Freelancer logo
Log In Sign Up
Post a Project

EXPLORE

API Excel Extensions & Additions Software Architecture Visual Basic
Profile cover photo
User Avatar

Ahmet C.

@ahmetTC

4.8
5

3.9

3.9

80%

Tradıng Bot(Polymarket, MT5), Excel Auto, Scrape

$50 USD / Hour

・

Flag of

Turkey (1:58 PM)

・

Joined on February 10, 2026

$50 USD / Hour

・

Hello. I specialize in building crypto betting and blockchain-based gambling platforms and auomation bots that are secure, scalable, and ready for real-world use. My experience comes from working on live betting systems, not proof-of-concepts, where accuracy, security, and uptime directly impact revenue and user trust. I’ve developed end-to-end crypto betting platforms, including sportsbook-style betting, casino-style games, and provably fair systems. My work covers the full stack, from system architecture and backend logic to wallet integration, transaction processing, and high-performance APIs that support real users and real money. On the backend, I design robust, secure architectures with a strong focus on data integrity and performance. I have implemented crypto wallet flows for deposits and withdrawals, blockchain transaction confirmations, odds calculation, bet placement and settlement logic, and balance management. I understand how critical atomic transactions, idempotency, and precise fund handling are in betting systems. I have hands-on experience integrating with blockchains such as Bitcoin and EVM-compatible networks, managing on-chain transactions, confirmations, and security best practices. I also work with third-party services including odds providers, payment gateways, KYC solutions, and fraud prevention tools when required. Security is a top priority in all my projects. I implement secure authentication, role-based access control, wallet protection, rate limiting, anti-abuse measures, and detailed audit logging. I design platforms to handle high traffic, peak betting activity, and real-time updates without sacrificing stability or performance. On the frontend, I build responsive, intuitive interfaces that make betting easy and transparent for users. I focus on real-time odds updates, live betting experiences, and clear transaction histories so users always know where their funds and bets stand. I approach crypto betting projects with a product-focused and compliance-aware mindset. I understand the regulatory sensitivity of this space and build systems that are structured, auditable, and adaptable across different jurisdictions. If you’re looking for a developer who understands both the technical and financial risks of crypto betting platforms, communicates clearly, and delivers production-ready systems built to scale, I’m ready to help. Thanks

Verifications

On time

100%

On budget

100%

Accept rate

63%

Repeat hire rate

25%

Freelancer Visual Basic Developers Turkey
See all Visual Basic Developers in Turkey

Portfolio

Portfolio

13824627
Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

13824625
Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

13824621
https://www.veed.io/view/b7515c99-0b21-474c-ad49-5bfa1cc23cba?panel=share https://docs.google.com/document/d/1ZmDM8wyJprFaqsFknNgUycW6tpNkfgJ0LESy9fJprnc/edit?tab=t.0#heading=h.xr1uctwau2qt HIxLO is a simple crypto-based P2P Trading Game where players predict BTC price movements in real-time to earn money. It merges gaming and trading, fostering financial inclusion and transforming digital asset interaction. It was created using Blockchain, smart contract, next.js, mysql, etc

Instant contract game site

https://www.veed.io/view/b7515c99-0b21-474c-ad49-5bfa1cc23cba?panel=share https://docs.google.com/document/d/1ZmDM8wyJprFaqsFknNgUycW6tpNkfgJ0LESy9fJprnc/edit?tab=t.0#heading=h.xr1uctwau2qt HIxLO is a simple crypto-based P2P Trading Game where players predict BTC price movements in real-time to earn money. It merges gaming and trading, fostering financial inclusion and transforming digital asset interaction. It was created using Blockchain, smart contract, next.js, mysql, etc

Instant contract game site

https://www.veed.io/view/b7515c99-0b21-474c-ad49-5bfa1cc23cba?panel=share https://docs.google.com/document/d/1ZmDM8wyJprFaqsFknNgUycW6tpNkfgJ0LESy9fJprnc/edit?tab=t.0#heading=h.xr1uctwau2qt HIxLO is a simple crypto-based P2P Trading Game where players predict BTC price movements in real-time to earn money. It merges gaming and trading, fostering financial inclusion and transforming digital asset interaction. It was created using Blockchain, smart contract, next.js, mysql, etc

Instant contract game site

https://www.veed.io/view/b7515c99-0b21-474c-ad49-5bfa1cc23cba?panel=share https://docs.google.com/document/d/1ZmDM8wyJprFaqsFknNgUycW6tpNkfgJ0LESy9fJprnc/edit?tab=t.0#heading=h.xr1uctwau2qt HIxLO is a simple crypto-based P2P Trading Game where players predict BTC price movements in real-time to earn money. It merges gaming and trading, fostering financial inclusion and transforming digital asset interaction. It was created using Blockchain, smart contract, next.js, mysql, etc

Instant contract game site

13824620
I created a crypto wonderland lottery game site that involves purchasing five-digit tickets and rewarding prizes based on the number of tickets purchased.

