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Richard Wicaksono

Junior Data Engineer and Analyst specializing in ETL, analytics, and e-commerce data

Dreamstream, LLCUC IrvineWalnut, CA3 Years ExperienceJunior Level

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About

Data engineer with a Master's in Data Science who has owned 30+ customer-facing K-12 SIS migrations end-to-end, building ETL, validation, and SOP-driven deployment processes in a PII-sensitive environment. Also brings recent hands-on agentic AI experience from a biotech capstone, where they led a production-oriented NLP-to-SQL + RAG support system that handled about 30% of support queries in testing.

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Key Strengths

  • Owned end-to-end customer deployments for 30+ K-12 school onboardings
  • Built flexible ETL and validation workflows for messy real-world customer data
  • Improved deployment efficiency by reducing per-project conversion time by 2 hours
  • Strong data integrity focus for PII-sensitive migrations
  • Bridged customers, implementation teams, and engineering as primary technical contact
  • Mentored 3 junior engineers and standardized deployment practices
  • Debugged production data incidents and turned them into durable process improvements
  • Built agentic AI architecture combining NLP-to-SQL and RAG
  • Designed validation and fallback logic for ambiguous LLM-driven workflows
  • Delivered AI system that handled roughly 30% of support question volume in testing

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Experience

Financial AnalystDreamstream, LLC · Mar 2026 – Present
Category Strategy InternTikTok · Jun 2025 – Aug 2025internship
Data EngineerNelnet · May 2022 – May 2024

Education

UC Irvinemaster, Data Science (2025)
Seattle Pacific Universitybachelor, Information Systems (2021)

Skills

PythonPandasSQLRJavaC++JavaScriptReactPHPGitLangChainPostgreSQLMySQLMongoDBJupyter Notebook

Languages

English

Certifications

Google Workspace Administrator

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Finance & AccountingFinance & Accounting in Los Angeles MetroPythonpandasSQLR

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Richard WicaksonoJunior Data Engineer and Analyst specializing in ETL, analytics, and e-commerce data