Freelance Projects

A collection of end-to-end products I've built for clients — from AI-powered platforms to marketing websites. Each project showcases my ability to deliver complete solutions from concept to deployment.

Hirrings

AI-Powered Recruitment Platform

hirrings.com

Hirrings is an AI-driven hiring platform that helps companies match candidates to open roles and manage their hiring pipeline at scale. I built the platform end-to-end, from frontend UX to backend workflow automation and integrations.

Next.jsReactTypeScriptNode.jsPostgreSQLOpenAI APITailwind CSS
Role

Full-Stack Developer

My Responsibilities
  • Led full-stack development of the marketing site and core product experience, starting from a blank repo.
  • Designed and implemented the data models for jobs, candidates, applications, and AI matches.
  • Integrated AI services to power intelligent candidate–job matching and skill analysis.
  • Built automated application tracking flows so recruiters can receive pre-screened applicants directly in their inbox.
  • Implemented responsive, SEO-friendly pages for employer branding and candidate acquisition.
Key Features I Built
  • AI-powered candidate matching that ranks and recommends the best-fit applicants for each role based on skills, experience, and preferences.
  • Intelligent skill analysis that evaluates applicant profiles and surfaces the most relevant capabilities for a given JD.
  • Automated application tracking with dashboards and email workflows to streamline screening and follow-ups.
  • Free job posting flow where employers can publish roles and receive candidates without manual intervention.
  • High-conversion landing pages showcasing 500K+ openings, 128+ active MNC jobs, and trusted employers.
Business Impact
  • Enabled Hirrings to position itself as an AI hiring copilot for both candidates and recruiters, not just another job board.
  • Reduced manual screening time for HR teams by automating matching, skill analysis, and tracking updates.

ZEP Resume

AI Job Application Copilot

zepresume.com

ZEP Resume is a suite of AI tools that helps job seekers create stronger applications, optimize resumes for ATS, and prepare for interviews. I was responsible for architecting and developing the platform from scratch.

Next.jsReactTypeScriptNode.jsSupabaseOpenAI APIStripe
Role

Full-Stack Developer

My Responsibilities
  • Designed the overall system architecture for resume, cover letter, and interview tooling.
  • Implemented the web app UI, authentication, and subscription/paywall flows (Free, Pro, Business).
  • Integrated AI models to generate and score resumes, cover letters, and interview questions.
  • Built analytics and scoring pipelines to give users granular feedback on resume quality and interview readiness.
Key Features I Built
  • AI cover letter generator that tailors letters to each job description and highlights relevant strengths.
  • Resume scorer and checker that evaluate ATS-readiness, structure, and content, returning actionable suggestions.
  • AI career coach that provides real-time, chat-based guidance across job search, positioning, and next steps.
  • AI mock interviews and interview-question generator with instant feedback on answers.
  • Resume and portfolio builders with templates, proofreading, skills extraction, and ATS checker tools.
Business Impact
  • Helped ZEP position itself as a 'one-stop' AI copilot for job applications, from resume to interview prep.
  • Improved user success and retention by surfacing clear scores, progress, and targeted recommendations.

FindU

AI Medical Interview Prep Platform

findu.io

FindU is an AI-powered platform that helps future healthcare professionals ace medical school and specialty interviews using realistic simulations and feedback. I led the end-to-end implementation of the product experience.

Next.jsReactTypeScriptNode.jsPostgreSQLOpenAI APIAWS
Role

Full-Stack Developer

My Responsibilities
  • Built the core interview simulator UI and user dashboard for students to schedule and review AI interviews.
  • Implemented flows for AI mock interviews, resume analysis, numeracy tests, and progress tracking.
  • Set up token-based usage and plan logic (free and premium) to support both individual users and institutions.
Key Features I Built
  • AI interview simulator supporting multiple formats (MMI, panel, etc.) with specialty-specific questions and scenarios.
  • Real-time analysis of performance with metrics on communication, confidence, and interview structure.
  • Instant feedback loops that provide detailed, actionable suggestions after each session.
  • Progress tracking dashboards so students can monitor improvement over time and identify weak areas.
  • Onboarding and pricing flows including free tokens, upgrade via organization coupon, and premium feature unlocks.
Business Impact
  • Enabled thousands of healthcare applicants to access realistic interview practice 24/7 with measurable performance gains.
  • Helped institutions offer scalable, AI-driven coaching without adding internal interview coaches.

