Aldowad Alles Sandro Hamonangan Simanjuntak
EXPERTISE
BIO
Backend Engineer with 3+ years of experience across government, fintech, and banking sectors. Skilled in building scalable backend systems, secure APIs, and cloud-native applications using technologies like Node.js, Go, PostgreSQL, and GCP/OCI. I hold industry-recognized certifications, including the Certified DevOps Professional 2023 by Oracle and Backend Engineer by Ministry of Communication and Information Technology of Indonesia Committed to continuous learning and staying ahead of technology trends, I am passionate about building scalable and efficient systems. I am actively seeking remote opportunities, collaborations, and project engagements where I can contribute my expertise and drive impactful solutions.
WORK EXPERIENCE
Backend Developer
Ministry of Communication and Information Technology Medan
January 2023 - September 2025
Developed new features and APIs using JavaScript and TypeScript to support client-side and server-side functionality. Monitored and optimized system performance to ensure application scalability, reliability, and security. Conducted code reviews and contributed to the development of responsive, user-friendly websites for clients. Collaborated with cross-functional teams (designers, product managers, QA) to implement efficient solutions for data processing, storage, and retrieval. Ensured best practices in software development, including version control, modular architecture, and test coverage
Full Stack Developer
Qwords
November 2024 - December 2024
Redesigned responsive landing pages using HTML, CSS, and JavaScript to improve user experience. Built RESTful APIs with Laravel and integrated PostgreSQL for efficient backend services. Implemented secure authentication flows with OAuth and bcrypt in a PHP-based system.
Full Stack Developer
BTPN Syariah
September 2024 - October 2024
Developed a custom profile picture feature and integrated it into the banking system frontend. Engineered RESTful APIs and middleware using GoLang with PostgreSQL and JWT authentication. Enhanced backend security and performance through secure coding and data encryption practices
Backend Developer
Secretariat of the Regional Representative Council (DPRD) of North Sumatra
April 2022 - June 2023
Developed a web-based inventory management system to digitize asset tracking and reduce manual tasks by over 60%. Designed and implemented relational MySQL database schemas, improving data integrity and retrieval efficiency. Utilized PHPMyAdmin for secure database administration, ensuring access control and consistent data backups. Engineered transaction management features that automated data workflows and minimized human error. Created modular backend architecture and optimized application performance through clean, maintainable code.
Junior Software Developer
Secretariat of the Regional Representative Council (DPRD) of North Sumatra
January 2022 - March 2022
Collaborated with the Backend Developer team in designing and developing various components of web applications. Assisted in maintaining and troubleshooting existing web applications, gaining valuable hands-on experience in identifying and resolving issues. Participated in code reviews and collaborated with team members to enhance code quality and adherence to best practices
EDUCATION
Bachelor's
Prima Indonesia University, September 2023
Information System
CERTIFICATIONS
Oracle Infrastructure 2023 DevOps Professional
Oracle
Issued: 9/8/2023 - Expires: 9/8/2025
Credential ID: https://catalog-education.oracle.com/pls/certview/sharebadge?id=B1D1B044B54DA992A195CE70FCD043D0E4C5F3740C8DA6985F5138335CE757DC
Backend Engineering
Ministry of Communication and Information Technology (Indonesia)
Issued: 11/30/2023 - Expires: 5/25/2025
Credential ID: https://drive.google.com/file/d/1OKtQnU2kVTl52G_Jfzfm-hQiTwwo-0Xe/view?usp=sharing
Backend Javascript
Binar Academy
Issued: 12/7/2023 - Expires: 5/25/2025
Credential ID: https://drive.google.com/file/d/1UKG5hG_g3Z8E3CVMd9z3LLW3ipcqPWed/view?usp=sharing
Cloud Computing
Bangkit AcademyGoogle, Tokopedia, Gojek, Traveloka)
Issued: 1/1/2023 - Expires: 5/25/2025
Credential ID: https://drive.google.com/file/d/1G0Ko8nQmHN_0IwDozb4_tVFCKRkaQgo8/view?usp=sharing
PORTFOLIO PROJECTS
RESTFUL Banking API
A secure and scalable Banking System RESTful API built with Express.js, PostgreSQL, and Prisma. It enables user registration, JWT-based authentication, transaction and bank account management, and secure file uploads. Features include password recovery, error tracking with Sentry, and API docs via Swagger UI. Designed to support modern banking apps with strong performance and security.
View Project9/1/2024 -5/1/2025
B-Connect-Apps
An app that provides an overview of Indonesian culture, featuring a menu that covers various aspects of culture, such as cultural names, locations, traditional clothing, and more. The app also allows the addition of important cultural events and days. The main objective of the app is to promote and preserve Indonesia's cultural diversity while facilitating users in understanding and celebrating these cultures. With a focus on developing interactive Mobile applications, intelligent Machine Learning algorithms, and the use of a reliable cloud platform, the Language and Culture App project will be a valuable resource in promoting and preserving Indonesian cultures.
View Project8/1/2023 -1/1/2024
Verified Backend Developer
3-5 years of experience
Preferred commitment: Full Time
Languages
Skills
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