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Tarang Patel's avatar
Tarang Patel
proSurat, India
AI | .NET & Full-Stack Developer | Next.js | Flutter
12
Followers
AI | .NET & Full-Stack Developer | Next.js | Flutter
Cover image for Lingify AI Translator Mobile App Design
Lingify AI Translator Mobile App Design
1
6
Cover image for Logistics Management Admin Panel UI/UX Design
Logistics Management Admin Panel UI/UX Design
1
38
Cover image for Gemstone Crave Jewels – Jewelry E-Commerce Web & App
Gemstone Crave Jewels – Jewelry E-Commerce Web & App
1
7
Cover image for Cross-Platform Mobile App Developer (iOS/Android)
Cross-Platform Mobile App Developer (iOS/Android)
1
3
ASP.NET(4)
Dima Umen's avatar
Dima Umen
proWarsaw, Poland
Web & Mobile Developer | React Node ASP.NET Vue React Native
13
Followers
Web & Mobile Developer | React Node ASP.NET Vue React Native
Cover image for An augmented reality application for whitening teeth
An augmented reality application for whitening teeth
0
28
Cover image for iOS app to help sales reps recognize and track progress
iOS app to help sales reps recognize and track progress
0
26
Cover image for iOS/Android mobile emergency application
iOS/Android mobile emergency application
0
24
Cover image for iOS/Android mobile app for on-demand video calls with experts
iOS/Android mobile app for on-demand video calls with experts
0
23
ASP.NET(7)
Ali Raza's avatar
Ali Raza
London, UK
Build & Fix Complex .NET Systems, APIs & Workflows
New to Contra
Build & Fix Complex .NET Systems, APIs & Workflows
Cover image for Technical Pricing Platform – Excel
Technical Pricing Platform – Excel to Scalable Web Application Led development of a technical pricing platform at MS Amlin, transforming Excel-based actuarial models into scalable web applications used by underwriters and actuaries. The platform standardised pricing workflows, improved consistency across models, and enabled better usability and governance of complex pricing logic. Worked closely with senior stakeholders, mentored developers, and delivered a maintainable architecture focused on reliability, data integrity, and long-term scalability.
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22
Cover image for SIPP Onboarding Platform – API-Driven
SIPP Onboarding Platform – API-Driven Web Application Led development of a paperless SIPP onboarding platform for Tilney Smith & Williamson, integrating with Embark APIs to automate client onboarding, AML screening, and account creation. The platform reduced account opening time from days to minutes and also integrated card payments, the SEI wealth platform, and SIPP transfers. Built a robust, maintainable .NET backend and responsive UI with full API connectivity and a strong focus on straight-through processing.
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30
Cover image for Enterprise Royalty Management System &
Enterprise Royalty Management System & Financial Workflows Contributed to the development of an enterprise Actuarial Modeling Platform used by insurers for risk analysis and Solvency II compliance. Worked on a secure, workflow-driven system handling complex financial models and large data processing. Delivered full-stack features, built and maintained APIs, and supported integration with a high-performance C++ calculation engine. Focused on system reliability, role-based access control, and enabling scalable model execution for enterprise users.
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39
Cover image for Actuarial Modeling Platform for Insurance
Actuarial Modeling Platform for Insurance Risk & Solvency II Contributed to the development of an enterprise Actuarial Modeling Platform used by insurers for risk analysis and Solvency II compliance. Worked on a secure, workflow-driven system handling complex financial models and large data processing. Delivered full-stack features, built and maintained APIs, and supported integration with a high-performance C++ calculation engine. Focused on system reliability, role-based access control, and enabling scalable model execution for enterprise users.
0
40
ASP.NET(4)
Haitham Abbas's avatar
Haitham Abbas
Egypt
Backend Developer
Backend Developer
Cover image for EmployeeDbApp-MVC-Identity
EmployeeDbApp-MVC-Identity
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9
Cover image for Shopping Cart Web App
Shopping Cart Web App
0
5
Cover image for Restaurant system Web API
Restaurant system Web API
0
44
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ASP.NET(3)
Cuboid Inc.'s avatar
Cuboid Inc.
