Senior Android Platform Engineer - Fintech Unicorn

Ajaib; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Performance bonus

Private insurance

Paid time off

Learning & development

Hybrid work arrangement

Career growth

Employee perks

Collaborative & high-ownership culture

Job summary

Ajaib Group is seeking a Senior Android Platform Engineer to build the Android foundations across multiple product teams. You will own architecture, shared libraries, and SDKs, ensuring secure sign-in, device security, and robust build and release tooling.

You will mentor engineers and drive performance and quality across a globally distributed platform team. The role emphasizes ownership, impact, and the opportunity to shape engineering standards for a fintech unicorn with a fully remote setup.

Qualifications

• Bachelor's degree in Computer Science or equivalent practical experience.
• 5+ years of professional mobile engineering, including building shared libraries, SDKs or tooling used by several teams in consumer Android apps with a large user base.

Responsibilities

• Design, build and maintain shared Android foundations: app architecture, modules, design system and shared libraries.
• Own features end to end: design, implementation, testing, release and support for the teams that use them.
• Keep shared libraries stable: clear APIs, semantic versioning, migration guides and safe deprecation.
• Build accessible, themeable Jetpack Compose components that product teams can adopt without custom work.
• Build and improve secure sign-in, token storage, biometric and device security features, working with backend and Security teams.
• Improve build speed, modularization, CI/CD pipelines and release automation for all Android teams.
• Set and measure quality standards, such as crash‑free rate, ANR rate, startup time and app size.
• Write maintainable, well‑tested code and give thoughtful code reviews.
• Investigate production issues from crash reports and feedback from product teams, and ship lasting fixes.
• Mentor mid‑level engineers and share good Android practices across teams.

Skills

Kotlin

Android SDK

Jetpack Compose

CI/CD tooling

Security patterns

Education

Bachelor's degree in Computer Science

Tools

Gradle

Library publishing

Job description

Senior Android Platform Engineer - Fintech Unicorn — Remote

Career Level & Market Positioning: "Senior Android Engineer II" signals a mid-to-upper senior level, often corresponding to Staff Engineer trajectory. For platform/infrastructure-focused Android roles, this is a high-leverage position — your work multiplies the output of multiple product teams, which is a strong signal for future Staff or Principal Engineer roles.

Compensation Context: No salary is disclosed. For this level in Southeast Asia (Indonesia/Thailand), market rates for senior platform Android engineers typically range from $60K–$100K USD annually at funded startups, with top-tier fintech companies offering higher. Given Ajaib's $270M Series C and unicorn status, compensation is likely competitive within the regional market, but may trail US/EU equivalents.

Skills You’ll Build:

• Platform engineering at scale — multi-module architecture, SDK design, and library versioning are highly transferable and in-demand skills.
• Jetpack Compose expertise — still a growing skill with high market demand across the Android ecosystem.
• Fintech security patterns — secure storage, biometric auth, and token management are specialized skills valued across regulated industries.
• CI/CD and build tooling — increasingly valued as "platform" and "developer experience" roles grow in prominence.

Culture Signals: The description emphasizes ownership, impact, and mentorship — typical of a growth-stage unicorn where individual contributors have outsized influence. The engineering team appears globally distributed and technically ambitious.

Green Flags: Backed by Tier-1 investors, largest Series C in SEA in 4 years, explicit L&D budget, and a platform role with real internal influence. Watch for: "hybrid" language may imply some office expectations depending on your location.

Founded to transform retail finance, Ajaib Group is an Indonesian fintech unicorn breaking barriers to financial access. Having recently secured a $270M Series C—the single largest funding round in Southeast Asia over the past four years,we are backed by premier global investors including Y Combinator, Ribbit Capital, SoftBank, and SBI Holdings.

To build world-class products, we assemble world-class talent. Supported by our fully remote work arrangement, our team spans Eastern Europe, the Middle East, India, and Southeast Asia, allowing you to work with brilliant engineers and builders from around the globe from wherever you are. We operate with an impact-driven purpose where everyone is the owner of our customers' satisfaction. Driven by a growth mindset and a fierce will to win, we refuse to settle and constantly push engineering boundaries.

