Writing and Poetry
Vishal Bachhav
Software Engineer
Pune
Work Preference
Summary
Backend-focused software engineer with 7 years of experience in high-throughput telecom systems, performance optimization, and scalable backend architecture. Experienced in building and improving real-time charging systems, optimizing database performance, and designing maintainable backend services. Strong expertise in Java, Spring Boot, and Linux environments, with growing focus on backend system design and scalable architectures.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Analyst Programmer II
Cerillion Technologies
01.2023 - Current
- Designed scalable backend solutions for R&D initiatives and client requirements within a high-throughput telecom charging system.
- Improved real-time charging performance by analyzing production-like environments and optimizing system behavior.
- Produced technical design and documentation supporting maintainability and knowledge transfer.
- Mentored junior engineers and contributed to successful product releases.
- Modernized legacy codebases to align with current technology standards and best practices.
Analyst Programmer I
Cerillion Technologies
01.2021 - 01.2023
- Implemented Dynamic Balance Reservation in the Convergent Charging System (CCS) to improve real-time charging performance by reducing CCR traffic in 5G networks.
- Upgraded application servers from JBoss EAP 7.0 to 7.3 with OpenJDK 8 and automated configuration across the product suite using JBoss CLI.
- Researched and validated SolidDB compatibility and CREP data replication scalability, collaborating with the vendor to resolve integration issues.
- Developed a Spring Boot application to manage CREP replication configuration and measure data replication latency.
- Built backend utilities including a General Ledger and Revenue Recognition system and a 911 emergency services file generation utility using Java and Oracle materialized views.
- Improved system reliability and performance by optimizing queries, troubleshooting EJB web services, and resolving production issues.
Graduate Analyst Programmar
Cerillion Technologies
03.2019 - 01.2021
- Developed and maintained backend components for the Convergent Charging System (CCS) used in telecom billing and real-time charging workflows.
- Built Java utilities and internal tools to process large operational data files into structured outputs for downstream systems.
- Investigated and resolved production issues reported by clients, improving system stability and reliability.
- Gained strong understanding of telecom charging workflows, product architecture, and system components through debugging and system enhancements.
Education
Post Graduation Diploma: Advance Computing - Information Technology
Center For Development of Advance Computing - CDAC
Pune, India 04.2001 -
Bachelor of Engineering - Information Technology
MET's Bhujbal Knowledge City
Nashik, India 04.2001 -
Skills
Languages:Java, PL/SQL
Frameworks:Spring Boot, Hibernate, Maven
Databases:Oracle Database, SolidDB
Tools:Eclipse, VS Code, Postman, SOAP UI, GitHub Copilot, ChatGPT
Concepts:Backend System Design (Basic), High-Throughput Systems, Performance Optimization
Environment:Linux, Seagull (Traffic Generation Tool)
Accomplishments
Employee of the Quarter
Cerillion Technologies
Certification
Certified ScrumMaster
Interests
Badminton
Timeline
Certified ScrumMaster
11-2025
Analyst Programmer II
Cerillion Technologies
01.2023 - Current
Analyst Programmer I
Cerillion Technologies
01.2021 - 01.2023
Graduate Analyst Programmar
Cerillion Technologies
03.2019 - 01.2021
Post Graduation Diploma: Advance Computing - Information Technology
Center For Development of Advance Computing - CDAC
04.2001 -
Bachelor of Engineering - Information Technology
MET's Bhujbal Knowledge City
04.2001 -