Posted 19 months ago

Senior Python Backend Engineer, Financial Systems

São PauloRemoteFull-time

AI Summary

Senior Python Backend Engineer responsible for designing and delivering production-grade AI agents for financial insurance workflows, shaping platform architecture, and collaborating with product to implement secure, scalable features.

About this role

AI for Makers
We're Makers. In 2025, we set out to build something most teams only talk about. We embedded AI so deeply into our development workflows that we were over 10x more productive. Being on the bleeding edge isn't a strategy here. It's who we are.

We don't talk about the future of engineering. We're living it.

Logistics
This is a fully remote based role, however candidates must be located in Argentina or Brazil. Note: this is a long-term Independent Contractor position.

Please submit your resume in English.

Our tools & stack

Python, MySQL, AWS
Claude, Codex, Cursor, Copilot, LangChain, LangGraph, LangFuse, OpenRouter, FastMCP

What you'll do

Design and ship production grade AI agents for financial insurance workflows where latency, observability and reliability are non-negotiable

Shape the architecture of a financial platform complex enough to challenge even the best engineers

Partner with product to ship secure, user friendly features that tackle complex models and calculations

Own the creation and maintenance of unit tests, using AI assisted testing to increase coverage and reduce defect rates

Solve performance, scalability, and reliability challenges that keep our systems running at peak efficiency

Work with a team that gets genuinely excited about what they're building and can't wait to share it

Actively track emerging financial AI tooling and bring concrete recommendations back to the team

What you’ll bring

Bachelor’s Degree or higher in Computer Science or a related field

5+ years of experience in Python web development, particularly with financial systems or modules

3+ years with SQL databases (e.g., MySQL, PostgreSQL)

3+ years of SaaS product development, including cloud based solutions

3+ years of hands on experience with Django or another Python framework

2+ years of proven experience building and consuming APIs for financial transactions

Daily, deliberate use of agentic AI coding tools such as: Claude, Cursor, Codex

Proven ability to direct AI agents on multi file, long horizon tasks

Advanced mathematical skills in financial modeling, algorithms, and data processing

Hands on experience with frontend frameworks like Vue.js or React

Professional experience working with Docker for containerization and AWS

Excellent verbal and written communication skills

Bonus points

2+ years of experience working at a scaling startup

Experience with spec driven development: using AI to generate tests, scaffolding or architecture from requirements

Hands on experience building production AI agents or multi-step LLM pipelines using LangChain, LangGraph, or equivalent orchestration frameworks

Proven use of Agent Teams in Claude Code, multi agent orchestration via Codex, or similar parallel agentic workflows

Experience working in the fintech or financial services vertical

Skills

AWSClaudeCodexCopilotCursorDjangoDockerFastMCPLangChainLangFuseLangGraphMySQLOpenRouterPostgreSQLPythonReactVueJS

Senior Python Backend Engineer, Financial Systems

About this role

What you'll do

What you’ll bring

Bonus points

Skills

Explore related jobs

More jobs at BriteCore

Similar AWS jobs

Jobs in São Paulo

Browse these categories