Carlos Alberto Fau
Software Engineer Building Systems that Drive Business Outcomes
About
Experienced Software Engineer and Technical Leader with 20+ years of delivering impactful solutions across fintech, e-commerce, and gaming industries. Proven ability to lead architecture modernization, migrate legacy systems, and scale platforms using microservices, event-driven systems, and cloud-native infrastructure.
- Staff Engineer at Xepelin: spearheaded decoupling of critical business logic from monoliths, improving system agility and enabling rapid product onboarding.
- Tech Lead at AltScore: designed and launched lending platform microservices, while coaching teams in OOD, TDD, and Clean Architecture.
- Platform architect at multiple organizations: successfully reduced infrastructure costs and improved resilience through Kubernetes, CI/CD, and DevOps practices.
- Technical mentor and educator: experience in coaching engineers, leading teams, and teaching university-level Software Engineering.
Strong expertise in Go, Kotlin, TypeScript, and architectures based on DDD, CQRS, Event Sourcing. Hands-on deployments in AWS, GCP, and Kubernetes environments.
Work Experience
Staff Engineer
Staff Engineer and technical lead for a key business domain, driving architectural modernization and enabling new product capabilities.
Highlights
- Led the decoupling of critical business logic from a legacy monolith, enabling the transition toward a domain-driven microservices architecture.
- Implemented the onboarding flow for a new product, improving the client acquisition process and reducing integration friction.
- Improved existing services to streamline onboarding, enhance maintainability, and support product scalability.
- Delivered internal technical talks on microservices architecture to align teams and promote best engineering practices across the organization.
- Key technologies: TypeScript, SQL, Temporal, Kubernetes, AWS, Git
Engineering Lead
Technical execution for the Lending Platform, driving infrastructure modernization and mentoring engineering teams in high-quality software delivery practices.
Highlights
- Modernized deployment infrastructure by implementing Kubernetes and CI/CD pipelines, improving reliability and release frequency.
- Designed and developed core microservices for the lending platform, directly supporting customer-facing financial services.
- Mentored engineers in Object-Oriented Design, TDD, Clean Code, and Domain-Driven Design to improve code quality and team autonomy.
- Key technologies: Go, MongoDB, Kubernetes, GCE, Git
Technology Consultant
Senior member within the Blockchain Group, focused on the distributed ledger technologies.
Highlights
- Clarified the problem space using domain modeling techniques and guided technical decision-making around blockchain platform selection and architecture.
- Simplified technical complexity by applying Clean Code and Clean Architecture principles to design and implementation workflows.
- Elevated team effectiveness by coaching developers in practical Agile, Scrum, and collaborative engineering practices.
- Key technologies: Blockchain (Ethereum, Avalanche, Algorand), TypeScript, Java, Microservices, Kubernetes
VP of Engineering
Led the engineering organization, driving platform modernization, and improving software quality.
Highlights
- Improved system robustness and reliability by introducing modern software engineering practices and updating the core technology stack.
- Established a quality-driven development culture through the adoption of structured testing, code reviews, and CI/CD practices.
- Led the migration from a monolithic architecture to a domain-oriented microservices ecosystem, enabling better scalability and team autonomy.
Principal & Senior Principal Software Engineer
Technical leader across platform and product teams, driving architectural modernization, cloud migration, and performance optimization in both backend infrastructure and mobile game development.
Highlights
- Led the migration of critical services to Kubernetes, improving scalability and deployment consistency across environments.
- Developed a reusable microservice template using Kotlin, KTor, and Arrow to accelerate development and enforce architectural consistency.
- Improved mobile app performance and reliability in Word Crack 2 by introducing new architecture guidelines and optimizing vocabulary processing algorithms.
- Designed and implemented a bot player service to enhance user engagement through intelligent automated gameplay.
- Key technologies: Kotlin, Unity, C#, Kubernetes, AWS, Scrum
Architecture and DevOps Manager
Led the design and implementation of a modern IT infrastructure, driving the organization’s DevOps transformation and improving system scalability and delivery speed.
Highlights
- Built and led the DevOps team from the ground up, establishing best practices for automation, deployment, and monitoring.
- Reduced deployment time and increased system resilience by implementing a Kubernetes-based infrastructure with CI/CD pipelines.
- Improved platform observability and operational efficiency through enhanced monitoring and logging strategies.
- Lowered AWS infrastructure costs through architectural optimizations and resource usage audits.
- Boosted engineering team productivity by introducing collaborative tooling, streamlined workflows, and agile practices.
Software Architect
Led the architecture and development of Frávega’s new eCommerce platform, introducing scalable, modern systems and enabling cross-functional collaboration.
Highlights
- Architected and led the implementation of the Product Catalog and Price Management systems, critical for online retail operations.
- Introduced a domain-driven microservices architecture.
- Fostered collaboration through multidisciplinary, co-located teams aligned with agile product delivery.
- Key technologies: Scala, Golang, MongoDB, Kafka, JavaScript, React, Git
Senior Software Engineer
Requirement analysis, software module design, coding, and testing for the Customer Experience Management system. Lead engineer of Social Media Team including the responsibility of the product availability.
Highlights
- Improved stability and availability of Unsolicited Feedback module
- Improved product internal quality by increasing modularity, reducing dependencies, and upgrading technology
- Incremented business value by new functionality
- Key technologies: Java 7, Scala, PostgreSQL, Git
Previous experience
June 1992 – September 2012
Software Engineer & Software Quality related roles
Software development and software quality activities at different companies.
Grade and post-grade lecturer
Highlights
- Software Engineering at Morón University
- Software Engineering at CAECE University
- Physics, Electronic Engineering, Computing Theory at Buenos Aires University
Education
-
1998
Morón University
Bachelor
Information Systems
-
2008
CoCrear Argentina
Diploma program
Ontological Coaching with Business Orientation Professional training program of Ontological Coaches.
Skills
Programming
Great
Go
Kotlin
TypeScript
Java
Frontend Development
Intermediate
Svelte
React
Software Design and Architecture
Great
Clean Code & Clean Architecture
Functional Programming
Object Oriented Programming
SOLID principles & Design Pattern
Microservices
Event driven, Event sourcing, CQRS
Reactive Programming
Infrastructure & CI/CD tools
Git
AWS
Kubernetes
Prometheus
Grafana
Docker
GCE
Database and other tools
PostgreSQL
MongoDB
Kafka
SQS
Redis
RabbitMQ