Gilang Aprianto Software Engineer +62 8 19191 09090 Experienced Web Developer with expertise in Ruby (on Rails) stacks with 5+ years in full-stack or JAMstack. Equipped with Golang / Elixir for building scalable and high-performance systems.  Knowledgeable in a user interface, testing, and debugging processes. Able to effectively self-manage during independent projects, as well as collaborate in a team setting. SKILLS ★★★★☆ Ruby, Ruby on Rails, Sinatra, Jekyll, Slim, Git, Unix ★★★☆☆ RSpec, PostgreSQL, Redis, ElasticSearch, SCSS ★★☆☆☆ Golang, React, GraphQL, Docker, AWS, CI/CD, Jenkins WORK EXPERIENCE * Software Engineer at MPM Group, Jakarta Overhauled/rewritten the obsolete legacy systems into Ruby on Rails stacks, resulting in increased agility and reduced development cycle Coordinated with DevOps; devised hassle-free and maintainable deployment cycles by introduced CI/CD Composed Dockerize app to minimized the environment gap between a local machine and production server; fast ready no more than 1-hour setup workspace to start code Improved test coverage by 70%, specs documentation, and standardized coding conventions by established unit/integration test and linting using Rubocop, RSpec, Capybara, and Selenium Leveraged knowledge in unit/integrated test, Swagger API documentation and BDD/TDD practice * Software Engineer at Karir Komunika Pratama, Yogyakarta Investigated, refactor code, and optimized slow query in Ruby on Rails stacks and achieved < 100 ms response times Utilized Golang to build small services/tools to support monolith app; accelerated goal to < 50 ms response times Proposed and implemented JAMStack solution on several microsites to serves faster, secure and reliable; accomplished  96+ performance scores in GTmetrix; reduced pages load time by -75% (to around 1s) Trained, guided and taught new developer to familiarize internal stacks and technology Leveraged knowledge in monitoring, refactoring, JAMStack, and familiarity with microservices in Go * Ruby Developer at SoftwareSeni, Yogyakarta Promoted into a dedicated Ruby developer (from PHP) in only a 1-month training, ahead of schedule by 3 months Consolidated with the business/sales team to escalate any quotation/feature proposals and doubled sales by 120% Upgraded outdated web apps from Rails 3.x into Rails 4.x; migrated from Heroku to AWS; resulting in decreased server cost -80% (from around $1000/month) and 2x faster response time Leveraged knowledge in Ruby Gems ecosystem and Ruby on Rails stacks and principles: DRY, YAGNI, CoC, etc EDUCATION * Sebelas Maret University, Surakarta Major: Informatics Engineering B.Sc (GPA 3.35), in a concentration of Web Programming, System Analyst & Design * EF English First, Jakarta Level: CERF B2 Intermediate, in concentration English for Adults LINKS * Personal Site Authored gizipp.com for additional information, writing, and projects. * Portfolio Personal Project: gizipp.com/portfolio/#personal for recent personal projects Professional Project: gizipp.com/portfolio/#professional for recent professional projects OSS: github.com/gizipp/my-open-source-contributions for open source contribution * GIZ! Tools Publicized tools.gizipp.com: internet and web tools, e.g DNS checker, template converter, WHOIS tools, etc * LinkedIn https://linkedin.com/in/gizipp * Github https://github.com/gizipp HOBBIES Technology, blogging, and street photography.