Hi, I’m Aldo Abellto
Senior Software Engineer.

Backend & Microservices TradeCafe

Role: Senior Backend Engineer | Scale: 30K+ Daily Trades | 1M+ Annual Transactions

Overview: TradeCafe is a high-scale commodity trading platform supporting the full supplier-to-deal lifecycle. The platform enables competitive bidding where buyers place bids on supplier offers, and suppliers evaluate and select optimal bids.

Technical Leadership:

• Partnered with CTO and stakeholders to shape trading workflows and translate complex business rules into scalable solutions
• Led engineering team providing architectural direction, design reviews, and ensuring high-quality delivery
• Owned technical strategy for four core domains: Supplier Offers, Matched Offers, My Bids, and Deals

Architecture & Engineering:

• Designed resilient microservices architecture handling 30,000+ daily transactions
• Implemented event-driven communication with Kafka for service decoupling and data consistency
• Built high-performance search with Elasticsearch over millions of records
• Created product analytics layer with API-driven dashboards for real-time monitoring
• Established service-owned databases and async messaging for independent scaling

Innovation:

• Integrated AI-assisted workflows (ChatGPT, Claude) for architectural reviews and automated PR reviews
• Implemented observability-first practices with Kibana for centralized logging and monitoring
• Created internal service SDKs standardizing API usage across teams

Impact: Enabled scalable bidding marketplace with consistent performance, reduced feature delivery risk, improved team throughput and system stability

Tech Stack: Node.js, TypeScript, Golang, Microservices, Kafka, Elasticsearch, Kibana, REST APIs, AI-Assisted Development

Cloud FinOps Platform OpsBlox

Role: Senior Backend Engineer | Duration: Sep 2025 - Present

Overview: OpsBlox is an AI-powered Azure Cloud FinOps platform designed to help enterprises optimize their cloud spending through intelligent cost analysis and automated recommendations.

Key Contributions:

• Led end-to-end platform development from MVP to production, collaborating directly with founders on product strategy
• Architected high-performance microservices using Golang, gRPC, and Protocol Buffers for efficient inter-service communication
• Built comprehensive Azure integration layer connecting billing APIs, monitoring data, and cloud policy management
• Established robust CI/CD pipelines with Azure DevOps, achieving reliable automated deployments
• Implemented containerized infrastructure using Docker and Kubernetes for horizontal scalability

Tech Stack: Golang, gRPC, Protocol Buffers, React.js, Material UI, MongoDB, Docker, Kubernetes, Azure, Azure DevOps, GenAI Integration

IT Management & Integration Kindredpest

Role: IT Manager (Freelance) | Duration: Dec 2021 - Jun 2024

Overview: Led comprehensive IT management and third-party software integration initiatives to optimize business processes, connecting platforms like Airtable, Zapier, Google Scripts, RingCentral, Pestroutes, and background check APIs.

Key Achievements:

• 90% faster deployments - Set up and optimized CI/CD pipelines using GitHub for Google Cloud Run, VMs, and Docker
• 90% reduction in manual work - Automated payroll processes with custom MySQL payroll system
• 80% productivity boost - Enhanced efficiency through software integrations (Airtable, Pestroutes, GCP)
• 75% fewer database issues - Improved data retrieval by optimizing complex MySQL queries

Technical Contributions:

• Developed scalable applications with Node.js, MongoDB, and Docker
• Managed and optimized MySQL databases ensuring availability and data accuracy
• Worked closely with project owners to align business needs with technical solutions
• Led team to deliver projects on time, boosting collaboration and efficiency

Tech Stack: Node.js, Golang, GCP (Cloud Run, GKE, App Engine, PubSub, Cloud Storage), MongoDB, MySQL, GitHub CI/CD, Airtable, Zapier, RingCentral, Pestroutes, GraphQL API, Grafana

Microservices & API MyIndiHome X

Role: Senior Backend Engineer | Client: Telkom Indonesia | Duration: Jun 2022 - Sep 2025

Overview: MyIndiHome X is Telkom Indonesia's flagship super app serving millions of customers with internet, television, and telecommunication services. The platform handles high-volume transactions and integrates with multiple external systems.

