Bottom left hero backgroundTop right hero background

Best freelance Fullstack Engineers in United States to hire in 2025

Looking to hire Fullstack Engineers in United States for your next project? Browse the world’s best freelance Fullstack Engineers in United States on Contra.

Trusted by 50K+ teams from creative agencies to high growth tech companies

Logo for Wix StudioLogo for RiveLogo for WebstudioLogo for GlorifyLogo for JitterLogo for FlutterFlowLogo for PeachWebLogo for CanvaLogo for Lottie FilesLogo for Workshop BuiltLogo for BuildshipLogo for AppsumoLogo for FramerLogo for BarrelLogo for BubbleLogo for LummiLogo for WebflowLogo for GrayscaleLogo for Stride UXLogo for InstantLogo for SplineLogo for KittlLogo for RelumeLogo for HeyGenLogo for Replo
Logo for Wix StudioLogo for RiveLogo for WebstudioLogo for GlorifyLogo for JitterLogo for FlutterFlowLogo for PeachWebLogo for CanvaLogo for Lottie FilesLogo for Workshop BuiltLogo for BuildshipLogo for AppsumoLogo for FramerLogo for BarrelLogo for BubbleLogo for LummiLogo for WebflowLogo for GrayscaleLogo for Stride UXLogo for InstantLogo for SplineLogo for KittlLogo for RelumeLogo for HeyGenLogo for Replo
FAQs

How do I clearly define the scope of my project when hiring a freelance fullstack engineer?

Start by writing down what you need your project to do. List out the features and functions it should have. Make sure to include all the important details. This will help the engineer know exactly what you expect. Clear goals make it easier to find the right person for your job.

What is the best way to set deadlines for a freelance fullstack project?

First, decide when you need the project completed. Break the project down into smaller parts. Set realistic deadlines for each part. Make sure to check in regularly with your engineer. This helps keep the project on track and makes changes easier to handle.

How can I ensure the freelance fullstack engineer understands my vision?

Communicate your project ideas clearly. Use visuals like sketches or diagrams if possible. Have a conversation about your goals and expectations. Ask the engineer to repeat back what they understand. This helps make sure both of you are on the same page.

What should I do to make onboarding smooth for a freelance fullstack engineer?

Prepare all necessary documents and tools the engineer will need. Introduce them to your team if applicable. Clear communication channels are important. Make sure they have access to any software or platforms they'll be using. This helps them start working quickly and efficiently.

How do I communicate effectively with a freelance fullstack engineer during the project?

Set up regular check-ins to discuss progress. Use tools like email, chat, or video calls. Be open to any questions or suggestions they might have. Encourage feedback to make sure everything is going well. Good communication helps avoid misunderstandings.

What criteria should I use to evaluate the portfolio of a freelance fullstack engineer?

Look for projects similar to yours in their portfolio. Check if they've worked with other clients in the United States, if that's important for your project. Consider their experience with different technologies. Evaluate the quality and complexity of their previous work. This helps you know if they have the right skills for your project.

How do I ensure the freelance fullstack engineer agrees with the deliverables?

List the deliverables clearly and in detail. Discuss each deliverable with the engineer. Make any necessary adjustments based on their feedback. Have the engineer confirm they understand and agree. Clear deliverables reduce confusion later on.

What is the importance of a contract when hiring a freelance fullstack engineer?

A contract protects both you and the engineer. It clearly outlines expectations and responsibilities. It includes important details like deliverables, timelines, and payment terms. A well-written contract helps prevent disagreements and ensures everyone knows what's expected. It's an important step before starting any project.

How do I determine the best tools for a freelance fullstack engineer to use for my project?

Consider the technology stack you want for the project. Discuss with the engineer if they have preferences or recommendations. Make sure the tools are suitable for your project's needs. Look for tools that are popular and widely used, especially in the United States, to ensure support is available. The right tools make development smoother and more efficient.

Who is Contra for?

Contra is designed for both freelancers (referred to as "independents") and clients. Freelancers can showcase their work, connect with clients, and manage projects commission-free. Clients can discover and hire top freelance talent for their projects.

What is the vision of Contra?

Contra aims to revolutionize the world of work by providing an all-in-one platform that empowers freelancers and clients to connect and collaborate seamlessly, eliminating traditional barriers and commission fees.

Profile avatar
Christine Straub
PROIrvine, USA
$50k+
Earned
2x
Hired
5.0
Rating
18
Followers
Cover image for Software Engineer with AI/ML experience
$71K+ earned
Cover image for Investment Memo Generator Development
Cover image for Creative intelligence & optimisation platform | Dragonfly AI
Cover image for EMR | EHRHealthcare Application ( HIPAA Compliant )
Profile avatar
Nikol Hayes
PROSan Francisco, USA
$10k+
Earned
20x
Hired
5.0
Rating
24
Followers
TOP_INDEPENDENT

