Senior Full-Stack Software Engineer

ThalesDomingues

Production-grade from day one.

Interface to services to data to quality to delivery.

View selected work Email me

01 / Selected work

Recent systems and the decisions behind them.

Three recent roles, shown through the scope, ownership, and outcomes most relevant to a hiring team.

01Multi-product fintech platform

Cirqul

Senior Full-Stack Software Engineer · Mar 2025–Present

Scope: Customer apps, internal operations, payments, and AI-agent tooling.
Owned: Platform architecture, shared TypeScript contracts, payment abstraction, and MCP tools.
Outcome: A common foundation shared by consumer and admin products.

TypeScript
Next.js
Node.js
PostgreSQL
Supabase
MCP

02White-label ticketing platform

TickX

Senior Full-Stack JavaScript Engineer · Jan 2022–Apr 2024

Scope: White-label event booking across brands, markets, and five languages.
Owned: Frontend architecture, embeddable booking, interactive 3D seats, and Stripe checkout.
Outcome: One configurable journey from event selection through Apple Pay and Google Pay.

TypeScript
React
Next.js
Hono
PostgreSQL
Stripe

03Fintech operations

Stone

Frontend Software Engineer · Jan 2020–Jan 2022

Scope: Internal operations for banking and payment workflows.
Owned: TypeScript modernization, RTK Query state architecture, automated coverage, and sprint releases.
Outcome: Safer server-state handling and broader test coverage around release work.

TypeScript
React
React Admin
RTK Query
Material UI
Cypress

02 / Core capabilities

Breadth without handoff gaps.

Product interfaces

Accessible React experiences, shared components, design systems, and complex user workflows.

React · Next.js · TypeScript · Design systems

Services + data

Typed Node.js services, PostgreSQL models, APIs, payments, and third-party integrations.

Node.js · PostgreSQL · GraphQL · REST · Payments

Quality + AI

Automated testing, CI/CD, cloud delivery, AI agents, and production MCP tooling.

Playwright · Cypress · CI/CD · AWS · MCP

03 / About

Engineering with context.

I’m a Brazil-based computer engineer who has spent my career working with distributed product teams.

I like the part of engineering where ambiguous requirements become practical decisions: what to simplify, what to standardize, and what deserves long-term investment.

Experience: 8+ years
Collaboration: Brazil · Europe · United States
Education: B.S. Computer Engineering
Language: English · Advanced

The selected work above covers my three most recent roles.

Complete experience on LinkedIn

04 / Connect

Looking for a senior engineer who can own across the stack?

If the role needs product judgment, technical depth, and reliable delivery, let’s talk.

Email me thdomingues.dev@gmail.com