Solidity Developer

Senior Blockchain Engineer

accomplished blockchain engineer with 10 years of full-stack development experience, specializing in the design, development, and deployment of scalable blockchain solutions. expert in creating robust decentralized applications (dapps) using ethereum, solana, solidity, rust and modern web technologies. proven track record of leading cross-functional teams in developing high-impact projects that enhance business operations, reduce costs, and improve user experience. possesses a deep understanding of blockchain architecture, smart contracts, and consensus algorithms, coupled with hands-on skills in front-end and back-end development. agile in adopting new blockchain technologies and frameworks, demonstrating advanced proficiency with tools such as truffle, hardhat, and react.js/typescript, next.js, express.js, mongo db. exceptionally skilled in optimizing blockchain applications for performance, security, and scalability. dedicated to leveraging a comprehensive background in both blockchain and traditional web development to drive innovation and efficiency in next-generation decentralized applications. adept at articulating complex solutions to non-technical stakeholders, facilitating strategic insights and fostering collaborative team environments. committed to pioneering advancements in blockchain technology to realize tangible results in various industry sectors, including finance, healthcare, and supply chain.




Experience: 6 years

Yearly salary: $100,000

Hourly rate: $40

Nationality: πŸ‡ΈπŸ‡¬ Singapore

Residency: πŸ‡΅πŸ‡­ Philippines


Experience

senior solidity engineer
futureverse
2021 - 2024
led the design and deployment of over 30 smart contracts for various applications, including decentralized finance (defi), automated market making (amm), and non-fungible tokens (nfts), managing total locked values exceeding $100m. developed a custom layer-2 scaling solution that reduced transaction costs by up to 70% and increased transaction throughput by 5x without sacrificing security. wrote, tested, and deployed robust, secure smart contracts using solidity. leveraged frameworks such as truffle and hardhat for end-to-end smart contract management. integrated smart contracts with front-end interfaces using web3.js and ethers.js libraries. continuously optimized and audited existing smart contracts and related systems for gas efficiency and improved performance. conducted periodic stress tests to ensure system reliability under high transaction loads. collaborated closely with the product management and ux/ui design teams to ensure that the blockchain solutions met user needs and provided seamless user experiences. regularly communicated technical details to non-technical stakeholders to aid strategic decision-making. led research and development efforts exploring upcoming blockchain technologies and potential applications, such as proof of stake (pos) consensus mechanisms and interoperability solutions between different blockchains. spearheaded the development of a decentralized lending platform that integrated multiple cryptocurrencies, featuring an algorithmic interest rate model which dynamically adjusted rates based on market conditions, effectively increasing platform liquidity and user adoption by 40%. created and launched an automated liquidity protocol that provided users with optimal yield farming strategies, resulting in a 50% increase in user base within the first six months of launch. architected an nft platform focusing on digital art, which handled over 10,000 transactions per month with expanded functionalities including auction mechanisms, royalty distributions, and advanced metadata management.
senior blockchain engineer
immutable
2018 - 2021
focused on the development of immutable x marketplace, a web3-enabled platform where users can securely buy/sell gaming nfts. charged with e2e feature delivery, architecting, and implementing both front and back-end components for new features and validating functionality with pm and ux teams after features had been shipped. co-maintained a weekly delivery cycle within a team of nine front- and back-end developers, designers, devops engineers, and a product owner, keeping up with daily standups, weekly sprints, deployments, sprint planning. mentored a junior front-end developer coming out of typescript code camp into next.js development with graphql api, maintained regular pair coding, code reviews, and teaching by example, learning a lot through the process myself. architected and developed react frontend applications and restful api with node.js, express.js, mongodb. created an automated ci/cd pipeline for one of the services on code push. the pipeline runs unit tests, e2e tests, and code quality tools and build trigger, producing a deployable artifact automatically deployed to the azure cloud. collaborated code reviews and supporting qa teams and effectively resolved production issues. shipped and monitored the application through different release stages.
senior full stack engineer
sprint
2015 - 2018
designed and developed restful web services that handles all e-wallet transactions using nodejs, express.js. generated queries using kibana and coded queries using elastic search npm, node to fetch kpi data from nosql elastic search. displayed kpis on frontend as graphs using react and d3.js. developed reactive ui pages for campaign scheduling using react. used express.js to connect node.js to database mongodb and wrote schema developed spa application with react, redux. created frontend unit tests using mocha for react action methods and reducers helped qa create tsql tests druing swarming sessions to meet sprint deadlines agile methodology. participated in commitment, retrospective meetings relating to the assigned stories.
full stack developer
eventx
2013 - 2015
leveraged ui expertise in angularjs to troubleshoot existing ui issues and develop new user-friendly forms. rewrote tons of stuff from jquery and legacy coffeescript code to vanilla javascript. optimizedthe data access layer, reducing its size, resulting in a 13% improvement in data retrieval performance and reductionin database load times. consolidatedmultiple bl(business logic) class libraries into a single reusable library, reducing maintenance effortsand improving code reuse. enhanced user experience (ux) with angularjs, html5, and css, resulting in a 22% increase in user engagement and a 17% improvement in user retention. implemented a real-time messaging service using sql and asp.net, facilitating seamless communication between users during live sessions.

Skills

backend
blockchain
blockchain-engineer
c-sharp
dot-net
ethereum
ethereumjs
front-end
full-stack
full-time
java
javascript
nestjs
nextjs
node
polygon
react
rust
solana
solidity
typescript
web3js
english