25.09.2026 aktualisiert
100 % verfügbar
Full-Stack Engineer | Python, REST APIs, Automation, Infrastructure & Technical SEO
Surabaya, Indonesien
Nur Remote
High School Diploma (SMA)Über mich
Full-Stack Developer specializing in React, Next.js, backend, APIs, automation & SEO. I build fast, scalable, SEO-friendly websites, digital products, LINE Bots, and API integrations. Available for remote freelance & long-term projects.
Skills
APIsWeb ScrapingDNSSEOPythonMessaging Application Programming InterfaceRedisNext.jsSeo-CopywritingReact.jsFlaskBackendFastAPIBackend-programmierungFull Stack Entwicklung
Python Backend & API Development
Expertise in building and maintaining production backend services using Python, FastAPI, Flask, PostgreSQL, and Redis, covering API development, data storage, caching, and queueing. Design and integration of public REST APIs and third-party webhooks for media platforms, automation services, and messaging systems.
Infrastructure & DevOps
Management of production Linux VPS infrastructure across multiple providers including Vultr, ConoHa, Contabo, and Linode, with Nginx reverse proxies, Cloudflare caching, SSL certificates, DNS, and system resource optimization. Building of automated CI/CD pipelines with GitHub Actions and containerization with Docker.
Automation & Bot Development
Development of LINE automation systems for user and group interaction, supporting automated messaging, command handling, group operations, and user-facing bot workflows. Building of web automation and scraping systems using headless browsers, API integrations, queue-based dispatch, and custom media processing pipelines.
Frontend Web Development
Delivery of client web applications including landing pages, marketplaces, company websites, admin dashboards, and product/catalog interfaces using React, Next.js, Bootstrap, and Tailwind CSS, integrating frontend interfaces with custom APIs and backend services.
SEO & Web Performance
Implementation of technical SEO improvements including JSON-LD structured data schema, route-level metadata, Open Graph tags, and client-side rendering fixes for Googlebot and AdSense compatibility. Monitoring and optimization of Core Web Vitals and overall page performance using Google Search Console, Google Indexing API, Bing Webmaster Tools, and PageSpeed Insights.
Messaging & Third-Party API Integration
Design and integration of third-party APIs and webhooks for media platforms, automation services, and messaging systems including LINE Bot API, Webhooks, and Media Platform Integrations.
Media Pipeline Engineering
Re-architecture of media processing pipelines from headless-browser automation into leaner API-based architectures. Building and self-funding of public-facing media downloader products with analytics dashboards and advertising/donation-based monetization.
Queue-Based Systems & Message Dispatch
Building of Redis-based message queue and dispatch systems to prevent message loss during high-volume bot traffic, replacing unreliable direct-send architectures.
Expertise in building and maintaining production backend services using Python, FastAPI, Flask, PostgreSQL, and Redis, covering API development, data storage, caching, and queueing. Design and integration of public REST APIs and third-party webhooks for media platforms, automation services, and messaging systems.
Infrastructure & DevOps
Management of production Linux VPS infrastructure across multiple providers including Vultr, ConoHa, Contabo, and Linode, with Nginx reverse proxies, Cloudflare caching, SSL certificates, DNS, and system resource optimization. Building of automated CI/CD pipelines with GitHub Actions and containerization with Docker.
Automation & Bot Development
Development of LINE automation systems for user and group interaction, supporting automated messaging, command handling, group operations, and user-facing bot workflows. Building of web automation and scraping systems using headless browsers, API integrations, queue-based dispatch, and custom media processing pipelines.
Frontend Web Development
Delivery of client web applications including landing pages, marketplaces, company websites, admin dashboards, and product/catalog interfaces using React, Next.js, Bootstrap, and Tailwind CSS, integrating frontend interfaces with custom APIs and backend services.
SEO & Web Performance
Implementation of technical SEO improvements including JSON-LD structured data schema, route-level metadata, Open Graph tags, and client-side rendering fixes for Googlebot and AdSense compatibility. Monitoring and optimization of Core Web Vitals and overall page performance using Google Search Console, Google Indexing API, Bing Webmaster Tools, and PageSpeed Insights.
Messaging & Third-Party API Integration
Design and integration of third-party APIs and webhooks for media platforms, automation services, and messaging systems including LINE Bot API, Webhooks, and Media Platform Integrations.
Media Pipeline Engineering
Re-architecture of media processing pipelines from headless-browser automation into leaner API-based architectures. Building and self-funding of public-facing media downloader products with analytics dashboards and advertising/donation-based monetization.
Queue-Based Systems & Message Dispatch
Building of Redis-based message queue and dispatch systems to prevent message loss during high-volume bot traffic, replacing unreliable direct-send architectures.
Erfahrung
Berufserfahrung5 - 10 Jahre
Freelancer seit2018
Sprachen
Englishgut
Projekthistorie
Independent software engineering practice delivering paid projects for clients worldwide. Collaboration with existing development teams, designers, and client teams on backend development, API integration, automation, and production systems. Designed and maintained EXAPI, a public REST API for media downloading and processing. Managed production Linux VPS infrastructure, built CI/CD pipelines, developed LINE automation bots, and delivered client web applications.
Developed and maintained custom LINE Bot solutions for customer service and business automation. Built automated customer responses, command and trigger-based workflows, message handling, Flex Messages, and group-related features. Integrated backend services and APIs to support reliable bot operations, and handled deployment, maintenance, troubleshooting, and updates based on project requirements.