Valtech

Mobile Engineer

Valtech

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Tech Stack

AndroidGRPCJavaKotlinNode.jsPython

About the role

  • As a Mobile Engineer, you are passionate about experience innovation and eager to push the boundaries of what’s possible.
  • You will thrive in this role if you are:
  • A curious problem solver who challenges the status quo
  • A collaborator who values teamwork and knowledge-sharing
  • Excited by the intersection of technology, creativity and data
  • Experienced in Agile methodologies and consulting (a plus)

Requirements

  • 5 YEARS of experience in experience innovation
  • Strong experience with Android (Kotlin/Java), services, IPC/binding, background execution constraints.
  • Hands-on knowledge of Android Automotive OS (AAOS) fundamentals and in-vehicle UX constraints.
  • Familiarity with media controls: MediaSession, audio focus, Bluetooth audio behaviors, system intents.
  • Proven experience integrating an LLM (Gemini, OpenAI, etc.) into a product:
  • o tool/function calling patterns,
  • o prompt design for reliability,
  • o streaming responses, timeouts, fallbacks, and safety gating.
  • Strong API engineering skills: REST/gRPC, auth (OAuth2/JWT), rate limiting, caching, retries, circuit breakers.
  • Ability to implement a thin orchestration layer (Node/Java/Kotlin/Python) if needed for token brokerage and tool routing.
  • Practical security engineering: secure storage, certificate pinning (where applicable), transport security, least-privilege permissions.
  • Data minimization and privacy-by-design; experience with compliance requirements (LGPD/GDPR style).
  • CI/CD, Git-based workflows, code review hygiene.
  • Debugging at system level (logs, ANRs, memory/CPU, network profiling).
  • Strong stakeholder communication across OEM, supplier, and agency teams.
Benefits
  • Flexibility, with remote and hybrid work options (country-dependent)
  • Career advancement, with international mobility and professional development programs
  • Learning and development, with access to cutting-edge tools, training and industry experts
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
AndroidKotlinJavaAndroid Automotive OSAPI engineeringRESTgRPCOAuth2JWTCI/CD
Soft Skills
problem solvingteamworkknowledge-sharingcommunication