Antonius Purba

Senior software engineer

Bank of America • Full time

Jun 2023 - Jul 2025 • 2 yrs 1 mo

• Led development of a digital banking platform from scratch, transforming traditional offline BPR operations into a fully online system supporting digital transactions, balance tracking, and centralized account management used by 21 internal staff and 800+ customers • Authored secure RESTful APIs for core banking transactions and administrative functions, automating the most time-consuming manual processes and supporting web/mobile clients of the BPR Artha Jaya bank. • Built backend services handling transaction processing, balance tracking, and customer data management for internal and customer-facing systems • Implemented secure authentication including Google OAuth, role-based access control, and protected financial data handling • Integrated AWS S3 for secure document and image storage supporting digital banking workflows • Developed frontend modules using Livewire, Vue (Vite), Blade, and Alpine.js to support operational dashboards and customer services • Implemented Redis caching and WebSocket services to improve performance, enable real-time updates, and reduce database load • Automated CI/CD pipelines using GitHub Actions and managed deployments on AWS cloud infrastructure • Collaborated with stakeholders to digitize banking workflows, improving operational efficiency and enabling online financial services Tech: Laravel 11 (PHP), Vue.js, Vite, Alpine.js, Blade, React, TypeScript, Redis, WebSockets, MongoDB, AWS (S3, EC2), GitHub Actions, REST APIs, OAuth, PHPUnit (Unit Testing), Flutter, Linux

Sofware Engineer

FirstX • Full time

Mar 2021 - Apr 2023 • 2 yrs 1 mo

Backend / Product Engineer – PT Link Net Tbk (First Media) May 2021 – Dec 2023 • Developed and maintained backend services and internal systems supporting internet, cable TV, and telecommunication platforms for active subscribers • Contributed to customer platforms (FirstMedia.com & my.firstmedia.com) handling subscription, billing, and service management workflows • Built and maintained RESTful APIs using Django and Laravel for customer account and service operations • Developed Golang-based services for telephony number validation and real-time service monitoring • Designed customer database filtering and distribution systems for regional sales teams, contributing to ~25% increase in sales performance • Improved backend reliability and performance by resolving production issues and optimizing database queries • Integrated backend services with internal and frontend systems to ensure reliable customer data synchronization • Collaborated with product, QA, and engineering teams in Agile environment and supported CI/CD deployments on Linux infrastructure Tech: Golang, Django, Laravel, PostgreSQL, REST APIs, CI/CD, Linux, Git, Agile/Scrum

Software Engineer

Ace Hardware • Full time

Feb 2016 - Feb 2021 • 5 yrs

• Developed and maintained backend services and internal systems supporting nationwide ACE Hardware retail operations across multiple store locations • Contributed as a product engineer for Ruparupa.com during pre-launch and production phases, ensuring backend readiness and stable public release • Built backend services for the ACE Rewards mobile application, integrating SAP member and transaction data into AWS-based systems for centralized customer processing • Designed and implemented automated inventory replenishment and synchronization across SAP, warehouse, and POS systems, enabling store-level auto-ordering based on Pareto stock thresholds and reducing manual stock reconciliation by ~35% • Built and maintained integrations between SAP, POS, warehouse, and internal systems to ensure real-time inventory and transaction data consistency • Supported ETL pipelines and operational reporting systems, improving data availability for inventory tracking and retail operations • Assisted with CI/CD pipelines, deployment processes, and Linux-based production environment maintenance to ensure stable releases • Supported network and system setup for new store openings, ensuring infrastructure readiness and operational connectivity • Collaborated with infrastructure, operations, and product teams to maintain system reliability across retail and e-commerce environments Tech: PHP (Laravel), MySQL, SAP Integration, POS Systems, AWS (basic), Linux, CI/CD, ETL, Firebase, Flutter (Dart), Kotlin, Networking, Git