Daniel
From Brazil (GMT-3)
24 years of commercial experience
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Daniel – Ruby on Rails, PostgreSQL, Java
Meet Daniel, a back-end developer with over 20 years of expertise, including extensive tech-leading and consulting experience. He is proficient in Java, covering core Java, classes, abstractions, string pools, and Java heap memory management. Daniel excels in database management, including ACID properties, transactions, and locks. He is also skilled in the Spring framework, handling bean scopes and application contexts efficiently. Additionally, Daniel has valuable experience with Ruby, Ruby on Rails, cloud technologies, and NoSQL databases. With Daniel on your team, you gain an exceptional developer with a wealth of skills and leadership qualities.
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Potentially possibleExperience Highlights
Principal Technical Consultant
Daniel worked as a technical consultant responsible for assisting customers. His role involved providing training, offering architecture guidance, and developing custom extensions on behalf of customers. More recently, he joined a team responsible for creating cloud product innovations aimed at addressing the functional gaps in certain products for specific industries and regions.
- Supported a dozen customers to overcome huge surge events (such as Black Fridays) with zero instability and downtime;
- Implemented several product features, including performance improvements in data import processes and promotion evaluation;
- Successfully supported several customers' migration from on-prem to the cloud.
Tech lead/Senior Back-end developer
A product designed to assist law firms in handling litigation cases more effectively.
- Successfully upgraded Ruby on Rails from 4.2 to 6.1;
- Made performance improvements;
- Implemented several valuable product features, including integration with 3rd-party DAM providers, simplifying the document processing pipeline, and document searching.
Tech lead
Shipment Tracking is a module designed to support Brazil's e-commerce operations and provide its customers with an easy-to-use and accurate method for tracking the delivery of their orders.
- Did the integration with 40+ logistic operators in Brazil;
- Effectively led a team of 18 software developers, testers, scrum masters, and Product Owners on a large-scale logistics/e-commerce project;
- Managed the successful development of a new (agile philosophy-based) delivery tracking and carrier relationship system on schedule and budget, increasing revenue by 60% that year;
- Conducted code reviews and performance tests. Uncovered and fixed errors or inefficiencies by improving architecture to optimize performance.
Tech lead/Architect
An electronic payment processing company that operates within the Brazilian e-commerce ecosystem.
- Implemented a subscription-based payment model, which supported several new business use cases;
- Designed and implemented customer ledger, so customers could have a better user experience managing their payments and incoming revenue;
- Made performance improvements to support customers during Black Friday.