Browse 100+ verified production software systems delivered across 20+ years of senior engineering. Filter by industry vertical, technology stack, and architectural specialization.
Production-readiness engineering for a creator monetization platform: 300 commits and 299 tracked items covering payments, Sentry triage, performance, mobile UX, new features and a Playwright regression suite.
SazM's own platform on Astro and Cloudflare: public site, client portal, admin console and delivery automation, with Cashfree and PayPal subscription billing. About 2,700 commits across two generations in 2026.
Built an AI reel generator end to end: OpenAI scripts, Google TTS voices, Whisper-timed subtitles, FFmpeg/MoviePy video assembly from stock clips, and scheduled Instagram reel and story publishing.
Laravel developer for UK-based Social Suite: business blogs with RSS-to-blog publishing and plan-based limits on Trust Ads, plus Stripe, text-to-speech and review/lead plugin work across its other products.
International platform for soccer camps, academies, and schools, streamlining program information and enrollment processes.
Engineered detailed SKU categorization database trees and transactional shipping calculators for rare auto parts.
Designed enterprise SSL encryption pipelines and lead qualification scoring questionnaires for wealth advisors.
Engineered CDN-cached media delivery and responsive video streaming configurations for creative portfolios.
Secured and optimized clinical practice management and EHR data-modeling systems to streamline medical workflows.
Designed B2B volume-pricing discounts algorithms and secure purchase order submission flows for healthcare supplies.
Built custom database event scheduling and content synchronization for localized community notifications.
Optimized page load speeds and custom contact form database sanitization for consulting agencies.
Configured secure user intake scheduling and database indexing for clinical consultation logs.
Configured client workout scheduling databases and private client progress photo upload directories.
Engineered low-latency discussion board database queries and automated spam filtering for active community blogs.
Integrated custom product personalization forms and automated invoice dispatch systems for silver jewelry retail.
Configured secure credit card processing gateways and responsive product galleries for fashion retail.
Optimized catalog load times and secure cart transaction processing for premium tea retail.
Designed digital sheet music file delivery systems and automated email transaction confirmations.
Optimized high-volume Magento checkout transaction processing and custom hardware dimension filters.
Designed database schema for clinical reference data indexing and medical research lookup pages.
Configured transactional shopping carts and automated payment receipts dispatch workflows.
Restaurant signage platform.
Optimized site-wide load times and accessibility markup for regional healthcare locator tools.
Holiday lighting eCommerce.
Optimized bulk SKU imports and secure payment checkout flows for photography supplies.
Custom-fit deck cover eCommerce platform.
Engineered custom digital audio catalog indices and integrated digital download fulfillment callbacks.
Designed dynamic industrial catalog filtering and secure multi-recipient corporate contact routing.
Built B2B pricing procurement workflows and customized B2B product specifications on Magento.
Integrated real-time distance-based rate estimating calculators and automated booking email alerts.
Integrated third-party calendar scheduling and HIPAA-conscious data transmission for wellness practitioners.
Optimized relational indexing and catalog data structures to handle high-frequency search requests without table locks.
Optimized OpenCart page-load benchmarks and integrated multi-currency transactional APIs for organic teas retail.
Marine dock products eCommerce.
E-commerce website offering brain-based music products for children and teachers.
Integrated compliance-conscious checkout workflows and localized shipping rules for specialized sports hardware.
Personal brand website.
Designed hierarchical educational document taxonomies and optimized PDF download caching.
Optimized Magento transaction processing and automated inventory syncing for cold-weather glove supply lines.
Decorative hardware eCommerce store.
Configured OpenCart shipping weight fee calculations and automated email tracking updates.
Engineered high-performance visual catalog filtering for spa equipment options and B2B quote inquiries.
Structured a normalized animal database schema with complex medical status and adoption check flags.
Engineered high-performance gallery caching and search-optimized asset distribution for creative portfolios.
Configured static asset preloading and clean URL redirects for author book launch traffic.
Traditional kite eCommerce store.
Integrated remote client dental intake forms and orthodontic scan upload workflows.
Integrated MINDbody API scheduling systems with client profile databases for real-time class booking.
Configured digital product file-locking and secure transactional downloads for financial indicators sales.
