Jahanavi Krishnakumar

Senior Software Engineer

Stuttgart, Germany8 yrs 6 mos experience

Key Highlights

Over 8 years of experience in networking applications.
Expertise in C, C++, and Python for high-performance features.
Proven track record in enhancing network performance and reliability.

Stackforce AI infers this person is a Networking Software Engineer with expertise in high-performance network solutions.

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Skills

Core Skills

CC++Python

Other Skills

NX-OSVLANPTPPort SecurityEthPMGTestGMockJSONXMLMPTEGNMIXRUTOSPFOpen-ConfigOpenSSL

About

I am an accomplished Software Engineer over 8 years of experience in designing and developing networking applications, 4G technologies and Layer 2/3 switching and routing solutions. Specialised in developing high-performance features for Cisco data center switches, ensuring scalability and reliability for modern network infrastructures. My technical expertise spans C, C++, Python, and networking protocols like OSPF, VLAN, and TCP/IP. I thrive on solving complex technical challenges, working with cross-functional teams, and automating processes to enhance efficiency. Passionate about networking innovation, I have contributed to mission-critical projects involving advanced routing, encryption, and compliance solutions, delivering measurable improvements in performance and reliability.

Experience

8 yrs 6 mos

Total Experience

3 yrs 6 mos

Average Tenure

Current Experience

Wipro

5 roles

Senior Software Engineer

Sep 2023 – Sep 2025 · 2 yrs

Project: Cisco N9k data centre OS that simplifies deployments and cloud management with automation and modular design.
Enhanced L2/L3 features and applications using C, C++, Sandbox, on NX-OS to improve the performance of the data centre network.
Analysed change requests, conducted code reviews, and resolved customer-reported issues.
Delivered critical features such as partial diff, confi guration replacement, and rollback.
Built Command Line Input (CLI) for components like PTP ,VLAN, Port Security and EthPM
Streamlined UnitTest infrastructure by automating with python scripts resulted in reducing manual test efforts
Developed unit and integration test for the new feature using Gtest and GMock
Technologies used: C | C++ | GDB | GTest | GMock | Python | PyATS | NX-OS | Sandbox | VLAN | PTP | Port Security | Ethpm | JSON | Yaml | XML .

CC++PythonNX-OSVLANPTP+6

Senior Software Engineer

Jul 2021 – Aug 2023 · 2 yrs 1 mo

Project: Cisco IOS-XR carrier-grade network operating system designed for high-end routers, enabling network infrastructures globally.
Designed Open Config models and telemetry for OSPF protocol, improving network data observability.
Analysed change requests, conducted code reviews, and resolved customer-reported issues.
Implemented openconfig and telemetry using C/C++
Developed unit and integration test using GTest and GMock
Automated unit tests using MPTE, GNMI, and XRUT frameworks, for reducing testing time and improving the code coverage and stability.
Technologies used: C | C++ | GTest | GMock| Python | MPTE | GNMI | XRUT | OSPF | Open Confi g | Cisco IOS XR.

CC++GTestGMockMPTEGNMI+3

Senior Software Engineer

Oct 2020 – Jun 2021 · 8 mos

• Maternity Leave

Senior Software Engineer

Promoted

Sep 2019 – Sep 2020 · 1 yr

Project: Cisco CUPS (USP) enables independent scaling of control and user plans, optimising networks for 4G use cases.
Developed Host Routing and Lawful Intercept (LI) and SNMP traps for the 4G stack, achieving regulatory compliance.
Analysed change requests, conducted code reviews, and resolved customer-reported issues
Implemented encryption and decryption of LI packets using OpenSSL, enhancing data security and meeting strict compliance requirements.
Technologies used: C |C++ | GMock | GTest | 3GPP Release 14 | Edge Computing | SAE-GW-C | SAE-GW-U | PFCP | OpenSSL| RSA | AES | TCP/IP

CC++OpenSSLRSAAESTCP/IP

Software Engineer

Dec 2016 – Nov 2019 · 2 yrs 11 mos

Project: Cisco UDAP to integrate wired and wireless network designs in Catalyst 3850 switches with LAN controller functionality.
Validated ASIC functionality for L2/L3
Debugged and optimised FED (Forwarding Engine Driver) code.
Analyzed and resolved system failures with GDB.
Enhanced CAD layer coding for DopplerE in Polaris
Technologies used: Python | C | GDB | ASIC | FED | Layer 2/3 Networking | Catalyst 3850 | Cisco IOS-XE | Doppler ASIC.

PythonCGDBASICCisco IOS-XE

Wipro technologies gmbh

Senior Software Engineer

Sep 2023 – Sep 2025 · 2 yrs

Project: Cisco N9k data centre OS that simplifi es deployments and cloud management with automation and modular design.
Enhanced L2/L3 features and applications using C, C++, Sandbox, on NX-OS to improve the performance of the data centre network.
Analysed change requests, conducted code reviews, and resolved customer-reported issues.
Delivered critical features such as partial diff, configuration replacement, and rollback.
Built Command Line Input (CLI) for components like PTP ,VLAN, Port Security and EthPM
Streamlined UnitTest infrastructure by automating with python scripts resulted in reducing manual test efforts
Developed unit and integration test for the new feature using Gtest and GMock
Technologies used: C | C++ | GDB | GTest | GMock | Python | PyATS | NX-OS | Sandbox | VLAN | PTP | Port Security | Ethpm | JSON | Yaml | XML .