Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Backend Developer with expertise in designing and maintaining scalable backend systems and service APIs, optimizing legacy systems, and implementing best practices in API security, performance, and reliability. Skilled in Node.js ecosystem, Lumen, Redis, database optimization, and backend infrastructure including Redis, Docker, and CI/CD pipelines. Experienced in monitoring high-traffic APIs, optimizing performance, and collaborating with cross-functional teams to deliver reliable distributed services.…Backend Developer with expertise in designing and maintaining scalable backend systems and service APIs, optimizing legacy systems, and implementing best practices in API security, performance, and reliability. Skilled in Node.js ecosystem, Lumen, Redis, database optimization, and backend infrastructure including Redis, Docker, and CI/CD pipelines. Experienced in monitoring high-traffic APIs, optimizing performance, and collaborating with cross-functional teams to deliver reliable distributed services.

Carissa Farry Hilmi Az Zahra

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





Backend Developer with expertise in designing and maintaining scalable backend systems and service APIs, optimizing legacy systems, and implementing best practices in API security, performance, and reliability. Skilled in Node.js ecosystem, Lumen, Redis, database optimization, and backend infrastructure including Redis, Docker, and CI/CD pipelines. Experienced in monitoring high-traffic APIs, optimizing performance, and collaborating with cross-functional teams to deliver reliable distributed services.…Backend Developer with expertise in designing and maintaining scalable backend systems and service APIs, optimizing legacy systems, and implementing best practices in API security, performance, and reliability. Skilled in Node.js ecosystem, Lumen, Redis, database optimization, and backend infrastructure including Redis, Docker, and CI/CD pipelines. Experienced in monitoring high-traffic APIs, optimizing performance, and collaborating with cross-functional teams to deliver reliable distributed services.

Available to hire

Backend Developer with expertise in designing and maintaining scalable backend systems and service APIs, optimizing legacy systems, and implementing best practices in API security, performance, and reliability. Skilled in Node.js ecosystem, Lumen, Redis, database optimization, and backend infrastructure including Redis, Docker, and CI/CD pipelines. Experienced in monitoring high-traffic APIs, optimizing performance, and collaborating with cross-functional teams to deliver reliable distributed services.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Intermediate

Indonesian

Fluent

Work Experience

Associate Application Developer at PT Bank Rakyat Indonesia Tbk

February 1, 2024 - February 1, 2026

Designed, developed, and maintained RESTful APIs for BRI gunaproducts (up to 13k requests per API per day) with high availability using Lumen. Performed live API traffic monitoring with Grafana, identified anomalies, and implemented long-term fixes. Integrated internal and third-party APIs to support digital loan disbursement workflows. Implemented rate limiting and structured logging to harden API security and performance, reducing incident tickets by 10%. Optimized the monitoring API by aggregating data from multiple microservices to maintain sub-10s response times. Optimized database queries and indexing, reducing average query time by 10–20%. Improved backend maintainability and reliability by resolving code smells and reducing technical debt, ensuring SonarQube quality standards. Hardened API access control in collaboration with QA and security teams. Daily development and deployment workflows using Docker, MySQL, Redis, Jira, and Bitbucket.

iOS Developer, Product & Project Manager at Apple Developer Academy @ UC

March 1, 2023 - December 1, 2023

Trained over 100 videos to achieve a 98% accuracy rate in movement classification for body motion detection using Core ML. Retrieved daily user health data via HealthKit. Extracted gyroscope data from Apple Watch using Core Motion and enabled seamless data transfer between iOS, Watch Connectivity, and HealthKit. Achieved 80% accuracy applying gyroscope data as physics effects within SceneKit. Integrated automatic object placement and interactive gestures using ARKit. Conducted user feedback and usability testing with teachers, parents, children, and schools, resulting in an 80% improvement in engagement.

Backend Engineer (Part Time) at PT. Terobosan Anak Bangsa

September 1, 2022 - December 1, 2023

Expanded user base to 1,800 members by developing the backend of the web platform using Node.js, Vue.js, React.js, TypeScript, Pinia, and Appwrite. Implemented live transcription using Web Speech API and Deepgram, supporting multiple languages. Designed real-time transcription room features using WebSockets (Socket.IO) for concurrent collaboration in a scalable service architecture. Built a Zoom client marketplace app leveraging WebRTC and Socket.IO for live cross-platform synchronization. Integrated Midtrans payment gateway for secure online transactions and webhook handling.

Backend Developer (Freelance) at UPN Veterans East Java

August 1, 2021 - October 1, 2021

Implemented dynamic shuffled questions in a computer-based exam application using Laravel. Established bidirectional request flow for 150 participants via asynchronous system on VPS. Deployed in Dockerized CI/CD workflow.

Web Developer Intern at Diskominfo Jawa Timur

July 1, 2021 - September 1, 2021

Implemented Spatie Role-Based Access Control (RBAC) in a Host Management Web Application using Laravel and MySQL.