Talkerz

AI English Speaking & Reading Coach

talkerz.net

Talkerz is an AI-powered learning platform that combines reading comprehension with real-time speaking practice to improve English skills. I developed the full web experience and integrated the AI voice and analytics stack.

Next.jsReactTypeScriptNode.jsSpeech APIsOpenAI APIFirebase
Role

Full-Stack Developer

My Responsibilities
  • Implemented the three-step learning flow: choose passage, read and understand, then start AI voice interview.
  • Integrated AI speech and NLP services to evaluate fluency, pronunciation, grammar, and vocabulary.
  • Built analytics dashboards and progress reports for learners, accessible across devices.
  • Ensured a mobile-responsive, low-latency UI so learners can practice on the go.
Key Features I Built
  • Interactive reading library with diverse passages across technology, health, and other domains.
  • AI interviewer that conducts voice conversations, adapts to the learner's level, and asks comprehension-focused questions.
  • Real-time feedback on speech, including fluency scores, pronunciation hints, and grammar suggestions.
  • Detailed analytics and progress tracking so users can see improvements over time and target weak skills.
  • Multi-device, responsive experience with no-credit-card onboarding for frictionless adoption.
Business Impact
  • Helped Talkerz grow to 10K+ active learners, 100K+ completed AI interviews, and a 4.9 average rating.
  • Significantly improved users' speaking confidence and pronunciation through continuous, AI-driven feedback.

Jag My Chef

Online Culinary Service Platform

jagmychef.com

Jag My Chef is a digital platform that connects users with culinary services (such as personal chefs, curated menus, or food experiences) through a modern web presence. I handled the full implementation of the marketing and booking experience.

Next.jsReactTypeScriptTailwind CSSNode.js
Role

Full-Stack Developer

My Responsibilities
  • Built a high-conversion, responsive marketing website to showcase services and brand story.
  • Implemented booking/contact flows for leads to request services and packages.
  • Optimized performance and SEO for local and global discoverability.
Key Features I Built
  • Clear, visual presentation of chef services, offerings, and differentiators.
  • Simple inquiry/booking journey to reduce friction from discovery to lead capture.
  • Mobile-first layout suited for users browsing on phones and tablets.
Business Impact
  • Helped the brand translate an offline culinary offering into a credible online presence.
  • Increased inbound leads by making it easy for visitors to understand services and get in touch.

BayGuard Fire Protection

Safety Services Website

bayguardfire.com

BayGuard Fire Protection is a fire protection and safety services company that needed a professional web presence to build trust and generate leads. I developed the entire site from scratch, focusing on clarity, compliance, and conversions.

Next.jsReactTypeScriptTailwind CSSNode.js
Role

Full-Stack Developer

My Responsibilities
  • Designed and implemented the frontend with a clear information hierarchy around services, certifications, and contact.
  • Built forms and contact flows for quote requests, inspections, and support.
  • Ensured performance, accessibility, and responsive design best practices.
Key Features I Built
  • Service pages clearly describing fire protection solutions, inspections, and maintenance offerings.
  • Prominent trust signals (certifications, experience, testimonials) to reassure commercial customers.
  • Simple inquiry and quote request forms with routing to the right internal team.
Business Impact
  • Provided BayGuard with a credible online presence in a trust-sensitive, regulated industry.
  • Improved the company's ability to capture and qualify inbound leads through the website.

Unrot

React Native Micro-Learning App (Gen-AI)

Unrot is a mobile micro-learning app built with React Native that delivers short, AI-generated learning content and personalized practice sessions. I owned the full mobile engineering for the app.

React NativeTypeScriptExpoNode.jsOpenAI APIFirebase
Role

Mobile Developer

My Responsibilities
  • Architected and built the React Native app for both iOS and Android from scratch.
  • Integrated Gen-AI APIs to generate bite-sized lessons, questions, and explanations on demand.
  • Implemented state management, navigation, and offline-friendly caching layers.
  • Set up analytics and event tracking for user engagement and retention.
Key Features I Built
  • Micro-learning feed with short, focused lessons that users can complete in a few minutes.
  • AI-generated quizzes and explanations tailored to user level and previous performance.
  • Streaks, progress tracking, and reminder notifications to encourage daily learning.
  • Smooth, native-feeling UI and animations optimized for low-end and mid-range devices.
Business Impact
  • Turned abstract Gen-AI capabilities into a concrete, engaging learning experience on mobile.
  • Enabled the client to rapidly test and iterate on new learning formats with minimal engineering overhead.

contact, socials.

Twitter / X.comx.com/prathmeshsadake