Senior Software Engineer - AI-First, Remote-First

QuintoAndar; Portugal; Remote; EUR 73,000 - 122,000; Full time

Benefits offered by this job

Competitive salary

Profit sharing

Meal allowance

Health insurance

Dental plan

Life insurance

Childcare subsidy and Atypical Parent­

Wellhub

Home office allowance

Employee assistance program

Extended parental leave

Day off on birthday

Benefits Club

Discounts at educational institutions

Reading kit for children – PlayKids

Job summary

Grupo QuintoAndar seeks a Staff Software Engineer to drive technical execution in a remote-first setup with optional São Paulo office access. You will tackle high-impact distribution problems, architect scalable systems for real-time ML processing, and guide teams through an AI-first pivot.

Expect to work with Java, Kotlin, Node.js, Go, Python, React, and AWS, while valuing problem-solving, adaptability, and an engineering mindset above specific stacks.

Qualifications

• 10+ years of software development experience, delivering high-volume, distributed systems.
• Deep knowledge of modern software architecture, data consistency, fault tolerance and optimization.
• Experience with data-intensive applications and scaling ML/AI features.
• Ability to articulate engineering trade-offs concretely (simplicity vs. flexibility, velocity vs. reliability).
• Proven track record removing barriers to collaboration and fostering inclusive engineering culture.
• Fluency in Portuguese and English (mandatory).

Responsibilities

• Lead the design and delivery of scalable systems for AI-first initiatives.
• Analyze trade-offs and guide teams through complex architectural decisions.
• Collaborate across teams to ensure reliability, latency, and cost efficiency of distributed services.
• Architect and evolve data pipelines and microservices to support real-time ML processing.

Skills

Distributed systems

Software architecture

ML/AI readiness

Portuguese fluency

English fluency

AI/ML features

High concurrency

Cost optimization

Tools

Java

Kotlin

Node.js

Go

Python

React

AWS

Claude Code

Job description

Grupo QuintoAndar seeks a Staff Software Engineer to drive technical execution in a remote-first setup with optional São Paulo office access. You will tackle high-impact distribution problems, architect scalable systems for real-time ML processing, and guide teams through an AI-first pivot.

Expect to work with Java, Kotlin, Node.js, Go, Python, React, and AWS, while valuing problem-solving, adaptability, and an engineering mindset above specific stacks.