Yohanes A.
Senior Software Engineer
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About
Yohanes is a seasoned Senior Software Engineer and Full Stack Developer with over 25 years of experience in designing and modernizing enterprise applications across diverse sectors including Banking, Financial Services, Insurance, Retail, Transportation, and Manufacturing. His proficiency encompasses software architecture, backend development, frontend development, database design, and AI integration. Throughout his illustrious career, Yohanes has extensively worked on projects involving Master Data Management, Account Monitoring Systems, and AI-powered trading analytics platforms. His technical expertise is deeply rooted in languages and frameworks like Java, C#, Python, Node.js, and React.js. With a solid foundation in both Microsoft SQL Server and Oracle databases, he has adeptly handled tasks from database administration to AI model orchestration using modern tools such as GitHub Copilot and vLLM. Aided by methodologies like Agile and Waterfall, Yohanes excels in leading technology solutions that advance enterprise objectives and digital transformations. His educational background includes a Bachelor of Computer Science from Bina Nusantara University.
Experience
Software Designer
PT MCO (Client: Bank Mandiri) · 2022 — 2025Engaged in enterprise banking projects focusing on Master Data Management (MDM), Account Monitoring Systems (AMS), and AI-powered analytics platforms. Responsible for solution architecture, database administration, backend and frontend development, and enterprise system integration.Software Development Engineer
PT Avows Technologies (Client: United Overseas Bank (UOB)) · 2021 — 2022Maintained enterprise Data Warehouse and Data Mart solutions. Developed SQL Server Integration Services (SSIS) packages and optimized SQL Server Stored Procedures. Handled ETL processes and supported production systems.Software Development Engineer
PT Sinergi Daya Mitra (Client: Bank Mandiri) · 2018 — 2020Managed IBM InfoSphere MDM 11.4, enhancing SOAP Web Services and customizing business components. Addressed production issues and supported application maintenance.IT Specialist (Database Administrator)
PT Verena Multi Finance Tbk · 2016 — 2016Assisted with the migration from Financore to i-Financing. Developed SSIS packages, SQL Server Stored Procedures, and performed database administration and maintenance.IT Specialist (System Analyst)
PT Hypermind · 2015 — 2015Gathered business requirements and created software solutions. Developed enterprise applications with .NET and PHP while designing SQL Server databases.IT Specialist (System Analyst)
PT Mega Insurance · 2013 — 2014Designed and developed web-based insurance applications. Built backend systems using ASP Classic and created SQL Server databases and Crystal Reports.System Analyst
Sigma Cipta Caraka · 2004 — 2012Developed financial applications for multi-finance companies. Specialized in the Collection Module and engaged in all phases of the Software Development Life Cycle (SDLC). Collaborated with various teams while optimizing databases and applications.EDP / System & Network Engineer
Autosale Lancar Mandiri · 2000 — 2004Managed network infrastructure and IT systems. Installed hardware and software and provided technical support to users while performing system administration.Freelance Full-Stack Developer
nullDesigned and implemented business applications for clients in retail and service center industries, including Point of Sale Systems and Service Center Management Systems.
Skills & Expertise
Education
- Bachelor of Computer Science (S.Kom.)Bina Nusantara University · — — 2000
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