Senior Software Engineer, Backend

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.

As a Senior Software Engineer, Backend  you will be a pivotal contributor in shaping Truecaller's technology, driving demonstrable improvements to the user experience and business profitability. Your typical day or week will be filled with a blend of technical challenges, collaboration, and innovation. 

• →Coding & Development: A significant portion of your day will involve hands-on coding, building scalable backend services, APIs, and microservices that power Truecaller’s Ads platform. You’ll focus on high-availability, low-latency systems using modern tech stacks.
• →Code Reviews: Review code written by peers to maintain high-quality standards, share best practices, and continuously improve the codebase.
• →Problem Solving: Troubleshoot complex technical issues, optimize existing systems for better performance, and ensure high system reliability.
• →Collaborating with Cross-Functional Teams: Work closely with product managers, front-end developers, data scientists, and other stakeholders to ensure the features you build align with business needs and provide a seamless user experience.
• →Design & Architecture Discussions: You’ll contribute to architectural decisions, ensuring that systems are designed to scale and meet the future needs of Truecaller Ads.
• →Team Collaboration & Mentorship: Provide mentorship to junior engineers, assist in resolving complex technical issues, and share knowledge across the team through informal or formal knowledge-sharing sessions.
• →Delivering Features: You’ll contribute to feature development, deploy code into production, and ensure smooth integration with the rest of the platform.
• →Sprint Planning & Backlog Grooming: You will participate in sprint planning sessions(bi-weekly) where you’ll break down tasks, prioritize work, and ensure alignment with the overall product roadmap.

• 5-9 years of experience as BE developer in a start-up or product based environment.
• Excellent knowledge of  any modern programming (GO, Java, C#, Scala) language.
• Good understanding of Data structures and Algorithms.
• Experience of designing and architecting large scale distributed systems.
• Experience in consumer-facing companies with a solid understanding of system scaling and user-centric product development is a plus.
• Experience leveraging AI-powered development tools (such as GitHub Copilot, Gemini, Chatgpt, Claude or similar) to enhance coding productivity and efficiency.
• Familiarity with applying AI-driven insights to optimize backend system performance and workflows.

• Experience with microservices architecture and design patterns and solid design principles.
• Hands-on experience in building large scale platforms & services using Go, Scala, Play, Redis, Aerospike, Kafka & Nosql stores.
• Experience with GCP or any other public cloud.

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.