Senior React Native Engineer, Mexico City
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Job Location:
Mexico City - Mexico
Monthly Salary:
Not Disclosed
Posted on:
8 hours ago
Vacancies:
1 Vacancy
Job Summary
About Lab49
Lab49is an NYC-based awardwinning specialist consultancy that creates bespoke technology in partnership with the worlds leading financial institutions. Founded in 2002 to bring Silicon Valley engineering practices to Wall Street weve delivered hundreds of highimpact projects across global investment banks and buyside firms spanning distributed systems highperformance automation enterprise UX cloud and datadriven platforms.
At Lab49 engineers work directly with clients to design and deliver production systems. We combine technology design and business to solve real problems where quality performance and clarity matter.
We are currently seeking aSenior React Native Engineerto design and build a new greenfield mobile application for buyside investment management research workflows. The mobile app will integrate into an existing webbased platform and will be built for iOS and Android from day one.
The Role
As aSenior React Native Engineer you are an experienced autonomous contributor who takes ownership of significant parts of a system and helps elevate the engineers around you.
This role sits at the intersection of handson mobile engineering architecture and consulting. You will be the first mobile engineer on the initiative responsible for defining the application foundations establishing patterns and making practical tooling decisions that enable longterm success.
You will work directly with clients and collaborate closely with designers and backend engineers to ensure the mobile experience aligns cleanly with an existing platform including shared design systems domain models and authentication.
This is a hybrid role requiring 1 day per week at the office in central CDMX (Insurgentes Sur).
What You Will Be Doing
Technical Ownership & Delivery
- Start a new greenfield React Native application and drive it from early foundations through production release.
- Own the design and implementation of major features and core application architecture.
- Build highquality scalable mobile experiences using React Native and modern JavaScript/TypeScript.
- Define and evolve patterns for navigation state management data access error handling performance and testing.
- Integrate the mobile app into an existing platform by aligning with shared design systems domain models and authentication approaches.
- Consume a production GraphQL API implemented collaborating with backend partners to evolve the schema as mobile requirements become clearer.
- Build dataintensive views backed by paginated APIs ensuring strong perceived performance and usability.
- Ensure testing quality and maintainability are built into the system from the start.
Leadership & Mentorship
- Work autonomously while guiding lessexperienced engineers through mentoring pairing and code reviews as the team grows.
- Lead small initiatives or workstreams and help ensure timely highquality delivery.
- Act as a role model for strong engineering judgment ownership and collaboration.
Client & Stakeholder Collaboration
- Partner directly with client counterparts to understand user and business objectives.
- Collaborate closely with designers and partners on UX wireframing and highquality UI implementation.
- Communicate technical ideas clearly to both technical and nontechnical stakeholders.
- Contribute to building trustbased client relationships as a reliable technical partner.
What Success Looks Like
- In your first 612 months success means:
- You establish a strong mobile foundation and ship a productionquality iOS and Android application.
- The mobile app integrates cleanly with the existing platform aligning with shared design domain and authentication standards.
- You independently own and deliver key mobile components or features endtoend.
- You proactively identify risks tradeoffs and improvement opportunities addressing them early.
- Clients trust your judgment and value your contributions.
- Other engineers rely on you for guidance clarity and technical leadership as the mobile capability grows.
What You Should Have
- 68 years of experience designing and building production software.
- Strong commercial experience building production mobile applications with React Native.
- Experience shipping and operating apps on both iOS and Android.
- Strong proficiency in modern JavaScript and TypeScript.
- Solid understanding of mobile application architecture performance and reliability.
- Experience consuming GraphQL APIs in production and collaborating on schema evolution.
- Solid understanding of SDLC practices CI/CD automated testing with tools such as Detox or Maestro and code quality.
- Excellent written and spoken English communication skills (C1 is highly preferred)
Bonus Points
- Experience defining architecture and patterns for greenfield products.
- Backend & cloud engineering exposure (.NET & Azure) to support crossteam collaboration.
- Experience with cloud platforms and dataintensive systems.
- Background in financial services consulting or similarly complex domains.
Why Lab49
At Lab49 youll work on complex meaningful problems with talented engineers designers and consultants. Youll gain broad exposure to technologies business domains and client environments as you grow your career.
We value curiosity judgment and ownership. If you care about quality enjoy helping others succeed and want your work to have real impact Lab49 is a place where you can thrive.
Our Hybrid Work Model
This role is based in Mexico City with a hybrid work model. Team members typically work in person one day per week and more when needed collaborating closely with teammates in Mexico and the US. We believe this balance supports both flexibility and the collaboration needed to deliver excellent outcomes.
We may use artificial intelligence (AI) tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed please contact us.
Required Experience:
Senior IC
Key Skills
- APIs
- C/C++
- Computer Graphics
- Go
- React
- Redux
- Node.js
- AWS
- Library Services
- Assembly
- GraphQL
- High Voltage
About Company
ION financial software improves decision making, simplifies complicated processes and empowers you by providing the right tools.
