Shipping & logistics
Shipping operations applications, shipping backends, dashboards, and delivery requirements in commerce.
FOUNDER · SOFTWARE ENGINEER · TEAM LEAD
Sanda Agung
Juliawan.
From operational needs,
to applications that make a difference.
With nearly 15 years as a programmer, I build custom applications and backend systems that connect business processes, data, and the people who use them. Based in Batam, Indonesia, I have experience working with international teams.
BATAM, INDONESIA
- Custom applications
Solutions for operational needs.
- Backend & integrations
Connecting data and business processes.
- Engineering leadership
Building systems together as a team.
01 / ABOUT ME
Understanding the work.
Designing the solution.
My journey spans everyday operational applications, connected enterprise systems, and complex e-commerce requirements. I am interested in the meeting point between real challenges on the ground and practical technical solutions.
I work with business, product, design, and engineering teams to turn requirements into application workflows. My focus includes custom applications, API integrations, workflow automation, and maintainable backend architecture.
Beyond implementation, my experience includes leading engineering teams, code reviews, mentoring, and developing technical working standards.
02 / MY CODING JOURNEY
Always evolving,
grounded in real needs.
My development history on GitLab and professional experience on LinkedIn, summarized by period and field.
- Before 2016
The journey began before my GitLab archive
My experience as a programmer spans nearly 15 years. The early years of this journey predate my GitLab account, which has been registered since September 2016.
- 2016
Development history on GitLab
My GitLab account has been registered since September 2016, forming part of an ongoing development archive.
- 2017–2018
Custom applications and industrial integrations
Developed applications for shipping, education, laundry, and hotel front offices, alongside financial dashboards, file sharing, and system integration foundations. As a senior programmer, developed Python-based ERP modules and connected industrial machinery and equipment with business systems.
- 2018–2020
From individual applications to operational systems
As a full stack engineer, built ERP, WMS, POS, purchasing, accounting, and ferry ticket reservation systems with centralized reporting. Development also covered desktop finance, vehicle rental, tenant management, and legal applications, with APIs connecting access and data across applications.
- 2020–2021
Backend, mobile, and transaction workflows
Since June 2020, my professional role has continued as a senior backend engineer and team lead. Development also included mobile experiments for quizzes and expense planning, shipping backends, branch-level order processing, and POS integrated with e-commerce workflows.
- 2022–2023
A broader range of business integrations
Development covered shipping dashboards, warranty services, inventory, reports, receipts, order management, and discount logic, with a growing focus on applications supporting e-commerce operations.
- 2024–2026
Commerce, extensibility, and engineering leadership
Developed checkout, delivery, payment, discount, B2B, loyalty, and customer account features, integrating commerce with ERP, CMS, WMS, and external APIs. Professional experience also includes migrating legacy logic and leading engineering teams.
- 2026
Application foundations and working tools
Recent development includes modular application foundations, monitoring, application requirement portals, budget management, export finance records, and AI-powered work assistants.
03 / FIELDS I WORK IN
Many fields.
One approach: connected.
Commerce & retail
Custom apps, POS, checkout, discounts, payments, loyalty, warranties, and B2B requirements.
Finance & administration
Financial dashboards, desktop applications, receipts, budgets, reports, and income and expense records.
Operations & services
Warehousing, inventory, purchasing, vehicle rental, tenant management, hotels, laundry, education, legal services, and bookings.
Integrations & industry
APIs connecting systems, ERP, CMS, WMS, industrial equipment integrations, logistics, and business workflow automation.
Engineering & leadership
Backend architecture, system migrations, code reviews, mentoring, and collaboration across teams.
04 / MY TOOLKIT
Technology follows
the application’s needs.
Experience across web, desktop, mobile applications, and business system integrations.
START WITH YOUR NEEDS
Is there a workflow
you would like to improve?
Tell me about your application needs through the website, or explore my professional experience further.