Senior Staff Software Engineer Backend

About Us

Truecaller's mission is to build trust in communication by making it safer, smarter, and more efficient. Born in Sweden and trusted by over 500 million active users every month across 190+ countries, we identify over 15 billion calls daily to help users avoid spam and scams. Our team of 400+ employees from 45+ nationalities values initiative, ownership, and an entrepreneurial mindset. We stay collaborative and focused, always searching for smarter paths forward.

About 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.

Responsibilities

• 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.

Requirements

• 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 and leadership skills.
• Excellent communication skills in English.
• Ability to thrive in a dynamic, fast-paced environment.
• Experience with security best practices.

Nice to 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.

Benefits

• A comprehensive compensation package including 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.
• A people-focused office culture with an office-first model and some flexibility. Offices offer breakfast, lunch, well-stocked snack stations, quiet spaces, and team activities such as movie nights, tech meetups, and cultural events.
• Truecaller's "Lab Days": 5 times per year for 3 days, where everyone explores new, bold ideas and builds prototypes. Some concepts make it into production and become features used by millions.

Culture

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. 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, with clear internal mobility and a transparent path for progression.