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Our Portfolio - Development

Explore our Development work. Each project shows how we turn a practical need into a dependable product with clear ownership from discovery through delivery.

AI accelerates our execution, senior engineers own the architectural decisions, and every project is backed by our lifetime bug-fixing guarantee.

Development Case Studies

14 projects found

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Sur.co: Custom Shopify E-Commerce Store
Client Case Study
Website

Sur.co: Custom Shopify E-Commerce Store

Custom Shopify theme development for Sur.co, a premium e-commerce brand. Bespoke Liquid theme, original UX/UI design, mobile-first, conversion-optimised product pages and checkout.

Sur.co is a premium e-commerce brand that needed a fully custom Shopify theme to replace a generic template. Vasilkoff delivered a bespoke Liquid theme with original UX/UI design, mobile-first implementation, conversion-optimised product and collection pages, and seamless checkout flow, giving the brand a unique, high-performance storefront that reflects its premium positioning.
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AccuLevels: Precision Measurement Mobile App
Client Case Study
Mobile App

AccuLevels: Precision Measurement Mobile App

Precision leveling and measurement utility app for iOS and Android: uses device accelerometer and gyroscope sensors for real-time angle and level readings. Built with React Native by Vasilkoff.

AccuLevels is a precision measurement and leveling utility app for iOS and Android. Vasilkoff built the cross-platform React Native app using device sensors (accelerometer, gyroscope) to deliver accurate real-time level and angle measurements for professionals and DIY users. Published on App Store and Google Play.
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SMRT16
Internal Product
Web3

SMRT16

SMRT16 is an open-source Polygon DApp with automated referral earnings, delivered with a quality-first, accountable workflow.

SMRT16 demonstrates our expertise in Web3 development, Solidity smart contracts, and decentralized application architecture. Built as a fully autonomous, open-source DApp for multi-level referral programs on the Polygon blockchain, it ensures instant, secure, and transparent rewards distribution (up to 93.75% of transactions). This experience is ideal for clients needing decentralized affiliate systems, blockchain-powered loyalty programs, or advanced crypto integrations. We can design and deploy secure smart contracts with AI-powered internal/external audits, and integrate decentralized or centralized apps with SMRT16 logic, with accountable delivery from start to launch.
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Calculator Lock - Android App
Internal Product
Mobile App

Calculator Lock - Android App

Calculator Lock is an Android app that hides photos, videos, and files using a disguised calculator icon for privacy.

Calculator Lock demonstrates our expertise in developing privacy-centric mobile applications with advanced security features. Vasilkoff Ltd specialised in creating innovative utility apps incorporating biometric security, disguised interfaces, and intruder alerts. This experience is ideal for clients needing secure Android applications focused on data protection and user privacy. Our focus is on delivering reliable, intuitive solutions that prioritize user confidentiality and implement robust security protocols.
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Libi and Daughters
Client Case Study
ReactJS

Libi and Daughters

Libi and Daughters is a luxury cosmetics company with full IT development, including ReactJS/NodeJS and native mobile apps.

Libi and Daughters showcases our expertise in delivering end-to-end digital solutions for new companies, providing comprehensive eCommerce platforms from scratch. Vasilkoff Ltd specialised in full-stack development (ReactJS/NodeJS) and native mobile apps (iOS/Android), integrated with Shopify and Stripe. This experience is ideal for brands needing a complete, scalable, and secure online presence, ensuring a seamless shopping experience across all devices and ongoing technical support for sustained growth.
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Epic Story: Historical Audio App
Client Case Study
Mobile App

Epic Story: Historical Audio App

Historical audio storytelling mobile app with 25+ narrated stories, ambient sound layers, offline playback, and tag-based content discovery, built by Vasilkoff for iOS and Android.

Epic Story is a historical audio storytelling app delivering 25+ expertly narrated stories from ancient history with immersive ambient soundscapes. Vasilkoff built the cross-platform mobile app and web presence, combining audio playback, offline listening, content discovery by tags, and a global community of history listeners.
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Housekeeper World
Client Case Study
Mobile App

Housekeeper World

Housekeeper World is a service-booking platform with mobile access, flexible cleaning packages, and a smoother customer path from selection to booking.