Top

Cover image for Hawaiian Electrician Identity: Branding + AI Receptionist
Cover image for Skye 0.0 - Holographic AI Assistant
Cover image for ZK Records - AI-Generated Album & Music Label
Cover image for AriaLeaf AI - AI Voice Agent Platform for Dispensaries
Profile avatar
Matt Bierman
New York, USA
$50k+
Earned
13x
Hired
5.0
Rating
15
Followers
TOP_INDEPENDENT

Top

Cover image for Contra.com | Web Development
$5.2K+ earned
Cover image for The 2022 Podcast Trends Report by SiriusXM | Web Development
Cover image for Portfolio Website (2024) | Web Development + UI Design
Cover image for REZA | Web Development
Profile avatar
Leon Li
PROKaty, USA
$100k+
Earned
39x
Hired
5.0
Rating
46
Followers
TOP_INDEPENDENT

Top

Cover image for Monarch Money | Frontend & CMS
Cover image for Telnyx | Frontend
Cover image for Connecteam | Mobile & Backend
Cover image for Inflight Figma Plugin | Full Stack & Plugin Development
Profile avatar
James Musser
PROPittsburgh, USA
$25k+
Earned
18x
Hired
5.0
Rating
6
Followers
Cover image for NextJS Stock Market Website | Full Stack Web Development
Cover image for Python Web Scraper | Automation, Backend
Cover image for Professional Musician Website | Full Stack Web Development
Cover image for JamesBot | Automation

People also hire

Explore projects by Fullstack Engineers in United States on Contra

Cover image for The Compliance Space
0
58
Cover image for Creative intelligence & optimisation platform | Dragonfly AI
0
242
Cover image for Figma Website
10
1.4K
Cover image for Quartile - Fullstack Web App Development
1
49
Cover image for Quartile - Full Stack Mobile Development
1
31
Cover image for Crypto Luminary Web App
0
81
Cover image for Cinespace | Web Development
0
19
Cover image for Spotlight | Web Development
0
68
Cover image for Cast It Reach | Web Development
0
15
Cover image for elysewalker | Web Development
0
14
Cover image for REZA | Web Development
0
101
Cover image for Full-Stack Django eCommerce Web Application
0
33
Cover image for Dietactics Website Development
0
15
Cover image for Diabetes Prediction Using Machine Learning
2
50
Cover image for Well Aliments Website Make-Over
0
17
Cover image for CoreXponent Website Make-Over
0
9
Cover image for Rollin' Boat Website Development
0
24
Cover image for MERN Social Blog: React Flowbite with Redux, Dark/Light Modes
0
10
Cover image for MERN Real Estate Marketplace: Google OAuth, Firebase Storage
0
29
Cover image for E-Commerce App with Admin Dashboard & CMS | Next 14, Stripe
0
34
Cover image for Chatbot starter with GPT3, Twilio, and React
0
31
Cover image for Analyzing Urban Environments through Satellite Imagery
0
22
Cover image for Computerized Adaptive Exam Platform
0
53
Cover image for Brandblast AI
0
79
Cover image for BYP100 Platform Development
0
8
Cover image for EMR | EHRHealthcare Application ( HIPAA Compliant )
0
159
Cover image for Sapiens Web3 Encryption App
0
42
Cover image for Professional Musician Website | Full Stack Web Development
0
10
Cover image for Business Website | Full Stack Web Development
0
11
Cover image for Brand Pro - AI Branding Platform
0
64
Cover image for SociEATy | Full Stack
4
119
Cover image for NextJS Stock Market Website | Full Stack Web Development
0
57
Cover image for Tintype Platform Development
0
30
Cover image for TrueCar | Full Stack
4
138
Cover image for Chic Sneak Shopify Custom Storefront Development
0
7
Cover image for Make the jump to web3
2
10
Cover image for HipCamp - Campsite Booking
0
14
Cover image for Abstract Identity: AI PFP Generator
0
9
Cover image for Elysian DAO DeFi App
0
12
Cover image for Bespoke Punks NFT Platform
0
18
Cover image for Abstract AI Chat: Learn Blockchain with Interactive AI & Docs
2
34
Cover image for Beanstalk Protocol
0
6
Cover image for FANTOM: $FTM is migrating to $S
1
34
Cover image for Venue Report Card | Lead Designer & Full-Stack Developer
2
46
Cover image for Local Events and Deals App Using Next.js 15, Mapbox, and Prisma
0
6
Cover image for End-to-End Trading CRM/WebApp Solution & Business Growth
8
21
Cover image for Inflight Figma Plugin | Full Stack & Plugin Development
3
59
Cover image for Advice | Mobile & Full Stack
2
26

Top services from Fullstack Engineers in United States on Contra

Fullstack Engineers in United States near you

Cover image for Custom LMS Built with Ruby on Rails and React
0
2
Cover image for Reelshot — Video Editor App with Smart Camera
0
11
Cover image for Dashboard App - Framer - Custom Development
0
1
Cover image for Chrome extension for SAAS company
0
1
Cover image for JobQuest - A Job Application Tracker
0
0
Cover image for NoteFury: Guitar Note Learning App
11
131

Join 50k+ companies and 1M+ independents

Contra Logo

© 2025 Contra.Work Inc