David Siqueira Email & Phone Number

São Paulo, Brazil

Teresópolis, Rio De Janeiro, Brasil

- Currently leading all AI initiatives within the company, managing and executing projects in collaboration with my team to meet the growing demands for AI solutions.- Currently developing an internal support system integration aimed at increasing team efficiency by over 25%, with the potential to save the company millions in operational costs upon completion.- Created an AI-powered support chatbot that is being integrated into over 100 systems, achieving an accuracy rate of over 95%.- Developed an AI-driven customer service chatbot that acts as a co-pilot, improving response times and reducing the internal support workload.- Played a key role in the development of an omnichannel service, capable of handling millions of messages daily across various communication platforms like WhatsApp, Facebook, Instagram, and more.- Contributed to the creation of a high-volume chatbot product, primarily focusing on developing the APIs and frontend, enabling the exchange of hundreds of thousands of messages daily.- Developed an integration with the company's delivery solution that automates order processing, significantly enhancing the value of the integrated product.- Since the start of my role, I have actively engaged in AI initiatives, consistently dedicating part of my day to creating numerous Proof of Concepts (POCs) in AI, even when not working full-time on AI projects.- Provided strategic support to the sales team, helping secure several major deals with clients through technical expertise and insights.

Teresópolis, Rio De Janeiro, Brasil

- Designed comprehensive system interfaces now used by thousands of users, ensuring a seamless and intuitive user experience.- Created extensive documentation, both written and dynamic (e.g., Swagger), saving the team dozens of hours and improving workflow efficiency.- Conducted rigorous testing of critical systems, including backup, update, and communication systems, ensuring their reliability and smooth operation in collaboration with the team.- Developed and implemented hundreds of automated and unit test cases, significantly enhancing the overall testing process.- Introduced and utilized BDD (Behavior-Driven Development) methodologies for both new and legacy products, improving product quality and team collaboration.- Conducted market and feature analysis for new products, contributing valuable insights to the product development process.- Took on programming tasks in my free time, expanding my technical skill set and contributing to various development projects.- Managed QA processes across multiple products simultaneously, ensuring consistent quality and meeting project deadlines.- Developed Proof of Concepts (POCs) for an AI-driven chatbot for the company, exploring innovative solutions to enhance customer interaction and support.

Teresópolis, Rio De Janeiro, Brasil

- Achieved one of the fastest promotions in the company's history due to outstanding performance and dedication.- Consistently maintained top customer service metrics, setting a high standard for the team.- Developed small code-based solutions to streamline daily tasks and improve efficiency.- Proactively took on responsibilities of the QA role, gaining experience and contributing to the quality assurance processes even before being officially promoted.

Cabo Frio, Rio De Janeiro, Brasil

- Managed three company stores, taking on responsibility for their overall operations.- Actively engaged in international currency negotiations and asset management.- Initiated a marketing campaign aimed at boosting the tourism segment.- Developed an eCommerce platform for the company and structured the campaign using Google Ads and Facebook Ads.

Cabo Frio E Região, Brasil

- Executed foreign currency exchange transactions, ensuring compliance with regulatory standards and maximizing client satisfaction.- Led client acquisition efforts, successfully expanding the client base by 30% over a 2 months.- Initiated the development of an eCommerce project, successfully transitioning the business to an online platform

Graduação, Sistemas De Informação

Ensino Médio

Curso, Computer Programming

Lógica de programação e introdução em linguagens mais usuais, como Java, C++ e PHP.

Curso, Teaching English As A Second Or Foreign Language/Esl Language Instructor