devmaniac

Senior Blockchain And Full Stack Developer

Senior Full-Stack/Blockchain Developer with various web back-end & front-end languages/frameworks and blockchain technology with over 10 years of experience. Passionate Blockchain developer who has excellent understanding of Blockchain Technology, and experience with Solidity Smart Contract and DApp Development.


Experience: 2 years

Yearly salary: $100,000

Hourly rate: $30

Nationality: 🇺🇸 United States

Residency: 🇺🇸 United States


Experience

Senior Full Stack Developer
Vertical Ventures
2015 - 2023
Developed a real-time chat application using Node.js and Vue.js enabling seamless communication among 500+ concurrent users. Implemented serverless architecture using AWS Lambda functions and API Gateway to handle high-traffic events, resulting in a cost reduction of 40% and improved scalability. Developed an internal order management system using MERN stack, improving scalability and compliance with deadlines by 97%. Optimized the performance of a Node.js application by implementing caching mechanisms and reducing database queries, resulting in a 50% reduction in response time. Developed a serverless image processing service using AWS Lambda and S3, allowing users to upload and manipulate images with minimal latency. Designed and implemented a serverless data processing pipeline using Node.js, Vue.js and AWS Lambda, handling large volumes of data and generating real-time insights for analytics purposes. Developed an email interface that sent software updates to 1200+ user group members using Node.js and Vue.js. Collaborated a team of 16 engineers in creating an online store for members, which generated $105K quarterly revenue for the company. Patched bugs in a 3rd party software by studying the design principles and removing 20K stray lines of code. Developed an e-commerce store for the company’s Gold Club members, generating $79K annual revenue Created 17+ Node.js and PHP-based websites with outstanding content, layout, and functionalities, reducing bounce rate by 5.5%
Full Stack Developer
Seven Lakes Technologies
2012 - 2014
Developed web application backend components using Node.js, JavaScript, PHP, and Java. Collaborated with 30+ clients to understand their unique needs and exceeded expectations. Enhanced data protection and security using Node.js, JavaScript, PHP, and Python.Achieved a 24% increase in overall security rate, establishing trust and confidence in users. Managed expansive databases with Node.js and PHP. Optimized performance and reduced software maintenance expenses by 15% in 12 months. Used PHP and Python for tailored web solutions, meeting and exceeding client expectations. Strengthened data protection using Node.js, JavaScript, PHP, and Java, resulting in a 24% increase in overall security rate. Optimized database performance with Node.js and PHP, reducing software maintenance expenses by 15% in 12 months.
Full Stack Developer (Internship)
Total Networks
2010 - 2012
Meticulously honed HTML, CSS, and JavaScript skills to craft visually stunning and interactive web solutions. Applied practical knowledge of dynamic PHP and Java technologies in real-world projects, delivering robust and scalable web solutions tailored to client needs. Became a Git expert, streamlining collaboration and code management for efficient team workflows. Delved into the realm of practical application, working with JavaScript, jQuery, CSS, and Bootstrap to create visually appealing and interactive website designs. Utilized PHP and Java to develop dynamic web solutions, gaining hands-on experience in delivering scalable and customized applications. Mastered Git for streamlined collaboration, efficient code management, and seamless navigation of complex development workflows.

Skills

angular
backend
ethereum
front-end
full-stack
laravel
nestjs
nextjs
python
react
rust
solidity
web3
english