proPakistan
30+ Apps Shipped | Flutter, Angular & ASP.NET
$100k+
Earned
7x
Hired
5.0
Rating
45
Followers
30+ Apps Shipped | Flutter, Angular & ASP.NET
Cover image for Healthcare Booking & Specialist Directory - Meetdocs
Healthcare Booking & Specialist Directory - Meetdocs
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14
Cover image for 📌 Case Study: PolySwap (PoliexSwap)
📌 Case Study: PolySwap (PoliexSwap) — Decentralized AMM & Yield Farming on Polygon Category: DeFi · Decentralized Exchange · Web3 Platform: Web (Polygon Network) Project Type: Automated Market Maker (AMM) & Yield Farming Protocol Live: polyswap.netlify.app (http://polyswap.netlify.app) Project Overview PolySwap (https://polyswap.netlify.app) — built as PoliexSwap — is a decentralized exchange and high-yield farming protocol deployed on the Polygon network. It gives users the ability to swap tokens, provide liquidity, and earn yield on their assets directly from a non-custodial Web3 interface, without intermediaries and without leaving their wallets. Built by Cuboid, it sits in the same product category as PancakeSwap on BSC — but positioned specifically for Polygon's faster, lower-cost infrastructure. The Problem Ethereum's gas fees made DeFi participation prohibitively expensive for smaller investors. Binance Smart Chain addressed the cost problem but introduced centralization trade-offs many users weren't comfortable with. Polygon emerged as a legitimate Layer 2 alternative — fast, cheap, and EVM-compatible — but lacked a native, fully-featured AMM and yield farming platform at the time. The opportunity was clear: a first-mover DEX on Polygon that combined token swapping, liquidity provision, and high-yield farming in a single, clean interface built for the Polygon-native user. Our Solution Cuboid designed and developed the full PolySwap platform — smart contract integration, liquidity pool architecture, yield farming interface, and wallet connectivity — on Polygon's EVM-compatible chain. The interface was modeled on the established DEX UX patterns users already knew from Uniswap and PancakeSwap, lowering the barrier to entry while delivering Polygon's speed and cost advantages underneath. The platform was built to be genuinely non-custodial throughout — users connect their own wallets, execute swaps and deposits directly on-chain, and retain full control of their assets at every step. Key Features & Capabilities Token Swapping (AMM) — An automated market maker enabling direct token-to-token swaps on Polygon without order books, central servers, or custodial risk. Pricing is determined algorithmically by liquidity pool ratios, ensuring continuous liquidity at all times. Liquidity Provision — Users deposit token pairs into liquidity pools and earn a share of all swap fees generated by that pool — passive yield tied directly to platform trading volume rather than speculative token price. High-Yield Farming — Liquidity providers receive LP tokens representing their pool share, which can be staked in farming contracts to earn additional protocol rewards on top of swap fees. The dual-layer yield model — fees plus farming rewards — was positioned as the platform's primary value proposition for capital deployment on Polygon. Non-Custodial & Permissionless — No sign-up, no KYC, no custody. Users connect a compatible Web3 wallet and interact with smart contracts directly. Any Polygon-compatible token pair can be added as a liquidity pool without platform approval. Polygon-Native Performance — Transactions settle in seconds at a fraction of Ethereum mainnet gas costs, making frequent farming interactions and compounding strategies economically viable for users of any portfolio size. Why Polygon The decision to build on Polygon rather than Ethereum mainnet or BSC was deliberate. Polygon's EVM compatibility meant existing Ethereum tooling, wallets, and token standards worked without modification. Its transaction costs and speed made high-frequency DeFi interactions — swaps, deposits, harvest cycles — practical for retail users, not just whales. Positioning PolySwap as the first high-yield AMM on Polygon was a first-mover bet on a network that has since grown into one of the most active EVM chains in DeFi. Final Outcome PolySwap demonstrates Cuboid's capability across the full DeFi product stack — AMM smart contract integration, liquidity pool architecture, yield farming mechanics, and a consumer-grade Web3 interface built for a specific chain's competitive advantage. It's a project that required both technical precision and an understanding of how DeFi users think about capital, risk, and yield.
