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Senior Software Engineer & Consultant

17 years building software, 250+ projects shipped, 15+ countries. Browse my full work history, tech stack, and the results I've delivered for startups and enterprises.

0Years shipping software
0+Projects delivered
0+Countries visited
Adriano Junior, senior software engineer
Adriano JuniorSenior Software Engineer & Consultant
  • United States
  • United Kingdom
  • European Union
  • Latin America

Career Milestones

Quantifiable impact across 17+ years of engineering.

Career milestone

3 weeks

GigEasy MVP, kickoff to investor demo

First engineer at a Barclays and Bain Capital backed fintech. Shipped an investor-ready MVP in 3 weeks against a typical 10-week build.

0x fasterCuez API speed-up

3 seconds down to 300ms on a live-broadcast SaaS, with ~40% lower infra cost.

0+Payment providers at bolttech

Unified orchestration across Asia and Europe for a $1B+ unicorn at 99.9% uptime.

0k+Properties indexed at Imohub

Sub-0.5s search across a rebuilt real estate portal, 70% infra cost cut.

0+Projects delivered since 2009

Websites, applications, and AI automations shipped for founders and enterprises.

0 yearsShipping production software

Continuous delivery since 2009, from agency ownership to senior roles at scaleups.

Professional History

A track record of solving high-stakes technical challenges for startups and unicorns.

  1. Jan 2009 – Present

    Freelance Full Stack Engineer

    Independent work delivered directly to customers across Brazil and internationally, running in parallel with employment roles. One customer at a time, by design.

    50+ customers

  2. Sep 2023 – Nov 2024

    GigEasy

    Senior Software Engineer, United States. First engineer at a Barclays and Bain Capital backed fintech. Built the technical base on AWS with Pulumi.

    Investor-ready MVP in 3 weeks

  3. Jan 2023 – May 2023

    Imóveis SC → Imohub

    Chief Technology Officer, Brazil. Rebuilt the real estate portal as Imohub with a focus on performance, scalability, and cost reduction.

    120k+ properties indexed

  4. Apr 2021 – Jul 2023

    Cuez by Tinkerlist

    Senior Software Engineer, Belgium. Rescued a slow API blocking user growth for a live-broadcast SaaS and built media processing on AWS.

    API 10x faster (3s → 300ms)

  5. Jan 2020 – Apr 2021

    bolttech

    Senior Software Engineer, Portugal. Led the Payment Service and unified payment orchestration across Asia and Europe for a $1B+ unicorn.

    40+ payment providers integrated

  6. Oct 2020 – May 2021

    Manejebem

    Full Stack Engineer, Brazil. End-to-end backend, frontend, and DevOps for an agritech platform on GCP.

  7. Feb 2010 – Feb 2017

    W2O web softwares

    CTO, Brazil. Led a team of 15 developers serving 30+ customers and shipped 25+ custom software products.

    15 developers, 30+ customers

Academic Foundation

From Google's Data Analytics certificate to 17 years in production, each credential maps to real work.

Google Data Analytics Certificate

Coursera · Oct 2022 – Apr 2023

Certification in data-driven decision making. I use these skills to architect systems that turn data into insights.

Bachelor of Information Systems

Uniasselvi · 2011–2015

Comprehensive academic foundation in systems architecture. The bedrock for building stable, enterprise-grade apps.

Programming and systems development

SENAI · 2009–2010

Rigorous technical training in core development. This focus on fundamentals ensures I build efficient, bug-free code.

Mechatronics, Robotics and Control and Automation Engineering

SESI · 2007–2008

Engineering discipline combining logic and automation. Enables me to build complex, self-regulating digital systems.

Technical Arsenal

The specific languages and tools I use to build robust, scalable systems.

Languages

Foundational languages for robust, scalable software.

  • PHP
  • JavaScript
  • TypeScript
  • Node.js

Frameworks

Modern frameworks for fast, reactive, and SEO-friendly apps.

  • React
  • Vue.js
  • Next.js
  • Laravel
  • NestJS

Databases

Secure, scalable storage solutions for any data structure.

  • MySQL
  • PostgreSQL
  • MongoDB
  • Redis

DevOps

Cloud infrastructure and automation for reliable deployment.

  • AWS
  • Docker
  • Kubernetes

Artificial Intelligence

Cutting-edge AI integration for smart, automated features.

  • OpenAI
  • Claude AI

Development Tools

Essential tools for efficient workflow and collaboration.

  • Jira
  • GitHub
  • Bitbucket
  • GitLab
  • Linear

Hiring or collaborating?

Tell me about the role or project in 60 seconds. I'll reply within 24 hours with next steps. No middlemen, you work directly with me.