I have been specialized in blockchain development for 5 years and have experience in full stack web development for 8 years.
I love challenges and very sensitive to new techs
I am open to work and summarized my experience/skills below:
- Portfolio: https://davechan.netlify.app/
1) Smart contract development in Ethereum & EVMs like Binance, Polygon, Fantom, Avalanche, Solana.
- Writing / Auditing Smart contract with solidity and unit test / deploy / verify / analyzing with hardhat, truffle, Remix.
- Great expertise about ERC20, ERC721, ERC1155 openzepline libs and standards
- DeFi protocols: staking / vesting / yield farming, liquidity pool, crypto exchange, cross-chain-bridge and DEX router SDKs like uniswap, pancakeswap, spookyswap, sushiswap.
- NFT marketplace, NFT minting / staking on all EVM chains
- Lottery / Raffle /Auction
2) Dapp development in frontend / backend / web3 / API integrations
special langs: React.js, Next.js, Node.js, Express.js, Typescript, web3 / ethers.js, TailwindCSS, ABI / json and DB programming languages like MySQL, Postgresql, subgraph and webpack, Restful API
I am always focusing on development, maintenance, problem-solving and team work collaboration
Experienced professional in software development projects, DevOps, servers, networking, cryptocurrency, sales, support and marketing. Problem solver and proactive leader.
Constantly learning new technologies and work methodologies. Has in-depth knowledge of the best technologies for businesses and new projects. Obtains results fast without sacrificing quality.
Team player. Enjoys a good challenge and tries new technologies.
In-depth Cryptocurrency and Internet Marketing experience creating applications for different business needs.
Enjoys programming, as well as working on small projects like Rasperry Pi customizations.
I have been working actively in the DeFi space for 3 years and have led teams to build AMM based perpetual products, Smart contracts for DOV’s and Structured Financial Products while collaborating with business and finance teams in architecting high functioning on-chain protocols.
I have also developed all the monitoring apps for these SMs based on Graph, Typescript and Golang.
I have been working as a Software Engineer for 7 years. I love to build things from scratch and have done this in the past many times in Python, Golang, NodeJS. I have also led teams in creating apps in these languages.
I have extensive experience in databases like MySQL, Postgres, MongoDB and cloud providers like DO, AWS and GCP.
• Blockchain Developer with 8+ years of software development experience
• Proficient in Smart Contract design, development, and deployment.
• Hands-on experience in ERC20, ERC 721/1155 token standards, and token development on EVM chains like Ethereum & Polygon.
• Familiarity with enterprise blockchain solutions, consensus algorithms, and P2P networks
• Excellent knowledge of blockchain use cases like Cryptocurrency, Smart Contracts, Wallets, Digital Assets, Tokens, Decentralised Finance, NFT, NFT Marketplace, asset bridges, Oracles, and ZK protocols.
• Expertise in cryptography, digital signatures, hashing, contract security, and gas optimisation.
• Skilled in databases like MySQL, Hive, Google BigQuery, S3, and IPFS
• Web 3 libraries like Web3.js, Ethers.js, matic.js, Alchemy SDK, Polygon zkEVM
• Front-end tech like HTML/CSS, JS, React JS , Backend tech like Node JS.
• Integration libraries like Openzeppelin, Chainlink, Opensea, Infura
• Cloud services like AWS, Amazon Managed Blockchain, Microservices
• Tools like Docker, ChatGPT, GitHub and Unix
I am a skilled Blockchain Architect and Full Stack Developer with extensive experience in working with Blockchain fundamentals, smart contracts, consensus algorithms, and various Blockchain protocols including DeFi, NFT, MLM, and DAPPs. My expertise includes Golang, AWS Lambda, API Gateway, Dynamodb, Serverless, ElastiCache, S3, EC2, Cognito, SES, SNS, Localstack, Nest JS, Tronweb/Web3 JS, Solidity, ERC20, ERC721, ERC1155, Eth, BNB, TRX, RabbitMQ, Redis, Docker, Electron JS, Angular 10, Node JS, Typescript with Express JS, Socket.io, LAMP, Heroku, and MongoDB, MySQL, React JS, Firebase, and Firestore.
I'm Len, I've been a software engineer since 2010. My most recent work has been focused on creating internal tools and dashboards for my former company. I'm eager to join a Web3 team to grow more in the field. I've worked with various languages and libraries over the years from ActionScript and Flash to Graph Databases and Web Components. I love learning new technologies which is why I fell in love with crypto.
So, here are my strengths:
I've been doing development for five years now
I know my way around common frameworks like Spring, MyBatis, Spring Boot, Spring Cloud, and Netty
I'm familiar with RESTful standards and all things related to microservices
When it comes to development tools, I'm pretty good with IntelliJ IDEA, Git, Rap2, and Postman
I'm no slouch when it comes to using message middleware such as Redis and Kafka, and relational databases like MySQL either
I'm also quite handy with Linux commands and Docker, and I can set up a complete cloud-native platform. I even know a thing or two about Kubernetes!
