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Full Stack Engineer

A Full Stack Engineer works across the whole application, from user interface to server and database. They build frontend features, backend APIs, and the data layer that connects them, shipping complete functionality end to end. The role suits versatile engineers who enjoy owning a feature’s full journey and moving fluidly between layers.

Responsibilities

Build frontend interfaces and interactions
Develop backend APIs and business logic
Design and query databases
Ship features end to end and fix issues across the stack
Write tests across layers
Collaborate with design and product

Must-have skills

Frontend skills (JavaScript/TypeScript, React or similar)
Backend development in at least one language
Database and API fundamentals
Version control and testing
Ability to work across the full stack

Nice-to-have skills

Cloud deployment and DevOps basics
Design sensibility for UI work
Performance optimization
Experience with a full framework (Next.js, Django, Rails)

Average Salary

Typical US base salary for an HR Generalist by experience level.

Junior

0–2 yrs experience

$88,000 – $112,000
US annual salary (USD)

Intermediate

0–2 yrs experience

$112,000 – $148,000

US annual salary (USD)

Senior

0–2 yrs experience

$148,000 – $195,000

US annual salary (USD)

Figures are annual US market estimates for orientation, not offers. Actual pay varies by location, company stage, and equity.

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Frequently asked questions

What is a Full Stack Engineer?
An engineer comfortable building both the frontend and backend of an application, plus the database layer that connects them.
Is full stack better than specializing?
It depends on your goals. Full stack offers breadth and flexibility, especially at smaller companies; specializing offers depth valued at larger ones.
What tech stack do full stack engineers use?
A common example is React on the frontend with Node.js, Python, or similar on the backend, plus a SQL or NoSQL database, but stacks vary widely.
Can beginners become full stack engineers?
Yes, though it takes time to build competence across many areas. Many start by focusing on one side first, then expand.

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