I am a seasoned technology professional with over 20 years of comprehensive experience spanning IT infrastructure, telecommunications, and full-stack software development. My career journey began in technical support and infrastructure management, where I developed a deep understanding of system architecture and operational excellence. This strong foundation in infrastructure naturally evolved into software development, where I discovered my passion for creating innovative solutions that solve real business problems. Throughout my career, I've consistently demonstrated an exceptional ability to quickly master new technologies and adapt to evolving technical landscapes. From managing solo IT operations to leading development teams, from creating VoIP solutions to architecting modern cloud-native applications, I bring a unique perspective that combines deep technical expertise with practical business understanding. My experience across diverse industries—from banking and healthcare to food service and logistics—has shaped my ability to understand complex business requirements and translate them into scalable technical solutions. Currently, as Founder and CTO of Mana33, I'm applying this wealth of experience to build a comprehensive SaaS platform that revolutionizes how organizations manage their sales ecosystems. I'm passionate about creating technology that not only solves immediate problems but also enables businesses to scale and thrive in an increasingly digital world.

Cleriston Martins

I am a seasoned technology professional with over 20 years of comprehensive experience spanning IT infrastructure, telecommunications, and full-stack software development. My career journey began in technical support and infrastructure management, where I developed a deep understanding of system architecture and operational excellence. This strong foundation in infrastructure naturally evolved into software development, where I discovered my passion for creating innovative solutions that solve real business problems. Throughout my career, I've consistently demonstrated an exceptional ability to quickly master new technologies and adapt to evolving technical landscapes. From managing solo IT operations to leading development teams, from creating VoIP solutions to architecting modern cloud-native applications, I bring a unique perspective that combines deep technical expertise with practical business understanding. My experience across diverse industries—from banking and healthcare to food service and logistics—has shaped my ability to understand complex business requirements and translate them into scalable technical solutions. Currently, as Founder and CTO of Mana33, I'm applying this wealth of experience to build a comprehensive SaaS platform that revolutionizes how organizations manage their sales ecosystems. I'm passionate about creating technology that not only solves immediate problems but also enables businesses to scale and thrive in an increasingly digital world.

Available to hire

I am a seasoned technology professional with over 20 years of comprehensive experience spanning IT infrastructure, telecommunications, and full-stack software development. My career journey began in technical support and infrastructure management, where I developed a deep understanding of system architecture and operational excellence.

This strong foundation in infrastructure naturally evolved into software development, where I discovered my passion for creating innovative solutions that solve real business problems. Throughout my career, I’ve consistently demonstrated an exceptional ability to quickly master new technologies and adapt to evolving technical landscapes.

From managing solo IT operations to leading development teams, from creating VoIP solutions to architecting modern cloud-native applications, I bring a unique perspective that combines deep technical expertise with practical business understanding. My experience across diverse industries—from banking and healthcare to food service and logistics—has shaped my ability to understand complex business requirements and translate them into scalable technical solutions.

Currently, as Founder and CTO of Mana33, I’m applying this wealth of experience to build a comprehensive SaaS platform that revolutionizes how organizations manage their sales ecosystems. I’m passionate about creating technology that not only solves immediate problems but also enables businesses to scale and thrive in an increasingly digital world.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

Portuguese
Fluent
English
Intermediate

Work Experience

Co-Founder & CTO at Mana33
May 1, 2025 - Present
Co-founded Mana33, a SaaS product catalog platform. Led the design and implementation of a large-scale microservices architecture using Node.js, frontend applications with Next.js and Angular, and leveraged GCP Cloud Run, Cloud Functions, and Pub/Sub for serverless scalability. Implemented advanced messaging patterns with RabbitMQ and GCP Pub/Sub, Saga patterns for distributed transactions, real-time features via WebSocket and Firebase, and managed GKE deployments. Designed polyglot persistence with GCP Cloud SQL, Firestore, and Cloud Storage to optimize data storage strategies.
Senior Backend Software Engineer at Adams Food Service
May 1, 2025 - September 16, 2025
Led backend development with Postgres, MongoDB, Redis; worked with GCP and AWS, Kubernetes, Kafka, Jest, Cypress, Swagger; implemented TypeORM/Prisma ORM, Jenkins CI, Clean Architecture, TDD, and SOLID principles to deliver robust backend services.
Software Engineer at CoplandPost
November 1, 2023 - September 16, 2025
Engineered a web application using TypeScript, Node.js, React, MongoDB, and Postgres; optimized backend queries; deployed Kubernetes on AWS to support 20k concurrent users; developed HR module, social login, campaign tools with geofencing, real-time agent tracking dashboard, Stripe payments, and performance-focused refactoring.
Software Engineer at Gralsin
April 1, 2022 - September 16, 2025
Led development of a large-scale modular system with Node.js and Angular microservices spanning Finance, Operations, HR, Sales, and Marketing; implemented multi-cloud architecture (AWS/GCP), Docker-based deployments, and integrations with Stripe and PagSeguro; performed codebase refactors and delivered a monolithic PHP/Node.js/Angular web app to improve performance.
Freelance Software Engineer at Frangolino Lanches E-commerce Project
December 1, 2017 - September 16, 2025
Designed and developed a full e-commerce platform for a restaurant chain using Node.js backend and Angular frontend; integrated PayPal and Stripe; deployed on AWS with DevOps practices; built a responsive frontend and managed end-to-end project delivery.
Systems Analyst at EGA Assessoria em Comércio Exterior
July 1, 2019 - September 16, 2025
Maintained and enhanced ERP system with Node.js and Angular frontends; implemented Kubernetes on AWS; designed event-driven microservices; utilized multi-database solutions (MySQL, PostgreSQL, MongoDB); managed AWS cloud infrastructure and optimized costs.

Education

Add your educational history here.

Qualifications

Bachelor of Computer Science
February 1, 2008 - December 1, 2011

Industry Experience

Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more

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