Sudhanshu Kumar profile photo 1 on Tal

Sudhanshu Kumar

Backend & Distributed Systems Enthusiast

Bengaluru

1+ year of work experience

PAiCore Technologies
Jun 20259 mosFeb 2026

Contributed to the development of Core Network Analyzer, a real-time network monitoring tool built using Java, Spring Boot, and PostgreSQL, improving visibility into signaling data flows. Contributed to the development and testing of a Flutter application for utility monitoring (electricity, water, heat), enabling real-time data synchronization and interactive visualization. Worked on SMSC (Short Message Service Center) development and testing, building and optimizing backend services using Spring Boot, Kafka, Redis, and PostgreSQL. Implemented components of an event-driven architecture with Kafka, ensuring reliable high-volume message processing while improving system throughput and fault tolerance.
PAiCore Technologies
Jul 20241 yrJun 2025

Remote

Provided technical support for SMSC (Short Message Service Center) and telecom products including USSD, SIP, and Core Network Analyzer, troubleshooting high-volume messaging traffic using SMPP, HTTP, SS7, Diameter, and SIP protocols. Performed protocol analysis using Wireshark to inspect signaling logs, identify bottlenecks, and ensure high system uptime for global clients. Worked extensively on Linux systems, performing end-to-end product deployments, log analysis, debugging, and environment configuration to resolve production issues efficiently. Acted as a primary technical point of contact, translating complex issues into clear solutions and improving ticket resolution efficiency. Collaborated with development teams to diagnose system issues and enhance performance and reliability.
PAiCore Technologies
Aug 20233 mosOct 2023

Remote

Assisted in troubleshooting SMSC (Short Message Service Center) and telecom systems, analyzing signaling traffic using SMPP, HTTP, and SIP protocols. Performed protocol analysis using Wireshark to inspect logs and support issue diagnosis. Worked on Linux systems, handling basic log analysis, debugging, and environment setup for testing and deployments. Collaborated with senior engineers to support production issue resolution and system monitoring.

Education

Galgotias university

Bachelor of Technology, Computer Science and Engineering

Galgotias university

20214 yrs2025
Lalit Narayan Mithila University, Darbhanga

Bachelor of Arts - BA, Economics

Lalit Narayan Mithila University, Darbhanga

20183 yrs2021

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Sudhanshu Kumar on Tal

Headline

Backend & Distributed Systems Enthusiast

About

Software Engineer with 1 year 8 months of full-time experience working on production-grade systems. Proficient in Java, Spring Boot, Apache Kafka, Redis, and PostgreSQL. Proven track record in Linux system operations, high-availability telecom deployments, incident management, and protocol-level debugging (SS7, SIP, SMPP) using Wireshark. Hands-on with containerised microservices (Docker, Kubernetes), observability stacks (Prometheus, Grafana), and CI/CD pipelines. Targeting SDE-1 / SRE-1 roles to design fault-tolerant systems and drive operational excellence at scale.

Location

Bengaluru

Work experience

Software Engineer at PAiCore Technologies, Jun 2025 - Feb 2026 · 9 mos, Contributed to the development of Core Network Analyzer, a real-time network monitoring tool built using Java, Spring Boot, and PostgreSQL, improving visibility into signaling data flows. Contributed to the development and testing of a Flutter application for utility monitoring (electricity, water, heat), enabling real-time data synchronization and interactive visualization. Worked on SMSC (Short Message Service Center) development and testing, building and optimizing backend services using Spring Boot, Kafka, Redis, and PostgreSQL. Implemented components of an event-driven architecture with Kafka, ensuring reliable high-volume message processing while improving system throughput and fault tolerance.

Technical Support Engineer at PAiCore Technologies, Jul 2024 - Jun 2025 · 1 yr, Remote, Provided technical support for SMSC (Short Message Service Center) and telecom products including USSD, SIP, and Core Network Analyzer, troubleshooting high-volume messaging traffic using SMPP, HTTP, SS7, Diameter, and SIP protocols. Performed protocol analysis using Wireshark to inspect signaling logs, identify bottlenecks, and ensure high system uptime for global clients. Worked extensively on Linux systems, performing end-to-end product deployments, log analysis, debugging, and environment configuration to resolve production issues efficiently. Acted as a primary technical point of contact, translating complex issues into clear solutions and improving ticket resolution efficiency. Collaborated with development teams to diagnose system issues and enhance performance and reliability.

Technical Support Engineer at PAiCore Technologies, Aug 2023 - Oct 2023 · 3 mos, Remote, Assisted in troubleshooting SMSC (Short Message Service Center) and telecom systems, analyzing signaling traffic using SMPP, HTTP, and SIP protocols. Performed protocol analysis using Wireshark to inspect logs and support issue diagnosis. Worked on Linux systems, handling basic log analysis, debugging, and environment setup for testing and deployments. Collaborated with senior engineers to support production issue resolution and system monitoring.

Education

Bachelor of Technology, Computer Science and Engineering, Galgotias university

Bachelor of Arts - BA, Economics, Lalit Narayan Mithila University, Darbhanga

Sudhanshu Kumar - Software Engineer in Bengaluru | Tal