Kelvin Alves
@kelvinalves
Payments Tech Lead at KTOGroup who scaled payment systems for 4.28M World Cup transactions.
BrazilWhat I'm looking for
At KTOGroup, I own deposit, withdrawal and reconciliation flows, along with integrations with payment providers including PIX, Trustly and PaymentIQ. I prepared the payments platform for the FIFA World Cup 2026, when it processed 4.28M transactions at 99.991% availability with zero hotfixes.
I designed and built KTOGroup’s virtual-wallet solution and implemented resilient payment flows using transactional outbox, idempotency, retries and transaction state machines. At Idealogic Software, I’m one of 12 partners and one of 4 board members, and I lead AI-assisted development consulting.
Experience
Work history, roles, and key accomplishments
Tech Lead, Payments & Operations
KTO Group
Jun 2025 - Present (1 year 4 months)
Technical owner of deposit, withdrawal and reconciliation flows and PSP integrations. Lead a cross-functional squad of 8, owning refunds, internal ledger and treasury operations.
Partner & Board Member
Idealogic Software
Oct 2021 - Present (5 years)
One of 12 partners and one of 4 board members; define company strategy and oversee client software projects. Lead AI-assisted development consulting.
Senior Backend Developer
KTO Group
Aug 2024 - May 2025 (9 months)
Led the Payments team building deposit and withdrawal integrations for a high-traffic platform. Led payments readiness for the SPA regulatory framework.
Backend Developer
KTO Group
Oct 2021 - Jul 2024 (2 years 9 months)
Owned the payments module from ~300k users, designing and building the virtual-wallet solution. Implemented resilient payment flows using Transactional Outbox, idempotency and retries.
Technical Lead
KOPP
Apr 2020 - Jun 2022 (2 years 2 months)
Led the team responsible for integration scripts and web services across core systems. Set architecture and design direction for flagship projects.
Senior Full-Stack Developer
KOPP
Apr 2018 - Apr 2020 (2 years)
Built Java/Spring microservices with RabbitMQ and Angular front ends. Automated operational tasks with Linux services.
Full-Stack Developer
KOPP
Apr 2013 - Apr 2018 (5 years)
Developed Java (EJB, JAX-RS, JPA) and AngularJS services integrating hardware and software products.
Education
Degrees, certifications, and relevant coursework
UNOPAR
Postgraduate, Technical Teacher Education
2024 - 2024
Postgraduate degree in Technical Teacher Education, completed in 2024.
Universidade de Santa Cruz do Sul (UNISC)
Bachelor of Science, Computer Science
2011 - 2018
B.Sc. in Computer Science, completed in 2018.
Availability
Location
BrazilAuthorized to work in
Salary expectations
Social media
Job categories
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