Available to hire
Hi, I’m Alfian Rahman, a highly accomplished Backend & Machine Learning Engineer with 9 years of experience in building scalable enterprise applications and high-performance systems. My expertise spans from Python, Java, and C++ to cloud platforms like AWS and containerization with Docker and Kubernetes. I’m passionate about integrating cutting-edge AI solutions to optimize system efficiency and drive real-time operational improvements.
I enjoy collaborating across teams to develop robust backend services and advanced DevOps practices, ensuring stable and efficient system performance. My background in Mathematics and Computer Science helps me bring in-depth analytical skills to every project I work on, making sure that the solutions we build are not only innovative but also highly reliable.
Skills
Experience Level
Language
Indonesian
Fluent
English
Fluent
Work Experience
Machine Learning Engineer at Innovez One
May 31, 2025 - July 23, 2025Led development of Python-based RESTful APIs for machine learning models, deployed applications on AWS ECS and integrated with existing backend systems. Implemented real-time prediction models for tug and pilot scheduling using asynchronous processing and REST APIs. Managed cloud deployments with AWS Fargate, Docker, and Jenkins to optimize resource usage by up to 25%. Evaluated and integrated tools like FastAPI and MLflow to streamline ML model integration in development environments.
Operational Support at Innovez One
May 31, 2025 - July 23, 2025Monitored and maintained health of scheduling engine ensuring 90% uptime using AWS Cloudwatch and file-based logging. Developed and maintained Python scripts to optimize C++-based scheduling engines, increasing system efficiency. Managed Linux-based automation reducing manual intervention by 40%.
Senior Java Engineer at Innovez One
May 31, 2025 - July 23, 2025Developed and enhanced features for MarineM web application ensuring smooth multi-tenant integration and 99% uptime. Wrote clean, scalable code and collaborated with local and international teams. Scaled operational engine for new tenants, automated backend deployments via Jenkins CI/CD pipelines. Integrated ML prediction results into backend services improving inference efficiency by 30% through asynchronous processing and robust data pipelines.
Node Js Developer at Swamedia Informatika
April 30, 2023 - July 23, 2025Maintained and enhanced legacy backend code using Node.js, improving system stability by 40% and ensuring compatibility with existing systems. Optimized database queries and API performance reducing response times by 20%. Integrated OpenAI APIs to enable AI-powered features and helped refine initial ML models. Contributed to migration from Node.js to Go microservices by restructuring APIs and adapting service behavior for performance and scalability improvements.
Python Developer at Swamedia Informatika
November 30, 2022 - July 23, 2025Developed backend services with Python focusing on API communication, integration, and documentation. Led backend team of 8 developers improving system reliability by 30%. Implemented automation scripts, managed containerized microservices, and optimized workflows using GitLab CI resulting in 40% reduction in manual intervention. Participated actively in Agile development ceremonies improving project delivery for Telkom Corporate University.
Java Developer at Swamedia Informatika
September 30, 2021 - July 23, 2025Contributed across all phases of software development lifecycle maintaining Java-based backend services with Spring Boot. Designed microservice architecture, adjusted load balancer, and API gateway configuration ensuring 80% system reliability. Acted as DevOps engineer managing CI/CD pipelines and monitoring Docker containers on Linux servers maintaining uptime over 90%. Provided 24/7 operational support resolving issues and optimizing system availability exceeding 95%.
Java Developer at Niaga Karya Paramitra
January 31, 2017 - July 23, 2025Developed and maintained payment web applications using Java EE, EJB, and PrimeFaces. Managed MySQL database and fixed critical bugs for BPJS TK payment system. Created reporting modules using JasperReports and integrated kiosk Java SE applications with external APIs. Contributed to desktop application modules for document printing related to vehicle registration.
Java Developer at Niaga Prima Paramitra
February 28, 2016 - July 23, 2025Developed payment web applications using Java EE, EJB, and PrimeFaces with MySQL databases. Developed Java SE applications for kiosks and integrated with external systems using APIs. Designed databases for local data storage and contributed to desktop application modules for stamping and certificates.
