Staff Engineer

Sathish P

View Projects View Work
Tech
Stack
ReactFrontend Library
C/C++Core Languages
KubernetesContainer Orchestration
HTML/CSSUI Foundations
4G/5GMobile Networks
PythonBackend Services

About

Building resilient telecom,
cloud-native, and modern
software platforms.

Building scalable systems across telecom core networks, cloud-native infrastructure, backend APIs, AI-assisted engineering, and modern web applications. Passionate about delivering high-performance, reliable, and user-focused solutions that bridge complex technologies with real-world impact.

What I Work On

System Engineering

C++ • Low-level Systems • Network Functions

Platform Ecosystem

Cloud-Native • Kubernetes • APIs & Services

AI / RAG Solutions

RAG • LLMs • AI-Driven Tools • Automation

Web Development

Modern Frontend • Responsive UI • Full Stack Apps

Delivery & Operations

CI/CD • DevOps • Monitoring • Production Ready

Skills

11+ years of software
development experience
in the software industry.

Hands-on across telecom core systems, protocols, platform tooling, frontend, backend, and AI-assisted engineering.

Languages/Skills

Core programming & tools

C
C++
Python
Multithreading
Gtest
Ctest

Design Patterns

Reusable software architecture

Singleton
Facade
Factory
State
Observer

Cloud Technologies

Container, deployment, and platform tools

Kubernetes
Docker
Helm Charts
Vercel
Render

Web Skills

Frontend, backend, and API delivery

Next.js
React
Tailwind CSS
shadcn/ui
Framer Motion
FastAPI

5G Elements

Core network components

PCF
AMF
SMF
UDR
NRF
UDSF

4G Elements

EPC product areas

EPC Core
PGW-C
SGW-C
PCRF
IMS

Protocols

Telecom and service protocols

NGAP
HTTP2
Diameter
GTP
TCP
UDP

Interfaces

Carrier-grade integration points

S11
S5/S8
Gx
Sxa
Sxb
X1/X2(Calea)

Experience

Journey of
Impact & Growth

A progression through protocol-heavy systems, EPC delivery, and modern 5G core product engineering.

11+

Years Experience

4G / 5G

Core Network Generations

4

Companies

C++ + K8s

Primary Stack

Staff Engineer

Radisys Corporation | Dec 2022 - Present

Detailed
Department
R&D - Development
Product
5G Core Network

Key Deliverables

Framework Development for all NFs

Building 5G Core network function frameworks and scalable platform services for next-generation telecom networks.

Tech Lead

Tech Mahindra | Dec 2019 - Dec 2022

Detailed
Department
Development
Product
4G Core Network Platform

Key Deliverables

4G EPC feature development, protocol handling, debugging, and production support.

Led 4G Core EPC development across gateway, policy, and protocol interface features.

Senior Software Engineer

Aricent Technologies | Sep 2017 - Dec 2019

Detailed
Department
Development
Product
AAA Authentication Platform

Key Deliverables

AAA product development, issue analysis, protocol stack enhancements, and component upgrades.

Delivered carrier-grade AAA platform enhancements for Radius and Diameter based systems.

Software Developer

Plintron | Sep 2014 - Sep 2017

Detailed
Department
Development
Product
Telecom Service Control Platform

Key Deliverables

Service logic development, call handling, routing flows, and production issue support.

Built SS7 protocol-based telecom service features for call routing, MNP, and SMS billing workflows.

Projects

List of product deliverables across 4G, 5G, AAA, and SS7 platforms.

High-level product work delivered across carrier-grade telecom systems, platform operations, monitoring dashboards, and production engineering.

5G Core Network

Carrier-grade 5G Core product engineering

Framework and OAM platform work across network functions
Alarm framework, liveness probe, and operational readiness features
React-based web dashboard for application monitoring
PCF, AMF, and UDR feature delivery for 5G Core use cases
5G CoreOAMPCFAMFUDR

4G Core Network Platform

EPC gateway and control-plane delivery

Vendor-specific AVP handling for Gx and PCRF flows
GTP failure handling, QoS, SDF, metering, and CDR scenarios
Performance metrics, alarms, counters, and production debugging support
Code optimization, memory leak fixes, and gtest framework work
4G CoreEPCPGWSGWGTP

AAA Authentication Platform

Authentication, authorization, and accounting platform

AAA product work for carrier-grade Radius/Diameter systems
MySQL NDB cluster support and CRUD operation enhancements
Core dump, memory leak, and high CPU issue analysis
Third-party component upgrades and security vulnerability fixes
AAARadiusDiameterMySQL NDB

Telecom Service Control Platform

SS7 protocol-based telecom service platform

Call handling, MNP checks, and SMS billing flows using CAMEL
Call routing, late call forwarding, and production issue support
HLR/MAP routing optimization and announcement handling
Optimal routing for early call forwarding and service logic delivery
SS7CAMELMAPSCPMNP

Contact

Let's Connect