All skills / Web Development
Hire a Freelance Back-End Developer
Back-end developers build the part users never see and always feel: APIs, data models, authentication, background jobs, and integrations. Hire one when the problem is correctness, scale, or security rather than appearance.
What a freelance Back-End Developer actually does
These are the engagements that come up most often. If your project does not resemble any of them, say so explicitly in your brief — it usually means you need an adjacent skill instead.
- Design and build REST or GraphQL APIs with versioning and documentation
- Model relational schemas and write migrations that do not lock production tables
- Implement authentication, roles, permissions, and audit trails
- Integrate payment providers, email services, and third-party APIs with retry logic
- Diagnose slow queries, add indexes, and introduce caching where it actually helps
What it costs in 2026
Hourly ranges seen across global freelance marketplaces. Use them to sanity-check a quote rather than as a target — a well-specified project frequently costs less at a higher hourly rate than a vague one does at a lower rate.
Entry level
$22/hr
Building experience. Good value on well-defined, low-risk work with review.
Mid level
$48/hr
Can own a feature end to end and will tell you when your plan is wrong.
Specialist
$100/hr
Deep experience, architecture decisions, and work where mistakes are expensive.
Fixed-price quotes are usually the better structure for work you can describe precisely. Hourly is safer when the scope will genuinely change as you learn — but agree a cap in writing either way.
Tools and technologies to expect
You do not need to understand these. You do need to see them appear naturally in a candidate's answers rather than only in their profile keywords.
Before you hire: a short checklist
Most bad freelance outcomes are decided before any work starts. These four checks catch the majority of them.
- 1 Ask to see a schema they designed and have them defend two of the decisions.
- 2 Check how they handle secrets, input validation, and rate limiting — not as a topic, as habit.
- 3 Confirm they write migrations rather than editing databases by hand.
- 4 Ask what monitoring they add before considering something shipped.
Questions worth asking in the interview
You are not testing whether you can follow the answer. You are testing whether the answer is specific, whether it comes from experience, and whether they are comfortable saying "it depends" and explaining on what.
“How would you approach an endpoint that is fast in staging and slow in production?”
“Where do you draw the line between doing work in a request and queueing it?”
“How do you version an API that already has clients depending on it?”
“What is your rollback plan when a migration goes wrong at 2am?”
Warning signs
None of these are automatically disqualifying, but each one deserves a direct question before you commit money.
- Stores passwords or tokens in plain text anywhere
- No experience with a database beyond the ORM
- Cannot describe how they would debug something they cannot reproduce locally
Web Development services available now
Listings currently published in this category on AMFreelance.
Frequently asked questions
What should I prepare before hiring a back-end developer?
Two things save the most money: a written list of the operations your product must support, and read access to whatever exists today. Most wasted budget in back-end contracts is spent discovering requirements that were already known internally.
How do I know the code is good if I cannot read it?
Ask for three things a non-engineer can verify: tests that run and pass, an API document you can read, and a deployment someone else could repeat. All three are visible without reading a line of logic.
What does a typical API project cost?
A CRUD API with authentication over a well-understood domain is often $3,000–10,000. Payments, third-party integrations, and background processing each push the range up.
Related skills
Projects described as needing a Back-End Developer often turn out to need one of these instead, or as well.
Ready to start?
Browse published services with visible scope and pricing, or describe your project once and let freelancers come to you.