Open to new rolesBogotá, Colombia
Juan David Suárez
Full-Stack Software Engineer / Technical Lead
I design and build software end to end, and lead the teams that ship it. I care about systems that are correct, legible, and made well enough to last.

Selected work
A few things I have built and led.

Lotto.Works(opens in a new tab)
Buy official PCSO lottery tickets in the Philippines through LottoMatik. Local payments (Maya, QR Ph) and USDT, prices in PHP and USD, and verifiable digital proof of every ticket in the player's account.
lotto.works
- Backend
- Frontend
- Infrastructure
- DevOps

La Casa del Cheesecake(opens in a new tab)
Made-to-order cheesecakes delivered across Cali: one house recipe under seven sauces, from single portions to cakes for 10 to 12, ordered on the site and confirmed over WhatsApp with no account or online payment.
lacasadelcheesecake.com
- Infrastructure
- DevOps

Arca Wallet(opens in a new tab)
A non-custodial wallet for digital dollars (USDC and USDT) on iOS and Android: hold, send and save in dollars without a bank account, in several languages.
arcawallet.app
- Infrastructure
- DevOps

DAG Explorer(opens in a new tab)
The explorer for Constellation's mainnet: snapshots, transactions, metagraphs, validators and delegated staking, with wallet connection. More than 37 million snapshots recorded.
mainnet.dagexplorer.io
- Frontend

Lattice(opens in a new tab)
The Web3 gateway to the Constellation ecosystem: token-lock governance, rewards and commission programs, a launchpad, cross-chain swaps and node management. More than 37 million LTX locked in governance.
lattice.is
- Backend
- Frontend
- Infrastructure
- DevOps

Constellation Digital Evidence(opens in a new tab)
A console for registering cryptographic fingerprints that prove data has not been altered, with API access, plans, documentation and a public explorer.
digitalevidence.constellationnetwork.io
- Frontend

DOR Metagraph Explorer(opens in a new tab)
A real-time explorer for the DOR metagraph: more than 3,000 active sensor nodes, snapshots, token circulation, device check-ins and commissions.
explorer.getdor.com
- Backend
- Frontend

Constellation Network(opens in a new tab)
The corporate site of Constellation Network, the verified data layer for AI and critical systems.
constellationnetwork.io
- Frontend
Experience
Where I have worked.
Full Stack Software Engineer & DeFi Developer
Lattice Exchange · Full-time
Sep 2021 – Present· 4 yrs 10 mos
Full Stack Software Engineer
Constellation Network · Full-time
Jul 2021 – Present· 5 yrs
Full Stack Software Engineer
Dor Technologies · Full-time
Jul 2021 – Dec 2022· 1 yr 6 mos
Full Stack Developer
DAISVAL Group S.A.S. · Seasonal
Dec 2019 – Dec 2022· 3 yrs 1 mo
Senior Software Developer
PersonalSoft · Full-time
Jul 2021 – Aug 2022· 1 yr 2 mos
Desarrollador Web & Consultor
Fondo de Empleados CNG · Part-time
Feb 2017 – Jun 2021· 4 yrs 5 mos
Full Stack Developer & Consultant
2V Construcciones · Part-time
Jan 2020 – Mar 2021· 1 yr 3 mos
Education
Universidad Nacional de Colombia
About
Who I am, and how I work.
I am a full-stack engineer and technical lead. I work across the stack, from data models and infrastructure to the interface, and I lead by setting a clear technical direction and holding the bar on quality.
I would rather pay upfront for the right foundation than cut a corner and pay for it later. Precision, clarity, and well-made work are the point, not the polish on top.
- Based in
- Bogotá, Colombia
- Most recently
- Constellation Network · Lattice Exchange
- Focus
- Full-stack, DeFi / Web3, cloud infrastructure
- Stack
- TypeScript, React, Node, Solidity, Python, AWS
- Working in
- English / Spanish
Contact
The fastest way to reach me.
For roles, contract work, or a conversation, book a call or write to me directly.