Set sail

Ryru Lobo · Back End Developer

I build backendsthat never sink.

Scalable systems for government & enterprise

Set sail in 3DGet in touch

Crewed with teams at

  • Pensieve Technology
  • Freelance
  • PT Indomarco Prismatama
  • PPPTMBG Lemigas
  • Hacktiv8
  • Universitas Pertamina

Backend Developer with 4 years of experience delivering digital products for government and enterprise sectors. Skilled in building scalable backend systems, optimizing APIs, and managing relational and non-relational databases.

Programming Languages

Typed, tested code the next engineer can read.

  • TypeScript
  • Python

Library / Framework / Services

APIs, schemas and stores built for billions of rows.

  • Node.js
  • Express.js
  • FastAPI
  • REST API
  • GraphQL
  • PostgreSQL
  • MySQL
  • ClickHouse
  • MongoDB
  • Redis
  • JanusGraph
  • Elasticsearch
  • Supabase
  • Next.js
  • React
  • React Native
  • Vue.js
  • Electron
  • WordPress

Tools

Containers, queues and pipelines that keep it all shipping.

  • WebSocket
  • AWS
  • DigitalOcean
  • Docker
  • Kubernetes
  • Git
  • Bitbucket
  • LLMs
  • Apache Kafka
  • Playwright
  • Jest
  • Jira

You slept 8 hours.The servers didn't.

Contributed to applications that secured billion-dollar government contracts and boosted company revenue. A motivated and reliable engineer, and a team player with a passion for delivering impactful outcomes.

Voyage

Years Exp

Back End Developer at Pensieve Technology · December 2022 – Present

Crews
4
Highlights
10
Schools
2

Sailing with Pensieve Technology

Data

Data points / day

Built and optimized the backend and automated data ingestion for an intelligence platform that processes over 14 billion data points daily (TypeScript, ClickHouse, PostgreSQL, Cron).

  • TypeScript
  • Python
  • FastAPI
  • PostgreSQL

Pipelines running

Skills

Devil fruits eaten

Every skill is a devil fruit in the 3D Devil Fruit Grove. Can you eat them all?

Languages
2
Frameworks
19
Tools
12

Still collecting

Experience

  1. December 2022 – Present

    Pensieve Technology

    Back End Developer @ Pensieve Technology

    Indonesia

    • Built and optimized the backend and automated data ingestion for an intelligence platform that processes over 14 billion data points daily (TypeScript, ClickHouse, PostgreSQL, Cron).
    • Designed and developed a scalable data connector platform supporting multiple data sources, including file ingestion and third-party APIs, using an asynchronous, event-driven architecture for data integration and processing (Python, FastAPI, Apache Kafka, PostgreSQL, SQLAlchemy, Alembic, Redis, AWS (boto3), Docker).
    • Co-developed a self-hosted platform that runs browser automation at scale on fleets of containerized Android devices, with per-account identities and encrypted sessions, scheduling and placement across multiple nodes, real-time monitoring, and AI-assisted failure analysis (TypeScript, PostgreSQL, Docker/Kubernetes, Chrome DevTools Protocol, self-hosted LLMs).
    • TypeScript
    • Python
    • FastAPI
    • PostgreSQL
    • ClickHouse
    • Apache Kafka
    • Redis
    • SQLAlchemy
    • Alembic
    • AWS
    • Docker
    • Kubernetes
    • Chrome DevTools Protocol
    • LLMs

  2. June 2025 – Present

    Freelance

    Software Engineer @ Freelance

    Remote

    • Built a location-intelligence platform end to end, from data ingestion and schema migrations to a geospatial analytics backend with background jobs and role-based access, plus web and desktop dashboards with interactive maps (Python, TypeScript, Express, ClickHouse, Liquibase, React, Electron, Docker).
    • Developed a GraphQL backend for an investigative analytics platform that turns multi-source data into entity profiles, relationship graphs, alerts and automated reports (TypeScript, Node.js, Apollo Server, PostgreSQL, MongoDB, Elasticsearch, AWS S3, Docker).
    • Developed and redesigned company profile websites to improve their design, usability and online presence (WordPress, Webflow).
    • TypeScript
    • Python
    • Node.js
    • Express.js
    • Apollo Server
    • ClickHouse
    • PostgreSQL
    • MongoDB
    • Elasticsearch
    • Liquibase
    • React
    • Electron
    • AWS S3
    • Docker
    • WordPress
    • Webflow

  3. April 2021 – April 2022

    PT Indomarco Prismatama

    Supervisor Trainee @ PT Indomarco Prismatama

    Indonesia

    • Supervised the procurement and distribution of resources to every department in the branch office.
    • Managed and maintained the company’s assets, facilities, and services.
    • Managed the budget for general affairs operations, ensuring optimal allocation of resources.

  4. July – August 2019

    PPPTMBG Lemigas

    Geophysicist Intern @ PPPTMBG Lemigas

    Indonesia

    • Developed a subsurface model for the West Timor Area, Nusa Tenggara Timur, using gravity data.

Schooled,thenset sail.

🎓 Hacktiv8 Graduate · Grade A

Every voyage starts in a library. Here's where I trained before setting sail.

  • Full Stack JavaScript Immersive (Grade A)

    Hacktiv8

    July – October 2022

    Indonesia

  • Bachelor of Engineering in Geophysical Engineering (GPA 3.40)

    Universitas Pertamina

    2016 – 2020

    Jakarta, Indonesia