Hi, I'm Rizki Puji Lestari
Software Engineer • Enterprise Systems & Scalable APIs
Software Engineer specializing in backend architecture, high-concurrency database optimization (PostgreSQL/MySQL), and enterprise systems across banking, healthcare, and manufacturing ERP. Focused on clean system design, secure data transactions, and robust end-to-end SDLC implementations.
Professional Summary
Results-driven Software Engineer with 4+ years of hands-on experience engineering scalable RESTful APIs, enterprise ERP systems, and secure transaction architectures across banking, healthcare, and manufacturing. Backed by an Informatics degree (GPA 3.56) and a national BNSP Certified Web Professional (CWP) credential, I specialize in the PHP/Laravel ecosystem, relational database optimization (PostgreSQL/MySQL), and end-to-end SDLC leadership—from technical SRS/PRD scoping to production deployment.
Technical Skills
Standardized skill mapping across primary architectural domains.
Backend & Databases
Primary StackFrontend & UI Logic
Integrated UISDLC & Best Practices
StandardizationWork Experience
Documented history of software development, backend engineering, and ERP implementations
ASKARA GROUP
Web Developer — PT Askara Tehno Indonesia
Jul 2026 – Sep 2026 | Bekasi, Indonesia- Develop, maintain, and optimize web-based ERP (Enterprise Resource Planning) system modules using PHP, CodeIgniter 3, and MySQL to streamline operational business workflows.
- Perform systematic troubleshooting, bug resolution, and code refactoring to ensure high availability and robust system performance.
Technical Writer (ERP Project) — PT Banshu Rubber Indonesia
May 2026 – Jun 2026 | Purwakarta, Indonesia- Authored end-to-end technical ERP documentation, initiating from Software Requests and/or Change Requests.
- Drafted comprehensive System Scope documentation defining system specifications (components of SRS and PRD).
- Developed test documentation including Unit Testing matrices and User Acceptance Testing (UAT) scenarios.
- Facilitated UAT sessions with business stakeholders and managed the formal client sign-off approval process.
Software Engineer — PT Banshu Plastic Indonesia
May 2025 – Apr 2026 | Indonesia- Engineered and scaled web-based ERP modules and supporting operational software applications.
- Architected and built PT Banshu Plastic's corporate company profile website from scratch using Laravel, HTML5, and jQuery, collaborating closely with the Digital Marketing team for SEO optimization.
- Collaborated with cross-functional teams to ensure seamless and secure business data integration across ERP subsystems.
Backend Developer — PT Sabio Ekuator Teknologi
Oct 2023 – Jan 2025 | Bandung, Indonesia- Architected and implemented secure, modular, and scalable backend RESTful API endpoints utilizing Laravel and NestJS.
- Maintained code quality and deployment reliability using Git version control workflows and automated unit testing.
- Partnered with frontend and UI/UX teams to achieve seamless data integration and responsive user interactions.
Web Programmer — PT Alfatih Solusindo Technology
Jul 2023 – Sep 2023 | Sukabumi, Indonesia- Engineered and managed digital Electronic Medical Record (EMR / ERM) modules within the Hospital Information System (HIS/SIMRS) application.
- Developed custom web application features aligned with healthcare data standards and clinical workflows, while diagnosing production issues, executing systematic bug fixes, and optimizing database queries to ensure high system availability for critical hospital operations.
Backend Developer & QA Engineer — CV Torche Indonesia
Jun 2022 – Jun 2023 | Bandung, Indonesia- Constructed and maintained secure RESTful API endpoints for the 'Bapas Penerimaan' sub-module of the Sistem Database Pemasyarakatan (SDP) web application using Laravel Lumen and PostgreSQL.
- Designed relational database schemas and server-side architecture to guarantee data integrity across system services.
- Developed and executed comprehensive regression test suites with Python and Node.js for Bapas Penerimaan API endpoints, including latency-specific performance tests, analyzing results, dan documenting performance metrics.
Full Stack & Frontend Developer — PT Akses Cipta Solusi
Sep 2019 – Feb 2022 | Bandung, Indonesia- Developed a dynamic company profile website for Suryaputra, providing full content control with a custom REST API and integrated internal CMS (Content Management System) for flexible and efficient updates.
- Developed and maintained the web-based Hajj Payment Application, SISKOHAT (Sistem Informasi dan Komputerisasi Haji Terpadu), for Bank Sulselbar, facilitating efficient and integrated Hajj payment processes.
- Designed and implemented internal applications, such as a Server Latency Monitoring App and a Project Monitoring tool, utilizing PHP frameworks (Laravel/CodeIgniter) to address critical operational needs.
- Built interactive and responsive web user interfaces (UI) leveraging modern JavaScript, HTML5, dan CSS3, ensuring cross-browser compatibility and optimal front-end performance.
Enterprise Case Studies
High-impact engineering resolutions designed without compromising proprietary client data.
SISKOHAT Bank Sulselbar Transaction Integrity
Challenge: Guaranteeing real-time synchronization of Hajj deposit payments between the regional bank core and the central ministry server during simultaneous nationwide quota registration.
Engineering Solution: Implemented strict database transaction locking, automated request retry handling, dan auditable client transaction logging.
Outcome: Prevented duplicate payload submissions and ensured reliable confirmation of participant portion numbers with zero ledger discrepancies.
Multi-Tier Manufacturing ERP System Engineering
Challenge: Developing and scaling core ERP backend modules capable of handling plant-level FAT (Finance, Accounting, and Tax) modules, inventory lot tracking, and multi-facility data synchronization without database deadlocks or data inconsistencies.
Engineering Solution: Architected and refactored modular backend components using PHP (CodeIgniter 3) and MySQL, authored rigorous System Scope specifications (SRS/PRD), and designed optimized database schemas with relational constraints and indexing strategies.
Outcome: Delivered robust ERP modules supporting high-availability plant operations, eliminated duplicate transaction states, and achieved 100% formal sign-off during User Acceptance Testing (UAT).
Education
Academic background in informatics engineering and computer science
NURTANIO UNIVERSITY
— Husein Sastranegara, BandungBachelor Degree; Major in Informatics Engineering
GPA: 3.56 out of 4.0
POLYTECHNIC OF POS INDONESIA
— Sarijadi, BandungDiploma III Degree; Major in Informatics Engineering
GPA: 3.39 out of 4.0
SMK NEGERI 2 SUMEDANG
— North Sumedang, SumedangVocational High School; Major in Software Engineering
Certifications & Professional Training
Accredited certifications and industry-standard training completions
National Professional Certification Agency (BNSP)
National CredentialDicoding Indonesia
CI/CD & InfrastructureSkilvul
Web FoundationsFeatured Projects & Deployments
Live applications, enterprise modules, and deployed platforms.
PT Suryaputra Adipradana's Company Profile
Dynamic corporate profile website featuring comprehensive fleet catalog management, custom REST API integration, and an internal CMS for flexible content updates.
PT Banshu Plastic Indonesia's Company Profile & CMS
Corporate website for plastic manufacturing built from scratch using Laravel, HTML5, and jQuery with an SEO-first architecture.
SISKOHAT & Banking Core APIs
Centralized Hajj payment registration platform integrated for Bank Sulselbar with strict transaction auditing and high reliability.
Let's Connect & Discuss
Open to full-time engineering roles, enterprise system contracts, and technical consulting discussions.