perks

Restricted Stock Units (RSUs)
Health insurance
Vision insurance
Dental insurance
Mental health benefits
Equal opportunity employer
Disability accommodations available