Lead Mobile Engineer (Remote)

Department: Engineering

Location: Remote, Argentina, Brazil, Colombia, Mexico

Employment Type: FullTime

About the Role

We're looking for a Lead Mobile Engineer to own our mobile applications and shape the future of Aplazo's mobile experience. You'll build the apps that customers use daily to access credit, make payments, and manage their finances.

At this level, you're the technical leader of your squad—driving mobile architecture decisions, mentoring engineers, and delivering complex features end-to-end across our Flutter codebase.

What You'll Do

• Own mobile systems end-to-end — Design, build, and operate mobile applications from idea to production

• Lead technically — Run design reviews, set mobile architecture direction, and make technical decisions for your squad

• Mentor engineers — Help E1/E2 engineers grow through pairing, code review, and coaching

• Drive quality — Champion testing strategy, performance optimization, and observability for mobile

• Leverage AI strategically — Use AI for architecture exploration, refactoring, and test generation; build or champion AI-powered tools for the squad

• Optimize for mobile — Ensure apps perform well on devices with limited resources and varying network conditions

• Handle incidents — Lead incident response and postmortems for mobile issues

• Ship predictably — Break down ambiguous problems into clear milestones and deliver on commitments

What We're Looking For

Technical

• 5+ years building mobile applications

• Strong experience with Flutter/Dart (native iOS or Android experience also valuable)

• Deep understanding of mobile architecture patterns (clean architecture, state management)

• Experience optimizing for performance, battery life, and limited connectivity

• Solid testing practices for mobile (unit, widget, integration tests)

• Comfortable with CI/CD pipelines and mobile observability tools

AI Fluency

• Uses AI tools (Copilot, Claude, ChatGPT) daily for coding, debugging, and analysis

• Uses AI strategically for architecture exploration, large refactors, and prototyping

• Builds or champions squad-level AI-powered tools (e.g., test generation, code review automation)

• Keeps the team ahead of new AI capabilities relevant to mobile development

Leadership & Communication

• Experience mentoring engineers and leading technical discussions

• Clear communicator who can explain trade-offs to engineers, PMs, and stakeholders

• Strong technical documentation and knowledge-sharing practices

• Fluent in Spanish; working knowledge of English for cross-team collaboration

Mindset

• Product-minded—you care about user experience and business outcomes

• Strong ownership mentality; you see problems through to resolution

• Curious about fintech and how mobile apps can improve financial access

Nice to Have

• Experience in fintech, payments, or lending

• Native iOS (Swift) or Android (Kotlin) experience

• Backend experience (Java, Python, Go) for full-stack understanding

• On-call and incident response experience

• Contributions to mobile tooling, design systems, or shared components

Our Stack

Flutter/Dart · Riverpod · Clean Architecture · DataDog · CodeMagic · Jenkins
Backend: Java/Spring · AWS

Why Aplazo

Our mission is to empower financial access and opportunity across Latin America through fair, simple, and transparent solutions. Our tech vision: be the most beloved and innovative tech organization in Latin America.

We're a Series B fintech growing fast—you'll own the mobile experience that millions of customers use to access credit and manage their finances.

Personal data collected during the recruitment process will be processed in accordance with the Privacy Notice of Aplaz, S.A. de C.V. (“Aplazo”), available at our Privacy and Policy Notice.
Aplazo does not discriminate on the basis of race, religion, skin color, sex, gender, age, ethnic or national origin, marital status, disability, social or economic status, sexual preferences, or any other condition or characteristic. Selection is based solely on the qualifications and merits of the candidates.