Key Contributions:

• Spearheaded the SMOOA Add-on product development, integrating with Telkom core systems and Telkomsel services
• Designed and implemented scalable microservices architecture using CQRS pattern and SOLID principles
• Built high-throughput APIs handling traffic spikes during voucher and reward campaigns
• Developed Gamification and Rewards & Loyalty modules increasing user engagement
• Implemented event-driven architecture with Kafka for reliable inter-service communication

Impact: Platform serves 10M+ users with 10,000+ daily active users on SMOOA features

Tech Stack: Node.js, TypeScript, Golang, Kafka, Redis, Elasticsearch, MongoDB, MariaDB, Docker, AWS (EC2, EKS, Lambda, DynamoDB)

Full-Stack Dashboard Bright PLN Batam

Role: Team Lead | Client: PLN Batam | Duration: Jul 2018 - Dec 2018

Overview: Bright Integrated System is an enterprise-grade real-time dashboard for monitoring and managing power generation operations at Bright PLN Batam, Indonesia's state electricity company.

Key Contributions:

• Led a development team to build the complete system from requirements gathering to deployment
• Architected real-time data pipeline with 30-minute update intervals for operational metrics
• Implemented dynamic role-based access control (RBAC) for secure multi-level user access
• Designed multi-database architecture integrating MySQL, PostgreSQL, and MongoDB
• Built configurable dashboard widgets for income, expenses, and fuel consumption tracking

Tech Stack: Node.js (Restify), React.js, MySQL, PostgreSQL, MongoDB, Docker, RESTful API

Backend & ML Huni.id

Role: Backend Engineer | Type: PropTech Platform

Overview: Huni.id is a comprehensive real estate platform for buying and renting properties in Indonesia, featuring geolocation-based search and AI-powered property recommendations.

Key Contributions:

• Designed and built scalable REST APIs serving web and mobile applications
• Implemented geospatial search using MongoDB with region and map-based filtering
• Developed ML-based property recommendation engine using Python
• Set up automated CI/CD pipelines for Google Cloud deployment
• Optimized large-scale data handling through query optimization, database indexing, Redis caching, and Nginx gzip compression

Tech Stack: Node.js, MongoDB, Redis, Google Cloud Functions, Python (ML), Azure CI/CD, Nginx

Full-Stack & API Job Migas

Role: Full-Stack Developer | Industry: Oil & Gas Recruitment

Overview: Job Migas is a specialized job portal connecting professionals with opportunities in the oil and gas industry, providing CV management, job applications, and recruitment tools.

System Architecture:

• RESTful API server built with Laravel handling business logic and data management
• Admin dashboard using AngularJS for job posting and applicant management
• Public-facing job portal using AngularJS for job seekers

Key Contributions:

• Developed user resume/CV module in the admin panel
• Built job application tracking and listing features
• Resolved critical bugs and improved system stability

Tech Stack: Laravel, AngularJS, MongoDB, Amazon S3, RESTful API

Backend & Mobile API Alamak Clean

Role: Backend Developer | Type: On-Demand Services Startup

Overview: Alamak Clean is an on-demand cleaning services platform connecting customers with professional cleaners for homes, vehicles, air conditioners, and more - similar to GoClean by Gojek.

Key Contributions:

• Designed and developed REST APIs powering both web and mobile applications
• Implemented booking system with real-time availability and scheduling
• Built service catalog management for diverse cleaning service types
• Deployed and maintained services on Amazon EC2 with S3 for asset storage

Tech Stack: Node.js, React.js, Meteor.js, MongoDB, Amazon EC2, Amazon S3

Full-Stack & PropTech StaySmart

Role: Backend Developer | Market: Singapore Property Rental

Overview: StaySmart is a comprehensive property rental platform for apartments and condos in Singapore, offering features comparable to 99.co with end-to-end rental management capabilities.

