Alexandru-Marian Alecu
Verified Expert in Engineering
Full-stack Developer
Cluj-Napoca, Cluj County, Romania
Toptal member since June 15, 2020
Alex is a highly efficient full-stack developer with 10 years of experience and a passion for technology and entrepreneurship. He has worked on both short- and long-term projects, ranging from startups to fintech at scale. As a team leader for the past three years, he believes that communication and collaboration among all parts of a business are essential for success. Alex enjoys freelancing in dynamic and innovative environments.
Portfolio
Experience
- JavaScript - 9 years
- MySQL - 8 years
- React - 4 years
- Microservices - 3 years
- Integration Testing - 3 years
- Node.js - 3 years
- TypeScript - 3 years
- Team Leadership - 2 years
Preferred Environment
MacBook, Apple, Sequel Pro, Postman, Google Chrome, Amazon Web Services (AWS), Linux, GitLab, GitHub, Visual Studio Code (VS Code), Zoom, Slack
The most amazing...
...development work I've done was teaching a neural network to recognize breast cancer using 3D scans.
Work Experience
Senior Full-stack Developer
Beaverr Territory SRL
- Integrated WhatsApp API with ChatGPT API, to whom I offered context from a database to help leads have a rich experience every hour of the day.
- Developed the real estate platform licitatiibanci.ro that makes it easier for people to find real estate auctions from thousands of legal documents. The platform has 1,000 unique visitors per day and 20,000 email subscribers.
- Contributed to this platform that parses the legal documents using Google Cloud OCR, then uses ChatGPT to extract formatted information from those documents and inserts them in the database.
Full-stack Developer
Toptal Client
- Acted as team leader for a food tech startup based in Seattle. Worked with the tech stack that included React, Node.js, GraphQL, and Neo4j. Increased team productivity by 3x by creating a process for validating tasks quickly.
- Developed an MVP in two months for a platform that aggregates reviews of rental properties using React and Firebase.
- Stabilized and scaled a Puppeteer bot that wasn't working when I joined the project. The bot managed to enter Zoom meetings on your behalf and handle tens of meetings simultaneously after two months.
- Developed the UI in React for on-demand delivery in the Philadelphia area. This included integrations with Stripe, GetSwift, and Mailchimp.
Team Lead | Full-stack Developer
Pentalog
- Served as a team leader for three years in a London-based fintech startup. I was the scrum master and technical reference for a team of six.
- Played a significant role in growing the overall team from four to 26 members in two years by participating in approximately 40 interviews and coaching new people.
- Migrated the back-end monolith to a microservice architecture and redesigned the website, increasing revenue by 400% over two years.
- Exceeded 80% test coverage and wrote top-notch code as a full-stack developer.
- Conducted R&D for libraries and to identify ways to improve our codebase.
- Traveled to London to ensure that the team met a time-sensitive deadline that required us to duplicate the website while keeping part of the shared database.
Full-stack Developer
Pentalog
- Worked for the biggest lens retailer in France with a website that had 50,000 monthly sales and 100,000 daily visits.
- Tracked and fixed bugs using logs from the virtual machines and the Jira board.
- Redesigned the entire website and led the three-month process to do so.
Full-stack Developer
Freelance
- Developed a website that manages security reports for websites for a US client. The back end of the website also schedules the processes that scan for security flows.
- Created a plugin that lets users customize their t-shirts and integrated it with PrestaShop for a Romanian client.
- Implemented a stunning website design for a German client that sells lighting equipment.
Experience
Collateral Management for Banks
http://pentalog.comCollateral Management Platform for Banks
Real Estate Platform
http://licitatiibanci.roEducation
Master's Degree in Business Administration (MBA)
Bábes Bolyai University - Cluj-Napoca, Romania
Bachelor's Degree in Computer Science
Bábes Bolyai University - Cluj-Napoca, Romania
Skills
Libraries/APIs
React, Node.js, AG Grid, Redux Form, Google Maps API, WebGL, Puppeteer, Google Maps, GitHub API, WhatsApp API
Tools
SuperTest, Postman, RabbitMQ, NGINX, Slack, Zoom, GitHub, GitLab, Sequel Pro, ChatGPT
Languages
JavaScript, HTML5, CSS3, HTML, CSS, TypeScript, PHP, Python, GraphQL
Frameworks
Redux, Express.js, Jest, Angular, CodeIgniter, AngularJS, Material UI
Paradigms
REST, Functional Programming, Unit Testing, Microservices, Agile Software Development
Platforms
Linux, Visual Studio Code (VS Code), Amazon Web Services (AWS), Google Chrome, Apple, Docker, Firebase
Storage
MySQL, Redis, Memcached, MongoDB, Neo4j
Industry Expertise
Banking & Finance
Other
Full-stack Development, Integration Testing, Enzyme, Artificial Intelligence (AI), AI Agents, Scrum Master, Team Leadership, APM, MacBook, Agile Leadership, Scrum Coaching, Business Administration, Computer Science, Optical Character Recognition (OCR)
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