rafif wicaksono
@rafifwicaksono
Data and Machine Learning Engineer specializing in cloud-native, scalable data platforms.
What I'm looking for
I am a Data Engineer and Machine Learning Engineer focused on building cloud-native data platforms and AI-driven systems that translate business requirements into production-ready solutions.
I have delivered end-to-end projects including LLM-based chatbots, ETL pipelines, and backend services using GCP and AWS, emphasizing performance, reliability, and cost efficiency.
My work spans observability, CI/CD, and MLOps practices — deploying services on Cloud Run, Lambda, and Vertex AI while integrating OpenSearch, BigQuery, and relational databases for analytics and retrieval.
I collaborate cross-functionally with Data Scientists, MLEs, and analysts, and I prioritize automation, documentation, and query/index optimization to reduce costs and improve system trust and uptime.
Experience
Work history, roles, and key accomplishments
Data Engineer - ETL
Insignia X Alfagift
Aug 2025 - Present (6 months)
Designed and automated ETL pipelines and data retention processes across MongoDB, MySQL, and PostgreSQL, reducing storage costs by ~20% via cold storage migration to GCS/BigQuery and improving query performance through index and vacuum strategies.
Data Engineers Ops
Insignia (PT. Kreasi Media Asia) x Telkomsel
Aug 2024 - Aug 2025 (1 year)
Operated and monitored Airflow DAGs and real-time pipelines, implemented data quality frameworks and GitOps CI/CD, and optimized database partitioning and queries to reduce data warehouse compute cost by 25%.
Machine Learning Engineer
Insignia (PT. Kreasi Media Asia) x Telkomsel
Dec 2024 - Mar 2025 (3 months)
Developed and deployed generative AI pipelines using Vertex AI and OpenSearch for PDF summarization and structured content extraction, and built asynchronous model processing with AWS Lambda and Cloud Functions to improve processing scalability.
Network Development (Contract)
PT Federal International Finance
Apr 2024 - Jul 2024 (3 months)
Provided network development support on a contract basis to improve connectivity and operational workflows for internal systems.
Product Development Intern
PT Adira Dinamika Multifinance
Sep 2023 - Mar 2024 (6 months)
Contributed to product development initiatives, supporting feature design and implementation for finance products and assisting cross-functional teams during the internship.
HR People Development Intern
PT Lindungi Hutan
Oct 2022 - Dec 2023 (1 year 2 months)
Supported people development initiatives and HR programs, contributing to training coordination and employee development processes during the internship.
Data Analyst & Entry Intern
PT Bank Central Asia Tbk
Dec 2022 - Sep 2023 (9 months)
Performed data entry and analysis tasks to support reporting and operational datasets across banking functions during the internship.
HR-Generalist Staff
PT Antarestar
Apr 2022 - Sep 2022 (5 months)
Managed generalist HR duties including recruitment, employee relations, and HR operations to support organizational staffing and policies.
Education
Degrees, certifications, and relevant coursework
Universitas Negeri Jakarta
Bachelor of Engineering, Automation Engineering Technology
2020 - 2024
Grade: 3.52/4.00
Activities and societies: Relevant coursework: Pemrograman Komputer, Big Data, IoT, Kontrol Cerdas; thesis: prototype automatic parking system for odd-even plate detection using TensorFlow.
Bachelor's degree in Automation Engineering Technology with a 3.52/4.00 GPA; completed projects including RFID smart door lock, smart parking system, heartbeat monitoring, and garbage monitoring.
Tech stack
Software and tools used professionally
Postman
Google Cloud Platform
Google Cloud Storage
GitLab
Kubernetes
GitLab CI
dbt
DB
MySQL
PostgreSQL
MongoDB
Gmail
Databricks
Redis
Terraform
Jira
TensorFlow
FastAPI
Grafana
Datadog
Gemini
Firebase
OpenSearch
Solr
AWS Lambda
Google Cloud Functions
Google Cloud SQL
Firebase Authentication
Airflow
HelpDesk+
SQL
Google Cloud Run
Dify
Availability
Location
Authorized to work in
Job categories
Skills
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