Rajneesh Kumar
LinkedIn: Rajneesh Kumar
Github: github.com/Rajneesh100
Email:-Mobile: -
Portfolio: Rajneesh Kumar
Education
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Indian Institute of Technology, Patna
Bachelor of Technology - Computer Science & Engineering (CPI: 8.02)
Patna, India
Nov 2020 - Jul 2024
Work Experience
Software Development Engineer 1
Onsite
Meesho
Feb 2025 - Present
- Developed a dynamic rule engine to execute analytical rules (using MVEL) for fraud prevention in order and
returns. Integrated multiple services and data sources via runtime wrappers for efficient rule evaluation.
- Performing continuous infrastructure monitoring and conducting root cause analysis to identify and resolve
production issues, improving system stability.
- Migrated a legacy Python-based service to Java Spring Boot, added structured debugging logs and
Prometheus-based metrics, enhancing fault tolerance and reducing latency by 30%.
Onsite
Full Stack Developer
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RAAPID INC
June 2024 - Feb 2025
- Redesigned database structure to align with industry standards, improved existing Events and Procedures, and
implemented an Archival system to move 150+ day-old data with 100% uptime.
- Streamlined report generation by replacing Python-based workflows with efficient SQL solutions, reducing
complexity, enhancing communication, reducing review time by 60%, improving accuracy, and minimizing logical
errors.
- Managed Azure data pipelines, automated data insertion tasks, and optimized query performance by 25%
through indexing, locking, and server parameter adjustments.
Remote
Full Stack Developer Intern—Certificate
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RAAPID INC
Jan 2024 - May 2024
- Created default and custom triggers for screen elements to monitor 1,000+ individual user sessions on the
Product page via Matomo each day, stored data in a MySQL database.
- Calculated active and idle time for every session by leveraging RDBMS tools such as Events and Procedures,
achieved 95%+ accuracy.
- Utilized open-source analytics tool Metabase to visualize performance metrics such as time spent, feature usage,
and user flow patterns, achieving zero-cost solutions.
Software Developer Intern—Certificate
Onsite
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Truminds Software Systems
May 2023 - Jul 2023
- Developed efficient C repository for high-performance packet processing in DPDK, focusing on GTP packet
identification, decapsulation, and advanced filtering (port&IP).
- Enhanced interrupt handling to reduce latency and improve packet processing and filtering, achieving a 70–75%
improvement in packet manipulation.
- Deployed and tested DPDK-based system using UDP, achieving 2x the packet processing speed of the standard
5-layer network stack.
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Personal Projects
• Smart Contract Analyzer—Source code:
May 2023 - Apr 2024
(B.Tech Project under Prof. Somanath Tripathi), Computer Science Dept, IIT Patna)
- Integrated an LLM with a custom knowledge base to analyze smart contracts, identify vulnerabilities, and suggest solutions,
reducing manual review time by 80-90% and achieving 85%+ accuracy.
- Used 5,000 flagged smart contracts (source: etherscan.io) as a knowledge base and built a vector database for ensuring
coherence over large contexts.
Skills Summary
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Languages
Frameworks
Tools
Platforms
C++, C, Python, SQL, Java, Go
Node.js, Angular, Spring Boot, Data Plane Development Kit(DPDK)
GIT, MySQL, PostgreSQL, MongoDB, Azure Data Factory, Docker, Metabase, Matomo, Photoshop
Linux, Windows, Arduino
Achievements
• Knight on Leetcode (rating 2004). Profile Link:
• Codechef Starters 47: Secured Global Rank 48 among 15000+ participants. Profile Link:
• Codechef October Lunchtime 2021: Secured Global Rank 65 among 13000+ participants.
• Solved 1200+ DSA problems across all coding platforms.
Volunteer Experience
• Negotiated with over 10 recruitment firms as Assistant Head Coordinator at Training & Placement Cell, IIT Patna.
• Joined Infinito, IIT Patna in the second year as a Sub Coordinator responsible for managing social media posts and
designing content.
• Coordinated Infinito 2k22, IIT Patna, an offline and online annual sports festival, with more than 3000 participants.
