Dian Sobarna
Open to Work

IT Developer

Dian Sobarna

.NETGolangSQL Server
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Contact Information

087772707009
kerjaan2.ds@gmail.com
linkedin.com/in/dian-sobarna/
Lebak, Banten, Indonesia
Indonesia
02 December 1994
Married
Available for new opportunities
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Summary

7+
Years Experience
3
Companies
.NET
Core Stack

Developer with over 7 years of experience specializing in C# (ASP.NET Framework, .NET Core), Golang, and SQL Server. Demonstrated ability to collaborate with teams, analyze, design, and deliver innovative features, while maintaining and enhancing existing applications. Proven track record of fostering team growth and driving application optimization.

C#ASP.NET.NET CoreGolangSQL ServerGit/GitHubDockerRedisAWS

Experience

Senior .Net Developer (IT Support)

Present

PT. Praisindo Teknologi

10/2022 – Present

Key Responsibilities & Achievements

  • Collaborated closely with Business Analysts (BA), QA, project teams, and stakeholders to investigate issues, resolve system problems, and continuously improve company applications.
  • Conducted detailed issue and bug analysis, performed Root Cause Analysis (RCA), and developed both temporary workarounds and permanent solutions to prevent recurring issues.
  • Resolved application and database-related issues by troubleshooting and enhancing .NET source code, Stored Procedures (SP), Functions (FN), SQL queries, database jobs, and performing query performance tuning. Investigated and corrected data anomalies when required.
  • Ensured system performance and stability by conducting impact analysis and regression checks to verify that code changes did not introduce issues in other modules.
  • Managed source code using GitHub, supporting proper version control, code integration, and collaboration while minimizing merge conflicts and deployment issues.
  • Documented issue investigations and system changes by preparing Release Notes (RN), implementation documents, before-and-after fix documentation, and lists of modified technical objects.
  • Assisted clients and end users in understanding existing systems and provided explanations and support related to Business as Usual (BAU) processes and system functionality.
  • Developed and implemented new features based on client-specific requests, business requirements, and operational needs.
  • Leveraged AI-assisted tools to improve the efficiency and effectiveness of issue investigation, root cause analysis, solution exploration, and problem resolution.
  • Maintained and supported multiple business-critical applications, including: WMS IMSSIAR — Mutual Fund Management System, WMS RBS Bonds — Bond Management System, Mobile APIs, Scheduler and Batch Processing Systems.

Backend Developer .Net

PT. Enviromate Technologi International

07/2021 – 10/2022

Key Responsibilities & Achievements

  • Developed and maintained .NET-based APIs to support the business and operational needs of EnviroMate Teknologi International (ETI) and its subsidiaries across multiple industries, including coal mining, nickel mining, oil and gas, and vehicle rental services.
  • Maintained and enhanced business-critical APIs supporting daily operational processes across multiple subsidiaries.
  • Investigated, analyzed, and resolved bugs and technical issues in .NET APIs, ensuring system reliability, stability, and continuity of business operations.
  • Designed and optimized database schemas, SQL queries, and database structures, with a focus on data integrity, scalability, and query performance.
  • Collaborated with Frontend Developers, UI/UX Designers, and field operation teams to design and develop internal systems based on business and operational requirements.
  • Provided technical support and problem-solving for critical operational incidents across subsidiaries, including developing and supporting vehicle tracking and remote control capabilities for the vehicle rental business (monitoring locations, reviewing history, remotely disabling engines based on operational boundaries).

Developer .Net & Java

PT. Indocyber Global Teknologi

10/2018 – 06/2021

Key Responsibilities & Achievements

  • Assisted clients in developing and enhancing internal applications using .NET and Java, based on their business and operational requirements.
  • Investigated and resolved bugs across both frontend and backend components, including applications and services built with .NET and Java.
  • Optimized SQL queries and database performance to improve application efficiency, and designed and developed database schemas with a focus on performance, scalability, and data integrity.
  • Developed and enhanced a Web-Based Management System (WMS) for insurance companies to support their business operations.
  • Managed and contributed to multiple client projects across different technology stacks, including Zurich (.NET Development), Sun Life (.NET Development), Indocyber Internal Projects (.NET Development), Ekreasi (.NET & Java Development), FWD (Java Backend Development), and Mandala Multifinance (Java Backend Development).
  • Managed and maintained internal Virtual Machine (VM) servers as well as client SIT and UAT environments, supporting application deployment, testing, troubleshooting, and system stability.

Education

Information System

Gunadarma University

Bachelor's Degree (S1)

2013 – 2017
GPA: 3.51 / 4.00
  • →Teaching Assistant at "Laboratorium Pengembangan Pengolahan Citra (LPPC)", Gunadarma University.

Certificates

🦫

Go (Golang) Learn Like an Engineer (Microservice)

PT Praisindo

2024 – Present
🎮

3D Game Design And Development

University Gunadarma

2016 – Present
🔍

Digital Forensic

Himpunan Mahasiswa Teknik Informatika (HIMT)

2015 – Present
🎨

Junior Graphic Designer

KOMINFO RI

2013 – Present
✨

Animate With Blender

Himpunan Mahasiswa Teknik Informatika (HIMT)

2013 – Present
🌐

Computer Networking Competence

Badan Standar National Pendidikan (BNSP)

2013 – Present
📡

Training & Consulting CCNA 1

Brainmatics

2012 – Present

Skills

Programming Language

C# (.NET Framework, .NET Core)Advanced
SQL QueryAdvanced
GolangIntermediate
HTML / ASPXBasic
AngularJSBasic

Database & Reporting Tools

SQL ServerAdvanced
SSRSAdvanced
PostgresIntermediate
NavicatIntermediate
DBeaverIntermediate

Other Technical Skills

Manage Server (IIS)Advanced
Tuning QueryAdvanced
Postman / SoapUIAdvanced
Manage Server VMAdvanced
Root Cause Analysis (RCA)Advanced
Manage Git / GitHubAdvanced
GitHub Action CI/CDIntermediate
Manage AWSIntermediate
DockerIntermediate
RedisIntermediate
Working With AIAdvanced

Languages

IndonesiaNative
EnglishBeginner