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Hi, I’m Jeffri Ardian, a software engineer and technical leader with over 10 years of experience spanning backend, frontend, and full-stack development. I specialize in building scalable microservices and event-driven architectures for high-concurrency systems on Google Cloud Platform, with a strong focus on performance optimization, concurrency handling, and reliability. I enjoy translating business objectives into reliable, maintainable, and cost-efficient technology solutions, and I thrive in Agile environments where cross-functional collaboration drives results. In addition to delivering robust software, I mentor teammates, drive SDLC improvements, and advocate for practical, observable engineering practices that improve product quality and team velocity.…Hi, I’m Jeffri Ardian, a software engineer and technical leader with over 10 years of experience spanning backend, frontend, and full-stack development. I specialize in building scalable microservices and event-driven architectures for high-concurrency systems on Google Cloud Platform, with a strong focus on performance optimization, concurrency handling, and reliability. I enjoy translating business objectives into reliable, maintainable, and cost-efficient technology solutions, and I thrive in Agile environments where cross-functional collaboration drives results. In addition to delivering robust software, I mentor teammates, drive SDLC improvements, and advocate for practical, observable engineering practices that improve product quality and team velocity.

JEFFRI ARDIAN

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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Hi, I’m Jeffri Ardian, a software engineer and technical leader with over 10 years of experience spanning backend, frontend, and full-stack development. I specialize in building scalable microservices and event-driven architectures for high-concurrency systems on Google Cloud Platform, with a strong focus on performance optimization, concurrency handling, and reliability. I enjoy translating business objectives into reliable, maintainable, and cost-efficient technology solutions, and I thrive in Agile environments where cross-functional collaboration drives results. In addition to delivering robust software, I mentor teammates, drive SDLC improvements, and advocate for practical, observable engineering practices that improve product quality and team velocity.…Hi, I’m Jeffri Ardian, a software engineer and technical leader with over 10 years of experience spanning backend, frontend, and full-stack development. I specialize in building scalable microservices and event-driven architectures for high-concurrency systems on Google Cloud Platform, with a strong focus on performance optimization, concurrency handling, and reliability. I enjoy translating business objectives into reliable, maintainable, and cost-efficient technology solutions, and I thrive in Agile environments where cross-functional collaboration drives results. In addition to delivering robust software, I mentor teammates, drive SDLC improvements, and advocate for practical, observable engineering practices that improve product quality and team velocity.

Available to hire

Hi, I’m Jeffri Ardian, a software engineer and technical leader with over 10 years of experience spanning backend, frontend, and full-stack development. I specialize in building scalable microservices and event-driven architectures for high-concurrency systems on Google Cloud Platform, with a strong focus on performance optimization, concurrency handling, and reliability. I enjoy translating business objectives into reliable, maintainable, and cost-efficient technology solutions, and I thrive in Agile environments where cross-functional collaboration drives results.

In addition to delivering robust software, I mentor teammates, drive SDLC improvements, and advocate for practical, observable engineering practices that improve product quality and team velocity.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Indonesian

Fluent

Work Experience

Technology Development Specialist at PT FAXTOR INDONESIA

November 1, 2025 - November 1, 2025

Led a team of backend and frontend developers to design and deliver a scalable, event-driven online psychotest platform supporting up to 5,000 concurrent participants during daily 8-hour exam sessions, maintaining continuous uptime with zero downtime incidents. Architected and deployed the system on Google Cloud Platform using autoscaling clusters, optimizing cost efficiency while ensuring high availability. Enhanced system stability and eliminated timeout and internal server errors under peak load through optimized concurrency and asynchronous processing. Implemented batch processing in Golang that increased Excel export capacity from 50 to 500 candidates and PDF exports from 10 to 250, reducing report generation time by over 80%. Performed load testing with JMeter.

Backend Developer at PT BIOFARMA (PERSERO)

June 1, 2025 - June 1, 2025

Led a backend team to design and implement microservices for TracEase Pertamina (LPG Delivery Tracking System) and EM-Physical (Environmental Monitoring System). Developed end-to-end tracking of LPG cylinders, including serial number scanning and misallocation detection, improving transparency for subsidized distribution. Built EM-Physical with real-time alerts for anomalies and implemented batch processing, concurrency handling, and asynchronous processing to ensure zero downtime. Set up and ran JMeter load tests with autoscaling tuned by DevOps to meet backend design specs.

