Freelancers using JavaScript in CatonsvilleFreelancers using JavaScript in Catonsville
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Dariush Samari's avatar
Dariush Samari
Rockville, USA
Web Dev & AI Evaluator: Clear, Creative, Reliable Work
Web Dev & AI Evaluator: Clear, Creative, Reliable Work
Cover image for Modern Landing Page Template
Modern Landing Page Template
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14
Cover image for 3D Electric Field Visualization Project
3D Electric Field Visualization Project
1
21
Cover image for Doppler Effect Simulation with Three.js
Doppler Effect Simulation with Three.js
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16
Cover image for Dash Samari's Resume Website Development
Dash Samari's Resume Website Development
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8
JavaScript(3)
Toni Vandewinckel's avatar
Toni Vandewinckel
Catonsville, USA
I turn spreadsheets and paperwork into working web apps
New to Contra
I turn spreadsheets and paperwork into working web apps
Cover image for Booking CRM + EPK —
Booking CRM + EPK — Live Music Artist A booking system and a public press kit site for a Baltimore-area musician, connected so they share one set of data. The booking app tracks outreach to 190+ venues. A pinned follow-up list sits above an aging queue that filters by days since contact. Statuses cover contacted, waiting on reply, parked with a check-back date, and a sub list for venues that said yes without a date. Gigs link to their venues, record what each show paid, and roll up into yearly earnings. Two people work from it at once, with changes syncing live. The EPK is a one-page site with the artist's bio, video, and photos, plus a "Catch him live" section that pulls upcoming dates straight from the booking app. Add a gig and the public site updates on its own. Built with Firebase and Netlify.
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1
43
Cover image for Maintenance & Rehab Tracker —
Maintenance & Rehab Tracker — Property Management A maintenance tracking system I built for a property management company with 70+ properties. It replaced texts, calls, and spreadsheets with one shared system for the office and field crews. Crews log and update jobs from their phones, including photos, notes, and timestamped status changes. The office sees all work across rentals, turnovers, and rehabs, filtered by crew member, with ASAP and overdue items at the top. Rehabs follow a scope checklist by trade, with a materials list. Tenant access and appointment details stay attached to each job, contractors get alerts when work is assigned, and a weekly report summarizes completed and open work by property. Built with Firebase, Netlify, and Cloudinary. Shown with demo data.
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52
Cover image for Vendor Marketplace — Food &
Vendor Marketplace — Food & Craft Market A booking and payment platform I built for a year-round food truck and craft market. Before this, vendors applied, scheduled, and paid by message and cash. Vendors apply online and accept the market rules. Once approved, they get an email invite to set up their account. From there, they pick days on a live calendar, choose a food truck spot, set their hours, and pay online. Selected days are held for 30 minutes during checkout, then released automatically if unpaid, so two vendors can't book the same spot. The admin side covers application review, adding approved members directly, vendor check-in, a booking calendar, and an invited-contacts tracker for outreach. Built with Next.js, Supabase, Stripe, and Resend, deployed on Railway. Live with real vendor payments.
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Cover image for ConferenceFit — College Swim Recruiting
ConferenceFit — College Swim Recruiting Platform I built ConferenceFit to answer the question every swim family asks during recruiting: where would these times actually score at a conference championship? I designed, built, and run it on my own. Swimmers enter their best times and get their fit across D1, D2, D3, and NAIA, including estimated points, projected finals placement, and the best-fit conference. Each school profile pairs swim fit with academic fit, so families can see both at once. Features include divisional, combined, and per-event scoring views, school search, saved favorites, and a demo account so prospects can try it before signing up. Club coaches get a roster dashboard with bulk swimmer upload and class-year filters. Paid subscriptions cover both individual and coach plans. Built with React, Supabase, and Stripe, deployed on Railway. Mobile-first.
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27
JavaScript(2)
Richard Roach's avatar
Richard Roach
Maryland, USA
Multidisciplinary Business Analyst & Designer
Multidisciplinary Business Analyst & Designer
Cover image for Ruby Engineering
Ruby Engineering
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11
Cover image for Training Management Solution
Training Management Solution
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5
Cover image for Business Optimization Coaching
Business Optimization Coaching
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9
Cover image for Concept Prototyping
Concept Prototyping
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20
JavaScript(1)
Chris H.'s avatar
Chris H.
Glen Burnie, USA
Cost-Efficient Web Dev & Business Assistant
Cost-Efficient Web Dev & Business Assistant
Cover image for Streamlined WordPress Website Creation
Streamlined WordPress Website Creation
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3
Cover image for Wordpress/Elementor Site
Wordpress/Elementor Site
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5
Cover image for Landing Pages
Landing Pages
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3
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JavaScript(1)
aniah brown's avatar
aniah brown
Ellicott City, USA
Full-Stack Software Engineer | JavaScript, React, Node.js
Full-Stack Software Engineer | JavaScript, React, Node.js
Cover image for NewsExplorer
NewsExplorer
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7
Cover image for Around the US
Around the US
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6
Cover image for WTWR
WTWR
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9
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JavaScript(2)