Nicholas Jiunchetti

Senior Fullstack Engineer · TypeScript · React · Node.js

nickjiunchetti@gmail.com · +55 11 95186-5776
LinkedIn · GitHub · n1ck.ninja
São José dos Campos, Brazil (GMT-3) · Open to relocation

Summary

8 years building production software for US-based and international companies as a remote contractor from Brazil. Core stack is TypeScript, React, and Node.js. Recent work spans a global BI platform at AbbVie serving senior leadership and board level stakeholders across multiple regions, a laboratory management system for Jackson Laboratory, and white-label payment infrastructure at REPAY powering 10+ products across dozens of financial institutions. Background in engineering before software, including real-time industrial safety systems and lean process optimization, which shapes how I approach complex, high-stakes systems. Available immediately.

Skills

Full, interactive breakdown in stack.yaml.

Experience

Senior Fullstack Engineer · AbbVie · Oct 2024 – Apr 2026

Pharmaceutical · Remote · Contractor · International

Delivered a self-service business intelligence platform on Palantir Foundry enabling board-level and senior leadership across multiple regions to assemble custom dashboards through a guided layout builder, replacing manual reporting cycles.

Designed and implemented multi-layered RBAC enforcing access simultaneously at layout family, component, and data levels
Engineered query and rendering performance to keep dashboards interactive on consolidated global sales data
Operated as a senior engineer within a 50+ person enterprise program (~15 engineers) coordinating across regions and time zones

Senior Frontend Engineer · Arke Systems · Oct 2023 – Oct 2024

Biotech / Software House · Remote · Contractor · International

One of two engineers on a dedicated product team owning the full frontend of a laboratory management platform for Jackson Laboratory, one of the world's leading genetic research institutions.

Translated complex biotech workflows directly with the client into an accessible research catalog and services interface used by researchers globally
Owned the entire frontend as sole frontend engineer on a two-engineer product team, with direct client exposure throughout delivery
Integrated Content Stack headless CMS to manage research catalog content and publication workflows

Frontend Engineer · REPAY · Jun 2022 – Oct 2023

Fintech / Payments · Remote · Contractor · International

Core team engineer at a US fintech building white-label payment infrastructure, client-branded portals serving B2B institutions and B2C end-users across automotive, healthcare, government, and consumer finance sectors.

Owned the shared frontend library powering 10+ internal products across the company
Held priority maintenance responsibility on REPAY's flagship payment processing product
Delivered under banking-grade security and compliance constraints across a multi-tenant architecture serving several dozen financial institutions

Senior Fullstack Engineer · Leo Madeiras · Feb 2021 – Jun 2022

Retail / E-commerce · Remote · Full-time

Senior fullstack engineer on Brazil's largest wood and construction materials retailer maintaining a unified sales platform across 120+ physical stores and e-commerce, including international locations in Paraguay. System served tens of thousands of monthly users.

Maintained a single codebase powering both in-store and online commerce at national scale across Brazil and Paraguay
Ran off-hours production deployments to preserve availability during retail business hours

Frontend Engineer · HomeHub · Apr 2020 – Feb 2021

Real Estate / Proptech · Remote · Full-time

One of two engineers reporting directly to the CEO and CTO of a premium real estate startup targeting the Rio de Janeiro market, serving several thousand monthly users.

Built the platform end-to-end across property search and listing UX, internal contract management, document handling, and payment flows
Operated with high autonomy on a two-engineer team with direct founder exposure on product and technical decisions

WordPress Developer & IT Support · UNIFEI · Aug 2019 – Apr 2020

Public Sector / Education · Remote · Internship

Maintained and modernized the federal university's WordPress platform during the COVID-19 pandemic transition to remote learning. Supported faculty and students adapting institutional processes to home-office and e-learning environments during the initial lockdown period.

Frontend Engineer · Honeywell · Jan 2019 – Jul 2019

Industrial Safety / IoT · Remote · Internship

University-partnered project developing Safety-Gate, an industrial worker safety platform for a high-risk work site in Itajubá. System included active safety interlocks that blocked tools and processes when conditions were not met.

Monitored heavy machinery pressure and motion to prevent crush injuries, worker biometrics including body temperature and location, and environmental sensors covering gas leaks, temperature and ambient conditions
Built real-time alerting dashboard for site safety supervisors

Frontend Engineer · Solver Technologies · Nov 2017 – Dec 2018

Industrial Safety / Environmental Monitoring · On-site · Startup

Second developer at a 6-person university startup building disaster-prevention infrastructure for Mariana and Brumadinho, sites of Brazil's two most catastrophic mining dam collapses.

Developed a real-time monitoring dashboard for 100+ physical sensors capturing tremor intensity, structural displacement, water level, and ambient conditions at per-second frequency with 100% uptime requirements
Conducted multi-day field installations physically mounting sensors at height and underwater in remote rural areas, served as the team's designated driver and received formal off-road driving certification from Vale to safely access remote sites across severely degraded terrain

IT & Telemetry Analyst · Expresso Valônia · May 2017 – Nov 2017

Urban Transportation · On-site · Internship

Analyzed vehicle telemetry data to generate operational reports on fuel efficiency and safety KPIs. Delivered driver training sessions that reduced fuel consumption by 17% and improved safety KPIs by 22%.

Planning Engineer · Schlumberger (formerly Cameron) · May 2016 – May 2017

Oil & Gas · On-site · Internship

Engineering internship during the Cameron-Schlumberger merger integration. Applied lean methodologies to complete maintenance of 23 Christmas tree wellhead assemblies valued at 1.1M BRL, avoiding 672K BRL in delay fines and generating 356K BRL in clean revenue from 14 units delivered on schedule.

English Instructor · Self-employed · Jul 2016 – May 2017

Education · On-site · Freelance · Concurrent with Schlumberger internship

Ran a freelance English teaching practice serving multiple Schlumberger colleagues across three classrooms, driven by language demands introduced by the Cameron-Schlumberger merger. Generated income exceeding the concurrent internship salary.

Education

Bachelor's Degree, Computer Engineering UNIFEI · Federal University of Itajubá · 2016 – 2020 One of Brazil's top federal engineering universities

Best Player of the Year · Athletics & Leadership Associação Atlética Acadêmica, UNIFEI · 2016 Closed a clothing-brand sponsorship providing team uniforms and ongoing revenue share for the association.

Academic Exchange, English Front Range Community College, Colorado, USA · 2013 Full academic exchange program in Colorado.

Certifications & Training

Databases: Modeling and Theory · Stanford Online · 2020
Six Sigma Green Belt · UNIFEI · 2018
Leadership and Management · Schlumberger · 2018
Off-road Driving Certification · Vale · 2018 (Formal certification received from Vale to safely access remote sensor installation sites at Mariana and Brumadinho)

Languages

Portuguese (Native) · English (Fluent) · Spanish (Advanced) · Japanese (Beginner)