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Cover image for 📌 Case Study: NFT Gaming
📌 Case Study: NFT Gaming Stars — Play-to-Earn Blockchain Gaming Platform Category: Web3 · GameFi · NFT & Metaverse Platform: Web (Binance Smart Chain) · iOS & Android (in development) Project Type: Decentralized Play-to-Earn Gaming Ecosystem Live: nftgamingstars.com (http://nftgamingstars.com) Project Overview NFT Gaming Stars (https://nftgamingstars.com) is a Binance Smart Chain-based Play-to-Earn gaming ecosystem that unites NFTs, decentralized gaming, staking, and a metaverse layer under a single platform. Its native token — GS1 — serves as the currency of the entire ecosystem, powering in-game earnings, NFT purchases, staking rewards, and wallet-to-wallet trading. Built by Cuboid, the platform was designed to sit at the intersection of GameFi and the broader Web3 movement at a time when that space was defining its own rules. The Problem The convergence of blockchain and gaming presented a genuine opportunity — but most early Play-to-Earn platforms prioritized tokenomics over user experience, producing platforms that felt transactional and inaccessible to anyone who wasn't already deep in crypto. The result was an ecosystem that talked about fun but delivered a spreadsheet. NFT Gaming Stars needed a platform that could attract both crypto-native users and mainstream gamers — one that delivered real earning mechanics without sacrificing the experience quality that keeps people playing. Our Solution Cuboid built the full web platform and DApp infrastructure for NFT Gaming Stars on Binance Smart Chain — handling smart contract integration, the marketplace UI, staking interface, wallet connectivity, and the P2E game environment. The platform went live with a complete ecosystem from day one: token purchase, NFT minting, staking at up to 60% APY, and an operational Play-to-Earn game accessible directly from the browser. The architecture was built around a customizable API layer to support transaction handling at scale, with decentralization and cryptographic security embedded at the infrastructure level — not bolted on as an afterthought. Key Features & Capabilities GS1 Token Ecosystem — A fixed supply of 250 million GS1 tokens with liquidity locked until 2033. GS1 functions as the platform's medium of exchange across games, NFT purchases, staking, and wallet-to-wallet trading — designed for multi-utility across the entire Stars Network rather than single-game use. Play-to-Earn Games — Browser-based P2E games where players earn GS1 by playing, with NFT holders earning passive GS1 as the ecosystem expands into metaverse interactions. The first game, Battle Leet, launched as a proof-of-concept with a mobile app roadmap following behind. NFT Marketplace — A limited edition of 1,000 NFTs available for purchase on-platform, covering in-game assets including skins, weapons, land, and aesthetic upgrades. Every asset is verifiable, traceable, and immutable on-chain. Staking — Users stake GS1 directly on the platform for APY rewards, creating a holding incentive beyond active gameplay and supporting long-term token stability. Walk-to-Earn Integration — A Walk2Earn application concept integrating AR and AI — rewarding physical activity with GS1 earnings, extending the platform's utility beyond screen-based gaming entirely. Decentralized Exchange Layer — Direct crypto wallet trading with support for GS1, BNB, and other BSC assets. No central authority, no custody risk — users trade directly from their own wallets throughout. MetaStars — Metaverse Expansion — The platform roadmap includes MetaStars, a full metaverse environment where NFT holders interact with assets in an immersive virtual world, with multiplayer game development including a chess variant running in parallel. Community & Traction NFT Gaming Stars launched with a 34,000-follower Twitter community, airdrop campaigns distributing over $20,000 in GS1 and 32 NFTs, and listings across major crypto data platforms including CoinMarketCap and Bitget. The project's audit was handled by SolidProof, and KYC verification was processed through the same trust infrastructure used by established BSC projects. Final Outcome NFT Gaming Stars demonstrates Cuboid's capability in full-stack Web3 product development — smart contract integration, decentralized exchange infrastructure, NFT marketplace architecture, and P2E game environments — delivered for a live, token-listed, community-backed project operating on Binance Smart Chain.
