Hasip Timurtas
Senior Full Stack Engineer
Senior Full Stack Engineer with a focus on backend development and over 10 years of experience building software from the ground up across different industries. For the past 3 years, I've worked on blockchain projects involving crypto payments, DeFi, wallets, and decentralized systems. I build scalable, high-performance apps with seamless blockchain integration.
About Me
Senior Full Stack Engineer & Blockchain Specialist
I'm a Senior Full Stack Engineer with over 10 years of experience building software from the ground up across different industries. For the past 3 years, I've specialized in blockchain projects involving crypto payments, DeFi, wallets, and decentralized systems.
I've led teams, improved workflows, and worked with microservice architectures. Specialized in TypeScript, I also work with Rust at an intermediate level and continue improving my skills, especially with an interest in the Solana ecosystem. I use modern tools like Web3, Next.js, Docker, Bun, and Cloudflare to deliver fast and reliable systems.
Currently based in Alicante, Spain, I work on advanced DeFi platforms and payment processing systems that handle complex blockchain integrations and high-performance applications.
Experience
Senior Full Stack Engineer
Contributed to a DeFi platform using TypeScript, Bun, and Cloudflare Workers, with full-stack focus on blockchain payments. Verified on-chain payments via BscScan and debugged smart contract issues including event log decoding. Improved smart contract integration with BSC (USDT, ETH, BTC, LTC) and ensured transaction reliability.
Senior Full Stack Developer
My B2B freelance business where I provide software development solutions. Delivered software development solutions for clients in the iGaming and fintech industries. Led a team of 3 to build a payment solution for iGaming, supporting fiat and crypto transactions. Implemented crypto payment integrations with Solidity, Web3, and Metamask.
Development Manager
Managed 4 teams with 22 members across frontend, backend, and QA, driving software development forward. Architected a new framework that boosted team productivity and improved deliverable quality. Implemented NestJS, TypeScript, PostgreSQL, microservices, Docker, CI/CD, logging, and test automation. Built and maintained scalable microservice architecture for game and payment processing.
Lead Developer
Leading a team of 8 developers, focusing on working on a mobile game app, adding features and implementing solutions with the team. Implemented NFTs to manage in-game assets on the blockchain, ensuring player ownership and security. Integrated smart contracts to facilitate asset transactions between players within the game. Led code improvements, balancing leadership and technical work. Promoted to Dev Manager in 5 months.
Senior Full Stack Engineer
Developed and resolved issues for 3 brands and a back-office app, mainly adding new features. Working with projects written with AngularJS, Angular, ReactJS, TypeScript in Frontend and NodeJS, TypeScript in Backend. Working with React Native in mobile and microservices to keep projects independent.
Full Stack Developer
Designing and implementing high-availability and scalable applications surrounded by microservices. Working on test automation tool with NodeJS, Cypress. Working on the frontend with VueJS framework. Working on the backend with PHP, MySQL, LXC containers, Redis, GraphQL.
Full Stack Developer
Developed a cryptocurrency trading bot in collaboration with an investor, focusing on trading strategies and automation. Created web and mobile apps for managing trades and viewing reports. Worked on blockchain development using Node.js and Python, integrating with crypto wallets and exchanges. Built and managed the trading bot logic, implementing strategies and automating trading processes.
Analyst Developer
Worked as an outsourced developer with an Agile team for Turk Telekom, a major Turkish telecom company. Worked in the billing and charging department, responsible for solving customer and system cases, and developing products in the BSCS database (handling data for 15 million people). Developed and maintained an ASP.NET web application for call center workers.
Education
Degree in Computer Technology and Programming
Specialized in software development and computer technology with a focus on full stack development.
Conducted independent research on advanced software development methodologies, culminating in a detailed thesis on optimizing full stack applications for performance and scalability.
Participated in coding competitions and hackathons, gaining practical experience in developing innovative software solutions within time-constrained environments.
Skills & Technologies
Backend
Frontend
Blockchain
DevOps
Database
Mobile & Architecture
Featured Projects
WeFi DeFi Platform
Developed a full-stack DeFi platform with a focus on blockchain payments, integrating both crypto (BSC, USDT, ETH) and fiat gateways. Built scalable, serverless applications using TypeScript, Bun, and Cloudflare Workers.
Gin Rummy Super
Developed an engaging Gin Rummy mobile card game using Cocos Creator and TypeScript, featuring intuitive UI/UX design, seamless multiplayer integration, and NFT functionality to allow players to own and trade in-game assets securely.
Multi-Chain DeFi Wallet
Built a comprehensive DeFi wallet supporting Ethereum and Solana chains with staking, yield farming, and NFT management. Implemented secure key management and seamless cross-chain transactions with intuitive React Native interface.
Crypto Trading Bot
Built a cryptocurrency trading bot using Rust and LightGBM machine learning model to predict market movements based on historical data from Binance. Implemented automated trading strategy with fast execution.
Videoslots iGaming Platform
Designed and implemented high-availability and scalable applications surrounded by microservices. Worked on test automation tool with NodeJS, Cypress and frontend with VueJS framework.
Certifications & Achievements
Certifications
Microsoft Certified Solution Developer (MCSD)
Microsoft - Bilge Adam • Nov 2013
Developing ASP.NET 4.5 MVC Web Applications
Microsoft - Bilge Adam • Nov 2013
Developing Windows Azure and Web Services
Microsoft - Bilge Adam • Nov 2013
Cloud Computing
IBM • Feb 2021
Machine Learning
University of London • Jan 2024
Key Achievements
Microservices Architecture Implementation
Transformed a monolithic platform into microservices, halving deployment times and increasing user engagement by 15%.
User Login Debugging System
Developed a feature that allowed logging in as users in mobile app, significantly reducing debugging time and improving app quality.
CI/CD Pipeline & Testing
Integrated unit and E2E tests with CI/CD pipeline, reducing production bugs by 40% and ensuring faster releases.
Rapid Career Progression
Promoted to Development Manager after only 5 months as Lead Developer due to exceptional performance and leadership.
Get In Touch
I'm always interested in hearing about new opportunities and connecting with fellow developers. Feel free to reach out!