Systems Analyst at DISKOMINFO CIMAHI

February 1, 2024 - February 1, 2024

Led a team to design and implement the Poverty Information System, overseeing architecture design, API flow, code reviews, and SD Documents to ensure technical quality. Built backend services using Laravel Lumen, integrated with Nuxt.js frontend, and ensured real-time data processing for dashboards used by Social Service Office and Mayor’s office for policy decisions. Delivered a fully functional dashboard enabling precise allocation of government assistance.

Software Developer at PT WESCLIC NEOTECH INDONESIA

October 1, 2023 - October 1, 2023

Single developer responsible for building the Halal Food Tracer System from scratch, translating Figma designs into backend and frontend features, ensuring system reliability and correctness. Built an online system allowing the public to verify MUI halal certification status, improving transparency and accessibility of certification information.

Software Engineer at PT BANK NEGARA INDONESIA (PERSERO), Tbk

July 1, 2023 - July 1, 2023

Developed and deployed a microservices-based Integrated Biometric System (IBS) using Ocelot API Gateway for authentication across internal BNI systems. Implemented e-KTP, fingerprint, and face recognition, integrating with Disdukcapil API for real-time identity verification. Built all backend modules with concurrency and asynchronous processing; collaborated with QA for unit tests and JMeter load tests to validate performance for over 10,000 concurrent requests with sub-second response times. Configured monitoring/logging with Elasticsearch, Logstash, and Kibana and set autoscaling policies to maintain uptime above 99.9%.

Senior Full Stack Developer at PT SURYA JAGAT MANDIRI (BOOKANDLINK)

April 1, 2023 - April 1, 2023

Refactored legacy CodeIgniter monolith to Golang (backend) and Next.js (frontend) microservices, achieving 60% faster response times and improved scalability for peak-season bookings. Implemented transactional and locking mechanisms to prevent double-bookings across OTAs, developed Channel Manager and Booking Engine for real-time inventory and pricing synchronization, and enhanced monitoring and alerting to reduce incident response time.

Senior Full Stack Developer at PT AGATE INTERNATIONAL

October 1, 2022 - October 1, 2022

Led backend development and technical coordination for three Web3 gaming projects: NFT Fantasy, Arcade Starcade, and Mythic Protocol. Delivered end-to-end backend solutions and architecture ready for production, coordinating with frontend Unity-based UI/UX teams. Created Software Design Documents detailing architecture, data flows, and development timelines; used Docker, Postman, Swagger, and GitLab CI/CD for streamlined development and deployment.

System Analyst at PT GUNUNG RAJA PAKSI, Tbk

February 1, 2022 - February 1, 2022

Led multiple internal/external software projects, designed software design documents, implemented Robotic Process Automation (RPA) for data scraping, price monitoring, translation with TTS, and cross-ERP/CRM integration. Developed automated notification pipelines and Power BI reports to provide real-time insights.

ERP Specialist at PT LYG GARMENT INDONESIA

September 1, 2021 - September 1, 2021

Managed and maintained Sage X3 ERP across FICO, MM, and Production modules; led software and infrastructure team; performed data validation and bug fixes to ensure data accuracy. Developed BI reports and dashboards with Power BI to support management decisions.

Senior Full Stack Developer at PT SARANA MAKIN MULYA

December 1, 2020 - December 1, 2020

Led a team of three to develop an HRIS and Payroll system for ~1,000 employees, automating payroll with one-click processing, integrating attendance via fingerprint SDK, reimbursements, travel approvals, and tax calculations. Delivered a production-ready system with reliable, scalable payroll and HR workflows.

Senior Full Stack Developer at PT OKI PULP AND PAPER (SINARMAS GROUP)

December 1, 2019 - December 1, 2019

Developed and fixed a Time Attendance system integration with SAP HQ Serpong; built Weight Online system for real-time logistics tracking; created Mill Logistic system with warehouse, inventory, and courier integration; mentored juniors and ensured timely delivery.

Senior Full Stack Developer at PT PANASIA INDO RESOURCES, Tbk

May 1, 2019 - May 1, 2019

Led a team to design and implement an integrated internal ERP for a garment unit, automating end-to-end workflows across HRIS, Payroll, POS, Production Tracking, and Mill Logistics. Automated payroll processing and improved data accuracy across modules.

Software Developer at PT AGUNG PODOMORO LAND, Tbk

September 1, 2016 - September 1, 2016

Developed full-stack leasing mall system, AR/AP, and accounting for multiple properties; integrated bank accounts and virtual payments. Leveraged legacy Visual FoxPro for business logic and Crystal Reports for automated reporting, delivering centralized platform with improved financial transparency.

