Senior Staff Software Engineer Backend

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 Staff Software Engineer, Backend, you will lead multi-team initiatives, leveraging your deep technical expertise to ensure alignment, quality, and long-term maintainability across the organization. You will balance hands-on technical guidance with strategic leadership, establishing engineering best practices that transcend your immediate team. By mentoring experienced engineers and building strong relationships with cross-functional stakeholders, you will drive project delivery and ensure our backend infrastructure remains scalable and robust enough to support millions of users worldwide

What you will do

• Lead the team to ensure we build our product efficiently and effectively.
• Influence product priorities and scope, offering valuable input in decision-making.
• Communicate complex decisions clearly, weighing the pros and cons of different solutions.
• Mentor and guide experienced engineers, helping them develop both technically and culturally.
• Leverage your experience to establish best practices across the engineering team and beyond.
• Drive project delivery by aligning with cross-functional stakeholders and ensuring the team has everything needed.
• Lead multi-team initiatives, contributing with technical expertise, ensuring alignment and quality.
• Own the quality of the systems and services the team is responsible for.
• Be hands-on, balancing strategic leadership with technical guidance to support the team.
• Stay up-to-date with industry trends and technologies, ensuring the team works with the best tools available.
• Build strong relationships and align efforts within the team and with external partners when necessary.
• Help with recruitment by interviewing candidates

What you bring in

• Bachelor's degree in computer science or equivalent
• 10+ years of relevant experience with Scala, Java, or Go
• Experience working with scalable, highly available, real-time distributed systems
• Experience working with relational and non-relational databases
• Good understanding of data structures and algorithms
• Mentoring, leadership skills
• Excellent communication skills in English.
• Ability to thrive in a dynamic, fast-paced environment.
• Experience with security best practices.

It would be great if you also have

• Experience as a data engineer or close collaboration with data engineers.
• Experience working with highly available systems.
• Experience with performance tuning.
• Experience with security hardening.
• Experience with GDPR.
• Experience creating tech strategies.

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

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.