Vaibhav J.

CTO

India10 yrs 2 mos experience

Key Highlights

Over 10 years in telecom software development.
Expert in 5G core network design and implementation.
Proficient in both Agile and Waterfall methodologies.

Stackforce AI infers this person is a Telecommunications Architect specializing in 5G core network solutions.

Contact

Skills

Core Skills

5g Core Network DesignCloud-native Architecture4g Lte Solutions5g Cloud-native DeploymentsNetwork Architecture5g Core DevelopmentMicroservices ArchitecturePacket Forwarding Control Protocol

Other Skills

3GPP4G LTE5GAgile MethodologiesAlgorithmsApple PayBashCC++CUPSCisco TechnologiesCloud-native technologiesControl Plane DevelopmentCore JavaCustomer Engagement

About

Vaibhav brings over 10 years of experience in software development and consulting within the telecom and networking domain, demonstrating strong analytical and problem-solving skills. His expertise spans a broad range of areas, including end-to-end system design using modern microservices-based architecture and the development of various features tailored to customer use cases. Key expertise includes: - Cloud-native technologies, TCP/IP, 5GC (AMF, SMF, UPF, PCF, NRF, SCP, and SEPP), CUPS, 4G LTE, Gx-interface, and Gz-interface. - Multithreaded programming, object-oriented programming, and kernel-level programming. - Proficiency in both Agile and Waterfall methodologies of software development. Vaibhav is self-motivated, effective at multitasking, and excels under pressure, consistently meeting timelines and exceeding expectations.

Experience

Hyperblox india pvt ltd

Technical Lead

Feb 2024 – Present · 2 yrs 1 mo

Developing 5G core network blueprints (AMF, SMF, NRF, AUSF, CHF, UDM and UDR) for Hyperblox, enabling real-time management through the Hyperblox controller. Focused on creating scalable, flexible designs that streamline deployment, automate processes, and optimize performance, ensuring efficient and adaptable for both commercial and private 5G networks.

5G Core Network DesignCloud-native Architecture

Tech mahindra

Technical Lead

Mar 2021 – Mar 2023 · 2 yrs · Bengaluru, Karnataka, India · Hybrid

Developed 4G LTE cloud-native MME/AMF solutions for Microsoft.

4G LTE SolutionsCloud-native Architecture

Oracle

5G Solution Architect

Jul 2019 – Mar 2021 · 1 yr 8 mos · Greater Bengaluru Area

Led 5GC cloud-native SA deployments and implementations for major North American MNOs, including T-Mobile, Verizon Wireless, and Dish Network. As a technical consultant for Oracle in the telecom sector, I was responsible for creating detailed design documents, test plans, Methods of Procedure (MOP), Network Architecture and Design Plans (NAPD), and System Architecture and Design Plans (SAPD). My work ensured robust and scalable solutions tailored to client needs, enhancing network performance and reliability.

5G Cloud-native DeploymentsNetwork Architecture

Mavenir

Member Of Technical Staff II (R&D 5GC)

May 2018 – Jul 2019 · 1 yr 2 mos · Mumbai Area, India

Served as a Developer for the SMF network function in Mavenir's microservices-based cloud-native 5G core network solution. Responsibilities included implementing comprehensive call flows for the 5G core, developing various handover features, and facilitating interactions with PCF and UPF over HTTP2, as well as managing NAS, NGAP, and PFCP protocols.

5G Core DevelopmentMicroservices Architecture

Cisco

Software Engineer

Feb 2015 – May 2018 · 3 yrs 3 mos · Pune/Pimpri-Chinchwad Area

Developed Packet Forwarding Control Protocol (PFCP) on the interface between Control and User Plane, a fundamental requirement for 5G mobile network gateways.
Designed and developed User Plane and Control Plane architecture, including the corresponding billing system at the Control Plane for both online and offline charging records.
Handled Policy and Charging Rules Function (PCRF) implementation across the Sxb interface between Control and User Plane.
Implemented Session Recovery and Geographical Redundancy (ICSR) for Control and Data path modules.
Developed various Tethering Detection features on the data path for the PDN Gateway.
Worked on Cisco ASR5K Enhanced Charging Service (ECS), including packet detection, CDR, and EDR generation.

Packet Forwarding Control ProtocolNetwork Architecture