{"company":{"id":9023,"name":"Truecaller","domain":"truecaller.com","url":"https://alion.io/company/truecaller"},"answer":"Truecaller builds mostly with Java, Scala, SQL, Python. Its stack also includes GCP, Apache Kafka, BigQuery, Google BigQuery. GCP is named in 14 of the 30 job postings Truecaller published in the last 12 months (47%). Counted by Alion from the job postings of Truecaller, updated Sep 30, 2026.","window_days":365,"postings_analysed":30,"open_postings":25,"technologies_in_use":107,"modernity_score":84,"ai_adoption":true,"technologies":[{"name":"GCP","layer":"cloud","postings":14,"share":0.4667,"required":10,"open_postings":12,"first_seen":"2026-01-15","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"Apache Kafka","layer":"cloud","postings":11,"share":0.3667,"required":8,"open_postings":10,"first_seen":"2026-03-31","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":10,"share":0.3333,"required":10,"open_postings":8,"first_seen":"2026-01-15","last_seen":"2026-08-20","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":9,"share":0.3,"required":9,"open_postings":8,"first_seen":"2026-06-17","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"Kubernetes","layer":"cloud","postings":9,"share":0.3,"required":8,"open_postings":8,"first_seen":"2026-01-15","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"Scala","layer":"languages","postings":9,"share":0.3,"required":8,"open_postings":8,"first_seen":"2026-03-31","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"BigQuery","layer":"data","postings":8,"share":0.2667,"required":7,"open_postings":7,"first_seen":"2026-03-31","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Google BigQuery","layer":"data","postings":8,"share":0.2667,"required":7,"open_postings":7,"first_seen":"2026-03-31","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"SQL","layer":"languages","postings":7,"share":0.2333,"required":6,"open_postings":6,"first_seen":"2026-06-17","last_seen":"2026-08-13","median_stated_pay_usd":null},{"name":"Python","layer":"languages","postings":7,"share":0.2333,"required":5,"open_postings":6,"first_seen":"2026-03-31","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Git","layer":"tools","postings":6,"share":0.2,"required":6,"open_postings":5,"first_seen":"2026-06-17","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"Spark","layer":"cloud","postings":6,"share":0.2,"required":5,"open_postings":5,"first_seen":"2026-03-31","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"A/B Testing","layer":"practices","postings":5,"share":0.1667,"required":5,"open_postings":4,"first_seen":"2026-07-02","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":5,"share":0.1667,"required":5,"open_postings":5,"first_seen":"2026-01-15","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Azure","layer":"cloud","postings":5,"share":0.1667,"required":5,"open_postings":5,"first_seen":"2026-01-15","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Go","layer":"languages","postings":5,"share":0.1667,"required":5,"open_postings":5,"first_seen":"2026-06-17","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Machine Learning","layer":"practices","postings":5,"share":0.1667,"required":5,"open_postings":4,"first_seen":"2026-03-31","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Amazon Redshift","layer":"data","postings":4,"share":0.1333,"required":4,"open_postings":3,"first_seen":"2026-03-31","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Docker","layer":"tools","postings":4,"share":0.1333,"required":3,"open_postings":3,"first_seen":"2026-01-15","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Redis","layer":"data","postings":4,"share":0.1333,"required":2,"open_postings":3,"first_seen":"2026-03-31","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"AppsFlyer SDK","layer":"cloud","postings":3,"share":0.1,"required":3,"open_postings":3,"first_seen":"2026-06-17","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"Cassandra","layer":"data","postings":3,"share":0.1,"required":3,"open_postings":2,"first_seen":"2026-03-31","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"ETL/ELT","layer":"practices","postings":3,"share":0.1,"required":3,"open_postings":3,"first_seen":"2026-07-02","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Feature Store","layer":"practices","postings":3,"share":0.1,"required":3,"open_postings":3,"first_seen":"2026-07-02","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Jenkins","layer":"tools","postings":3,"share":0.1,"required":3,"open_postings":3,"first_seen":"2026-07-02","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Kotlin","layer":"languages","postings":3,"share":0.1,"required":3,"open_postings":2,"first_seen":"2026-06-17","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"Looker","layer":"cloud","postings":3,"share":0.1,"required":3,"open_postings":3,"first_seen":"2026-06-17","last_seen":"2026-09-07","median_stated_pay_usd":null},{"name":"MySQL","layer":"data","postings":3,"share":0.1,"required":3,"open_postings":2,"first_seen":"2026-01-15","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":3,"share":0.1,"required":3,"open_postings":2,"first_seen":"2026-01-15","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"gRPC","layer":"tools","postings":3,"share":0.1,"required":3,"open_postings":1,"first_seen":"2026-03-31","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"GitHub","layer":"cloud","postings":3,"share":0.1,"required":2,"open_postings":2,"first_seen":"2026-02-11","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":3,"share":0.1,"required":2,"open_postings":3,"first_seen":"2026-07-02","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"TensorFlow","layer":"frameworks","postings":3,"share":0.1,"required":2,"open_postings":3,"first_seen":"2026-07-02","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Android