Principal Engineer, Mobile Platforms BR
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Posted on:
21 hours ago
Vacancies:
1 Vacancy
Job Summary
Principal Engineer Mobile Platforms - BR
The Opportunity:
This position is for an Engineer Principal (IC9) to join the Mobile Platforms BU.
Mobile Platforms is the BU responsible for Nubanks entire mobile foundation: we design build and operate the platforms that power the Nubank app across all markets. The BU is organized in three business areas App Foundations (core architecture app startup developer experience) App Enablement (navigation performance Backend Driven Content/BDC design system infra & Rosetta) and App Release (CI/CD release train observability app analytics & data). Together these areas provide the canonical Flutter BDC architecture tooling and guardrails that enable product teams to ship a fast reliable and consistent app at global scale.
About Nubanks Engineering Culture:
We believe in small independent teams a process-light environment and a culture of trust and collaboration. We made a strategic bet on Flutter and Server-Driven UI not just for technical reasons but because they empower our engineers to work end-to-end and scale our organization. You will be a key steward and champion of this culture driving technical decisions that reinforce our principles of autonomy and developer empowerment.
What we have to offer:
- The opportunity to lead the technical direction of Nubanks Mobile Platform the foundational system that underpins the Nubank app for tens of millions of customers across all markets.
- Ownership of multiyear highvisibility initiatives such as Mobile Destination Architecture native code deprecation app startup refactor navigation performance BDC evolution and App Excellence with clear impact on company OKRs.
- A uniquely crosscutting scope across App Foundations App Enablement and App Release spanning architecture developer experience CI/CD observability and data allowing you to shape how the entire engineering org builds mobile products.
- Space to grow your principallevel leadership: driving strategy defining technical roadmaps sponsoring other senior/principal engineers and representing Mobile Platforms in crosscompany forums and executive discussions.
- A highly collaborative environment with top mobile platform and experience design talent where you will partner closely with Magic App NuDS Growth and markets teams to deliver a worldclass consistent and highperformance app.
Core Qualifications (What Were Looking For)
- 10 years of software engineering experience with a proven track record of designing building and operating large-scale mobile applications or platforms at an enterprise level.
- Has deep expertise in mobile architecture (Flutter/Dart native bridges modularization mono-repo architectures) and can design endtoend solutions spanning app startup navigation state management and release lifecycle.
- Understands and can evolve BDC (Backend Driven Content) as Nubanks main serverdriven UI platform defining how BDC Flutter and NuDS work together to enable safe fast iteration without depending on store releases.
- Is capable of setting the technical vision for the three Mobile Platforms business areas (App Foundations App Enablement App Release) connecting architecture choices with companylevel goals such as App Excellence Magic App and Destination Architecture.
- Has a strong track record of leading large ambiguous crossorg initiatives e.g. nativetoFlutter/BDC migrations app startup refactors navigation performance programs or observability/analytics redesigns influencing dozens of squads and multiple BUs.
- Drives platform engineering at scale: defines canonical patterns RFCs and reference implementations; creates reusable tools/libraries; and ensures that internal customers can adopt the platform with low friction and high quality.
- Is comfortable leading through influence: aligning PMs EMs Staff/Principal engineers and leadership on tradeoffs (performance vs. flexibility platform vs. product) and making tough calls grounded in data risk and longterm sustainability.
- Invests heavily in technical leadership and mentorship raising the bar for senior engineers across Mobile Platforms and product BUs and building a strong culture around architecture reviews design docs and postincident learning.
- Cares deeply about observability reliability and release health for mobile: tying together app metrics (startup TTFD crashes jank) CI/CD feature rollout (BDC app releases) and oncall practices into a coherent strategy.
- Is motivated by working on a horizontal highimpact platform that directly shapes how every experience in the Nubank app is built released and monitored across Brazil Mexico Colombia and future markets.
If you feel interested in these challenges and want to work on a very engaged and talented team this is the place for you!
Role Location
São Paulo Campinas Rio de Janeiro or Belo Horizonte
Required Experience:
Staff IC
Key Skills
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About Company
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