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Achmad Y. — Senior Full Stack Software Engineer from Indonesia

Achmad Y.

Senior Full Stack Software Engineer

Indonesia 3-6 years
Open to offersNew to Platform
Languages
English
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About

Achmad Y. is a Senior Full Stack Software Engineer and AI Engineer with over 12 years of experience specializing in banking, fintech, and transaction-heavy systems. He has led the design and modernization of enterprise-grade web and mobile applications for international clients, including projects in ecommerce, mining, and financial sectors. At Mitrais, PT, Achmad Y. delivered robust mobile and backend platforms, migrated legacy Cobol systems to Java-based microservices, and upgraded backend services using Micronaut. His career features the development of secure middleware and scalable RESTful APIs for banks and fintech, alongside expertise in Spring Boot and Android development. Achmad Y. holds AWS certifications and brings proven experience integrating payment systems, refining business processes, and collaborating in Agile global environments.

Experience

  • Senior Software Engineer

    Mitrais, PT · 2019 — Present
    Designed, developed, and maintained mobile applications and APIs for an eCommerce platform serving a Japanese client. Enhanced and maintained enterprise-scale systems for mining and booking platforms catering to international clients. Led the migration of critical legacy systems from Cobol to Java-based microservices while modernizing backend services by upgrading from Java 8 to Java 17 using the Micronaut Framework. Developed and maintained RESTful APIs, payment integrations, and transaction workflows for an Australian client, collaborating with global stakeholders across engineering, QA, and product teams to improve system reliability, performance, and maintainability in high-traffic environments.

  • Software Development Engineer

    Bayu Sinergi Solusi, PT · 2017 — 2019
    Constructed scalable backend services and APIs utilizing Spring Boot and Hibernate specifically for financial institutions. Designed the system architecture, data models, and business processes. Implemented Agile Scrum practices, including sprint planning and backlog management, to deliver secure and compliant banking middleware solutions.

  • Software Development Engineer

    Cakra Syntesis Indonesia, PT · 2014 — 2016
    Provided end-to-end mobile and backend solutions tailored for banking and payment systems. Converted business requirements into technical specifications and system designs, while also supporting production releases and post-deployment maintenance.

  • Java & Android Engineer

    Aryajaya Formasi, PT · 2011 — 2014
    Created Android applications alongside backend services for mobile banking platforms. Conducted system analysis and technical design for large-scale financial applications, including the development of ISO-8583 middleware apps used in mobile banking applications.