Senior Site Reliability Engineer

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 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. The role: You will design, manage and maintain infrastructure services over the course of their lifecycle. You will be responsible for building and improving the performance, reliability, availability, security, and evolution of the Truecaller infrastructure. What you’ll do: Building tooling to ease the provisioning and scaling of infrastructure resources. Continuously improve and scale infrastructure components to handle growth. Improve overall systems performance and investigate failures taking part actively in future improvements discussion. Ensure systems availability, reachability, and maintainability building the necessary instrumentation, tooling, and alarming systems in order to escalate abnormalities. Being influential in monitoring and capacity planning together with the application development teams and in alignment with the business goals. What you bring in: Extensive knowledge of system administration on Linux environments, preferably working on high throughput and low latency systems. Strong hands-on experience with GCP services (or transferable AWS/Azure skills) — networking, IAM, compute, storage, Kubernetes (GKE/EKS/AKS). Extensive knowledge of Docker and Kubernetes. Excellent understanding of distributed system design across process and site boundaries. Hands-on experience with service orchestration, management, deployment activities, configuration management and all necessary automation. Strong grasp of process isolation and containerization concepts, being able to apply them when necessary. Container orchestration: Deep understanding of Kubernetes — deploying, scaling, monitoring clusters. Monitoring & Observability: Experience with tools like Prometheus, Grafana, Stackdriver, Datadog, New Relic, etc. Incident management: Practical experience responding to incidents, performing root cause analysis, and improving system reliability. Security best practices: Knowledge of cloud security, secrets management, and compliance basics. Good understanding of software development lifecycle, versioning, building, testing, staging and deployment processes with a strong continuous delivery mindset. It would be great if you also have: Experience developing kubernetes operators. Experience deploying and scaling apache cassandra, scyllaDB, mysql, postgresql, redis or memcached. Go programming language experience or willingness to learn coding in Go(it'll help us build new k8s operators and improve the existing ones). 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 p