Tailor Your Resume to Any Job Description.
HeyCV Opti securely analyzes your target job posting and intelligently restructures your existing experience to highlight exactly what the ATS is looking for.
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What is an AI resume optimizer?
An AI resume optimizer analyzes your existing resume alongside a target job description to restructure, rephrase, and highlight the most relevant achievements. It ensures your resume speaks the same language as the employer's ATS and hiring manager, increasing relevance without inventing new experience.
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How does ATS resume tailoring work?
ATS resume tailoring works by matching your resume's semantic content against the keywords, skills, and responsibilities listed in a job posting. The optimizer then reframes your existing bullets to surface those matches prominently, improving your resume's ranking in Applicant Tracking Systems.
Upload your resume to get started
Upload your existing resume and we'll prepare it for intelligent job-matching optimization. Opti requires a Pro plan to unlock AI-powered tailoring.
Review and Toggle Every Change
Try our interactive demo to see how Opti presents suggested changes. Toggle individual updates on and off to preview exactly how your resume gets tailored.
Targeting: Senior Full Stack Engineer
Experience
Senior Full Stack Developer
Jan 2021 - Present
TechFlow Systems
Worked on theArchitected scalable frontend components using React and Redux,to build new featuresimproving dashboard load times by 35% and enhancing data visualization forthe dashboard50k+ monthly active users.Fixed bugs in theOptimized Node.js backend performance andadded some API endpoints for theengineered secure RESTful APIs, reducing server-side latency by 20% and ensuring seamless mobile app integration.
Projects
OpenSource Contributor
2023
BuiltDeveloped apersonal finance trackerfull-stack financial analytics platform using the MERN stack,that helps people see their spendingimplementing complex data aggregation algorithms and OAuth2 authentication for secure user sessions.
Skills
Skills
JavaScript, HTML, CSS(ES6+), React/Next.js, Node.js (Express), SQLPostgreSQL, GitAWS (EC2/S3), Docker, CI/CD Pipelines.
HeyCV Opti
6 / 6 suggested changes applied
update
Worked on the frontend using React and Redux to build new features for the dashboard.
Architected scalable frontend components using React and Redux, improving dashboard load times by 35% and enhancing data visualization for 50k+ monthly active users.
Replaces passive language ('Worked on') with high-impact leadership verbs ('Architected') and adds quantifiable performance metrics to demonstrate scale.
update
Fixed bugs in the Node.js backend and added some API endpoints for the mobile app.
Optimized Node.js backend performance and engineered secure RESTful APIs, reducing server-side latency by 20% and ensuring seamless mobile app integration.
Highlights technical depth by focusing on 'optimization' and 'security' rather than just maintenance, which is essential for senior-level roles.
update
Built a personal finance tracker using MERN stack that helps people see their spending.
Developed a full-stack financial analytics platform using the MERN stack, implementing complex data aggregation algorithms and OAuth2 authentication for secure user sessions.
Reframes a standard project as a sophisticated 'analytics platform,' highlighting advanced engineering concepts like data aggregation and security protocols.
update
JavaScript, HTML, CSS, React, Node.js, SQL, Git.
JavaScript (ES6+), React/Next.js, Node.js (Express), PostgreSQL, AWS (EC2/S3), Docker, CI/CD Pipelines.
Modernizes the skill stack by specifying versions (ES6+), frameworks (Next.js), and cloud/DevOps tools (AWS, Docker) expected in a senior full-stack profile.
update
Used SQL to manage the database and make queries faster.
Refactored complex PostgreSQL queries and implemented database indexing strategies, resulting in a 40% increase in database throughput during peak hours.
Replaces general 'management' with specific 'refactoring' and 'indexing' techniques, providing a concrete metric for system efficiency.
update
Helped junior developers with their code and did code reviews.
Spearheaded technical mentorship and peer code reviews for a cross-functional team of 5, establishing best practices that reduced production bugs by 15%.
Emphasizes leadership and process improvement, shifting the narrative from 'helping' to 'spearheading' team-wide quality standards.
Built on three core truths
HeyCV Opti is engineered to be powerful, honest, and secure. Here is how it fundamentally differs from generic rewriting tools.
Truthful Alignment
We never invent experience. Opti extracts your actual achievements and reframes them to match the employer's vocabulary.
Before
Managed team of developers to build new features.
After
Led cross-functional squad to deliver scalable microservices, cutting deployment time by 40%.
Full-Resume Synchronization
Opti doesn't just rewrite one bullet; it balances your entire resume's narrative to fit the role perfectly.
Before
Skills: javascript, data analysis, machine learning
After
Skills: JavaScript (ES2023), Growth Analytics, Predictive Modeling & MLOps
Secure API Processing
Your career data is securely processed by our advanced backend optimization engine to ensure maximum ATS compatibility.
Before
Manual keyword stuffing in a Word doc.
After
Semantic restructuring powered by a secure LLM backend.