04/05/2024 updated

**** ******** ****
100 % available

Senior Full-Stack Developer

Odessa, Ukraine
Odessa, Ukraine

Profile attachments

CV - Oleksandr Oliinyk

Amazon Web ServicesUnit TestingSoftware as a ServiceCloud ComputingContinuous IntegrationDebuggingLinuxDevOpsDjango Web FrameworkAmazon DynamoDBLaravelPostgreSQLMongoDBMySQLNginxNode.JsPayment GatewayRegression TestingAnsibleBlockchainNext.jsTransaction DataTypeScriptData ProcessingReactJSExpress.jsSpring-bootBackendVue.jsStripeKubernetesEthereumSolidityGraphqlWeb3.jsDocker
DynamoDB, AWS, Amazon Web Service, Ansible, back-end, blockchain, cloud computing, CI/CD, data processing, DevOps, Django, Docker, Ethereum, Express.js, GraphQL, Computer Science, Kubernetes, Laravel, Linux/Unix, Linux, MongoDB, MySQL, Next.js, Nginx, Node.js, payment gateway, PostgreSQL, React.js, regression testing, debugging tools, SaaS, Solidity, Spring Boot, Stripe, transaction experience, Typescript, unit tests, Vue.js, Web3, web3.js

Languages

EnglishGood

Project history

Full-Stack Web3 Developer

KEY Difference Media
Achievements/Tasks
Closely collaborated with the product and developer teams to improve the efficiency of the platform by 25%
Development of vault smart contracts and unit tests, deployment scripts using Hardhat, Solidity, Ethers.js, Web3.js Chai, and
Typescript
Developed comprehensive DevOps strategies to ensure reliability and scalability of application
Spearheaded the design and execution of CI/CD pipelines leveraging Ansible and AWS; slashed deployment failures by 60% and
accelerated software delivery by 40% in the cloud computing industry
Integrated the Stripe payment gateway and Venly wallet into the system, enhancing the payment processing capabilities and
providing users with a secure and seamless transaction experience
Directed the achievements of two pioneering blockchain projects, rallying stakeholders for project alignment and success; mentored
and tutored two junior developers, nurturing a culture of perpetual learning and advancement within the team

Senior Full-Stack Developer

The House Of Yaya
Achievements/Tasks
Enhanced front-end applications utilizing Next.js framework, revamped UI components adhering to design system guidelines;
reduced page load times by 40% and solved mobile responsiveness, resulting in a 25% increase in user retention rate
Resolved 15+ critical bugs in the front end using debugging tools and regression testing, resulting in a 40% decrease in customer
complaints and a 25% increase in app stability
Refactored a back-end application by switching to AWS DynamoDB, Dynamoose, Django, and GraphQL stack and re-engineering the
complete architecture to make the code clean, readable and scalablefor specific usage
Orchestrated the integration of PayPal payment feature into the platform, enhancing user experience and increasing customer trust,
leading to a 35% rise in completed transactions and a 20% reduction in payment disputes
Engineered and rolled out innovative cloud-based solutions utilizing AWS and Kubernetes, leading to a significant 40% decrease in
system latency and a 25% increase in data processing efficiency, delivering $50,000 in yearly cost savings

Contact form

Log in to get in touch

You need to be logged in to use the contact form.

Sign upLog in