williar
Senior Backend Engineer | Golang | Distributed Systems | Web3
Senior Software Engineer | Backend & Golang | Full Stack
Experienced software engineer with 10+ years of experience building backend and full-stack applications for enterprise and large-scale business environments in Indonesia.
Strong expertise in Golang, Python, Node.js, React.js, Next.js, PostgreSQL, MySQL, Kafka, Docker, Kubernetes, and CI/CD, with hands-on experience in microservices and event-driven architectures.
I have worked on projects across financial services, logistics, energy, and enterprise platforms, including systems involving fraud detection, marketplace platforms, data processing, and business applications.
My core strengths include backend engineering, API development, distributed systems, database design, system integration, and building reliable production applications. I also have experience working as a Tech Lead and collaborating with cross-functional teams to deliver end-to-end solutions.
Currently interested in opportunities as a Senior Backend Engineer, Golang Engineer, Senior Software Engineer, Platform Engineer, or Full Stack Engineer, particularly in product, fintech, Web3, blockchain, and technology-driven companies.
Experience: 10 years
Yearly salary: $38,000
Hourly rate: $25
Nationality: 🇮🇩 Indonesia
Residency: 🇮🇩 Indonesia
Experience
Pelindo
Sharing Vision Indonesia 2025 - 2026
Full Stack Engineer responsible for system modernization and technology migration for an SKK Migas project. Migrated the legacy frontend from HTML and JavaScript to React.js. Migrated the backend from Java to Spring Boot. Developed additional system features during the modernization process. Worked with React.js, Java, Spring Boot, Python, and Apache Superset. Contributed to improving maintainability and modernization of the application architecture
BRI
Sharing Vision Indonesia 2023 - 2024
Backend Engineer contributing to an enterprise Fraud Detection platform for Bank Rakyat Indonesia (BRI). Developed backend services and REST APIs using Golang. Contributed to the Fraud Detection dashboard supporting earlier identification and monitoring of potentially fraudulent transactions. Developed and integrated microservices using Apache Kafka and event-driven architecture. Deployed microservices to Kubernetes environments. Worked with Jenkins and CI/CD workflows. Worked with PostgreSQL, MySQL, HBase, Python, React.js, and Grafana. Contributed to enterprise banking initiatives including Fraud Detection, BI-FAST, and BRILink
BRI
Sharing Vision Indonesia 2021 - 2022
Full Stack Engineer working on enterprise software projects across banking, energy, and other large-scale business environments. Key responsibilities include backend and frontend development, REST API development, microservices, database design, system integration, application testing, and production support. Worked with Golang, Python, Java, JavaScript, React.js, Next.js, Node.js, PostgreSQL, MySQL, Kafka, Docker, Kubernetes, Jenkins, and CI/CD.
Full Stack Developer of Web and System Analyst
Mandira.id 2019 - 2021
I was involved in the development of data structures, workflows, and additional system functionalities for several applications, including Mandira.id (Children’s Book Sales Website), Member.mandira.id (Mandira Partner Application), E-learning.mandira.id (Mandira Partner Training and Strategy Platform), Arisan.mandira.id (Book Sales with a Savings-Based System), and Cms.mandira.id (Content, Product, and Partner Management for Mandira).
Skills
analyst
big-data
computer-science
data-science
full-stack
golang
javascript
php
python
sql
english