Walter T.

Senior Backend Developer

Walter is a seasoned Senior Backend Developer boasting a rich twelve-year tenure in the commercial realm. His expertise spans a diverse range of technologies, including Python, Django, JavaScript, Redis, REST API, PostgreSQL, MySQL, and Node.js.

With a strong grounding in Scrum and Agile methodologies, Walter brings a structured approach to project management. One of his standout projects involved the development of a data pipeline at TrustYou, facilitating the extraction of reviews from platforms like Google Maps and TripAdvisor.

Walter is distinguished by his practical problem-solving approach, which has consistently positioned him as a dependable asset within project teams.

Huvudsaklig expertis

Django 10 år
JavaScript 6 år
PostgreSQL 10 år

Andra kompetenser

Vue.js 2 år
MongoDB 2 år
AWS Lambda 2 år

Walter T.

Mexico

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Anställningar

Backend Engineer

Uber - 2 år 7 månader
- Designed and created a new API workflow to replace the Cornershop merchant self-onboarding.
- Developed, implemented, and maintained backend microservices that directly power the UberEats app's storefront, store search, and individual item view.
- Created and executed backend experiments (XPs) to assess the impact of changes and optimize conversion rates, with improvements ranging from 5% to 12%.
Teknologier:
- Teknologier:
- Django
- Golang
- PostgreSQL
- Redis
- Python
- Unit Testing
- Integration Testing
- Automation testing
- Pytest
Software Engineer

BairesDev - 3 månader
- Contracted by a SaaS platform that helps customers monitor their cloud usage
- Contributed to refactoring the notifications app architecture
- Provided a more robust platform for microservices to interface
- Reduced timeout errors by 30%
- Increased average open rate by 22%.
Teknologier:
- Teknologier:
- Django
- PostgreSQL
- Redis
- REST API
- Python
- Git
- Scrum
- AWS
- Pytest
Senior Software Engineer

TrustYou GmbH - 2 år 5 månader
- Led creation, maintenance, and enhancement of web scrapers, boosting data accuracy, efficiency, and main product uptime SLA by about 20%.
- Automated critical components of a large data pipeline used to process millions of reviews daily, ensuring its efficiency and stability.
- Developed features that impacted company OKRs directly, such as reduced scraped data TTL to production, reduced pipeline execution time, churn prevention, and revenue increase.
- Successfully migrated key features of the legacy codebase from Python 2.7 to Python 3.9+, improving the platform's reliability and future scalability.
- Participated in the architectural decisions of the main project, data pipeline.
Teknologier:
- Teknologier:
- JavaScript
- PostgreSQL
- Python
- Scrapy
- Agile
- Scrum
- Node.js
- Selenium
- Unit Testing
- Regression testing
- Functional testing
- Integration Testing
- Jira
- Pytest