Crypto Wonderland lottery game site

13824617
Combined various game sites and created my own crypto casino game. Skills and deliverables I have perfectly implemented SEO, game API integration, and various payment integrations.

Casino game site using Laravel.

Combined various game sites and created my own crypto casino game. Skills and deliverables I have perfectly implemented SEO, game API integration, and various payment integrations.

Casino game site using Laravel.

Combined various game sites and created my own crypto casino game. Skills and deliverables I have perfectly implemented SEO, game API integration, and various payment integrations.

Casino game site using Laravel.

Combined various game sites and created my own crypto casino game. Skills and deliverables I have perfectly implemented SEO, game API integration, and various payment integrations.

Casino game site using Laravel.

13824627
Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

Continuously monitors the currently active 15-minute cryptocurrency market (e.g., BTC 15-minute rising/falling, ideally extending to ETH/SOL). Executes orders on both rising/falling (YES) and falling (NO) price movements during each 15-minute market period. Uses an average bid/discount bid (DCA) strategy to reduce the average transaction cost of hedged exposure to less than $1 (with a configurable target, e.g., $0.96-$0.99). This is sometimes called the gabagool22 strategy. This is the main logic of polymarket.

5-min and15-minute crypto hedge bot

13824625
Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

Here is a simple way to understand it. The bot uses a point system that reacts to each crash result. When the multiplier is below 1.5x, the point increases. When it is above 1.5x, the point decreases. The bot only starts betting when the point reaches a very specific threshold. Reaching this threshold is not easy because it is based on millions of simulations and probability checks. It means the bot must first pass through multiple low results to reach the point where it actually begins betting. This is only a simple explanation. The real system is much deeper and more complex.

Bc.gamecrash Auto Bot

13824621
https://www.veed.io/view/b7515c99-0b21-474c-ad49-5bfa1cc23cba?panel=share https://docs.google.com/document/d/1ZmDM8wyJprFaqsFknNgUycW6tpNkfgJ0LESy9fJprnc/edit?tab=t.0#heading=h.xr1uctwau2qt HIxLO is a simple crypto-based P2P Trading Game where players predict BTC price movements in real-time to earn money. It merges gaming and trading, fostering financial inclusion and transforming digital asset interaction. It was created using Blockchain, smart contract, next.js, mysql, etc

Instant contract game site

https://www.veed.io/view/b7515c99-0b21-474c-ad49-5bfa1cc23cba?panel=share https://docs.google.com/document/d/1ZmDM8wyJprFaqsFknNgUycW6tpNkfgJ0LESy9fJprnc/edit?tab=t.0#heading=h.xr1uctwau2qt HIxLO is a simple crypto-based P2P Trading Game where players predict BTC price movements in real-time to earn money. It merges gaming and trading, fostering financial inclusion and transforming digital asset interaction. It was created using Blockchain, smart contract, next.js, mysql, etc

Instant contract game site

https://www.veed.io/view/b7515c99-0b21-474c-ad49-5bfa1cc23cba?panel=share https://docs.google.com/document/d/1ZmDM8wyJprFaqsFknNgUycW6tpNkfgJ0LESy9fJprnc/edit?tab=t.0#heading=h.xr1uctwau2qt HIxLO is a simple crypto-based P2P Trading Game where players predict BTC price movements in real-time to earn money. It merges gaming and trading, fostering financial inclusion and transforming digital asset interaction. It was created using Blockchain, smart contract, next.js, mysql, etc

Instant contract game site

https://www.veed.io/view/b7515c99-0b21-474c-ad49-5bfa1cc23cba?panel=share https://docs.google.com/document/d/1ZmDM8wyJprFaqsFknNgUycW6tpNkfgJ0LESy9fJprnc/edit?tab=t.0#heading=h.xr1uctwau2qt HIxLO is a simple crypto-based P2P Trading Game where players predict BTC price movements in real-time to earn money. It merges gaming and trading, fostering financial inclusion and transforming digital asset interaction. It was created using Blockchain, smart contract, next.js, mysql, etc

Instant contract game site

13824620
I created a crypto wonderland lottery game site that involves purchasing five-digit tickets and rewarding prizes based on the number of tickets purchased.

Crypto Wonderland lottery game site

13824617
Combined various game sites and created my own crypto casino game. Skills and deliverables I have perfectly implemented SEO, game API integration, and various payment integrations.

Casino game site using Laravel.

Combined various game sites and created my own crypto casino game. Skills and deliverables I have perfectly implemented SEO, game API integration, and various payment integrations.

Casino game site using Laravel.

Combined various game sites and created my own crypto casino game. Skills and deliverables I have perfectly implemented SEO, game API integration, and various payment integrations.

Casino game site using Laravel.