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Cover image for 📌 Case Study: Candlestick Academy
📌 Case Study: Candlestick Academy — Trading Chart Pattern Mastery App Category: Education · Finance & Trading Platform: iOS & iPadOS (iPhone, iPad, Mac via Apple Silicon, Apple Vision Pro) Project Type: Gamified Financial Education App Live: candlestick-academy.web.app (http://candlestick-academy.web.app) · App Store (https://apps.apple.com/pk/app/candlestick-academy/id6763744872) Project Overview Candlestick Academy (https://candlestick-academy.web.app) is a trading education app that teaches all 28 essential candlestick patterns through cinematic storytelling, live market simulation, and competitive battle modes. The positioning says it best: Bloomberg Terminal meets Duolingo. Built and published by Cuboid, it's a fully offline, no-subscription, no-ads product built for traders who are serious about developing real pattern recognition — not just memorizing definitions. The Problem Candlestick chart patterns are fundamental to technical trading, but the way they're typically taught — textbooks, static images, dry definitions — doesn't build the instinctive recognition that actually matters when markets are moving in real time. Traders end up knowing what a Hammer looks like on paper but freezing when they see one forming tick by tick on a live chart. Existing trading education apps either oversimplified the material for beginners or buried it in subscription paywalls and generic content libraries. There was no product that combined the depth of professional trading education with the engagement mechanics needed to make the learning actually stick. Our Solution Candlestick Academy was built around one premise: recognition is a skill, not a fact. The app develops that skill through three distinct learning modes — each targeting a different stage of pattern mastery — tied together with a gamified progression system that keeps traders coming back daily. The entire app runs offline, with no subscription and no ads. The product earns its place through quality, not lock-in. Key Features & Capabilities Live Market Simulator — A dark, terminal-style interface with tick-by-tick candle formation that mimics a real trading screen. Users watch patterns develop in real time, identify them, tap "SIGNAL!", and earn or lose ELO rating based on accuracy. Progression runs from Rookie to Pro, with each rank requiring genuine improvement. Story-Driven Pattern Learning — All 28 patterns are taught through market psychology narratives — the human stories behind why bulls and bears create each formation. A Doji isn't just a cross-shaped candle; it's a moment of genuine indecision between two forces with equal conviction. That framing makes patterns memorable in a way that definitions never do. Spaced Repetition Engine — Powered by the SM-2 algorithm, the same system used by serious language learners. The app schedules review of each pattern at the optimal moment for long-term retention, not just short-term recall. Adaptive Drills — The system identifies weak spots in a user's pattern recognition and rebuilds every 10-question session around those specific gaps. No two sessions are identical. Anatomy Drills — Users tap individual parts of a candlestick — wicks, bodies, shadows — and the app explains exactly what that price movement represents at that moment in market psychology. It teaches traders to read candles, not just recognise them. Pattern Matchup — Long-press any two patterns to see a side-by-side comparison of their visual structure and psychological sentiment. Particularly useful for distinguishing similar-looking patterns that signal opposite market moves. Battle Mode — Timed competitive sessions with a ×4 combo multiplier for streak accuracy. Fast pattern recognition under pressure is the specific skill that separates traders who hesitate from traders who act. Mastery Constellation — Progress is visualised as a growing galaxy of stars — each pattern mastered adds a star to the user's constellation. It's a visual representation of accumulated knowledge, not just a progress bar. Daily Challenges — A curated 5-question set each morning to maintain active recall and keep streaks alive without requiring long sessions. 63 Automated Tests — Every pattern in the app is validated against 63 automated tests to ensure mathematical correctness. In a domain where accuracy is non-negotiable, this isn't a feature — it's a baseline. Design Philosophy The visual language is deliberately terminal-dark — professional, focused, and built to look credible on a trading desk rather than playful in a gaming context. The gamification layer (ELO, battle mode, constellation, streaks) is present and engaging but never trivializes the subject matter. The product respects the user's intelligence throughout. Final Outcome Candlestick Academy demonstrates Cuboid's ability to build sophisticated educational products at the intersection of fintech and consumer mobile — combining rigorous content, adaptive learning algorithms, live simulation, and professional-grade design. It's a product that competes with established trading education platforms on every dimension that matters to a serious trader.
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ASP.NET(1)
Andrey Сhashkov's avatar
Andrey Сhashkov
proColumbus, USA
Expert Web & iOS Developer with 25+ Years Experience
$10k+
Earned
1x
Hired
4.7
Rating
8
Followers
Expert Web & iOS Developer with 25+ Years Experience
Cover image for Emerald City Embroidery — OMS for Award-Winning Embroidery Shop
Emerald City Embroidery — OMS for Award-Winning Embroidery Shop
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Cover image for Reelshot — Video Editor App with Smart Camera
Reelshot — Video Editor App with Smart Camera
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46
Cover image for Croo.tv — Scheduling Solution for Script-based Projects
Croo.tv — Scheduling Solution for Script-based Projects
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28
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ASP.NET(1)