SDK","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-06-17","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"C#","layer":"languages","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-07-16","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"Crashlytics","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-06-17","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Fastlane","layer":"tools","postings":2,"share":0.0667,"required":2,"open_postings":1,"first_seen":"2026-02-11","last_seen":"2026-08-20","median_stated_pay_usd":null},{"name":"Federated Learning","layer":"practices","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-07-02","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Firebase","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-06-17","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"GitHub Actions","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":1,"first_seen":"2026-02-11","last_seen":"2026-08-20","median_stated_pay_usd":null},{"name":"Google GKE","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-01-15","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"IAM","layer":"practices","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-01-15","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Linux","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":1,"first_seen":"2026-01-15","last_seen":"2026-07-07","median_stated_pay_usd":null},{"name":"Memcached","layer":"data","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-01-15","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"Power BI","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-06-17","last_seen":"2026-07-08","median_stated_pay_usd":null},{"name":"QlikSense","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-06-17","last_seen":"2026-07-08","median_stated_pay_usd":null},{"name":"ScyllaDB","layer":"data","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-01-15","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"Swift","layer":"languages","postings":2,"share":0.0667,"required":2,"open_postings":1,"first_seen":"2026-02-11","last_seen":"2026-08-20","median_stated_pay_usd":null},{"name":"SwiftUI","layer":"frameworks","postings":2,"share":0.0667,"required":2,"open_postings":1,"first_seen":"2026-02-11","last_seen":"2026-08-20","median_stated_pay_usd":null},{"name":"Tableau","layer":"cloud","postings":2,"share":0.0667,"required":2,"open_postings":2,"first_seen":"2026-06-17","last_seen":"2026-07-08","median_stated_pay_usd":null},{"name":"Flink","layer":"frameworks","postings":2,"share":0.0667,"required":1,"open_postings":1,"first_seen":"2026-03-31","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Scikit-learn","layer":"frameworks","postings":2,"share":0.0667,"required":1,"open_postings":2,"first_seen":"2026-07-13","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Aerospike","layer":"data","postings":2,"share":0.0667,"required":0,"open_postings":2,"first_seen":"2026-07-16","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"ChatGPT","layer":"ai","postings":2,"share":0.0667,"required":0,"open_postings":2,"first_seen":"2026-07-16","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"Claude","layer":"ai","postings":2,"share":0.0667,"required":0,"open_postings":2,"first_seen":"2026-07-16","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"Copilot","layer":"tools","postings":2,"share":0.0667,"required":0,"open_postings":2,"first_seen":"2026-07-16","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"Active Directory","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-07-07","last_seen":"2026-07-07","median_stated_pay_usd":null},{"name":"Adjust","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-08-11","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"Airflow","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-03-31","last_seen":"2026-03-31","median_stated_pay_usd":null},{"name":"Amazon EKS","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-01-15","last_seen":"2026-01-15","median_stated_pay_usd":null},{"name":"Anomaly Detection","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"Azure AKS","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-01-15","last_seen":"2026-01-15","median_stated_pay_usd":null},{"name":"Core ML","layer":"ai","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Dagster","layer":"frameworks","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-03-31","last_seen":"2026-03-31","median_stated_pay_usd":null},{"name":"Datadog","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-01-15","last_seen":"2026-01-15","median_stated_pay_usd":null},{"name":"Deep Linking","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-08-11","last_seen":"2026-08-11","median_stated_pay_usd":null},{"name":"Dependency Injection","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-09-01","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"Embeddings","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"Feast","layer":"frameworks","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Grafana","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-01-15","last_seen":"2026-01-15","median_stated_pay_usd":null},{"name":"Incident Management","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-01-15","last_seen":"2026-01-15","median_stated_pay_usd":null},{"name":"Jetpack