Jeffery Collins

Jeffery Collins

$49/hr
Full Stack & Blockchain Developer
Reply rate:
-
Availability:
Hourly ($/hour)
Age:
27 years old
Location:
Edmonton, Alberta, Canada
Experience:
7 years
Jeffery Collins Full Stack & Blockchain Developer -Edmonton, AB, Canada Experienced Full stack developer with experience in web development, back-end development, blockchain development and DevOps, proficient in many programs’ language and tools, focused on professional project development through quality software. I am equally comfortable discussing requirements in the language of the business as I am in heads- down coding sprints. I can take hard problems from conception to production, designing the big picture and sweating the details. A lively debater around the planning table and a passionate, agile collaborator, I understand that the team succeeds together. I love programming, prototyping with new technology, and develop the innovatory project. Passionate about writing clean, maintainable code and working collaboratively in a team environment. I have an intellectual curiosity that fuels a fanatical devotion to skills improvement and constant. WORK EXPERIENCE Futran Solutions 11/2020 – 04/2023 Full Stack & Blockchain Developer (Remote) • • • • • • • • Designed and implemented serverless, microservice-architecture SaaS services using AWS API Gateway, AWS Lambda, AWS RDS, AWS Cognito, AWS Amplify, Python, Node, React, and Vue. Collaborated with external programmers to coordinate delivery of 6 new software applications using the scrum-based development combining the TDD, BDD. Developed full-stack web applications which processed, analyzed, and rendered data visually. Designed and implemented database models and drivers using PostgreSQL, MySQL, and Redis, MongoDB, AWS DynamoDB. Participated in 3 NFT Marketplace Development, and played an important core role in development. Implemented the internal functionality for hard fork releases in Solidity to adjust the blockchain to the new changes. Designed and developed a decentralized application (dApp) for supply chain management using Hyperledger Fabric. Collaborated with a team of developers to create a blockchain-based game that utilized non-fungible tokens (NFTs) for in-game assets, resulting in a successful launch and positive user feedback. Blended Labs 05/2018 – 11/2019 Full Stack Developer • • • • • • • Handled the heavy development of 30 embedded JavaScript widgets on third-party publisher sites. Developed a robust testing framework, using Jest and Enzyme, to ensure the platform was functioning as expected and to catch any potential bugs before they reached the end-user. Implemented authentication/authorization mechanism using Auth0 and AWS Cogito. Developed back-end services using Spring boot framework and front-end using Angular as well as Angular JS. Reviewed, analyzed, and optimized server performance by 50%, substituting EJS with React, NodeJS, MongoDB, and Express. Created over 100 web pages using HTML5, CSS3, JavaScript, jQuery, Ajax and Angular.js Used Axios to call web services/APIs to fetch data from back end and render the data-to-data store of Redux. Wrote CI/CD pipelines using Jenkins and set up a zero-downtime structure with Kubernetes and EKS. TechCrunch 10/2016 – 05/2018 Front End Developer • • • • • Build from reusable UI components increases development lifecycle time by 15%. Implementing dynamic reports allow to reduce create static reports by 25%. Resolved 100+critical bugs in the project to improve performance and helped customers launch a seamless experience. Engineered 200+ landing pages in HTML5 and CSS to support mobile and desktop environments (mobile responsive and pixel perfect). Designed, built and automated data flows to save 10 hours of tedious work per week. EDUCATION University of Alberta, Alberta, Canada 05/2012 – 10/2016 Bachelor of Science and Technology — Computer Science SKILLS Languages: HTML, CSS, ECMAScript (ES6), TypeScript, Sass, Python, Bash, Script, GraphQL, SQL Platforms: Amazon Web Services (AWS), DockerKubernetes, Amazon EC2, Linux, AWS Elastic Beanstalk Libraries: Node.js, React, Vue, Web3.js, Firebase, Web SDK, D3, Sockets, HTML5, Canvas, Redux-Saga Frameworks: Next.js, Bootstrap, Redux, MUI (Material UI), JSON, Flask, Django, Jest, Express Tools: Visual Studio, Apache Airflow, Mocha, Tmux, RabbitMQ, GitHub, GitLab, Jenkins, Jupyter, NGINX, Git, Asana, Jira, Prometheus, AWS CloudFormation, Amazon EKS Paradigms: Agile Software Development, REST, Unit Testing, Microservices Architecture, Responsive Layout, Web Application Architecture, Continuous Integration(CI), Continuous Delivery(CD), Test-driven Development (TDD), Behavior-driven Development (BDD), MERN Stack Storage: MySQL, PostgreSQL, MongoDB, Redis, SQLite, AWS, DynamoDB
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