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I am a Backend Engineer with a strong track record in designing, developing, and optimizing backend systems for high-demand applications across industries including livestreaming, fintech, e-commerce, and smart city platforms. I am proficient in multiple programming languages and frameworks, have built scalable, real-time, and secure solutions, and I enjoy solving complex challenges, improving performance, and delivering impactful results.…I am a Backend Engineer with a strong track record in designing, developing, and optimizing backend systems for high-demand applications across industries including livestreaming, fintech, e-commerce, and smart city platforms. I am proficient in multiple programming languages and frameworks, have built scalable, real-time, and secure solutions, and I enjoy solving complex challenges, improving performance, and delivering impactful results.

Irfan Muhammad Guvian

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

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I am a Backend Engineer with a strong track record in designing, developing, and optimizing backend systems for high-demand applications across industries including livestreaming, fintech, e-commerce, and smart city platforms. I am proficient in multiple programming languages and frameworks, have built scalable, real-time, and secure solutions, and I enjoy solving complex challenges, improving performance, and delivering impactful results.…I am a Backend Engineer with a strong track record in designing, developing, and optimizing backend systems for high-demand applications across industries including livestreaming, fintech, e-commerce, and smart city platforms. I am proficient in multiple programming languages and frameworks, have built scalable, real-time, and secure solutions, and I enjoy solving complex challenges, improving performance, and delivering impactful results.

Available to hire

I am a Backend Engineer with a strong track record in designing, developing, and optimizing backend systems for high-demand applications across industries including livestreaming, fintech, e-commerce, and smart city platforms.

I am proficient in multiple programming languages and frameworks, have built scalable, real-time, and secure solutions, and I enjoy solving complex challenges, improving performance, and delivering impactful results.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Indonesian

Fluent

English

Advanced

Work Experience

Application Development Specialist at Sinar Mas Land

September 1, 2025 - Present

Standardized backend engineering practices across the division by designing a high-performance boilerplate using NestJS, Prisma, Biome, and TypeScript, ensuring code consistency and reducing project setup time. Led scalable Vendor Management System development with multi-service integrations and created comprehensive technical documentation for long-term maintainability. Built utility services, including a provider-agnostic SMTP engine and a resilient chunked-file uploader for Azure Blob Storage supporting 100MB+ transfers with zero failures. Reduced asset payloads by 80% by implementing an automated WebP compression pipeline, improving content delivery and standardizing communication patterns across cross-functional teams.

Back End Engineer at Momofin

September 1, 2024 - September 1, 2025

Architected a production-ready event-driven backend for Avento, automating pixel-level analysis with Machine Learning for document checks and scaling system throughput to 10+ concurrent verifications per second. Reduced cross-service debugging latency by 90% via a distributed request tracing and observability layer across 18 Node.js/TypeScript microservices. Led the technical R&D and core development of the platform, recognized as the Indonesia National Winner at the FutureTech World Cup 2025, translating complex document integrity checks with ML verification models into a scalable API consumed by 2 business partners.

Back End Lead Developer at DEALDULU

June 1, 2023 - September 1, 2024

Spearheaded the backend development of DEALDULU, Indonesia’s leading livestreaming auction platform, building scalable, real-time systems for auctions, live chat, donations, order processing, and a self-contained e-wallet, while ensuring seamless third-party integrations. Engineered a high-performance backend using Node.js, TypeScript, Socket.io, GraphQL, PostgreSQL, and AWS, handling 50,000+ transactions, supporting 15,000+ users, and 200+ merchants. Optimized core system performance by refactoring legacy code and tuning complex SQL queries. Serverless media pipeline using AWS Lambda to automatically convert uploads to WebP, reducing storage costs by 60% and improving load times while maintaining visual quality.

Back End Developer at Tribesocial

October 1, 2021 - August 1, 2023

Engineered core backend for Tribesocial, a scalable platform serving 20+ communities. Delivered real-time chat, a specialized automotive 'panic button', and an integrated e-learning marketplace. Architected infrastructure using Node.js, TypeScript, GraphQL, and Socket.io on GCP. Optimized system reliability to handle hundreds of concurrent sessions with minimal latency. Led a major infrastructure consolidation by merging 20+ isolated servers into a single optimized instance, reducing cloud infrastructure costs by 80% and improving API response times by 36% through extensive SQL refactoring.

Software Engineer Intern at Tokopedia

February 1, 2023 - June 1, 2023

Maintained and optimized Tokopedia BNPL features and internal fintech systems using Golang, MySQL, and RabbitMQ, ensuring seamless integration with Kredivo, Indodana, and GoPay Later. Integrated Pub/Sub messaging for real-time pay-later transaction updates, enhancing data accuracy, processing speed, and system reliability. Collaborated with cross-functional teams to troubleshoot and refine fintech APIs, ensuring seamless interactions between Tokopedia’s platform and third-party providers.

Back End Developer at OneSmile

February 1, 2022 - January 1, 2023

Developed and maintained the facility booking system for OneSmile, a smart city application serving 12 clusters, 90,000+ users, and 60+ clubs and facilities. Migrated backend services from PHP (Yii2) to Node.js, improving API performance, maintainability, and scalability. Optimized booking reliability by eliminating duplicate reservations and refining database queries, reducing booking conflicts and enhancing user experience.