Website promoting peaceful initiatives and community-building projects.
Implemented Web Content Accessibility Guidelines (WCAG) and structural document indexing for regional transit compliance.
Designed relational database structures for public parking zone indexing and local permit schedules.
Engineered a hybrid WordPress and OpenCart architecture with synchronized session handling and unified data feeds.
Built industrial woodcutting tools SKU variation filters and custom sharpening service reservation calendars.
E-commerce and informational website for online products.
Configured responsive frontend styling and database product modeling for organic kids clothing e-commerce.
Designed transactional catalog layouts and secure order processing workflows for organic health retail.
Engineered interactive networking features including dynamic friend-graph lookups and third-party contact inviter integrations.
Designed secure download delivery links and transaction callbacks for digital asset sales.
Wellness center website offering therapeutic services.
Website supporting cat rescue efforts.
Website for Pilates classes, schedules, instructor expertise, and online bookings.
Structured complex polymer technical spec schemas to facilitate discovery by industrial procurement searchers.
Social networking site allowing user connections and interactive features.
Configured PCI-compliant checkout integrations and inventory sync updates for high-traffic lighting retail.
Engineered custom parts compatibility filtering and transactional security for firearm accessory sales.
Configured relational catalog indexing and secure checkout gateways for hobby craft e-commerce.
OpenCart-based competition registration system supporting event sign-ups and competitor management.
Website for music services, offering lessons, repairs, and audio equipment.
Social media and e-commerce platform integrating user profiles and online stores.
Genealogical research platform for family trees, historical archives, and Jewish community records.
Website for pool installation and maintenance services.
Integrated high-security payment processing and dynamic jewelry engraving configurators on Magento.
E-commerce platform for custom insignia and jewelry design.
Engineered real-time bid verification logic and transactional locking for penny auction bidding loops.
Configured parameterized lead forms and SSL transport layer security for financial planning advice requests.
Designed B2B catalog structures and bulk-add shipping calculation scripts on OpenCart.
Custom WordPress theme for fan-based community engagement.
Implemented high-resolution image compression and secure Stripe checkout flows for original fine art sales.
Structured hierarchical curriculum content modeling and optimized asset delivery for e-learning platforms.
Optimized asset loading speeds and lead capture database routing to improve inbound sales pipelines.
Configured automated database scheduling and responsive media delivery for personal coaching services.
Configured secure file intake workflows and database scheduling structures for academic consulting submissions.
Deployed monolithic page-caching and static content modeling to support high-traffic author blog releases.
Structured hierarchical database indexing to support large product variations and dimensions catalog queries.
Engineered geospatial lookup queries and relational database schemas matching rental postings to roommate profiles.
Configured secure payment transaction processing and catalog categorization mapping for fitness apparel sales.
Configured page-caching headers and static asset compression for OpenCart catalog distribution.
Designed custom PHP database synchronization to manage farm share member orders, inventory caps, and reporting schedules.
Integrated CodeIgniter MVC routing with secure Cyberplus payment gateways to handle concurrent transaction dispatches.
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Integrated Kunena forum discussion databases with unified user profile registration tables in Joomla.
Online portal for buying and selling real estate properties, with features for managing listings.
Centralized search engine aggregator used by the French government.
Booking platform with automated e-ticketing and payment integration via Cyberplus.
Built custom image manipulation filters and catalog permissions for professional pharmaceutical media purchasing.
Designed dynamic stock tracking databases and hardware kiosk status check logging scripts.
Online education portal for student training, certifications, and course management with e-commerce integration.
Designed database schemas for workflow tracking and step-by-step project lifecycle scheduling.
Real estate portal with a user-friendly interface and an admin dashboard for managing listings.
Mobile-optimized platform for browsing and purchasing land.
Maintained high-availability clinical database schemas and secure patient data collection scripts.
Designed secure client intake routing and SEO-friendly information architecture for legal consulting representation.
Engineered low-latency full-text search indexing and relational database clustering for classified ads.
Get direct access to senior full-stack execution without the overhead of hiring, managing, or scheduling meetings. 24–48h delivery per request on a flat monthly subscription ($999/mo USD).
