Resumes show claims. We show proof. Front-End Engineers assessed on Core Web Vitals optimization, server-side rendering architecture, and semantic accessibility implementation — so you interview candidates, not question marks.
No credit card required.
Talent Marketplaces give you a resume. We give you the source code.
Candidate A
Software Engineer
Self Reported
2024
Experience
5 years React / Frontend Development
No portfolio links
Previous Roles
X-Corp
Tech Solutions Inc.
Education
B.S. Computer Science — State University
• UNVERIFIED CLAIM
Verified ProofedVerified Engineer
ConnectDevs Intelligence Dossier
SAM TECH SCORE
98/100
CODE QUALITY
A+
TECHNICAL INTERVIEW HIGHLIGHTS
Play Recorded Proof
const solveHardProblem = (data) => {
return data.reduce((acc, val) => {
// Verified optimal O(n) solution
return { ...acc, [val.id]: val.performance };
}, {});
};DECISION-READY DATA
You set the criteria. Scout ranked the matches. Now choose who's worth your time.
7 Years
89%
Match Score
FinTech Global
Georgia Institute of Technology
B.S. Computer Science
2012 - 2016
Alex Mercer
Senior Mobile Engineer
2021 – Present
7 Years
89%
Match Score
FinTech Global
Georgia Institute of Technology
B.S. Computer Science
2012 - 2016
Sarah Chen
Senior Mobile Engineer
2021 – Present
7 Years
89%
Match Score
FinTech Global
Georgia Institute of Technology
B.S. Computer Science
2012 - 2016
David Rodriguez
Senior Mobile Engineer
2021 – Present
We analyze thousands of placements to give you real-time salary data for every experience level.
Role: Junior Front-End Engineer
0-2 Years
Entry-level profile with a strong foundation in React component architecture, CSS layout systems, and responsive design principles.
REQUIREMENTS
Degree in Computer Science or equivalent practical training.
Hands-on experience building React applications with hooks and component composition.
Understanding of CSS Grid, Flexbox, and mobile-first responsive design.
Junior Developer Hourly Rate
Average Yearly Salary ~$95k /yr
Market
Signal
Steady Demand
Junior front-end roles remain consistent as companies prioritize user experience across digital products.
Role: Mid Front-End Engineer
3-5 Years
Mid-level profile with proven expertise in Next.js, performance optimization, and design system implementation.
REQUIREMENTS
Degree in Computer Science or equivalent practical training.
Demonstrated ability to optimize Core Web Vitals through code splitting and critical path rendering.
Experience building and maintaining component libraries with consistent design tokens.
Mid Developer Hourly Rate
Average Yearly Salary ~$155k /yr
Market
Signal
Performance Focus
Mid-level engineers with Core Web Vitals and SSR expertise are commanding premium rates as performance becomes a ranking factor.
Role: Senior Front-End Engineer
6+ Years
Senior profile with deep mastery of rendering strategies, accessibility architecture, and front-end platform design.
REQUIREMENTS
Degree in Computer Science or equivalent practical training.
Proven track record architecting front-end platforms serving millions of users with sub-second load times.
Experience leading accessibility compliance initiatives meeting WCAG 2.1 AA standards.
Senior Developer Hourly Rate
Average Yearly Salary ~$210k /yr
Market
Signal
Platform Architects
Senior front-end architects with accessibility and performance leadership experience are highly sought after.
Traditional agencies take weeks. Our Intelligence Engine runs in parallel to deliver decision-ready profiles in real-time.
Hour 0
Signal Ingestion
You define the stack. Scout maps intent signals across 550M+ profiles.
Hours 2–24
Parallel Processing
Scout scans candidate profiles while Pilot launches multi-channel outreach. The system works asynchronously while you sleep.
Scout
Mass Ingestion
Parsing your role. Scanning 800M+ engineers. Surfacing matches—live results.
Pilot
Engagement
Sending interview invites. Tracking responses. Moving candidates to SAM—pipeline
SAM
Validation
Conducting interviews. Evaluating skills. Compiling decision-ready report now
const score = validate(dev);
if (score > 0.92) dispatch(shortlist);
Hour 48
You Receive Your Shortlist
3 Decision-Ready Profiles delivered to your dashboard.
STATUS: READY
Intelligent Shortlist
Candidates Found
1,204
Validated Skills
Front-End, Node, Go
Top Matches
03
Marketplaces show you profiles. We show you capability.
The Problem
When you browse a talent marketplace, you are guessing. You see a resume that claims '5 Years React,' but you don't know:
Can they diagnose a slow LCP and fix it without breaking functionality, or do they just add lazy loading everywhere?
Have they architected SSR and ISR strategies for production scale, or only used default Next.js settings?
Is their accessibility work semantic HTML and proper ARIA, or just passing automated audits?
The Solution
ConnectDevs removes the guesswork. We don't just send profiles; we send Structured Intelligence. Every candidate is interviewed by SAM against the specific Front-End challenges you care about. You don't guess if they are good. You know.
Unverified Claim
Front-End Developer
5 Years Experience
Verified Proof
CODE CHALLENGE
Solve a problem using algorithms
SAM INTERVIEW
Discuss alternative approaches and their trade-offs
TECH SCORE
98/100 Algorithm Score
GITHUB AUDIT
Active Open Source Contributor
For Front-End Engineers, we specifically test for Core Web Vitals optimization, server-side rendering architecture, and semantic accessibility implementation. You get the raw data before you even interview.
Agencies charge a markup every hour. We charge a flat platform fee. You keep the savings.
Number of developers
3 Devs
1
10
Role seniority
Base Salary: $120,000
Includes 35%
Zero Markup
Estimated Yearly Savings
If SAM doesn't surface interview-ready candidates your LinkedIn search missed—you pay nothing.
FLEXIBLE
0%
Zero Markup
We don't inflate developer rates or take recruitment fees.
Cancel Anytime
No lock-ins. No notice required. Keep your data.
Average time-to-shortlist
Global Talent Network
Teams hiring front-end engineers typically need expertise across the full client-side stack, from bundling to design systems.
RELATED STACK
Everything you need to know about sourcing, assessing, and hiring top Front-End Engineers through our platform.
SAM's technical interview presents candidates with LCP, FID, and CLS scenarios and asks them to diagnose bottlenecks, implement code splitting, and optimize critical rendering paths. You receive a scored report showing their performance engineering depth.
Senior front-end engineers command average salaries around $210,000 annually in top markets. Traditional agencies extract 20-30% in placement fees. ConnectDevs operates on a flat subscription starting at $69/mo with zero markup on candidate compensation.
The Scout agent searches 800M+ public profiles for signals like Next.js contributions, performance optimization work, and accessibility expertise. This delivers a targeted shortlist in days rather than the weeks typical of manual sourcing.
React dominates enterprise adoption, but engineers with strong JavaScript fundamentals adapt faster to framework shifts. SAM evaluates both framework proficiency and underlying DOM and rendering knowledge to ensure long-term value.
SAM presents scenarios involving screen reader navigation, keyboard-only interaction, and ARIA implementation. Candidates must demonstrate semantic HTML decisions and assistive technology compatibility. The evaluation report scores their a11y maturity.
Every ConnectDevs engagement provides raw assessment data upfront, including competency scores on performance and accessibility. Audit the technical depth before you invest interview time to minimize the risk of hiring someone who creates technical debt.