Senior Data Scientist

Truecaller; Stockholms kommun; Hybrid; SEK 900,000 - 1,200,000; Full time

Benefits offered by this job

Salary package

Vacation 30 days

Private health insurance

Parental leave top-up

Pension

Wellness contributions

Modern tools

Office-first culture

Lab Days

Job summary

Truecaller is seeking a Senior Data Scientist to drive high-impact data initiatives that blend machine learning, statistics, and data engineering. You will work closely with product and engineering teams to deliver scalable data products that enhance customer experience.

With 5+ years of data science experience, you will mentor peers, translate complex insights for non-technical stakeholders, and own projects from conception to production. Join a global team solving real-world problems at scale.

Qualifications

• Bachelor's or Master's degree in relevant field.
• 5+ years of data science/machine learning experience.
• Proficient in Python and SQL.
• Experience with data visualization tools.
• Strong communication with non-technical stakeholders.

Responsibilities

• Lead high-impact data science initiatives across product and engineering.
• Collaborate with stakeholders to deliver scalable data products.
• Plan and coordinate data science work with cross-functional teams.
• Mentor junior data scientists to improve skills.
• Translate complex insights into actionable business outcomes.

Skills

Python programming

SQL

Communication

Problem solving

Ownership of projects

Collaboration

Data science & ML

Customer focus

Education

Bachelor's or Master's in Data Science/ML/CS/Statistics

Tools

Looker

Power BI

Tableau

BigQuery

Job description

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 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.

The role:

As a Senior Data Scientist, you will lead high-impact initiatives at the intersection of data science, product, and engineering. The role combines machine learning, statistics, and data engineering to solve meaningful, real-world problems, with strong collaboration at its core, working closely with stakeholders across the organization and within the team to deliver results that no single person could achieve alone.

What you will do

• Exploring the problem space and finding data science solutions that provide step increases in customer experience
• Planning data science work for the team, with an emphasis on collaboration to achieve common goals
• Gathering, collating, and understanding the data necessary to create data science products that delight the customers
• Collaborating with stakeholders throughout Truecaller to find and build data science products that solve business and customer problems at scale.
• Coaching and mentoring junior to senior data scientists to improve their technical skills and productivity

What you bring in

• Bachelor's or Master's degree in Data Science, Machine Learning, Computer Science, Statistics, Mathematics, or a related field.
• At least 5 years of experience in using data science and machine learning to solve real-world problems
• Excellent programming skills in Python and SQL
• Solid understanding and experience with the tooling for Python - IDEs, unit testing frameworks, and static code checks
• Excellent communication and interpersonal skills, with the ability to present complex data and insights to non-technical stakeholders
• Strong problem-solving skills and a results-oriented mindset
• Customer obsession
• Able to own and drive projects and products to production and iteratively improve them over time

It would be great if you also have

• Understanding how to query very large data efficiently (we use BigQuery)
• Experience collaborating with C-suite executives
• Experience with data from mobile applications
• Experience with data visualization and reporting tools, such as Tableau, Looker, or Power BI (we use Looker)
• A solid understanding of the engineering requirements necessary to put machine learning solutions into production and scale them to hundreds of millions of customers

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: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 outLife at Truecaller - Behind the code:https://www.instagram.com/lifeattruecaller/

Sounds like a great opportunity?