Senior 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 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. What you’ll do: 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. What you bring in: 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. It would be great if you also have: 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. 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: Learning and development allowance, voluntary provident fund (VPF) and/or national pension scheme (NPS) tax saving option provided, creche allowance 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 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 days each quarter, 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. 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.