Devesh Chauhan
Gurugram
Summary
Senior Software Engineer with a strong focus on 5G architecture, C++ development, and software optimization. Proven track record in developing high-performance solutions and implementing CI/CD automation.
Overview
4
4
years of professional experience
Work History
Senior Software Engineer
Radisys India Pvt Ltd.
Bangalore
09.2025 - Current
- Expertise in 5G (NR), gNB DU, FAPI/NFAPI, design, and development.
- Expertise in creating efficient and optimized software solutions across different x86, NXP, ARM, and NVIDIA GH200 platforms.
- Skilled in NR Scheduler (QOS Aware, PF, Round Robin, Multi Cell, CA, HARQ, DL/UL Scheduling), RRM, and MAC design and development.
- Good knowledge of the 3GPP Rel 17 features: DRX, link adaptation, NTN etc.
- Expertise in Git Copilot and ChatGPT usage, having good skills in prompt engineering, RAG model LLM training basic concepts, and Python library usage.
- Experience in scheduling of terrestrial and non-terrestrial networks.
- Tech Stack - 5G NR, MAC, Scheduler, C, C++, STL, Linux, RTOS, Distributed System.
Software Engineer
Radisys India Pvt Ltd.
Bangalore
06.2022 - 08.2025
- Developed and maintained distributed, high-performance systems, fault-tolerant, and efficient large-scale data transmission.
- Optimized critical C++ codebase for distributed Unit (DU) product, reducing thread utilization by 3% across x86/ARM platforms, and improving high-load performance and system reliability.
- Developed compressive gtest unit test suites achieving 75% code coverage, identifying critical bugs early in the development cycle, and reducing production defects.
- I worked in a highly collaborative environment with a cross-functional team using agile methodologies.
- As an L2 Engineer, I worked as part of coding and unit testing for the MAC layer and MAC scheduler entity.
- Throughput and stability fixes.
- Experienced in advanced GDB debugging techniques for root-cause analysis of crashes, memory leaks, and runtime performance.
- Proficient in troubleshooting software and hardware issues, using industry-standard debugging tools.
- Tech Stack - 5G NR Scheduler, MAC, RLC, C++, C, CMake, Linux.
Software Developer Intern
Radisys India Pvt Ltd.
Bangalore
01.2022 - 06.2022
- Learned 5G architecture and different functionalities, use cases of 5G, including work on a DU unit (RAN).
- Designed and implemented a real-time chat application using socket programming and SCTP, leveraging a strong understanding of networking protocols.
- Automated nightly test suites reduce manual effort by 10% and ensure consistent, concurrent test results across CI/CD pipelines.
- Tech Stack - C++, STL, Python, SCTP, UDP.
Education
Master of Computer Applications - Computer Science
Motilal Nehru National Institute of Technology
Prayagraj06-2022
Bachelor of Science - Mathematics
R.S.M Degree College
Dhampur06-2018
Skills
- 5G architecture
- NR scheduling
- Software optimization
- C development
- CI/CD automation
- Distributed systems
- gNB DU NR SCH, FAPI, RRM, MAC, RLC
- C, C, Java
- Across platforms, integration, and porting x86, NXP, ARM
- C optimization
- Networking protocols
- Agile methodologies
- System reliability
- Code coverage analysis
- Data transmission
- Debugging
Achievements
- Secured top 10% in the LeetCode programming contest
- Actively participating in competitive contests, the current CodeForce rating is 1100
- Solved around 2,000 problems on different coding platforms
- AIR 212 in NIMCET 2019 out of 0.5 million participants
Timeline
Senior Software Engineer
Radisys India Pvt Ltd.
09.2025 - Current
Software Engineer
Radisys India Pvt Ltd.
06.2022 - 08.2025
Software Developer Intern
Radisys India Pvt Ltd.
01.2022 - 06.2022
Master of Computer Applications - Computer Science
Motilal Nehru National Institute of Technology
Bachelor of Science - Mathematics
R.S.M Degree College