Software Developer at PT KARTIKA SINAR MULIA

May 1, 2015 - May 1, 2015

Developed desktop HRIS and Payroll system, handling full analysis, coding, testing, deployment, and IT infrastructure management to ensure stable payroll processing.

Backend Developer at PT BIOFARMA (PERSERO)

March 1, 2024 - June 1, 2025

Led a backend team of three to design and implement microservices for TracEase Pertamina (LPG Delivery Tracking) and EM-Physical (Environmental Monitoring System), defining API flows, reviewing code, and ensuring smooth integration with frontend and mobile teams. Built end-to-end tracking including serial number scanning, status updates, and misallocation detection to improve transparency for subsidized LPG distribution. Implemented batch processing, concurrency handling, and asynchronous processing to ensure zero downtime under high-load conditions, and set up monitoring and alerting pipelines on GCP.

Systems Analyst at DISKOMINFO CIMAHI

November 1, 2023 - February 1, 2024

Led a team of three developers to design and implement the Poverty Information System, overseeing architecture design, API flow definition, code review, and creation of Software Design Documents to ensure quality. Designed backend services using Laravel Lumen, integrated with Nuxt.js frontend, and ensured real-time data processing and accurate information flow to dashboards used by the Social Service Office and Mayor’s office for policy decisions. Built unit tests and validated performance under real-life usage scenarios to guarantee reliability and zero downtime.

Software Engineer at PT BANK NEGARA INDONESIA (PERSERO)

May 1, 2023 - July 1, 2023

Developed and deployed a microservices-based Integrated Biometric System (IBS) using Ocelot API Gateway for authentication across internal BN I systems, enabling secure and scalable authentication. Implemented end-to-end authentication using e-KTP, fingerprint, and face recognition, integrating with Disdukcapil API for real-time identity verification. Built backend modules with concurrency, asynchronous processing, and robust inter-service communication using REST and gRPC; collaborated with QA on unit and load tests for over 10,000 concurrent authentication requests with sub-second responses. Implemented ELK-based monitoring and auto-scaling policies to maintain uptime above 99.9%.

Senior Full Stack Developer at PT SURYA JAGAT MANDIRI (BOOKANDLINK)

December 1, 2022 - April 1, 2023

Refactored legacy CodeIgniter monolith to Golang (backend) and Next.js (frontend) microservices, achieving ~60% faster response times and improved scalability for peak-season bookings. Resolved concurrency issues with transactional locking across OTA channels; built Channel Manager and Booking Engine to synchronize real-time inventory and pricing with major OTAs. Optimized caching and database queries, built real-time APIs for hotels, rooms, pricing, and availability, and established monitoring/alerting pipelines to reduce incident response time.

System Analyst at PT GUNUNG RAJA PAKSI

October 1, 2021 - February 1, 2022

Led multiple internal and external software projects for Purchasing, Warehouse, and other departments. Designed Software Design Documents (flowcharts, UI/UX, database design, system architecture, timelines) to guide development. Implemented Robotic Process Automation (RPA) for data scraping, automated price monitoring, document translation with text-to-speech, and ERP/CRM integration; built automated notification pipelines and Power BI reports to provide management insights.

ERP Specialist at PT LY G GARMENT INDONESIA

December 1, 2020 - September 1, 2021

Managed and maintained Sage X3 ERP across Accounting/Finance, Warehouse, and Production modules, ensuring smooth operation and data integrity. Led ERP software and infrastructure team, performed data validation and bug fixes, and developed BI reports and dashboards in Power BI to support management decisions.

Senior Full Stack Developer at PT PANASIA INDO RESOURCES, Tbk

September 1, 2016 - May 1, 2019

Led a team of five to design and implement an internal ERP system covering HRIS, Payroll, POS, Production Tracking, and Mill Logistics for 3,000+ employees. Automated payroll and integrated attendance, reducing manual effort and increasing accuracy; built dashboards and real-time data flows for management.

Software Developer at PT AGUNG PODOMORO LAND, Tbk

May 1, 2015 - September 1, 2016

Developed full-stack leasing mall system, including AR/AP and accounting for multiple properties. Integrated bank accounts and virtual payment workflows; leveraged Visual FoxPro for legacy logic and Crystal Reports for automated reporting, delivering a centralized platform with improved financial transparency.

Software Developer at PT KARTIKA SINAR MULIA

March 1, 2014 - May 1, 2015

Developed desktop-based HRIS and Payroll systems, handling full analysis, coding, testing, and deployment; managed IT infrastructure to ensure stable operations and reliable payroll processing.