Senior ML Engineer

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 500 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 400+ 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.

As a Senior ML Engineer, you will be working hands-on to optimise the training

and deployment of ML models to be quick and cost-efficient. You will also be at the forefront of putting our ML models on mobile

devices to enhance data privacy and customer experience. To achieve this, you will need to collaborate with teams across

Truecaller to establish best practices and tools for efficient ML model development and deployment, particularly on mobile

platforms. You will be expected to help Truecaller reach and remain at the cutting edge of ML training and deployment, and to

explore new frontiers such as federated learning.

• Understand the current and

future needs of developers and the organisation, and create a roadmap with your manager for meeting those needs.

• Work

with teams across Truecaller, enabling them to deploy models to production quickly and cost-effectively.

• Work hands-on

with teams throughout Truecaller to optimise ML models for mobile devices.

• Be the go-to expert for developing models for

mobile devices as well as deploying them.

• Staying up to date with the latest trends and technologies in ML Engineering,

especially ML on mobile phones, and driving continuous innovation throughout Truecaller.

What you bring

in​

• Degree in computer science or equivalent
• 5+ years of experience in machine learning engineering,

with a focus on deploying ML models in production environments.

• A strong understanding and experience to optimise feature

engineering, model training, and model deployment.

• Hands-on experience deploying ML models on mobile devices (e.g.,

TensorFlow Lite, Core ML, ONNX Runtime Mobile).

• Strong understanding of machine learning frameworks (TensorFlow, PyTorch,

ONNX) and their deployment on mobile platforms.

• Understanding of both Android and iOS development and how that impacts ML

model deployment and usage.

• Strong communication and collaboration skills, with the ability to work effectively across

different teams and disciplines.

• A customer-focused mindset.
• Excellent communication skills in spoken and

written English.

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: ​We offer a competitive salary, 30 days of paid vacation, private

health insurance, parental leave top-up, pension, and wellness contributions.

• 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 well-stocked snack stations 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 times per year

for 3 days, 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.

Check out ​Life at Truecaller - Behind the

code:  ​

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.​