Alin Dragos Lacea
Verified Expert in Engineering
Software Developer
Graz, Austria
Toptal member since September 4, 2016
Alin is an experienced full-stack JavaScript and Python developer focusing on flexibility and maintainability. He won't settle for any solution and always strives for the best. He greatly enjoys new challenges. He has a background in scalable, full-stack web apps with various technologies, including other languages, and values clear communication and jobs done right.
Portfolio
Experience
- JavaScript - 11 years
- Python - 11 years
- Node.js - 7 years
- Docker - 7 years
- DevOps - 6 years
- Amazon Web Services (AWS) - 5 years
- MongoDB - 3 years
- Google Cloud Platform (GCP) - 2 years
Availability
Preferred Environment
Linux, Docker, Cloud, Python, JavaScript, Node.js, Next.js, Containers, React, TypeScript, Tailwind CSS, Figma, React Native, Material UI
The most amazing...
...thing I've done is reduce costs in a transactional message system by around 50% via architecture redesign and migration from SQL funnels to FSM.
Work Experience
Full-stack Developer
Tint Technologies
- Led the development and automated testing of a client-facing web application providing assurance products.
- Identified solutions and addressed dependency vulnerabilities by performing version upgrades, in line with SOC2 compliance objectives.
- Integrated dynamic, editable forms into the product dashboard for enhanced user functionality.
- Optimized and configured AWS Lambda reducing processing time and costs.
- Resolved technical debt and key bugs to unblock feature development and improve system stability.
Technical Lead
Retainit
- Established a core technical team and defined workflows and processes.
- Redesigned the application's architecture and codebase for improved scalability and performance.
- Conducted hiring interviews and led technical decisions following business goals.
- Developed a Chrome extension for launching contextual quizzes directly from a YouTube page or arbitrary articles from selected publishers.
- Worked on the integration with Chat-GPT3 for keyword extraction, content summary, and quiz generation.
- Designed and implemented a 3rd-party API integration for transactional email messaging.
- Designed DevOps processes for automated deployments with GCP, GitHub Actions, and Firebase hosting.
- Redesigned No-SQL data structure to simplify and efficiently extract the required information.
Senior Software Engineer
RenaissanceRe
- Developed a tool for the SSDLC processes that scans internal projects for vulnerable dependencies and cross-references them with the CVSS database.
- Dockerized and migrated core risk modeling processes to Kubernetes.
- Developed Ansible Playbooks for scalable and consistent container deployment on-prem.
- Ported core risk modeling services and internal libraries from Python 2 to Python 3.
Node.js Engineer
kununu GmbH
- Designed code architecture for scalable Backends for Frontends (BFF).
- Enabled the migration from a monolithic app structure to microservices.
- Improved code coverage and testability using Pact.
Senior Software Engineer
PageFair
- Created and improved detection algorithms for ad-blocking browser extensions.
- Improved the client-side ad restoration rate for ad-blocking extension users.
- Ensured server connectivity as a critical product feature.
- Conducted extensive research on browser extension permissions and behavior.
- Led the implementation team in product innovation projects, from the research phase to designing and creating prototypes.
- Designed and implemented full-stack software architecture for production-ready premium products.
Full-stack Developer
DemonWare
- Developed a React app from scratch, enabling game server overview and management.
- Created Django back-end-for-front-end architecture and infrastructure.
- Set up base development workflow and processes for the newly found full-stack team.
Lead Developer
Vibetrace
- Redesigned the system architecture for increased scalability and reliability.
- Implemented a product recommendation service using Elasticsearch and BigQuery.
- Increased API throughput capabilities and resiliency.
- Designed new server security procedures and infrastructure.
- Integrated monitoring tools (Graphite and Kibana) for performance tracking.
- Ported the whole codebase from Node.js to Python and improved microservices deployment automation.
- Designed a user segmentation and transactional messaging system.
Experience
Vibetrace
AmILab
MAMMA
Education
Master's Degree in Artificial Intelligence
Polytechnic University of Bucharest - Bucharest, Romania
Bachelor's Degree in Automatic System Engineering
Polytechnic University of Bucharest - Bucharest, Romania
Skills
Libraries/APIs
React, Node.js, REST APIs, React Redux, Bottle.py, SQLAlchemy, OpenCV, Facebook SDK, Facebook API, Google API, Pydantic, OpenAPI, Stripe
Tools
Docker Compose, SaltStack, Terraform, RabbitMQ, Amazon Elastic Container Registry (ECR), uWSGI, Kibana, NGINX, BigQuery, ChatGPT, Figma, AWS CloudFormation, Node-RED, Ansible, Fluentd, Amazon Simple Email Service (SES), Celery, Apache Airflow
Languages
JavaScript, Python, TypeScript, ECMAScript (ES6), Python 3, HTML, CSS, SQL, HTML5, GraphQL, C#, PHP
Frameworks
Express.js, Next.js, Redux, JSON Web Tokens (JWT), Unity3D, Django, Flask, Tailwind CSS, React Native, Material UI, AngularJS, Alembic, Cypress
Paradigms
REST, DevOps, Microservices, Web Architecture, Testing, Automation
Platforms
Docker, Amazon Web Services (AWS), Amazon EC2, Google Cloud Platform (GCP), Firebase, AWS Lambda, DigitalOcean, Linux, Azure, Kubernetes, Vercel
Storage
Databases, MongoDB, Elasticsearch, Redis, NoSQL, Google Cloud, PostgreSQL, Datadog
Other
Scalability, Software Development, Web Development, Full-stack Development, Full-stack, APIs, Back-end, Back-end Development, Webhooks, Containers, User Interface (UI), Startups, AWS Cloud Architecture, Load Balancers, Graphite, Tornado, Cloud, System Architecture, Cloud Computing, CI/CD Pipelines, Architecture, Technical Leadership, Software Architecture, Minimum Viable Product (MVP), SaaS, Serverless, Cloud Services, API Integration, OpenAI GPT-3 API, OpenAI GPT-4 API, Message Queues, Large Language Models (LLMs), Figma to React, Responsive UI, Algorithms, Chrome Extensions, Artificial Intelligence (AI), Systems, OpenAI, Pact, CTO, Mobile Apps, Single Sign-on (SSO), Google Sign-in, Software Design, OAuth, FastAPI, Storybook
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