My Expertise & Technical Skills

E001

OVERVIEW:// Technical Leadership, Architecture & Dev Expertise

Bridging Vision and Execution

A seasoned technology leader with 15+ years of experience spanning fullstack development, enterprise architecture, and CTO roles across Europe. Expertise in designing scalable enterprise platforms and AI systems, with a proven track record of delivering 50+ production applications. Background combines academic research foundations with extensive industry experience. Specializes in translating complex requirements into high-performance solutions across diverse tech stacks and business domains. Maintains cutting-edge knowledge in cloud infrastructure, microservices, and AI integration, ensuring solutions are both technically robust and future-ready.

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COMPETENCIES:// Core Competencies

Rapid AI Integration

Accelerating business transformation through strategic AI implementation. From automated features to fully autonomous AI agents, we enhance traditional applications and build next-gen solutions that deliver real business value.

Full-Stack Execution

End-to-end development across Android, iOS, and Web platforms at any scale. Expertise in complex distributed systems, real-time applications, and high-performance architectures.

Strategic Product Delivery

Deep market research and competitive analysis to align product vision with industry standards. Expertise in selecting optimal tech stacks and architecting solutions that exceed market expectations.

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TECHNICAL AREAS:// Leadership Areas

Strategic Focus

Enterprise Architecture

Designing scalable distributed systems with microservices and event-driven architectures

AI Systems Integration

Implementing large-scale AI solutions with focus on performance and business impact

Cloud Infrastructure

Building robust multi-cloud environments with automated scaling and deployment

Security & Compliance

Implementing zero-trust architectures and regulatory compliance frameworks

Experienced in Libraries, Frameworks & Tools

AI & Machine Learning

LangChainAutoGenLlama-indexOpenAI APIAnthropic APIHuggingFace (Transformers, Diffusers, Datasets)TensorFlowPyTorchScikit-learnSWE AgentNLTK (Natural Language Toolkit)GradioStreamlitVector Databases (e.g., Pinecone, Weaviate, Milvus)

Backend Development

Node.js (Express, NestJS, Next.js)TypeScriptPython (FastAPI)Java (Spring Boot)GraphQL (Apollo Server)RESTful APIsgRPCMicroservices ArchitectureServerless Functions (AWS Lambda, Google Cloud Functions, Azure Functions)PostgreSQLMongoDBRedisKafkaRabbitMQElasticsearchAWS (EC2, S3, Lambda, API Gateway, DynamoDB, RDS)GCP (Compute Engine, Cloud Storage, Cloud Functions, API Gateway, Firestore, Cloud SQL)Azure (Virtual Machines, Blob Storage, Functions, API Management, Cosmos DB, SQL Database)Twilio SDKsMultithreading in Node.jsSupaBase

Frontend Development

React (Zustand, Jotai)Next.js (App Router, Pages Router)Vue.js (Vuex)Nuxt.jsAngular (NgRx, Signals)HTML5Alpine.jsCSS3 (Sass)TailwindCSSMaterial UI, Ant Design, Chakra UITypeScriptWebSocketsWebRTCPWAs (Progressive Web Apps)React Server Components / Server Functionsi18n (Internationalization)Web Mentions

DevOps, Cloud Infrastructure & Observability

DockerKubernetes (K8s)AWS EKS (Elastic Kubernetes Service)Azure AKS (Azure Kubernetes Service)Google GKE (Google Kubernetes Engine)RedHat OpenShiftTerraformAnsibleJenkinsGitHub ActionsArgoCD (GitOps)PrometheusGrafanaELK Stack (Elasticsearch, Logstash, Kibana)Fluentd / FluentBitOpenTelemetryNew RelicAWS CloudFormationCDNs (Cloudflare, AWS CloudFront)Ingress (Nginx, Traefik)K8s CertManagerSystem Logs & Application Logs Management