Combined various game sites and created my own crypto casino game. Skills and deliverables I have perfectly implemented SEO, game API integration, and various payment integrations.

Casino game site using Laravel.

4.8 · 5 Reviews
Reviews
User Avatar

Quick-Invoicing System (Point of Sale/POS) for Environmental Testing Lab • $200 CAD

Enthusiastic. Pride in work

Mitch G.

@mgolay

•

Flag of

Red Deer, Canada

•

11 days ago

Share

User Avatar

Admin Dashboard with Subscription System, Payment Integration & Excel Automation -- 2 • ₹16,000 INR

Excellent work delivered. They completed the task exactly as required and within the given timeline. Their understanding of the project requirements and attention to detail was impressive. Communication was clear and prompt at every stage. I am very satisfied with their work and would highly recommend them to others.

Rakesh C.

@rakeshk771

•

Flag of

Jodhpur, India

•

17 days ago

Share

User Avatar

Polymarket Bot Bug Fix – Task Description • $100 USD

Very professional freelancer. They completed the task exactly as required and were very responsive throughout the project. The work quality was excellent and delivered before the deadline. Highly recommended.

Rakesh C.

@rakeshk771

•

Flag of

Jodhpur, India

•

21 days ago

Share

User Avatar

Programador Full Stack para manutenção e customização de site de apostas (Laravel + Vue.js) -- 2 • $400 USD

Muito bom trabalho, recomendo.

Jimy A.

@Jucabet

•

Flag of

Joinville, Brazil

•

28 days ago

Share

User Avatar

Polymarket Market-Making Trading Bot • $50 USD

He fixed a bug in my trading bot that two other developers had been struggling with for days—in just 20 minutes. It was flawless. He has extensive experience in trading, and I highly recommend him to anyone dealing with trading-related issues.

Stanislav Y.

@stanislavy9

•

Flag of

Odesa, Ukraine

•

1 month ago

Share

Experience

Senior Blockchain & Betting Platfrom Developer

Apr, 2021 - Dec, 2023

•

2 years, 8 months

Senior Blockchain & Betting Platfrom Developer | Confidential Crypto Betting Startup

Apr, 2021 - Dec, 2023

•

2 years, 8 months

Integrated backend and blockchain for a crypto-based betting platform with sportsbook-style wagering and provably fair gaming. Designed and implemented wallet systems for crypto deposits and withdrawals with transaction monitoring and confirmation across EVM-compatible networks.

Flag of

Tallinn, Estonia

User Avatar

Rakesh C.

@rakeshk771

 ·

Head Core Team Developer

I had the privilege of collaborating with this team on two separate projects, and I was thoroughly impressed by their technical expertise and professionalism throughout. They demonstrated exceptional proficiency in crypto trading systems and are undoubtedly among the most capable developers I have worked with. They successfully completed a trading bot project that I had struggled with for an extended period, resolving complex issues that three previous developers were unable to address. Additionally, they executed advanced tasks seamlessly, including automating the transfer of Excel data into a web platform and extracting website data back into Excel with complete accuracy and reliability. I highly recommend this team to anyone seeking highly skilled and dependable developers, particularly for projects involving trading bots, automation, or web scraping solutions.

Apr, 2021 - Dec, 2023

•

2 years, 8 months

Blockchain & Crypto Application Developer

Feb, 2019 - Feb, 2021

•

2 years

Blockchain & Crypto Application Developer | Independent Contract (Multiple Crypto Projects)

Feb, 2019 - Feb, 2021

•

2 years

Created web applications and backend services that incorporate blockchain technology for crypto services, including wallet systems, payment systems, and tools for tracking transactions. I handled on-chain transactions and confirmations, and security integrations with Bitcoin and EVM-compatible blockchains. Created secure APIS for crypto deposit, withdrawal, and internal balance management services. I concentrated on fund safety through adequate validation, logging, and transaction verification.

Flag of

kyiv, Ukraine

Feb, 2019 - Feb, 2021

•

2 years

Education

National Technical University of Ukraine 'Igor Sikorsky Kyiv Polytechnic Institute'

2013 - 2017

•

4 years

Degree

Flag of

Ukraine

2013 - 2017

•

4 years

Certifications

P

Preferred Freelancer Program SLA

Freelancer logo US (International) / English
Help & Support

Freelancer

Categories Projects Contests Freelancers Enterprise Innovation Challenges AI Development Membership Preferred Freelancer Program Project Management Local Jobs Photo Anywhere Showcase API for Developers Get Verified

About

About us How it Works Security Investor Sitemap Stories News Team Awards Press Releases Careers

Terms

Privacy Policy Terms and Conditions Copyright Policy Code of Conduct Fees and Charges

Partners

Escrow.com Loadshift Warrior Forum

Apps

Apple App Store logoGoogle Play logo

Registered Users

Total Jobs Posted

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)