
Alignerr
Freelance / Remote (Indonesia) CurrentAI Data Labeling & Code Expert
Sep 2025 - Present
01Worked on AI model improvement projects involving data labeling, prompt optimization, and automation of dataset workflows. Contributed to stronger model accuracy through high-quality data preparation and prompt testing.
- Reviewed and labeled AI-generated code outputs against task requirements.
- Evaluated code functionality, logic, completeness, and test-case behavior across programming tasks.
- Maintained labeling accuracy and consistency through careful analysis and project guideline adherence.
- Provided feedback on common error patterns in AI code generation.
- Identified ambiguous instructions, edge cases, and mislabeled examples to improve datasets.
- Helped refine prompt structures for better model understanding of programming tasks.

EBIT
Freelance / Remote (Indonesia) CurrentAI Trainer Developer
Feb 2026 - Present
02Contribute to training and evaluating large language models by solving programming tasks, reviewing AI-generated code, developing test cases, and designing benchmark tasks for agentic software engineering evaluation.
- Evaluated AI-generated code for correctness, efficiency, readability, and adherence to task requirements.
- Solved algorithmic and software engineering problems across multiple programming languages.
- Developed comprehensive test cases to validate functionality, edge cases, and code robustness.
- Provided clear technical explanations and human-readable rationales for evaluation decisions.
- Identified logical errors, performance issues, and opportunities to improve AI-generated solutions.
- Collaborated on annotation and evaluation workflows to enhance LLM coding performance and reliability.
- Designed reproducible benchmark tasks, validation pipelines, and scoring workflows for agentic AI software engineering evaluations.

G2i Inc.
Freelance / Remote (Indonesia) CurrentAI Data Labeling & Prompt Engineer
Sep 2026 - Present
03AI model improvement role focused on data labeling, prompt optimization, generated-code review, and dataset workflow quality.
- Reviewed and labeled AI-generated code outputs against task requirements.
- Evaluated logic, functionality, completeness, and test results across programming workflows.
- Maintained consistent labeling quality through guideline-driven review.
- Contributed prompt and dataset feedback to improve model accuracy.
- Identified edge cases and ambiguous instructions in AI coding tasks.

Outlier
Freelance / Remote (Indonesia) CompletedAI Coding Evaluator & RLHF Contributor
Mar 2026 - May 2026
04Contributed to LLM training and evaluation projects focused on coding, reasoning, RLHF-style review, response ranking, prompt refinement, and agentic AI validation.
- Evaluated and ranked AI-generated coding responses for correctness, logic, efficiency, and instruction following.
- Reviewed outputs across Python, JavaScript, PHP, Java, and Golang.
- Performed response validation, bug identification, and edge-case analysis to improve model reliability.
- Contributed to Claude AI training and OpenClaw evaluation workflows.
- Verified test cases and dataset consistency for model training quality.
- Worked on agentic AI and function-calling evaluation tasks with emphasis on workflow accuracy.

PT. Bank Negara Indonesia (Persero) Tbk.
Contract / BNI Tower, Central Jakarta CompletedSoftware Engineer & Data Engineer, Card Business Division
Sep 2022 - Nov 2025
05Developed, maintained, and refactored web applications for credit-card transaction analytics and portfolio management, supporting data-driven decisions across banking operations.
- Built full-stack application logic and APIs using PHP, Laravel, and JavaScript.
- Optimized MS SQL Server operations with PL/SQL stored procedures and SQL Server Agent jobs.
- Automated ETL workflows with Python and Go for large reporting datasets.
- Used Redis for caching and temporary data storage to improve application performance.
- Translated complex business requirements with data teams into scalable software solutions.

PT. Bank Negara Indonesia (Persero) Tbk.
Contract / BNI Tower, Central Jakarta CompletedSoftware Engineer, Application Development Division
Jan 2022 - Aug 2022
06Maintained and improved ICONS, a mission-critical centralized online banking system used by BNI branches in Indonesia, Tokyo, Singapore, and Hong Kong.
- Maintained and enhanced system modules for evolving business needs across multiple regions.
- Resolved critical bugs and performance issues to keep banking services stable.
- Collaborated with internal teams and international stakeholders on features, usability, and compliance.
- Conducted routine system updates and QA testing to reduce deployment disruption.
- Managed Oracle and PL/SQL database queries and data handling operations.

PT. Mitra Integrasi Informatika
Contract / APL Tower, West Jakarta CompletedSoftware Engineer
Sep 2021 - Nov 2025
07Collaborated with PT. Bank Negara Indonesia to design, develop, optimize, and integrate internal applications for business, marketing, and financial workflows.
- Developed and maintained backend and frontend services for data processing and reporting workflows.
- Implemented data-driven features that delivered marketing and financial analysis insights.
- Refactored and optimized legacy code for performance, scalability, and maintainability.
- Worked in cross-functional teams to deliver high-quality releases under tight timelines.

PT Angkasa Pura 1 (Persero)
Internship / El Tari Airport Kupang, NTT CompletedIT Support Technician
Jan 2021 - Apr 2021
08Supported server and network administration for airport infrastructure, then initiated a web application to digitize prohibited and lost item tracking.
- Monitored server health, network connectivity, and hardware performance across airport services.
- Diagnosed server, network, and configuration issues to reduce operational disruption.
- Maintained access control, firewall rules, and system security policies.
- Built real-time logging for confiscated and lost property incidents.
- Replaced paper-based records with a searchable digital database.
- Improved coordination between security, operations, and lost-and-found teams.

PT Compro Kotak Inovasi
Internship / Duta Merlin, Central Jakarta CompletedFull-stack Developer
Sep 2020 - Dec 2020
09Developed a web-based admin dashboard for an e-commerce platform, covering sales tracking, inventory management, customer analytics, reporting, and secure administration.
- Built RESTful APIs for real-time dashboard data including sales graphs, order statistics, and inventory levels.
- Implemented KPI visualization and analytics features in user-friendly tables and charts.
- Designed authentication and role-based access control for sensitive administrative features.
- Optimized SQL queries and cached frequent API responses to improve load times.
- Collaborated with UI/UX designers to deliver responsive web experiences.