Open to opportunities

Fernando Trouw

@fernandotrouw

Message

Senior fullstack engineer: I build production web platforms and blockchain protocols with secure, event-driven systems.

Netherlands

Message

What I'm looking for

I’m looking for a team where I can own fullstack architecture end-to-end—event-driven systems, secure smart contracts, and production DevOps—while leveraging AI integration to improve performance and cost without sacrificing reliability.

I’m a Senior Fullstack Engineer with 7+ years of experience building production-scale web platforms and blockchain protocols. I specialize in architecting event-driven systems and delivering smart contract solutions end-to-end, from clean APIs to secure on-chain logic.

At Blackwood Productions, I led development of CADE, an event-driven content automation platform that reduced content creation time by 80% and processed 1000+ articles daily across multiple pipelines. I also cut AI API costs by 70% using multi-layer caching, built a parallel web crawler, designed specialized Celery worker queues with priority routing and autoscaling, and implemented checkpoint-based recovery with health monitoring. I delivered a multitenant whitelabel dashboard powering 1500+ resellers worldwide and shipped tag-based CI/CD using GitHub Actions for staging/production.

In blockchain roles, I implemented attestation verification testing and built an automated worker analyzing 5.5M+ attestations for roughly 1.5M users, achieving a 50% performance improvement for POH attestation analysis. I provided technical analysis for ENSv2 migration on Linea, contributed to the Linea-ENS codebase serving 100k+ users, and built a smart contract security framework for onboarding new POH issuers to Verax. I’ve also led an NFT marketplace MVP that secured a $50K investment, and earlier supported sales through requirements, estimations, and pre-sales technical guidance while integrating smart contracts using test-driven development.

Experience

Work history, roles, and key accomplishments

Current

Lead Developer

Current

Blackwood Productions

Oct 2022 - Present (3 years 9 months)

Architected CADE, an event-driven content automation platform, reducing content creation time by 80% and processing 1000+ articles daily. Built a multitenant whitelabel dashboard and implemented RESTful APIs with CI/CD, caching, and resilient Celery worker queues to reduce AI API costs by 70%.

Python PHP fastAPI Celery PostgreSQL Redis Docker AI ML Flower Ansible Next.js React TypeScript GitHub Actions CI CD Event Driven Systems RESTful APIs Checkpoint Based Recovery WordPress WordPress Plugin Web Crawling

Sr. Fullstack Engineer

ConsenSys

May 2024 - Feb 2025 (9 months)

Implemented comprehensive unit tests for attestation verification on the POH API and built an automated data analysis worker processing 5.5M+ attestations for ~1.5M users. Improved POH worker performance by 50%, supported ENSv2 migration on Linea, contributed to the Linea-ENS codebase, and implemented a smart contract security framework for onboarding new POH issuers to Verax.

Solidity TypeScript React NestJS Viem PostgreSQL Tailwind Unit Testing Attestation Automated Data Analysis Workers Performance Optimization ENSv2 Migration Linea ENS Smart Contract Security Verax Attestations

Lead Developer

HeirloomDAO

Feb 2022 - Jan 2023 (11 months)

Led MVP design for an NFT marketplace concept that secured a $50K investment. Engineered the NFT marketplace smart contract protocol in Solidity with JWT authentication via Lit Protocol for token gating, and established front- and back-end codebases while managing a team of 2.

Solidity JavaScript React Web3.js PostgreSQL NFT Marketplace Smart Contracts JWT Lit Protocol Token Gating Team Leadership

Blockchain Engineer

SmartDev

Feb 2019 - Feb 2022 (3 years)

Dissected project requirements, provided estimations, and crafted statements of work guiding planning and execution. Provided technical support to the sales team and integrated smart contracts into backend and frontend systems using test-driven development.

Solidity TypeScript React Project Management Pre Sales Test Driven Development Backend And Frontend Systems

Education

Degrees, certifications, and relevant coursework

Avans University of Applied Science (ESSET)

Bachelor of Science, Environmental Science

2012 - 2017

Activities and societies: Worked with companies across Energy, Waste-management, Risk and Safety, and GIS, producing reports on experimentation, analysis, and advice.

Earned a B.S. in Environmental Science with a minor in Environmental Geography and Atmospheric Science. Developed broad competencies across scientific research, development, experimentation, management, advising, instruction, supervision, and self-management.