Nelson Lourenço
Lead Developer | Systems & Blockchain Architect
Business areas: Blockchain | OSS Telecoms | Automotive | Banking. Resilient - Problem solver - Team player. Team leader - Architect - Performance engineer - DevOps. Ability to troubleshoot - Profiling - Optimize complex code. Familiar with a large and complex system.
_experience
Lead Developer
Pictet Technologies• Leading technical chapters and driving engineering excellence across distributed teams.
• Architecting robust, scalable solutions and enforcing high-standard DevOps practices.
• Leading recruitment interviews and technical screening for senior engineering chapters.
• Mentoring senior engineers and fostering a culture of continuous learning and knowledge sharing.
Blockchain & Backend Architect (Stealth)
Interval.xyz• Research and deployment of a Layer 3 (L3) solution using OP Stack.
• Created enterprise-grade modules for seamless L3 integration.
• Architected and implemented a blockchain firewall to enforce granular enterprise policies (Geo-fencing, Whitelisting).
• Created POCs for authenticating Web3/Web2 and transaction signing (Firebase, Auth0, Privy, MM).
Founder / Lead Architect
Freelance - MCP Wallet• Created the MCP Wallet protocol, bridging AI agent capabilities with secure Web3 interactions.
• Exploring the 'Agentic Web'-where LLMs autonomously manage assets via secure, verifiable wallets.
Senior Blockchain Engineer
Qredo• Integrated QChain with Stacks to enable asset locking, transaction monitoring, and settlement processing.
• Architected and developed an abstract asset-locking (deposit and settlement) component on Layer 1.
• Led the integration of multiple Cosmos chains (Atom, Kava, Osmosis, Celestia, etc.).
• Refactored Qredo Block Explorer, improving throughput by 30%.
• Conducted professional technical interviews and defined hiring standards for the blockchain engineering department.
Blockchain Engineer (Professional Services)
ConsenSys• Research and implementation of IaC for L1 and L2 blockchain networks (Starknet, Avalanche, Celo).
• Built Data Availability Committee (DAC) infrastructure for Arbitrum Nitro.
• Delivered high-stakes projects for ProtocolLabs and Codifi Assets RWA.
• Implemented blockchain health checks for EVMs.
• Performed technical recruitment interviews for senior protocol and frontend roles.
Senior Full-Stack Lead (Nearshore)
Rolex• Led the digital transformation of specialized luxury management workflows via Bubble-Go (Switzerland).
• Streamlined internal asset management systems, reducing manual processing time by 25%.
• Modernized legacy logic into a responsive, high-security Node.js architecture.
• Led technical interview processes for nearshore engineering talent.
Tech Lead
TechFirm Portugal• GoLang lead developer. Started a GoLang team, enforcing best practices.
• Main activities: Architect, Development full-stack, Estimations/allocation of work tasks, Selection of team members.
Technical Lead | Senior Software Engineer
BNP Paribas CIB• Architected modern microservices for Corporate and Investment Banking (CIB) systems, integrating NLP report analysis for automated insights.
• Engineered real-time SGR feed data integration to stream mission-critical market data to front-end dashboards.
• Developed an automated mail distribution system leveraging ML models for intelligent routing and prioritization.
• Migrated legacy monolithes to a containerized K8s architecture using Go and Skaffold for accelerated development cycles.
• Active member of the technical recruitment board, conducting high-level CIB engineering interviews.
Team Leader (Nearshore NTT Data)
BMW• Leading nearshore developer team working to BMW Munich.
• Trainer in Everis Academy, delivering technical excellence sessions to senior engineers.
• Conducted extensive recruitment interviews and technical tests for nearshore expansion.
• Established an inclusive culture and career progression roadmap in a high-performance developer group.
Senior Backend Specialist
CGD (Caixa Geral de Depósitos)• Optimized core banking services and redesigned payment processing modules to handle peak loads.
• Performed Java performance tuning and Oracle DB optimizations.
Lead Architect / Software Engineer
PT Inovação (AlticeLabs)• A 14-year journey of continuous improvement and engineering excellence, delivering mission-critical value across 4 continents.
• Architected performance-critical systems serving millions of subscribers across the Altice global network.
• Mastered the lifecycle of complex systems, from initial concept to decadal maintenance.
• Experienced technical interviewer for carrier-grade system engineering roles.
_technical
- • GoLang
- • TypeScript
- • NestJS
- • Kubernetes
- • Docker
- • AWS
- • GCP
- • OP Stack
- • CosmosSDK
- • Solidity
- • Terraform
- • Angular
- • Spring
- • Java
_domains
- • Blockchain
- • OSS Telecoms
- • Automotive
- • Banking