Founding Engineer

4 hours ago

São Paulo, BrazilSenior

Base Salary

$45k - $80k/yr

Responsibilities

Design, build, and operate backend services and public APIs for customers and partners.
Develop integrations with ERP systems, banks, and financial document and file sources.
Build ETL pipelines with data-quality controls, validation, and reconciliation.
Establish observability and operational practices including logging, metrics, alerts, incident response, and on-call readiness.
Collaborate with founders and customers to identify problems, prototype solutions, measure impact, and decide what to build or retire.
Apply LLMs where they provide measurable value with appropriate production guardrails.
Document architectural decisions and improve engineering quality, testing, and security practices.

At least 5 years of backend engineering experience delivering and owning production systems end to end.
Strong experience with OLTP systems, relational data modeling, REST APIs, transactional data, and consistency and availability trade-offs.
Experience integrating complex external APIs, including authentication, rate limits, retries, and webhooks; financial or ERP integrations are especially relevant.
Ability to extract, validate, and normalize data from PDFs, XML, and email.
Practical cloud and DevOps skills, including AWS or GCP, Docker, CI/CD, and production logging and monitoring.
Experience with ETL, data quality, reconciliation, and operational excellence.
Familiarity with accounting and ledgers, including double-entry bookkeeping and journal entries, is beneficial.
Experience with event-driven systems, workflow engines, and production LLM deployments is a plus.
Fintech or B2B SaaS experience, founding-engineer experience, and basic React or Next.js skills are helpful.
Comfort working with ambiguity, shifting priorities, and incomplete specifications.