
Daniel Zimpel Wayhs
Verified Expert in Engineering
Full-stack Engineer and Developer
Porto Alegre - State of Rio Grande do Sul, Brazil
Toptal member since November 1, 2024
Daniel is a highly experienced senior full-stack engineer with nearly two decades of proven success in building robust and scalable web applications. His career has spanned diverse industries, allowing him to develop a deep understanding of various business needs and technological challenges. Daniel possesses a comprehensive skillset encompassing both front- and back-end technologies, with particular expertise in Ruby on Rails, Python, React, JavaScript, and TypeScript.
Portfolio
Experience
- Ruby - 10 years
- Ruby on Rails (RoR) - 10 years
- Test-driven Development (TDD) - 10 years
- PostgreSQL - 10 years
- Elasticsearch - 6 years
- React - 6 years
- TypeScript - 4 years
- Python - 4 years
Availability
Preferred Environment
Linux, Slack, Visual Studio Code (VS Code)
The most amazing...
...thing I've built is an Industry 4.0 real-time 3D digital twin web application that allows shopfloor equipment monitoring, interaction, and anomaly detection.
Work Experience
Engineering Manager, Product Engineering Team
Toptal
- Headed and mentored a team of 11 engineers, driving the development and launch of new delivery models and enhancing the client experience.
- Cultivated a culture of accountability and quality, ensuring effective stakeholder communication and collaboration. This resulted in successful product launches and increased revenue.
- Orchestrated complex, multi-team projects involving diverse domains, effectively managing interdependencies, facilitating cross-team collaboration, and ensuring successful delivery.
Engineering Manager, Technical Service Extraction Team
Toptal
- Headed a high-performing team of 13 senior and principal engineers on a mission-critical service extraction project with a high degree of complexity.
- Introduced innovative solutions and processes to optimize workflows and track project progress, ensuring on-time and efficient delivery.
- Mentored and coached engineers, facilitating career growth and skill development.
- Ensured accountability, quality, and stakeholder communication, contributing to successful project completion.
Back-end Developer
Toptal
- Developed a service for rule-based talent prioritization.
- Revamped the talent onboarding flow, resulting in increased funnel conversion.
- Utilized test-driven development (TDD) to implement various new functionalities, reducing bug rate and total code coverage.
Team Lead | Software Architect | Full-stack Engineer
Sequor Softwares Industriais
- Spearheaded a team of engineers in successfully developing and launching the Lumen Industry 4.0 platform.
- Defined the platform architecture and implemented critical components, including data ingestion pipelines, a real-time 3D digital twin visualization, and a shopfloor 3D editing tool.
- Built a high-performing engineering team through effective interviewing and hiring practices, resulting in a team that consistently delivered on project milestones.
Senior Full-stack Software Engineer
Globo
- Maintained and evolved the core search infrastructure, ensuring optimal performance and reliability for 25 million unique users per day and 500 thousand searches per day.
- Provided expert support and resources to enable product teams to fine-tune search results within their applications, improving user engagement and increasing content discoverability.
- Created and maintained an internal search service utilized by various products across globo.com, streamlining search functionality and reducing development efforts.
Tech Lead | Full-stack Engineer
CWI Software
- Led full-stack development for diverse clients and delivered multiple projects across various industries, including Terra Networks, Editora Abril, Coca-Cola, and others.
- Worked on developing Terra Mobile, the first mobile version of the terra.com.br portal, expanding access to its content for a new user base.
- Collaborated on the development of Terra Tablet, a dedicated portal with a magazine-like user interface, enhancing tablet users' news and video consumption.
- Developed the Terra web email client and Editora Abril's IBA digital distribution service.
Experience
Editora Abril's IBA
Globo.com Search API
https://www.elastic.co/pt/customers/globo• Content indexing: It indexes a vast amount of content from globo.com's diverse properties, including news articles, videos, and other media.
• Search features: It offers a full suite of search features, delivering highly relevant user results.
• Performance optimization: It enables A/B testing and search optimization through a dedicated admin interface with detailed search metrics.
Skills
Libraries/APIs
React, Three.js, Sidekiq
Tools
Slack, Grafana, RabbitMQ
Languages
Ruby, TypeScript, Python, SQL, JavaScript, Go, PHP
Frameworks
Ruby on Rails (RoR), Django, Ruby on Rails 6, Express.js
Paradigms
Test-driven Development (TDD), Agile Project Management, Scrum, Microservices
Storage
Elasticsearch, PostgreSQL, MongoDB, Redis, Microsoft SQL Server
Platforms
Linux, Visual Studio Code (VS Code), Oracle, Amazon Web Services (AWS)
Other
Engineering Management, Web Project Management, Google BigQuery, Team Mentoring, Scrum Master, 3D, Internet of Things (IoT), Real-time Data, Search, Metrics, IMAP, Mobile Web, Scalability, APIs
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring