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

January 2026 - PresentLuxembourg / Remote

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.

JavaSpring BootGoLangKubernetesDockerAzure
April 2024 - PresentUSA

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).

GoLangTypeScriptOP StackKubernetesAWSKustomize
OngoingRemote

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.

MCPWeb3LLMsGoLang
December 2022 - September 2023Lisbon, Portugal

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.

GoLangCosmosSDKBlockchainREST APIsgRPCDockerKubernetesAWSPostgreSQL
November 2021 - December 2022USA

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.

GoLangSolidityTypescriptInfuraTrufflePulumi
2021Switzerland / Remote

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.

Node.jsPostgreSQLAzureSecurity Hardening
October 2020 - November 2021Lisbon, Portugal

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.

GoLangk8sokdminikubekustomizeskaffoldgitlab
June 2019 - October 2020Lisbon, Portugal

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.

ReactJavaGoLangSpring BootKubernetesSkaffoldKafkaDockerNLPML
June 2016 - September 2018Lisbon, Portugal / Munich

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.

JavaSpringAngularDockerRancherAgile
Pre-2016Lisbon, Portugal

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.

Java EEOracle DBWebSphereEnterprise Security
September 2001 - June 2015Aveiro Area, Portugal

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.

JavaPerformance ProfilingTelecom ProtocolsDistributed SystemsDevOps

_technical

  • GoLang
  • TypeScript
  • NestJS
  • Kubernetes
  • Docker
  • AWS
  • GCP
  • OP Stack
  • CosmosSDK
  • Solidity
  • Terraform
  • Angular
  • Spring
  • Java

_domains

  • Blockchain
  • OSS Telecoms
  • Automotive
  • Banking

_education

Universidade de Aveiro/Engineer's degree, Electronics and Telecommunications
1993 - 2002