Machine Learning Engineer at Innovez One
May 31, 2025 - July 23, 2025Led development of Python-based RESTful APIs for raw ML models from Data Scientists, deployed them to AWS ECS, and integrated with the existing backend system, ensuring model accuracy is maintained after deployment and re-training. Implemented real-time models for tug and pilot scheduling with asynchronous processing and REST API integration to improve data flow efficiency. Managed cloud deployment using AWS Fargate and monitored via Cloudwatch, leveraging Docker and Jenkins to optimize resource usage by up to 25%. Evaluated and integrated tools like FastAPI and MLflow to streamline ML model integration in development environments.
Operational Support at Innovez One
May 31, 2025 - July 23, 2025Monitored and maintained the health of a critical scheduling engine, coordinated with developers to resolve asynchronous processing errors using AWS Cloudwatch and file-based logging to ensure 90% uptime. Developed and maintained Python scripts to optimize a C++-based scheduling engine to increase overall system efficiency. Managed Linux-based automation and operational status updates to reduce manual intervention by 40%.
Senior Java Engineer at Innovez One
May 31, 2025 - July 23, 2025Developed new features and enhanced existing ones for the MarineM web application, ensuring smooth integration into a multi-tenant environment and maintaining 99% uptime. Wrote clean, scalable code in collaboration with local and international teams. Scaled operational engine to support new tenants, configured backend service deployments via Jenkins, and automated CI/CD pipelines to maintain system stability. Integrated machine learning predictions into core backend services, enabling real-time operational decisions and improving model inference efficiency by up to 30% through asynchronous processing and a robust data pipeline.
Node Js Developer at Swamedia Informatika
April 30, 2023 - July 23, 2025Maintained and enhanced legacy backend code using Node.js, improving system stability by 40% while ensuring compatibility with existing systems. Optimized database queries and API performance, reducing response times by up to 20% and increasing scalability. Successfully integrated OpenAI APIs to augment backend services with new AI-powered features and contributed to the gradual migration of backend components from Node.js to Go microservices by restructuring APIs and adapting service behaviors.
Python Developer at Swamedia Informatika
November 30, 2022 - July 23, 2025Developed backend services using Python, ensuring efficient API communication, system integration, and API documentation. Led backend development for a team of 8 developers, focusing on system architecture and feature implementation that enhanced system reliability by 30%. Implemented automation scripts, managed containerized microservices, and optimized workflows using GitLab CI to reduce manual intervention by 40%. Participated actively in Agile development processes including sprint planning, stand-ups, and retrospectives to improve project delivery.
Java Developer at Swamedia Informatika
September 30, 2021 - July 23, 2025Contributed to all phases of software development lifecycle, maintaining Java-based backend services with Spring Boot and ensuring 80% system reliability. Played a key role in designing microservice architecture including load balancer and API gateway configuration adjustments. Acted as DevOps engineer for projects such as Cargo Management System for Trigana Air and Citilink Air, managing CI/CD pipelines, monitoring cloud VPS with Docker on Linux servers, maintaining system uptime over 90%. Provided critical 24/7 operational support including database and service maintenance, optimizing performance to achieve system availability above 95%.
Java Developer at Niaga Karya Paramitra
January 31, 2017 - July 23, 2025Developed new features and maintained 'SiTampan' payment web application using Java EE, EJB, MySQL, and PrimeFaces framework. Handled critical bug fixes for BPJS TK payment and operated within application server Glassfish. Developed reporting modules with JasperReports to support operational systems.
Java Developer at Niaga Prima Paramitra
February 28, 2016 - July 23, 2025Developed payment web applications using Java EE, EJB, MySQL database, and PrimeFaces web framework. Developed Java SE applications for kiosks integrating with external systems via APIs. Designed and implemented MySQL databases for local data, and contributed to desktop applications for printing vehicle registration certificate data.
Education
Bachelor's degree at University Islamic State of Sunan Gunung Djati Bandung
September 1, 2009 - March 31, 2014Bachelor's degree at University Islamic State of Sunan Gunung Djati Bandung
September 1, 2009 - March 31, 2014Qualifications
Industry Experience
Software & Internet, Transportation & Logistics, Telecommunications, Professional Services, Education
Skills
Experience Level
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