Databases & Data Platforms

PostgreSQL (Replication, Performance Tuning)MySQLMongoDB (Advanced: Sharding, Aggregation Framework)Vector Databases (Weaviate, Pinecone)YugabyteDB (Distributed SQL)Amazon Redshift (Columnar Data Warehouse)Google BigQuery (Serverless Data Warehouse)SQLiteRedis (Caching, Streams, Queues)Buffer Types & Patterns (Ring Buffer, FIFO, LIFO, Ping-Pong, Elastic Buffer, Stream Buffers)Data Models (Relational, Document, Graph, Time Series, Key-Value)Data Sharding & ReplicationData Partitioning & DistributionData Indexing & SearchData Compression & EncryptionData Backup & RecoveryData Migration & TransformationData Governance & ComplianceData Security & Access ControlData Quality & ValidationData Visualization & AnalyticsData Integration & ETLData Streaming & Real-time ProcessingData Warehousing & Data LakesData Architecture & Microservice Patterns

Data Architecture & Microservice Patterns

Database per ServiceShared Database (Anti-Pattern in Microservices, context-dependent)Saga Pattern (Choreography & Orchestration)Two-Phase Commit (2PC)API CompositionCQRS (Command Query Responsibility Segregation)Event Sourcing (ES)Domain-Driven Design (DDD): Bounded Contexts, Aggregates, Entities, Value ObjectsHexagonal Architecture (Ports and Adapters)Domain Events & Event-Driven Architecture (EDA)Change Data Capture (CDC)Circuit Breaker Pattern

Security Engineering & Compliance

OAuth 2.0 / OpenID Connect (OIDC)JWT (JSON Web Tokens)Auth.js / NextAuthRBAC (Role-Based Access Control)ABAC (Attribute-Based Access Control)ReBAC (Relationship-Based Access Control)Zero Trust ArchitectureOWASP Top 10 Vulnerabilities & MitigationsSAST (Static Application Security Testing)DAST (Dynamic Application Security Testing)Owasp ZAPSecrets Management (HashiCorp Vault, AWS Secrets Manager, Azure Key Vault, 1Password, GPG Vaults)Network Security (Firewalls, WAF, IDS/IPS)Data Encryption (At Rest, In Transit)Penetration Testing (Methodologies, Attack Surface, Attack Vectors)GDPR, CCPA, HIPAA (Awareness & Implementation Patterns)SOC 2 Compliance

Software Engineering, Architecture & Modeling

Requirements Engineering (SRS - Software Requirements Specification)Agile Methodologies (Scrum, Kanban)High Availability & Fault Tolerance DesignC4 Model for Software ArchitectureUML (Advanced: Sequence, Component, Deployment Diagrams)API Design (OpenAPI Specification, Swagger)Test-Driven Development (TDD)Behavior-Driven Development (BDD)Code Quality Metrics & Tooling (SonarQube, linters)OpenMetaData

Enterprise Systems & Content Management

ERPNextDAMs (Digital Asset Management Systems)CDNs (Content Delivery Networks - also in DevOps)Headless CMS (Contentful, Strapi)

Engineering Leadership & Technical Strategy

Leading Design and Architecture DiscussionsImplementing Scalable, High-Performance, and Resilient SystemsEnsuring Code Quality, Best Practices, and Engineering StandardsLeading, Mentoring, and Growing Engineering Teams (Hiring, Performance Management, Career Development)Driving Technical Strategy, Vision, and InnovationCross-functional Collaboration and Stakeholder ManagementRoadmap Planning and PrioritizationRisk Assessment and MitigationBudget Management and Resource AllocationSDE3+ Level Contributions & ExpectationsPrincipal Software Engineer (15+ years): Setting technical direction and vision for multiple teams or company-wide. Leading complex, cross-functional projects and initiatives. Solving ambiguous, high-impact problems. Mentoring senior engineers and influencing engineering culture. Representing the company in technical forums and conferences.Distinguished Engineer/Architect (15+ years): Shaping long-term (3-5+ years) technical strategy and innovation. Leading groundbreaking projects, research, and incubation. Providing deep, authoritative technical expertise across the organization. Guiding the most complex and critical technical decisions. Acting as a thought leader in the industry, influencing standards and practices.
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EXPERIENCE:// Career Highlights

CTO / Partner

ALTAR.io

2019 - Present

Led development and delivery of 50+ commercial projects as CTO, Architect, and Mentor. Driving technical excellence and innovation across multiple enterprise solutions.

