Fullstack Engineer: Build Dev Tools & Feature Releases

Feedinkoo; United States; On-site; USD 142,000 - 180,000; Full time

Benefits offered by this job

Health insurance

Vision insurance

Dental insurance

Mental health benefits

Restricted Stock Units (RSUs)

Job summary

LaunchDarkly is seeking an experienced Fullstack Engineer to join our Feature Management team. You’ll design and build developer-first tooling that empowers teams to control feature releases across the lifecycle.

You’ll collaborate with product managers, UX designers, and engineers to define requirements and deliver high‑quality, maintainable code, while participating in architecture reviews and supporting production systems as needed.

Qualifications

• 5+ years of hands-on experience building full-stack web applications. Familiarity with Typescript, React, Node, and Go is preferred but not required.
• 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 in a fast-paced iterative environment.
• Write code that can be easily understood by others, with an eye towards maintainability.
• Hold yourself and others to a high bar when working with production systems.
• Value high code quality, automated testing, and other engineering best practices.
• Strong collaboration, communication, and problem-solving skills; committed to continuous learning about emerging technologies and mobile best practices.
• Experience utilizing AI tooling to enhance daily engineering efficiency.

Responsibilities

• Design and implement developer-first tooling such as MCP servers and browser toolbars.
• Deeply understand developer workflows so that you can streamline developer experiences. Directly influence the developer roadmap and experiential details by representing the voice of the developer.
• Collaborate cross-functionally with product managers, UX designers, and engineers to create cohesive, end-to-end developer experiences.
• Participate actively in architecture planning, code reviews, and mentoring peers in full-stack best practices.
• As part of our you-build-it-you-run-it culture, all developers may be responsible for supporting applications in production, including on-call.

Skills

Full-stack development

Typescript

React

Node.js

Go

Ownership

Collaboration

Job description

LaunchDarkly is seeking an experienced Fullstack Engineer to join our Feature Management team. You’ll design and build developer-first tooling that empowers teams to control feature releases across the lifecycle.

You’ll collaborate with product managers, UX designers, and engineers to define requirements and deliver high‑quality, maintainable code, while participating in architecture reviews and supporting production systems as needed.