Borislav Yordanov
Verified Expert in Engineering
Full-stack Developer
Borislav is a full-stack developer and certified AWS and Twilio engineer experienced as a team lead, DevOps engineer, and consultant for big data projects. He enjoys participating in all aspects of software development, from analyzing product requirements to developing a high-availability project. Borislav specializes in cloud computing, real-time communication, high-availability systems, and web development using React and TypeScript.
Portfolio
Experience
Availability
Preferred Environment
Linux, MacOS, JetBrains, WebStorm, IntelliJ IDEA, iOS, OpenAI GPT-3 API, ChatGPT
The most amazing...
...project I've worked on is medical software that helps medical professionals to diagnose patients early and prevent severe conditions and diseases.
Work Experience
PHP/Twilio Developer
HOME NATION.COM LLC
- Launched self-managed call center software that runs with 100% uptime.
- Increased answered incoming calls by over 25% in less than five months.
- Build a solid, stable, and scalable solution. The project has been bug-free for over two months.
Full-stack Team Lead
Hommz Technologies Ltd
- Managed team task definitions from the product department.
- Helped improve team progress pace and assisted with everything necessary to ensure a smooth working process.
- Assisted developers with task development, complex issues debugging, and development lifecycle improvements.
- Played a major role in defining and executing DevOps, improving the overall code review and deployment man-hours to a minimum.
- Created a fully automatic "Code review" -> "CI" -> "CD" workflow.
Twilio Expert
Nuance Languages, LLC
- Registered for a A2P 10DLC campaign with Twilio to meet US regulations.
- Reached 100% message deliverability for the configured campaign.
- Improved message quality and delivery standards and applied carrier requirements.
- Investigated the reason for SMS messages not arriving.
Full-stack Developer
Berlin Bytes GmbH
- Built a scaling headless eCommerce platform built with Next.js on top of a Magento 2 back end.
- Developed a responsive web app that supports all devices, from small mobile phones to 5K desktops.
- Oversaw back-end development and GraphQL integration.
- Managed the Magento 2 product, cart, and order integration.
Senior Full-stack Developer
NFT Guru
- Joined the startup and learned how quickly startups change to find their niche, for example, from selling clothes and accessories to selling NFTs.
- Created my first smart contract on the Ethereum network and understood the EIP-20 and EIP-721 standards.
- Used React, GraphQL, Next.js, Azure Cosmos DB, Cryptouch, and many more.
Technical Team Lead
Scopic Software
- Served as the Twilio certified engineer and an expert providing guidance or advice about Twilio services in a company of 300+ people.
- Led the team that created an internal real-time communication tool from scratch, joined projects to fix problems and get them back on track, and learned how to quickly adapt to a new team and manage time.
- Collaborated with one of the biggest tech companies in Germany to create software that tracks a real-time racing competition.
- Contributed to software for the medical industry in the UK.
- Acted as an expert for AWS cloud architecture advising university professors.
Senior Software Developer
Scopic Software
- Joined a rapid development project, met tight deadlines, and became a team leader in just two months.
- Tracked team progress, managed tasks and estimations, and reported to stakeholders.
- Developed a high availability chat engine based on AWS ECS, Node.js, and Redis.
Lead Full-stack Developer
Dream Studio Ltd
- Contributed to multi-tenant eCommerce SaaS applications that ran with 99.999% uptime.
- Created over a dozen eCommerce websites, some selling over 10,000 available products.
- Reconsidered some fragile rules about customer agent coordination.
- Played a significant role in the whole process, from the discovery phase of the technical assignment to the final delivery stage.
Experience
Dreamshop.io
http://dreamshop.ioIt was my first startup project where I acted as the lead developer from the day it started in 2014 until 2018.
Headless B2B Agrar eCommerce Platform
I oversaw the back-end development and GraphQL integration. My work also included the Magento 2 product, cart, and order integration.
Real-time Sail Yacht Tracking and Racing App
Voice Chat and Video Communication Tool
Skills
Languages
PHP, JavaScript, TypeScript, HTML, CSS, SQL, PHP 5, PHP 7, XML, HTML5, CSS3, GraphQL, Less, SCSS, C++, Java, Rust, Python
Frameworks
React Native, Next.js, Express.js, JSON Web Tokens (JWT), Redux, Symfony, Laravel, Tailwind CSS, Bootstrap, Django, Jest, Material UI, Angular, Electron, NestJS, CodeIgniter
Libraries/APIs
Node.js, React, REST APIs, jQuery, Vue, Stripe, Stripe API, WebRTC, Facebook API, Google Ads API, Twilio API, Web3.js, Socket.IO
Tools
Amazon Elastic Container Service (Amazon ECS), AWS CloudFormation, Amazon ElastiCache, JSX, AWS SDK, Amazon Simple Queue Service (SQS), Auth0, NPM, Figma, GitHub, Stripe Checkout, Git, AWS Step Functions, React Apollo, JetBrains, WebStorm, IntelliJ IDEA, Terraform, Twilio Programmable Video, Amazon CloudWatch, Amazon CloudFront CDN, Amazon Cognito, RabbitMQ, Jira, Prisma
Paradigms
REST, Microservices Architecture, Microservices, Application Architecture, DevOps, Mobile Development, Serverless Architecture
Platforms
Twilio, Amazon Web Services (AWS), AWS Lambda, Docker, Amazon EC2, Linux, MacOS, iOS, Vercel, Ably, Kubernetes, Shopify, Android, Magento API, Magento 2, Blockchain, AWS ALB, Azure
Storage
Amazon DynamoDB, NoSQL, Relational Databases, MySQL, Databases, JSON, Redis Cache, Redshift, PostgreSQL, Elasticsearch, Amazon S3 (AWS S3), Amazon Aurora, Azure Cosmos DB, MongoDB, MariaDB
Other
SaaS, Multitenancy, Full-stack, Content Management Systems (CMS), WebSockets, UI Development, Cloud Infrastructure, APIs, Architecture, Consulting, Mentorship, Web Development, Caching, Session Handling, eCommerce, Marketplaces, Distributed Systems, Back-end, Remote Team Leadership, API Integration, Code Review, Full-stack Development, Technical Leadership, Software Architecture, SMS, Minimum Viable Product (MVP), Web Security, Real-time Communication (RTC), System Architecture Design, AWS Cloud Architecture, Data Scraping, Front-end, Enterprise Systems, OAuth, Responsive Web Apps, Serverless, CTO, Mobile App Development, Technical Architecture, Leadership, Team Leadership, Cloud Platforms, Estimations, Technical Consulting, Cloud Architecture, System Design, Payment APIs, Messaging, Multimedia, ChatGPT, Team Management, CI/CD Pipelines, Big Data, VoIP, Medical Software, Wireless Communication, Apollo Server, Web 3.0, Non-fungible Tokens (NFT), Cryptocurrency, Multicast, App Store, Google Play Store, Subscriptions, Subscription Processing, Stripe Subscriptions, Apollo, Amazon RDS, Responsive Design, User Interface (UI), Decentralized Finance (DeFi), Transmission Control Protocol (TCP), UDP, Near-field Communication (NFC), Monorepos, OpenAI GPT-3 API, AWS Certified Cloud Practitioner, AWS Certified Solution Architect, AWS Certified Developer, Startups, tRPC
Certifications
AWS Certified Solutions Architect - Associate (SAA)
Amazon Web Services Training and Certification
AWS Certified Developer - Associate (DVA)
Amazon Web Services Training and Certification
AWS Certified Cloud Practitioner (CLF)
Amazon Web Services Training and Certification
Twilio Certified Developer
Twilio
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