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I am Arya Mentary, a senior software engineering leader with 20+ years of experience building production-grade systems across fintech, AI, blockchain, and infrastructure. I specialize in scalable backend systems (Golang, Kotlin, Python) and end-to-end platforms that are correct, observable, and scalable. As a builder and mentor, I focus on delivering robust solutions for real-world environments—from secure banking systems to AI-powered SaaS and Web3 architectures. I enjoy developing DevOps tooling and infrastructure automation that empower teams and ensure reliability.…I am Arya Mentary, a senior software engineering leader with 20+ years of experience building production-grade systems across fintech, AI, blockchain, and infrastructure. I specialize in scalable backend systems (Golang, Kotlin, Python) and end-to-end platforms that are correct, observable, and scalable. As a builder and mentor, I focus on delivering robust solutions for real-world environments—from secure banking systems to AI-powered SaaS and Web3 architectures. I enjoy developing DevOps tooling and infrastructure automation that empower teams and ensure reliability.

Arya Mentary

Front-End Developer, Back-End Developer, Full Stack Developer, +3

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I am Arya Mentary, a senior software engineering leader with 20+ years of experience building production-grade systems across fintech, AI, blockchain, and infrastructure. I specialize in scalable backend systems (Golang, Kotlin, Python) and end-to-end platforms that are correct, observable, and scalable. As a builder and mentor, I focus on delivering robust solutions for real-world environments—from secure banking systems to AI-powered SaaS and Web3 architectures. I enjoy developing DevOps tooling and infrastructure automation that empower teams and ensure reliability.…I am Arya Mentary, a senior software engineering leader with 20+ years of experience building production-grade systems across fintech, AI, blockchain, and infrastructure. I specialize in scalable backend systems (Golang, Kotlin, Python) and end-to-end platforms that are correct, observable, and scalable. As a builder and mentor, I focus on delivering robust solutions for real-world environments—from secure banking systems to AI-powered SaaS and Web3 architectures. I enjoy developing DevOps tooling and infrastructure automation that empower teams and ensure reliability.

Available to hire

I am Arya Mentary, a senior software engineering leader with 20+ years of experience building production-grade systems across fintech, AI, blockchain, and infrastructure. I specialize in scalable backend systems (Golang, Kotlin, Python) and end-to-end platforms that are correct, observable, and scalable.

As a builder and mentor, I focus on delivering robust solutions for real-world environments—from secure banking systems to AI-powered SaaS and Web3 architectures. I enjoy developing DevOps tooling and infrastructure automation that empower teams and ensure reliability.

Skills

Experience Level

Expert

Expert

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Expert

Expert

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Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Indonesian

Fluent

English

Advanced

Work Experience

Freelance Software Engineer

January 1, 2023 - Present

Freelance software engineer delivering backend and frontend solutions, including production systems for EDC banking devices, MTM projects, and mobile banking apps.

Head of Software Engineering Department at MTM (Jatidigi)

January 1, 2014 - January 1, 2023

Led the software engineering department; built and maintained systems for EDC-based banking (C/C++), UMB/USSD browser, PHP-based MTM Telkomsel/BPR projects, and mobile banking (Kotlin frontend, Golang backend); POS with Flutter frontend and Python backend.

Freelance Software Engineer

January 1, 2007 - January 1, 2014

Delivered freelance software development for Telkomsel CAM Division, BPR, and other clients; contributed to media/news tracking, iPad billing-related tasks, and various web-based internal tools.

Web Programmer and Developer, IT Division at Telkomsel

March 1, 2005 - January 31, 2006

Web-based systems development for Telkomsel IT division, including Telkomsel School Community and related internal applications.

Data Mining, Customers Database Administrator at CAM (Corporate Account Management), Telkomsel

March 1, 2004 - March 31, 2005

Data mining and customer database administration for CAM, generating daily reports.

Lecturer at STIE MH Thamrin

January 1, 2002 - December 31, 2004

Lectured courses in Management Information Systems, Networking under Windows and Linux, PHP Web-based programming, and server administration.

IT Support at Lippo Bank Tbk

January 1, 2006 - December 31, 2007

IT support; developed request-based networks and systems, including ATM and Credit Card machine handling.

Lecturer at STIE M.H Thamrin

January 1, 2002 - December 31, 2004

Lecturer teaching Management Information Systems and Networking; PHP/Web server related coursework.

Web Programmer and Developer at Telkomsel IT Division

January 1, 2004 - December 31, 2006

Built web-based systems for Telkomsel CAM, Billing (KiSEl iPad Billing), and School Community projects; data mining for CAM.

Web Programmer and Developer at Telkomsel

March 1, 2005 - January 31, 2006

Built web-based systems for Telkomsel School Community; data mining in CAM; iPad billing system KiSEl; various internal systems.

Data Mining/Customer DBA at Telkomsel

March 1, 2004 - March 31, 2005

Data mining and customer database administration in CAM (Corporate Account Management).

Head of Software Engineering at MTM (Jatidigi)

January 1, 2014 - January 1, 2023

Led engineering for EDC banking systems (C/C++), delivered mobile banking apps (Kotlin + Golang), built POS systems (Flutter + Python), and managed high-scale financial platforms. Emphasized correctness, observability, and scalability across multi-tier architectures.

Freelance Software Engineer at Independent / Freelance

January 1, 2007 - January 1, 2014

Designed and delivered billing systems, enterprise reporting, and data-tracking solutions for clients across telecom and financial domains, applying Golang, Python, and Java across back-end services.

Freelance Software Engineer & AI Architect at Independent / Freelance

January 1, 2023 - Present

Architected AI systems using RAG for semantic retrieval; built blockchain SaaS and trading-monitoring platforms; designed infra automation pipelines (Docker + GCP); maintained Java-based backend services for financial systems.