Full Stack Engineer

LaunchDarkly

Full Stack Engineer building critical systems for customer interaction and AI evaluation at LaunchDarkly. Collaborating with engineering teams and engaging in architecture discussions for scalable solutions.

Posted 5/27/2026full-timeRemote • California • 🇺🇸 United StatesMid-LevelSenior💰 $145,500 - $235,400 per yearWebsite

Tech Stack

Tools & technologies

Distributed Systems

About the role

Key responsibilities & impact

Build and maintain scalable backend services and APIs that power the AI Configs product
Collaborate with internal stakeholders to understand real-world challenges and improve GenAI workflows
Continuously optimize the performance, reliability, and scalability of our systems
Participate in architecture and design discussions
Keep up-to-date with the latest developments in the AI field and software development best practices
Take ownership of code in production, participate in on-call rotations

Requirements

What you’ll need

5+ years of professional software engineering experience
Hands-on experience building GenAI features, Agents, and/or working with Large Language Models (LLMs)
Understanding of prompt engineering, fine-tuning models, or deploying AI services in production environments
Experience with designing, implementing, and maintaining RESTful APIs
Experience writing production-ready code with emphasis on quality and maintainability
Experience with distributed systems or data ingestion
Strong computer science fundamentals
Committed to working in a communicative, collaborative environment
Comfortable navigating ambiguous challenges in a rapidly evolving domain
Strong sense of ownership and accountability for delivering impactful solutions
Proven ability to work closely with Product and Design teams to define requirements for new features

Benefits

Comp & perks

Restricted Stock Units (RSUs)
health, vision, and dental insurance
mental health benefits

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

backend servicesAPIsGenAI featuresLarge Language Modelsprompt engineeringfine-tuning modelsRESTful APIsproduction-ready codedistributed systemsdata ingestion

Soft Skills

collaborative environmentownershipaccountabilitycommunicationproblem-solvingadaptability