CTO / Senior Full Stack Developer

Bannerwise

2017 - 2019

Built and scaled a SaaS platform for online advertising and marketing. Transformed software packaging and deployment processes, improved backend services, introduced microservices architecture for enhanced reliability, and implemented serverless infrastructure with comprehensive CI/CD pipelines.

Head of Engineering / Senior Full Stack Developer

FSB Technology (UK) Ltd

2014 - 2017

Architected and delivered 30+ live casino and sports betting platforms. Led development of scalable web and mobile applications, implementing multi-language and multi-currency solutions across WhiteLabel and custom implementations.

Research Assistant / Full Stack Developer

MITI / IBM

2011 - 2013

Led multiple innovative projects including Crisis Tracker (adopted by IBM Australia) and emergency response systems. Developed real-time web applications using custom MVC frameworks, GIS mapping (OpenLayers), and PHP/MySQL backend services. Published research at ISCRAM conference and collaborated with NGOs.

Research Assistant

IBM

2013 - 2014

Led research on measuring usability and learnability of PaaS software tools. Coordinated user tests, created test scenarios, performed statistical analysis (SPSS), conducted literature reviews, and managed eye-tracking tests.

Full Stack Web Developer

zeroInfinito Psicologia

2013

Developed a comprehensive web application supporting on-field psychologists, including patient records management, appointment tracking, and calendar systems. Implemented CodeIgniter framework, MySQL database, and OAuth 2.0 authentication.

CTO / Android Developer

LocalEyes

2013

Led startup development achieving 5th place in a national financing contest. Designed and developed Android application with custom UI, web service integration, and backward compatibility support.

Android Developer

Fuel Meter

2013

Created a multi-device compatible real-time car dashboard fuel meter application for Google Play Store. Implemented real-time GPS components, ActionBarSherlock, and ensured Android 2.3+ compatibility.

Front-end Developer / GIS Developer

CrisisTracker OpenSource Project (IBM)

2012 - 2013

Developed front-end for automated Twitter mining system for real-time emergency scenario mapping. Implemented OpenLayers maps, custom PHP/JavaScript, and evaluated ExtJS4 framework for desktop-like interface.

Military Communications Engineer

Major General State of Armed Forces (Portugal)

2006 - 2012

Operated TETRA and VHF radio communications, encoded/decoded military messages, provided IT support, and managed NATO message traffic routing with Secret level security clearance.

CTO / Android Developer

EcoRide (Startup)

2011 - 2012

Led startup development achieving 10th place in a national financing contest. Created Madeira Transports app for public transportation planning, coordinated partnerships with transportation authorities, and designed UI/UX.

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CTO EXPERTISE:// Engineering Practices

Software Architecture & Design

Visualize system structures, apply core design principles, and manage system configurations.

C4 x UML
Diagramming Tools
Config Management

Requirements Engineering

Define clear, concise, and testable requirements for your projects.

Web App SRD Template
Mobile App SRD Template

IT Governance & Specialized Governance

Establish frameworks for IT governance, and specialized areas like AI and Data governance.

IT Governance Framework (COBIT)
ISO 42001 - AI Management System
Data Governance Framework

Risk Management & Business Resilience

Implement strategies for enterprise risk management, cybersecurity, and business continuity.

NIST CSF 2.0
ISO 27001 - Information Security Management
DORA Framework

Service Management & Operations

Manage IT services effectively using established ITSM principles and process templates.

ISO 20000 - IT Service Management
ITSM
Incident Report Template
Incident Management
Problem Management
Change Management
Release Management

Quality Management & Compliance Audit

Drive excellence through quality management systems, and ensure compliance through audits and standardized processes for various operational concerns.

ISO 9001 - Quality Management Systems
SOC 2