Jhonston Dalcin

Experience

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  POLI Júnior

  Feb 2009 - Dec 2012

  Software Analyst

  Poli Junior is a non-profit junior enterprise managed exclusively by students of the Escola Politécnica da USP. It provides students with professional development opportunities through real-world client projects, fostering technical expertise, leadership, and entrepreneurship.Year 1 (Software Developer): Developed internal tools with Python (Django) and html/css/javascript, including a management system for collaborators, clients, and projects. Led the development of a recruitment app for a consulting firm, streamlining candidate assessment.Year 2 (Technical Lead): Headed the software development CoE (NTEC), mentoring new developers, adopting Agile practices, improving delivery processes, and overseeing all tech projects as part of the company’s PMO team.Year 3-4 (Director & Advisor): Strengthened strategic leadership as Marketing Director and contributed to long-term organizational growth on the advisory board. Show less

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  PromonLogicalis

  Feb 2012 - Dec 2012

  Intern

  Assisted project managers with day-to-day tasks in IT infrastructure planning, utilizing MS Excel and Microsoft Project while adhering to PMBOK methodologies.Contributed to project scheduling, resource allocation, and documentation, enabling managers to focus on strategic decision-making.Gained valuable experience in project management processes, enhancing organizational efficiency and learning foundational principles of IT infrastructure planning.

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  Itaú Unibanco

  Feb 2013 - Jul 2019

  Software Engineer

  Member of Itaú's first multidisciplinary team, integrating business, marketing, data, and engineering to drive digital credit card sales.Leveraged technologies like C#, .NET, and SQL Server alongside A/B testing and performance optimization to achieve a 1400% increase in monthly digital credit card sales, significantly shifting the sales focus from physical to digital channels.Contributed to a pioneering working model that scaled across the company, driving digital sales expansion to include insurance, real estate credit, and other financial products.Technical Lead (Final ~2 Years):Led the migration of institutional websites from Vignette CMS to Adobe Experience Manager (AEM), delivering improved reliability and agility for content updates.Developed a design system and reusable core modules, enabling consistent and efficient site management across platforms.Achieved a complete migration in just 9 months, enhancing analytics capabilities and driving better marketing insights and sales results. Show less

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  Banco BV

  Jul 2019 - Apr 2021

  Senior Software Engineer

  Software Engineer (Internet Banking):Developed micro-frontends using Angular and backend microservices with Java and Spring Boot to enhance the Private Bank client homepage.Delivered a faster, more intuitive homepage, improving performance and usability while providing key information to clients.Technology Researcher (BVLabs Innovation):Researched emerging technologies, including quantum computing and machine learning, to reduce financial fraud in collaboration with the data team.Prototyped machine learning models leveraging quantum computing, concluding that while promising, the technology remains in early stages for practical banking applications. Show less

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  Santander Tecnologia Brasil

  Apr 2021 - Aug 2021

  Software Engineering Lead

  Led the credit cards team within the digital channels area, aligning business and technical objectives to drive credit card sales growth.Maintained high system reliability by minimizing bugs and downtime while ensuring security and fast performance, creating a seamless experience for clients applying for credit cards.Oversaw integrations with external KYC partners and internal services, such as checking account systems, to enhance customer onboarding and compliance processes.Fostered team engagement by aligning engineers with business goals and promoting a culture of collaboration and accountability. Show less

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  Paiper

  Aug 2021 - Feb 2025

  Chief Technology Officer

  Responsible for technical strategy and architecture, product development to drive revenue, hiring, and aligning operational, tactical, and strategic initiatives in a dynamic startup environment.Built a SaaS platform from scratch, from creating AWS infrastructure to delivering production-ready software (NestJS/NextJS/MongoDB), providing insights that shaped the company’s strategic direction.Scaled the product/engineering team to 12 members, including product managers, designers, and software engineers, providing mentorship, career guidance, and leadership in daily activities.Drove product growth in a B2B2C market, achieving 10 enterprise clients and over 100,000 monthly active users (MAU). Show less

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  VExpenses

  Feb 2025 - now

  Software Engineering Manager