Housekeeper World proves we can digitize service businesses with customer-friendly booking flows and operations-aware mobile delivery. The same experience applies to appointment platforms, service marketplaces, CRM-connected apps, and businesses that need smoother booking without increasing admin chaos.
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Big Mail Project
Client Case Study
Website

Big Mail Project

Big Mail Project: a web solution for easy online postcard sending. Streamlined service, global reach. Send postcards hassle-free, anytime, anywhere.

The Big Mail Project demonstrates our capability in developing user-centric web solutions that simplify complex services. We leverage a robust full-stack approach using Laravel, NodeJS, React, and Next.js for scalable architecture and intuitive interfaces. This experience is ideal for clients needing to streamline operations or modernize traditional services into efficient web applications with global reach. Our expertise ensures reliable performance and a fluid user experience across diverse platforms.
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Black Box Control
Client Case Study
Mobile App

Black Box Control

Black Box Control is a React Native app for rainwater-harvesting systems, giving users clear mobile monitoring and control across iOS and Android.

Black Box Control proves we can deliver sustainability-focused mobile products that translate physical-system data into simple, actionable mobile control. The same experience applies to utility apps, infrastructure dashboards, device-management tools, and React Native products that need dependable cross-platform UX.
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BUGMATH
Client Case Study
Mobile App

BUGMATH

BugMath is an educational game teaching children core math concepts through Singapore's math principles in a fun, graduated format.

BugMath showcases our specialization in EdTech development and gamification. We excel at creating engaging, cross-platform mobile apps that translate educational principles into interactive experiences for children. This expertise is ideal for clients seeking to build safe, intuitive learning platforms or educational games. We focus on integrating structured curricula with captivating visuals and secure environments, ensuring effective learning outcomes and high user engagement.
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KOKO-MIX ADMIN
Client Case Study
Mobile App

KOKO-MIX ADMIN

KKOKO-MIX ADMIN is a custom internal tool optimizing operations with an Android app, admin panel, and chat system.

KOKO-MIX ADMIN exemplifies our ability to develop specialized corporate internal tools and enterprise mobile solutions that significantly enhance operational efficiency. We created a comprehensive platform integrating an Android app, admin panel, and real-time chat to streamline field staff communication and management. This experience is ideal for businesses seeking to optimize workflows, improve coordination, and gain centralized control over their operations. We deliver tailored systems designed for operational excellence.
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Vasilkoff.info - AI Project Estimator & Chat Support Web App
Internal Product
NextJS

Vasilkoff.info - AI Project Estimator & Chat Support Web App

Vasilkoff.info is our AI estimator and support web app, turning visitor questions into instant project scope, chat guidance, and professional offer generation.

Vasilkoff.info proves we can turn anonymous interest into structured project scope, instant estimation, and a cleaner handoff to human delivery. The same capability fits AI intake flows, support copilots, domain-specific chat, lead qualification, and proposal generation for service businesses.
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HEPTAPOLIS
Client Case Study
Web3

HEPTAPOLIS

Heptapolis.com received an all-in-one crypto ICO solution including smart contract development, DApp creation, and strategic support.

Heptapolis demonstrates our expertise in delivering comprehensive DApp and crypto project solutions. We provide end-to-end services for successful ICO launches, including secure smart contract development, intuitive DApp creation, and strategic technical documentation. This experience is ideal for clients seeking robust blockchain solutions and effective fundraising strategies. We ensure seamless integration of technology and marketing, helping projects securely navigate the crypto market and achieve fundraising objectives.
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What Every Delivery Shares

Beyond frameworks and tools, every Vasilkoff project is defined by clear engineering standards and measurable responsibility.

AI-Accelerated Speed

We leverage custom local AI models to automate boilerplate code, speeding up delivery timelines to weeks instead of months.

Senior Human Ownership

AI generates code, but senior engineers design the architecture, conduct security reviews, and own the final execution.

Lifetime Bug Guarantee

We stand behind our engineering. Every product delivered includes a lifetime guarantee for free bug-fixing.

Have a product idea or system challenge?

Start with an instant proposal or talk with our engineering team to scope your project risks and timeline.