Software Development Lead guiding telecom software delivery across 4G Policy Management, charging controls, and cloud networking. Leads architecture and defect resolution for data plane frameworks, Network Processors, and L2/L3 protocols in C, C++, and Golang. Partners with product and global stakeholders to turn network standards into scalable platform features. Driven [Desired Position] with strong background in leading software development teams. Proven track record of overseeing successful projects, enhancing code quality, and driving innovation. Demonstrated leadership and problem-solving skills in fast-paced environments.
Hi, I’m
Sivaramakrishna Devarapalli
Software
Hyderabad
Summary
Overview
17
years of professional experience
Work History
CSGBengaluru
Software Development Lead
08.2024 - Current
Job overview
- Led architectural design and end-to-end development of advanced 4G policy management features, aligning with real-time charging and rating configurations to enhance system functionality.
- Guided engineering teams through complex software development lifecycles, conducting high-level and low-level design reviews for telecom policy workflows to ensure design integrity and performance.
- Defect Resolution & Optimization: Spearhead root-cause analysis and structural code fixes for critical production issues, improving overall platform stability, reliability, and policy execution speeds.
- Partnered with product managers and global telecom stakeholders to translate complex network standards into scalable, high-performance product extensions, enhancing overall product capability.
IBM India Software Labs (ISL)Bengaluru
Software Development Manager (Cloud Networking)
03.2022 - 08.2024
Job overview
- Team Leadership: Led high-performing engineering team of 6 software developers to develop SDN frameworks for IBM Cloud.
- Architecture Scaling: Built a high-scale File Share Gateway (FSGW) data path mapping architecture using CIDR block assignment pools to handle thousands of concurrent tenant VPC mount points.
- Architecture Scaling: Developed high-scale File Share Gateway (FSGW) data path mapping architecture using CIDR block assignment pools to support thousands of concurrent tenant VPC mount points.
- Routing & Observability: Managed cloud routing mechanics via BGP multi-node compute/edge structures and integrated telemetry metrics to enhance cloud observability.
HCLTechHyderabad
Technical Specialist (Client: Cisco Systems)
08.2019 - 03.2022
Job overview
- Core Features Integration: Developed critical features and engineered core patches for Cisco’s PGW, MME, and LTE network infrastructure, improving system reliability and performance.
- Realm-Based Routing Optimization: Architected "DRA Transparent Mode" static-configuration capability on PGW, reducing processing bottlenecks and functional overhead on Diameter Routing Agents (DRA).
- Wireless Authentication Extension: Designed and executed standalone S6b authentication architecture, enabling decoupled configurations across LTE and Wi-Fi infrastructures.
Oracle India Pvt. Ltd.Hyderabad
Senior Software Engineer
11.2016 - 08.2019
Job overview
- SBC Data Path Engineering: Owned data plane firmware development for enterprise-grade Session Border Controller (SBC) routing units.
- Processor Architecture Migration: Led hardware platform upgrade from Cavium 68xx to Cavium 78xx multi-core processors, synchronizing data structures across SDK versions to enhance compatibility.
- Advanced Error Isolation: Developed micro-level frame counter logic ("BOOMER") on newer network interface chips to detect and discard corrupt packets at line rate, improving data integrity.
- Simulation Tooling: Created local Cavium packet framing simulation tool, reducing team's reliance on hardware traffic generators like IXIA for early-stage validation.
Wipro Ltd.Hyderabad
Senior Project Engineer (Client: Ericsson)
03.2015 - 11.2016
Job overview
- Router Maintenance: Developed and optimized critical test defect resolutions for Ericsson’s flagship CMX routing equipment, ensuring reliability and performance.
- Asynchronous Event Handling: Implemented multi-threaded queue framework within High-Speed Link (HSL) module to enhance monitoring of Broadcom (BCM) network processor MAC tables.
- Process Intercommunication: Designed OS signal handling mechanisms across internal daemons to pause dependent processes for clean startup initialization.
Nokia Networks (NSN)Bengaluru
R&D Engineer / Fast Path Expert
01.2010 - 03.2015
Job overview
- LTE Fast Path Architecture: Spearheaded end-to-end requirement design and packet forwarding algorithms on Cavium Octeon 58xx and Intel 23xx processors for global LTE eNodeB base stations.
- Integrated low-level GTP-U user plane tracking logic to isolate S1 transport profiles for distinct telecom operators sharing same base station, enhancing system reliability.
- Programmed hardware-accelerated VLAN-aware Ethernet switching using Cavium’s IPSec toolkit core libraries, improving data handling efficiency.
- Created ring-buffer DRAM memory logging system that converts streaming fast path frames into zipped PCAP files for real-time remote GUI Wireshark diagnostics, facilitating faster troubleshooting.
Education
NIT WarangalWarangal, India
M.Tech. from Electronics & Communication
06.2009
University Overview
- GATE Percentile: 98.07%
- GPA: 7.86
Andhra UniversityVisakhapatnam, India
B.E. from Electronics & Communication
11.2006
University Overview
Skills
C
C
Golang
Linux
Git
Telecom protocol engineering
Packet forwarding design
Cloud networking architecture
Accomplishments
Accomplishments
- Gladiator Award (Nokia Networks): Recognized for resolving the highest volume of high-priority system-level bugs.
- Shining Star & Best Design Team Awards (Wipro): Commended for excellence in structural software architecture.
- Academic Leader: Ranked 1st throughout high school and pre-university board examinations.
- Leadership: Served as the Student Council Representative for the ECE department at NIT Warangal.
Timeline
Software Development Lead
CSG
08.2024 - Current
Software Development Manager (Cloud Networking)
IBM India Software Labs (ISL)
03.2022 - 08.2024
Technical Specialist (Client: Cisco Systems)
HCLTech
08.2019 - 03.2022
Senior Software Engineer
Oracle India Pvt. Ltd.
11.2016 - 08.2019
Senior Project Engineer (Client: Ericsson)
Wipro Ltd.
03.2015 - 11.2016
R&D Engineer / Fast Path Expert
Nokia Networks (NSN)
01.2010 - 03.2015
NIT Warangal
M.Tech. from Electronics & Communication
Andhra University
B.E. from Electronics & Communication
Rewards & Achievements
Rewards & Achievements
Gladiator Award (Nokia Networks): Recognized for resolving the highest volume of high-priority system-level bugs., Shining Star & Best Design Team Awards (Wipro): Commended for excellence in structural software architecture.