Roy De Freitas

I am the founder of WebMundo where I work as a consultant on projects under B2B contracts. I’m a TOGAF-certified Java/Web developer & software architect with 20+ years experience across FinTech, Telecom, Manufacturing and Government sectors.

I help clients design, build, and modernize scalable systems – from backend microservices to fullstack solutions. Whether you need a technical lead, hands-on developer, or a system recovery expert, I can plug into your team and deliver value quickly.

Specialties:

Java / Spring Boot / Microservices / AWS

Frontend: Javascript / Angular / JSP

System design & software architecture (TOGAF)

Legacy system migration & modernization

Agile team coaching and dev process design

Let’s talk if you need help shipping software, improving architecture, or rescuing a project.

Past Projects:

Developed enterprise architecture strategy at TLScontact, aligning IT initiatives with evolving business goals and digital transformations. Identified capabilities catalogues and developed value propositions. Directed large-scale implementations of microservices and cloud-native solutions to modernize infrastructure and drive innovation. Advised on IT risk mitigation across application, infrastructure, and integration layers. Produced target-state architectures, gap analyses, and technology roadmaps in compliance with industry standards (TOGAF, ISO, OWASP). Enabled seamless product development and integration through effective collaboration with cross-functional stakeholders.

Provided technical leadership for W1tty’s integration with the Bank of Lithuania, enabling SEPA payment processing through secure SOA and EAI middleware. Applied BPM, ArchiMate, and Event-Driven Architecture for seamless API integration and regulatory interoperability, supporting W1tty’s authorization as an Electronic Money Institution.

Directed engineering teams to deliver secure, high-performance financial products with API integrations for global Payin and Payout partners using SOA, EAI, and microservices. Led payout integration for the merged Zepz brand, optimizing infrastructure for scalability and cost efficiency. Applied UML and Object-Oriented Design aligned with TOGAF and Zachman frameworks to create reusable architectures. Managed Agile delivery pipelines with Jira, coordinating cross-functional teams for timely project execution. Implemented secure-by-design principles following OWASP and ISO/IEC standards to ensure fintech service integrity. Integrated Middleware, Messaging, and Event-Driven Architecture to enable scalable payment workflows and real-time data insights.

Byte Apex IT is a software engineering and consulting company. I performed in the role of Manging Director at Byte Apex IT.

I designed, developed and implemented the strategic plan for the company in the most cost effective and time efficient manner. I enabled the profitable growth and streamlined the operation of the company.

I developed the companies IT principles, evolving technology visions and business strategy. I governed and directed the activities necessary to keep business operations and IT software services delivery running effectively while ensuring compliance with established standards and policy. I mentored the development teams, providing key consulting expertise and managed service levels for the company.

As the founder of ByteApex IT, I consultant on projects under B2B contracts including.

Led the architecture and development of the e-Newcastle Customer Billing and Self-Service Portal, empowering citizens with online billing and self-service features.

Coordinated a remote team to deliver an Enterprise solution with multiple components, including ERP, payment gateways, and back-office systems.

Delivered a scalable solution with 99.99% uptime, successfully scaling the user base to over 10,000 subscribers.

Optimized bill processing and email systems to handle over 13,000 statements daily, reducing operational overhead and enhancing customer service.

Spearheaded the integration of MTN's SCADA/IIOT systems with Oracle ERP, optimizing production and fulfilment operations across multiple warehouses. Designed a high-performance, scalable SCADA network integrating PLCs, IIOT sensors, and MTN's ERP systems, achieving superior performance benchmarks.

Provided leadership for software architecture, ensuring the solution met high availability, performance, and transaction integrity standards.