Tarun Kundu

About Tarun Kundu

Summary:* 21+ years of experience in software architecture, design, and development.* Consistent record of delivering projects on time while maintaining high quality standards.* Extensive experience defining product scope and end-to-end customer experience, capturing functional and non-functional requirements, designing solutions with clear problem articulation, implementing and iterating on designs, defining KPIs and alarms for service health, planning testing and production rollout, and creating operational monitoring dashboards.* Proven ability to work with cross-functional, globally distributed teams; mentored new team members, built and managed a shared knowledge base, provided hands-on support to teams, and delivered product training to customers.* Hands-on experience with large-scale distributed systems using microservice architectures and cloud technologies.* Built production systems using Python, C/C++, Java, and JavaScript, and developed native Android and iOS applications.* Strong background in big data technologies, including HDFS, MapReduce, Kafka, Elasticsearch, Spark Core, Spark Streaming, Spark SQL, ETL data pipelines, data analytics, and Power BI.* DevOps experience with Git, Ansible/Chef, Jenkins, staged/pre-production deployments, monitoring with Grafana and Cerebro, centralized logging with Splunk and Graylog, and container orchestration using Docker and Kubernetes.* Security experience spanning risk assessment, threat modeling, and code vulnerability analysis.* Diagnosed and resolved complex functional and performance issues on embedded platforms through systematic profiling, root-cause analysis, and targeted optimization.* Knowledgeable in machine learning, AI methodologies, and generative-model architectures (e.g, diffusion and transformer-based models).Recent Contributions (Last 3 years):* Implemented advanced IPv6 and DNS enhancements in the Dnsmasq open-source code, including configurable router advertisements, extended RA timing controls, IPv6 hop-limit parsing, per-IP TTL handling in QoSMOS ipsets, traffic-steering metadata (Application ID / Category ID) exchange with proprietary components, and IPv6 IP-passthrough with prefix delegation* Implemented TLS support for BusyBox syslogd (used in Ericsson Enterprise routers), enabling secure, encrypted transmission of log messages and helping the platform meet security standards (RFC 5425).* Developed and validated a Fidelix SPI NAND flash driver, enabling the Ericsson Enterprise IBR900 router to read and boot from Fidelix SPI NAND two plane flash memory.

Experience

1. Embedded System Engineer

   Ericsson

   May 2022 — Present · US

Education

• Institute of Informatics and Communication, University of Delhi

  Master's degree, Master of Science (Informatics)

  2002 — 2004

• Bhaskaracharya College of Applied Sciences (BCAS), Delhi

  Bachelor of Applied Science - BASc, Electronics

  1999 — 2002

Skills

• Unix
• Tcp/Ip
• Ss7
• Linux
• Sip
• Lte
• 3gpp
• Communication
• C
• Clearcase
• Public Speaking
• Gsm
• C++
• Snmp
• Shell Scripting
• Leadership
• Telecommunications