Leonard Lepadatu
Verified Expert in Engineering
Software Developer
Leonard is a software architect and senior full-stack developer with over 28 years in the software industry. This allows him to quickly understand and translate the client's needs from functional to technical specifications to product design and development. He worked for HP, Groupe HN, Natixis, Airbus Defence and Space, Bayer, Murex, Safebridge, Enel, Airbnb, Boeing, Zurich University, Nati, United Nations, Lennar Corp, etc.
Portfolio
Experience
Availability
Preferred Environment
Linux, Docker, Visual Studio Code (VS Code), Full-stack Development, Full-stack, D3.js, React, Node.js, Next.js
The most amazing...
...project that I've architected was MyEnel, which eases the B2B and B2C energy contracting experience for more than two million users monthly.
Work Experience
React Developer
Lennar
- Fixed the logic of the data visualization application running on large screens or resolutions.
- Tracked and fixed bugs with Jira and Kanban and cross-reviewed code.
- Implemented data visualization widgets using D3.js and fed them using a back-end Express.js API that caches Snowflake queries.
UX/UI and Data Visualization Full-stack Developer
Brandwork Studio Ltd
- Developed a web app for management of the Peoples' Climate Vote for the United Nations and Oxford University.
- Managed the project using Jira and Bitbucket and deployed it on AWS EC2.
- Met client expectations with over 400,000 visits every month.
Engineering Manager
Codebit
- Developed the front end of a management platform for a US company that is used to monitor and analyze live data from the mining fields.
- Wrote user stories, led scrum meetings and interviews, met stakeholders, tracked incident metrics like MTBF, MTTR, MTTA, and MTTF, and wrote code.
- Oversaw the deployment process and helped the client organize the testing process to efficiently accomplish the delivery phase and report bugs.
Senior Front-end Developer
Codebit
- Developed the platform's front-end used by US mining companies to acknowledge and manage the information from the mining fields' machinery.
- Developed React components and containers. Solved bugs and tracked them using Scrumban in Jira.
- Refactored React class components to functional components using React hooks.
CTO
Mile Technology DWC LLC
- Created the first-in-the-world full flight cabin simulators for DAT Center, including simulator projects: the 777/A330 (EVAC system), a business jet with 6deg of a liberty motion system, and the A320/B737 with 6deg of a liberty motion system.
- Designed and developed all systems platform architecture (hardware and software): the visuals system for real-time simulation of all cabin windows and the cockpit view as well as FDM model software.
- Built a module for linking E2M's motion platform host and AB's PLC with Mile Technology's iOS.
- Implemented a module for recording/playing flight missions, a module for flight analyzing flight scenarios models, an iOS for A320/B737, and a business jet (multiple models);
Software Manager
Skye Engineering
- Developed simulation software for aircraft pilot training for various aircraft companies such as Boeing, CAE, and Airbus.
- Worked on UPRT, rehosting of advanced instructors operating stations for Boeing 767.
- Implemented the EET integration on Rediffusion for Boeing 747 using C and C++.
Senior Full-stack Architect
Fullscreen Digital SRL
- Designed and developed two projects: the Enel (MyEnel) platform and a large business marketing platform.
- Worked on Enel's platform architecture which included building authentication and authorization modules, setting workers for MyEnel to synchronize the web nodes with Enel's ERP through Tibco gateway, and making React components.
- Created LBM's React components and developed and architected the async Bull queues system; also developed the PWA.
Engineering Manager
RomIT
- Led a small full-stack team for developing international web projects for Airbus Defence and Space, Bayer AG, and Zurich University.
- Managed a four developers team in agile mode to accomplish all company projects. Migrated all company projects from subversion to Git. Implemented Jira for all company projects.
- Architected and developed scenario management for an internal project at Airbus Space and Defence.
- Developed JavaScript modules for Dundas BI at Bayer AG.
- Created and developed the simulation app game for testing egocentrism in small or large companies' teams at the Psychology Department of Zurich's University.
Team Leader
Group HN
- Led a software developers team and developed complex web application projects for important clients like Natixis and BP.
- Integrated Salesforce to the internal human resources platform.
- Architected and developed Mon Expert: an internal platform for selling proofs of concept.
Experience
Enel | MyEnel
https://enel.roI was working as a senior architect with hands-on in the back and front end.
Large Business Marketing
I worked as a hands-on senior full-stack developer and then as a senior architect.
Mon Expert
I started as a senior full-stack developer, and then I was the engineering manager.
Simulation Application
I worked alone on this spinoff from Zurich University in the Psychology department. The application was played to major teams like Bayer AG, Porched Group, and Airbus.
Education
PhD Degree in Project Management
Free International University of Moldova - Chișinău, Moldova
Master's Degree in Banking and Financial Management
Andrei Saguna University - Constanța, Romania
Certifications
Applied Plotting, Charting, and Data Representation in Python
Coursera
Big Data Analysis with Scala and Spark
Coursera
Data Science in Python
Coursera
Parallel Programming
Coursera
Python Data Structures
Coursera
Databases with Python
Coursera
Using Python to Access Web Data
Coursera
Technology Entrepreneurialship
Stanford University
Functional Programming Principles in Scala
EPFL
Model Thinking
University of Michigan
Probabilistic Graphical Models
Stanford University
Machine Learning
Stanford University
Skills
Libraries/APIs
React, Node.js, REST APIs, jQuery, D3.js, Beautiful Soup
Tools
Sequelize, Mongoose, Git, Auth0, Node-gyp, Sentry, Figma, OpenSceneGraph
Frameworks
Redux, FeathersJS, React Native, WebApp, Tailwind CSS, Bootstrap, Material UI, OAuth 2, MUI CSS, Spark, Next.js
Languages
JavaScript, GraphQL, PHP, TypeScript, CSS, CSS2, CSS3, CSS4, HTML, HTML5, Python, C++, Fortran, C, Snowflake
Paradigms
Agile Project Management, Web Architecture, Scrum, Kanban, Microservices, API Architecture, UI Design, Agile, REST, Data Science, Web UI Design, Responsive Web Design (RWD)
Platforms
Linux, Docker, Visual Studio Code (VS Code), Mapbox, Amazon Web Services (AWS), Google Cloud Platform (GCP)
Storage
MariaDB, PostgreSQL, NoSQL, MySQL, MongoDB
Industry Expertise
Web Design
Other
IT Project Management, Fintech, Entrepreneurship, Web Scraping, TypeORM, Full-stack Development, Charts, Full-stack, Front-end, Scrumban, Projects, Open Source, OAuth, Authorization, Authentication, Serverless, Single-page Applications (SPA), APIs, Architecture, System Architecture Design, Data Visualization, Web Applications, SaaS, Back-end, Apollo, Fintech Consultant, Big Data, Large Scale Distributed Systems, Supervised Machine Learning, Machine Learning, Decision Modeling, Models, Probabilistic Graphical Models, Big Data Architecture, Digital Banking, Networking, Progressive Web Applications (PWA), User Interface (UI), User Experience (UX), Dashboard Development
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