Role Overview

As a Senior Android Engineer II in the Platform team, you build the Android foundations that every Ajaib product team builds on: the app architecture, design system, shared libraries and SDKs, secure sign-in and device security, and the build and release tooling. You own these foundations from design to release, treat other engineers as your customers, and help the engineers around you do better work.

• Design, build and maintain shared Android foundations: app architecture, modules, design system and shared libraries.
• Own features end to end: technical design, implementation, testing, release and support for the teams that use them.
• Keep shared libraries stable: clear APIs, semantic versioning, changelogs, migration guides and safe deprecation.
• Build accessible, themeable Jetpack Compose components that product teams can adopt without custom work.
• Build and improve secure sign-in, token storage, biometric and device security features, working with backend and Security teams.
• Improve build speed, modularization, CI/CD pipelines and release automation for all Android teams.
• Set and measure quality standards, such as crash‑free rate, ANR rate, startup time and app size.
• Write maintainable, well‑tested code and give thoughtful code reviews.
• Investigate production issues from crash reports and feedback from product teams, and ship lasting fixes.
• Mentor mid‑level engineers and share good Android practices across teams.

Requirements

• Education: Bachelor's degree in Computer Science or equivalent practical experience.
• Experience: 5+ years of professional mobile engineering, including building shared libraries, SDKs or tooling used by several teams in consumer Android apps with a large user base.
• Languages & Frameworks: Strong in Kotlin and the Android SDK; experience with Jetpack Compose, Coroutines/Flow and modern architecture patterns (MVVM, clean architecture).
• Architecture & Tooling: Experience with multi-module apps, Gradle, build performance and library publishing.
• Quality: Solid experience with unit and UI testing, CI/CD, crash monitoring and performance profiling.
• Security: Working knowledge of secure storage, authentication on mobile and device security.
• Mindset: Ownership mindset, clear communication and a service attitude toward internal users. Experience in fintech or another regulated, high‑traffic consumer product is a plus.
• Performance Bonus — Get rewarded for the impact you make
• Private Insurance — Comprehensive health coverage for you
• Paid Time Off — Take the time you need to recharge and come back stronger
• Learning & Development — Company-sponsored training, courses, and professional certifications
• Hybrid Work Arrangement — Enjoy the flexibility of working both remotely and from the office
• Career Growth — Work closely with experienced leaders and take on meaningful ownership as we scale
• Employee Perks — Enjoy exclusive discounts, partnerships, and lifestyle perks
• Collaborative & High-Ownership Culture — Work with smart, driven people in cross‑functional teams, take ownership, and make a meaningful impact for our users.

Is this role truly fully remote or is there an office requirement? Ajaib describes a fully remote work arrangement with team members across Eastern Europe, the Middle East, India, and Southeast Asia. However, the benefits section also mentions a 'Hybrid Work Arrangement,' which may imply some office presence depending on your location. What countries can I work from in this role? The job description explicitly references team members in Eastern Europe, the Middle East, India, and Southeast Asia, suggesting candidates from those regions are welcome. The location hint also specifically names Indonesia and Thailand. What is the seniority level and experience required? This is a Senior Android Engineer II role requiring 5+ years of professional mobile engineering experience, specifically including work on shared libraries, SDKs, or platform tooling used by multiple teams in large-scale consumer Android apps. Is fintech experience required for this position? Fintech or regulated consumer product experience is listed as a plus, not a strict requirement. The core requirements focus on Android platform engineering, Kotlin, Jetpack Compose, and security knowledge. What does the Platform team do at Ajaib, and how is it different from product teams? The Platform team builds the shared Android foundations — architecture, design systems, shared libraries, SDKs, CI/CD tooling, and security features — that all product teams at Ajaib build upon, treating internal engineers as their primary customers.

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