I've got some knowledge in blockchain, DApp Web3j, and Aptos Move as well
My communication skills are on point, and I'm always eager to learn more. Plus, I'm pretty self-motivated and I take pride in my work.
How does that sound?
I’m a self-motivated, creative full-stack blockchain engineer with 9+ years of experience in web and
mobile application development and 3 years in developing robust, scalable and efficient smart
contracts, web3 applications for the blockchain industry, using latest and most appropriate standards.
I feel that my skills and experience are a great fit for this position.
Below is a short description about my profile
- Having 9+ years of Experience in Full-stack Software development and blockchain application development
- Developed Web3 DeFi, Metaverse and NFT Applications on Ethereum,polygon, binance,Harmony, and Klaytn using Solidity and Web3.js
- Developed Web Based Application using .net core 3.0, SQL , MVC, Angular 11.x, React, Vue JS,Node,nextJS, and AWS
- Developed Mobile Based Application using frameworks like Ionic and React-Native.
driving innovation and positive change. With a proven track record of completing tasks on time and exceeding expectations, I'm confident in my ability to make a valuable contribution to any team.
Hey, nice seeing you here! Here's some of my story:
I've been developing NFT products for Big Head Club, a company founded by Mack Flavelle. Worked as a Full-stack Developer, but mostly dealing in the web2 side of things (front-end, serverless functions, databases if needed), while interacting with smart contracts through libraries such as ethers.js, wagmi and providers such as Alchemy and Infura. Did contribute code reviews, architectural considerations and a little code to the Solidity side of things though.
# In the past
I've been a Full-stack Developer in, and eventually lead of, a compact and efficient team at a SaaS company which serves Brazil's biggest franchises, such as Burger King and Stone. I've helped the company more than double its MRR two years in a row, spearheading development of chat systems, ticketing systems, checklist and data visualization apps, all while mentoring junior developers, implementing CI/CD automation and creating reliable cloud infrastructure.
Experienced Game/Mobile/Blockchain Developer adept in all stages of advanced development. Able to
effectively self-manage during independent projects, as well as possess excellent analytical skills and the
ability to work in a team environment. Proficient in Unity, C# programming language, game physics, and
mechanics. I am also comfortable working with many languages and platforms and has dedicated myself to
developing frontend and mobile app using React and React Native as well as developing back-end
applications using Node.js, Express.js, and MongoDB. Also, I am recently dedicating myself to developing
blockchain and Metaverse game using Solidity, React.js, Node.js, Web3, Unity and C#. I have rich experience
with blockchain technology and a master's degree in applied mathematics.
As a highly experienced senior backend engineer with a focus on cryptography and a passion for delivering quality software, I have over seven years of experience in developing, testing, and maintaining back-end applications using languages such as TypeScript, Golang, Java, and C#. I am goal-oriented, customer-obsessed, and possess exceptional problem-solving skills, making me a valuable asset to any team. With a background in property management and blockchain industries, I have contributed to projects used by thousands of users, including projects with the Brazilian government. As an aspiring to be a Web3/Blockchain developer, I am eager to leverage my skills and expertise to develop innovative solutions that align with the latest industry standards and trends.
As an experienced Blockchain Developer and Smart Contract Auditor, I have a proven track record of creating innovative solutions using cutting-edge technologies. With a strong background in software development and a deep understanding of blockchain technology, I have conducted numerous smart contract audits and resolved security issues for various companies.
My 6+ years of experience enabled me to build secure and scalable blockchain solutions that meet the unique needs of my clients. I have worked with various blockchain networks, including EVM chains (ETH, MATIC, BNB, AVAX, FTM) + Layer 2s, and Cardano.
I am committed to staying up-to-date with the latest trends and developments in the blockchain industry, and I am always eager to learn and grow in my field.
As a self-motivated individual with excellent problem-solving skills, I thrive in a collaborative team environment, and I am dedicated to delivering high-quality work that exceeds expectations.
I am Lead Solidity developer with four years of experience in development and three in Blockchain. I have an array of expertise within the Ethereum environment like decentralized finance, NFT, and mining protocols. I've built several products within the space, such as an automated off-chain trading engine and two NFT apps on Ethereum. I am constantly learning about new best practices and design patterns in the Solidity space, which I use every day.
I'm a self-motivated and enthusiastic senior full-stack software developer with a decade of years of experience in developing web, desktop, and mobile applications using React, Next.js, React Native, Node, TypeScript, PHP, MongoDB, MySQL, AWS, etc. I have extensive knowledge of building large-scale front-end & back-end components for complex REST APIs that utilize cloud-based solutions. Currently, I am seeking a full-time position, where I can leverage my problem-solving skills to build meaningful software products. My main interests lie in software development in Fintech, eCommerce, Real Estate, Sports, etc & Blockchain (DeFi, NFT, DAO projects), team collaboration tools, and new technologies like artificial intelligence.
I am Mohammed Yasin, and I am a Rust and Golang developer with over 4 years of experience in software development. I have always been passionate about programming, and I love the challenge of creating complex software systems that solve real-world problems.
