Sandi Rahayu
Backend Developer and Data Engineer
Bandung
Summary
Backend Developer and Data Engineer with strong background in developing and optimizing RESTful APIs using Golang, Node.js, PHP and Python. Proficient in containerization with Docker and skilled in working with databases including Redis, PostgreSQL, MongoDB, Vector DB and MySQL. Adept at troubleshooting complex technical challenges, optimizing database performance, and delivering high-quality solutions within project deadlines. Experienced in data engineering, leveraging Python and Apache Airflow to build scalable data pipelines, automate workflows, and integrate backend systems with analytical and operational data processes. Committed to continuous learning and driving innovation in backend development and data engineering.
Overview
8
8
years of professional experience
4
4
years of post-secondary education
Work History
Data Engineer
Jabar Digital Service
Bandung, JB
07.2024 - Current
- Develop, optimize, and maintain data pipelines using Python and Apache Airflow
- Design and implement ETL processes to extract, transform, and load large datasets efficiently
- Ensure data integrity, quality, and consistency across multiple sources
- Collaborate with cross-functional teams to support data-driven decision-making
- Automate data workflows to streamline processing and reporting
Backend Engineer
Jabar Digital Service
Bandung, JB
02.2023 - 06.2024
- Leveraged Python with FastAPI and Flask to architect and develop a suite of RESTful APIs for the Jawa Barat Dashboard, ensuring seamless access to critical data and insights across various administrative departments such as healthcare, education, infrastructure, and economy
- Employed advanced data aggregation techniques within Python frameworks to consolidate disparate datasets into unified APIs, thereby providing decision-makers with a comprehensive view of key metrics and trends influencing Jawa Barat's development
- Collaborated closely with data scientists, analysts, and domain experts to identify key performance indicators (KPIs) and translate them into actionable insights prioritized within the APIs for effective decision-making
Backend Engineer
MBKM Kemdikbud
02.2022 - 12.2022
- Designed and developed REST APIs for the Praktisi Mengajar program using Golang
- Led the API development lifecycle, from registration and implementation to final reporting
- Supported higher education institutions and industry practitioners by providing seamless digital infrastructure to enhance workforce readiness
Backend Engineer
PT Someah Kreatif Nusantara
06.2021 - 12.2022
- Developed an API for several projects using NodeJs and PHP including :
- KMON - Internship monitoring platform for Senior Vocational High School
- Presensi Kemnaker - Mobile attendance application for the Ministry of Manpower, used daily by 3,000-5,000 users
- Bengkulu Mall - A marketplace promoting SMEs in Bengkulu province
Web Developer
Sasbuzz
03.2020 - 05.2021
- Developed a website and RESTful API for Klinikoo, a dental appointment scheduling platform with online consultation and transaction functionalities
Freelance Web Developer
10.2017 - 04.2020
- Managed and developed complex web-based applications, including:
- Point-of-sales systems for booking, ticketing, restaurants, and car washes
- E-office information system for government operations
- Geographic Information System (GIS) for PUPR Kab
- Tulang Bawang
- Marketplace platforms and non-profit organization websites
- Data visualization tools for medical laboratory results
Web Developer
PT Terakorp Indonesia
10.2016 - 09.2017
- Developed and maintained a hospital information system, covering appointments, medical examinations, pharmacy management, finance, and reporting
Education
Bachelor of Information Systems -
Universitas Komputer Indonesia
Bandung, Indonesia 09.2016 - 09.2020
Skills
ETL development
Data pipeline design
Data warehousing
Data migration
API development
Object-oriented programming
Experience with Nodejs
Version control with Git
Experience with golang
Experience with NoSQL databases
Experience with Docker
Experience with CI and CD pipelines
Experience with Python
Timeline
Data Engineer
Jabar Digital Service
07.2024 - Current
Backend Engineer
Jabar Digital Service
02.2023 - 06.2024
Backend Engineer
MBKM Kemdikbud
02.2022 - 12.2022
Backend Engineer
PT Someah Kreatif Nusantara
06.2021 - 12.2022
Web Developer
Sasbuzz
03.2020 - 05.2021
Freelance Web Developer
10.2017 - 04.2020
Web Developer
PT Terakorp Indonesia
10.2016 - 09.2017
Bachelor of Information Systems -
Universitas Komputer Indonesia
09.2016 - 09.2020
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