Platform Features:

• Location-based and address-based property search with advanced filtering
• Appointment scheduling system for property viewings
• Digital rental agreement creation and e-signature integration
• Real-time chat between property owners and potential tenants
• Multi-user property management with delegation capabilities

Key Contributions:

• Built scalable REST APIs serving both web and mobile applications
• Deployed and maintained infrastructure on Amazon EC2

Tech Stack: Node.js, React.js, Meteor.js, MongoDB, Amazon EC2, Amazon S3

Full-Stack & Real-Time iTakeJob

Role: Full-Stack Developer | Type: On-Demand Workforce Platform

Overview: iTakeJob is an innovative workforce matching platform that connects employers with part-time workers through intelligent, real-time matching algorithms based on location, availability, and skills.

How It Works:

• For Employers: Post jobs with specific timing, schedule, and location requirements; system automatically finds matching nearby workers
• For Workers: Set availability and skills via mobile app; receive instant notifications when matching jobs are posted
• Matching: AI-driven algorithm matches worker profiles with job requirements for optimal fit
• Monetization: Token-based system where employers purchase tokens to post jobs

Key Technical Features:

• Real-time notifications using Socket.IO for instant job alerts
• Geolocation-based worker discovery and matching
• In-app payment system with token management

Tech Stack: Node.js, Socket.IO, React.js, MongoDB, Amazon S3

Enterprise Solutions Wasco Engineering Suite

Role: Senior Web Application Developer | Client: Wasco Engineering Indonesia | Duration: Feb 2017 - Jul 2018

Overview: Comprehensive enterprise software suite for Wasco Engineering Indonesia, including HR management, travel request processing, leave management, and inventory control systems.

Applications Developed:

• HRSG System: Complete HR management with employee profiles, automated leave balance calculation based on contract terms
• E-Leave Module: Digital leave request system supporting sick leave, hospitalization, annual leave with multi-level approval workflows
• Travel Request: Business travel management with hotel, transportation, accommodation booking, and invoice attachment verification
• Inventory Management: Asset tracking and inventory control system

Key Features:

• Multi-level approval workflows routed to department heads
• Automated email notifications using Java-based components
• Role-based access control for different user levels

Tech Stack: PHP (CodeIgniter), Java, MySQL, JavaScript, Docker, RESTful API

Microservices & Azure AIA Singapore E-Commerce

Role: Senior Software Engineer & Deputy Team Lead | Client: AIA Singapore | Duration: Dec 2018 - Jun 2022

Overview: Enterprise-grade insurance e-commerce platform enabling customers to purchase Travel, Home Care, Pet Care, and Life Insurance policies online with seamless digital experience.

Key Contributions:

• Architected and built the platform from scratch using microservices architecture
• Led technology selection, database design, and infrastructure planning
• Designed dynamic form system with backend configuration - enabling new products without code changes
• Developed reusable npm packages standardizing development across teams
• Integrated with external systems via JSON and SOAP protocols

Leadership:

• Served as Deputy Team Lead, ensuring code quality and timely delivery
• Mentored 3 junior developers and managed internship program
• Improved internal process efficiency by 40% through dynamic form modules

Tech Stack: Node.js (Express), React.js (Gatsby), Redux Saga, Docker, Azure Kubernetes Service (AKS), Azure DevOps, Cosmos DB, Azure AppInsight, Azure Event Hub, Azure Storage

Full-Stack & SaaS EZCoordinator

Role: Backend Developer | Type: Real Estate SaaS Platform

Overview: EZCoordinator is a comprehensive SaaS platform that enables real estate brokers, agents, and transaction coordinators to manage and close property transactions entirely paperlessly.

Platform Capabilities:

• Real-time prospect and listing management dashboard
• Digital document creation and transaction processing
• Client invitation and relationship management
• Role-based and subscription-tier access control
• Configurable menu system based on user roles and subscriptions

Key Contributions:

• Led refactoring effort for new version architecture
• Designed and built REST APIs powering the frontend application
• Implemented automated backend processes using cron jobs
• Integrated payment gateway for subscription management
• Configured per-user email provider integration

Tech Stack: Node.js, MySQL, Amazon EC2, Payment Gateway Integration, Custom Email Provider Integration