I have extensive experience in designing, developing, and maintaining software applications using **Rust and Golang**. I have worked on a variety of projects, including **web development, blockchain development, and software tooling** and also in blockchain development worked on **Web3, dApps, ZK Systems**. My technical skills include proficiency in **data structures and algorithms, system design, and software architecture**
In addition to my technical expertise, I am a **strong communicator** and **a collaborative team player**. I believe in working closely with other team members to achieve project goals and deliver high-quality software solutions. I am always eager to learn and grow as a developer, and I keep up-to-date with the latest trends and technologies in the industry.
I am excited about the opportunity to bring my skills and experience to a new challenge and to make a positive impact in the software development community.
Hi, my name is Davi and now I working with Web3 Projects as a freelancer. I study Information Systems in Federal University of Santa Maria in Brazil where I learn to develope in Python, C, MySQL. In the moment, I looking for a full-time job opportunity in Web3 as a software enginner.
Thank you for the opportunity to apply for software developer role at your company. After reviewing your job description, it’s clear that you’re looking for a candidate that is extremely familiar with the responsibilities associated with the role, and can perform them confidently. Given these requirements, I am certain that I have the necessary skills to successfully do the job adeptly and perform above expectations.
Here are my best previous works.
I am a quality-oriented professional who has been consistently praised as hard-working by my co-workers and management. Over the course of my 6-year career, I’ve developed a skill set directly relevant to the blockchain developer role you are hiring for, including e-commerce, real estate, social media platforms, fintech, enterprise-level websites, etc. Overall, I have consistently demonstrated leadership, creative thinking and teamwork abilities in every aspect of my web developer role at PicnicHealth, and I invite you to review my detailed achievements in the attached resume.
After reviewing my resume and my website, I hope you will agree that I am the type of competent and competitive candidate you are looking for. I look forward to elaborating on how my specific skills and abilities will benefit your organization. Please contact me at +1 825 800 0497 or via email at to arrange for a convenient meeting time.
Thank you for your consideration, and I look forward to hearing from you soon.
I'm an engineer and driven entrepreneur with a wealth of knowledge in programming languages and development tools, I am always seeking new challenges and opportunities to stay ahead of the curve in the ever-evolving world of technology. With a particular interest in emerging areas such as Blockchain, Web3, and E-Commerce, I am constantly exploring ways to build innovative products and solutions that push the boundaries of what is possible.
With a proven track record of success in the technology industry, I have developed a deep understanding of the complexities and nuances of software development, project management, and team leadership. I am always striving to stay ahead of the curve, embracing new technologies and emerging trends to ensure that I am always delivering value and driving growth for clients and stakeholders.
I am a senior software engineer with an 8+ year of experience in software development and product management.
I had chances to work as a full-stack developer, lead developer, technical project manager, technical consultant, product manager and DevOps/SRE engineer wearing different hats.
A seasoned developer with extensive experience in Golang and Solidity, I possess a strong background in web services, cloud providers, and virtualization, while boasting an unwavering passion for web 3 and blockchain technologies.
**Highlighted Blockchain Experience:**
- Proficient in Solidity programming language for smart contract development
- Worked on various blockchain projects, including:
- Developing smart contracts using Solidity
- Integrating with Gnosis Safe contracts
- Creating Snapshot proposals
- Skilled in front-end UI development using Vue.js/Nuxt.js/Vuetify
- Experience using Cosmos-SDK for building blockchain applications
- Web services development and integration
- HTTP/REST/RPC/WS protocols
- Relational and non-relational databases (e.g., PostgreSQL, Mongo, Redis, Clickhouse)
- Message brokers (RabbitMQ, Kafka)
- Cloud providers (GCloud, AWS)
- Virtualization (Docker, Docker-compose)
- API development and integration
- Developer tools (Postman, Swagger, Git)
- Highly communicative and adaptive team player
- Consistently delivers high-quality code on time and within budget
I am an experienced Full Stack developer with over 4 years of experience building web, mobile, blockchain, and smart tv platforms.
My core skills include Node.js, React, Next.js, MongoDB, Google Cloud, React Native, and Solidity. I have developed more than 6 different platforms as a full-stack developer, showing my ability to manage responsibilities and make strategic decisions for the project. I also have additional skills in SEO, eCommerce, agile methodology, and project management.
I work exclusively as a remote developer and am passionate about creating innovative and successful solutions for my clients. I am looking for exciting projects to use my skills to help companies achieve their goals.
I remain available for any questions and wish you a pleasant day ☀️
Senior Full-Stack Developer with over 9 years of experience in designing, developing, and deploying scalable web
an emphasis on creating dynamic user interfaces and efficient server-side logic.
Proficient in a wide range of related technologies, including Reactjs, TypeScript, Angular, Vue, Nextjs, Nodejs, django,
ChatGPT, Microservice, GraphQL, AWS, Docker and CI/CD.
Proven ability to work independently and within a team environment to meet project deadlines and exceed customer
expectations with strong communication and team collaboration skills.