Join Truecaller – The place where innovation meets impact!

Truecaller's mission is to build trust in communication by making it safer, smarter, and more efficient. Born in Sweden, trusted by the world, and here’s why we stand out:

We are trusted by over 450 million active users every month across 190+ countries
We identify over 15 billion calls daily, helping users avoid spam and scams
We are powered by a team of 450+ employees from 45+ nationalities

We always look for people who take initiative, own their work, and keep raising the bar. An entrepreneurial mindset matters here, especially when it turns bold ideas into real actions. We stay collaborative and focused, always searching for smarter paths forward. If you want to make an impact and grow with a team that inspires millions, you’ll fit right in.

The role:

As a Staff Android Engineer, you'll design and develop the next generation of our high-performance SDK. You'll write robust code that works seamlessly across 150+ device types and configurations. Collaborating with partners on their SDKs while leveraging our own multi-format ad technology. Additionally, You'll work closely with designers, product managers, and fellow engineers to turn ideas into reality.

What you’ll do:

Take ownership of the features that you build and ensure a high level of user experience
Contribute actively to the Android engineering discipline across the company by driving best practices in architecture, modularization, testing, and engineering workflows.
Participate in and contribute to the team’s Agile practices
Champion privacy, security, and reliability in all Android features and user data interactions.
Proactively identify performance bottlenecks in business workflows and design low-latency, highly efficient solutions.
Utilize modern Android development tools (Jetpack, Kotlin, etc.) to build clean, scalable, and maintainable code which impacts 400 million users
Leverage your knowledge of Ad tech APIs, SDKs, and mediation platforms to optimize ad delivery and monetization.

What you bring in:

8+ years of experience in Android development with Java, Kotlin, Coroutines and Dependency injection.
An extensive, hands-on experience with modern Android application development tools and libraries incl. application lifecycle, asynchronous server communication, and UI components.
Familiar in ad tech concepts, platforms, and best practices (e.g., mediation, bidding)
Excellent problem solving skills and proactiveness to tackle challenging problems
Excellent in designing and architecting high scale Android applications.
Proficient understanding of code versioning tools, such as Git
Sound knowledge of testing framework like junit, mockito, roboelectric and espresso.
A mind-set to get things done while maintaining high standards by shipping high quality code.
Monitor and optimize application performance, troubleshooting and resolving issues related to functionality, responsiveness, and resource usage.
Familiarity with RESTful APIs, gRPC

It would be great if you also have:

Experience in ad tech concepts, platforms, and best practices
Experience of Jetpack Compos

What we offer:

We support growth through learning resources, leadership programs, mentoring, and real hands-on work. People can move between teams and projects to build new skills and keep things interesting. We offer clear internal mobility and a transparent path for progression, with leaders who stay involved and provide guidance throughout the year. In addition, you will benefit from:

A comprehensive compensation package: Learning and development allowance, voluntary provident fund (VPF) and/or national pension scheme (NPS) tax saving option provided, creche allowance
Modern tools to do your best work: Choose your preferred computer and phone within our budget, so you can work comfortably and efficiently.
A people-focused office culture: We value in-person collaboration and follow an office-first model, with some flexibility. Our offices offer a vibrant environment with opportunities to learn, connect, and recharge, from breakfast, lunch and quiet spaces to team activities such as movie nights, tech meetups, and cultural events. There's something for everyone.
Truecaller’s “Lab Days” offer a space for imagination: 5 days each quarter, where everyone steps away from their normal tasks to explore new, bold ideas and build things they’ve always wanted to. It’s a space where curiosity leads the way, and prototypes take shape. Some concepts even make it into production, and a few have grown into real features used by millions today. Lab Days allow you to be creative, learn fast, and help shape Truecaller's future.

Come as you are: Truecaller is committed to building a diverse and inclusive team. We believe that a wide range of backgrounds, perspectives, and experiences strengthens our products and our culture. No matter where you're from, what language you speak, or how you identify, we value what makes you unique and would love to get to know you.

Sounds like a great opportunity?

We will fill the position as soon as we find the right candidate, so please send your application as soon as possible. As part of the recruitment process, we will conduct a background check.

We only accept applications in English .

Staff Android Engineer

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