Compose","layer":"frameworks","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-09-01","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"Kotlin Coroutines","layer":"other","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-09-01","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"LiteRT","layer":"frameworks","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Modularization","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-09-01","last_seen":"2026-09-01","median_stated_pay_usd":null},{"name":"New Relic","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-01-15","last_seen":"2026-01-15","median_stated_pay_usd":null},{"name":"ONNX","layer":"tools","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"ONNX Runtime","layer":"frameworks","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Platform Engineering","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-27","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Prefect","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-03-31","last_seen":"2026-03-31","median_stated_pay_usd":null},{"name":"Prometheus","layer":"tools","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-01-15","last_seen":"2026-01-15","median_stated_pay_usd":null},{"name":"Recommender Systems","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Reinforcement Learning","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"SLI/SLO/SLA","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-03","last_seen":"2026-07-03","median_stated_pay_usd":null},{"name":"Snowflake","layer":"data","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-03-31","last_seen":"2026-03-31","median_stated_pay_usd":null},{"name":"Terraform","layer":"tools","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-03-31","last_seen":"2026-03-31","median_stated_pay_usd":null},{"name":"Time Series Forecasting","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"VLAN","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-07-07","last_seen":"2026-07-07","median_stated_pay_usd":null},{"name":"Vertex AI","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"Wi-Fi","layer":"practices","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-07-07","last_seen":"2026-07-07","median_stated_pay_usd":null},{"name":"Windows","layer":"cloud","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-07-07","last_seen":"2026-07-07","median_stated_pay_usd":null},{"name":"Xen","layer":"tools","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-07-07","last_seen":"2026-07-07","median_stated_pay_usd":null},{"name":"bandit","layer":"tools","postings":1,"share":0.0333,"required":1,"open_postings":1,"first_seen":"2026-07-02","last_seen":"2026-07-02","median_stated_pay_usd":null},{"name":"pfSense","layer":"tools","postings":1,"share":0.0333,"required":1,"open_postings":0,"first_seen":"2026-07-07","last_seen":"2026-07-07","median_stated_pay_usd":null},{"name":"Amazon Kinesis","layer":"cloud","postings":1,"share":0.0333,"required":0,"open_postings":0,"first_seen":"2026-03-31","last_seen":"2026-03-31","median_stated_pay_usd":null},{"name":"Edge AI","layer":"practices","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"Fine-tuning","layer":"practices","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"Hugging Face","layer":"cloud","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"Kubeflow","layer":"cloud","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"LLM","layer":"ai","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"MLFlow","layer":"cloud","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"NLP","layer":"practices","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"Neo4j","layer":"data","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"NumPy","layer":"frameworks","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"Pandas","layer":"frameworks","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"Transformers","layer":"frameworks","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null},{"name":"pySpark","layer":"tools","postings":1,"share":0.0333,"required":0,"open_postings":1,"first_seen":"2026-07-13","last_seen":"2026-07-13","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[{"name":"C#","first_seen":"2026-07-16"},{"name":"Aerospike","first_seen":"2026-07-16"},{"name":"ChatGPT","first_seen":"2026-07-16"},{"name":"Claude","first_seen":"2026-07-16"},{"name":"Copilot","first_seen":"2026-07-16"},{"name":"Scikit-learn","first_seen":"2026-07-13"},{"name":"PyTorch","first_seen":"2026-07-02"},{"name":"TensorFlow","first_seen":"2026-07-02"}],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"InMobi","url":"https://alion.io/company/inmobi/technologies","shared_technologies":80},{"name":"Checkout.com","url":"https://alion.io/company/checkout-com/technologies","shared_technologies":64},{"name":"Delivery Hero","url":"https://alion.io/company/delivery-hero/technologies","shared_technologies":82},{"name":"Reddit","url":"https://alion.io/company/reddit/technologies","shared_technologies":67},{"name":"Supercast","url":"https://alion.io/company/supercast","shared_technologies":68},{"name":"Appier","url":"https://alion.io/company/appier-2/technologies","shared_technologies":71},{"name":"PayPal","url":"https://alion.io/company/paypal/technologies","shared_technologies":69},{"name":"JioStar","url":"https://alion.io/company/jio-star/technologies","shared_technologies":75}],"html_url":"https://alion.io/company/truecaller/technologies","json_url":"https://alion.io/company/truecaller/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-09-30T06:16:44Z","generated_at":"2026-09-30T19:50:18Z"}}