Domas Bitvinskas [email protected] domasbitvinskas.com

CTO / Product Owner 14 years development experience 3 years leading a product team 6 years with React.js 4 years with GraphQL / Apollo 2 years with Prisma Finance background (algorithmic stock-trading)

PROFESSIONAL EXPERIENCE Senior Software Engineer Jun 2019 - Now Building “a chat for projects” in a small startup with my rockstar team. • Developing complex multi-platform app based on GraphQL, Apollo, React, React Native, Electron.js and Ruby on Rails. • Creating and using a next-gen process for code reuse among mobile, web and desktop apps. Open-sourced at: https://amendable.dev • Focused on finding a way to quickly iterate and deliver exponential results with a small team.

Freelance Consultant Feb 2018 - Jun 2019 Helped clients from USA, Switzerland and Germany with project timelines, budget estimation, scoping, building MVP’s, developing user stories and product designs. • Developed and used techniques for objective project effort estimation. • Managed a remote development team (of 4) through Trello and Slack. • Developed various products with React, Node, GraphQL, Apollo, Prisma, TypeScript and Flow. • Built professional relationships with 20+ companies.

Blond Founder, Sep 2017 - Feb 2018 Led a Business Intelligence / developer recruitment consultancy. • Architected a module-based scraper system with Pupeteer. Capable of handling LinkedIn, GitHub, Crunchbase and Meetup. • Built a backend for the scraper system with Ruby on Rails & GraphQL. • Architected a machine learning based system for identifying candidate’s technical experience based on interlinked data. • Implemented business dashboards and process control boards. • Built professional relationships with 100+ developers. • Continuously provided developer leads for two clients. • Continuously provided Business Intelligence for 20+ clients.

Universal Avenue Full Stack Developer (Team Lead), Mar 2015 - Aug 2017 Led a team of 4 developers building sales as a service platform. • Implemented client invoicing system. • Successfully introduced React.js and Redux into the stack. • Migrated delayed jobs from DelayedJob to Sidekiq. • Introduced business metric tracking with Mixpanel, Google Analytics, Mousestats. • Introduced Continuous Integration system (Semaphore). • Introduced code linters. • Built client dashboard. • Worked on API for iOS and Android. • Introduced for backend testing. • Used Jest and RSpec.

Closeheat Full Stack Developer (CEO), Dec 2014 - Jan 2017 Built an advanced visual website builder. • Developed product from ground up on Ruby on Rails and React.js. Used Sidekiq, DelayedJob, . • Implemented algorithms to map generated HTML to source code. • Implemented website hosting system with nginx. • Product management: introduced product funnels, personas, support channels. • Introduced key business metric tracking.

SameSystem Ruby on Rails Developer, Jan 2013 - Mar 2015 Developing B2B workforce planning application. • Built system-wide report subscription service with Ruby, Prawn and React.js. • Successfully brought React.js into production environment. • Performed under high pressure deployment situations with Capistrano. • Testing frontend with Jasmine and backend with RSpec and Cucumber.

OPEN SOURCE Databound github.com/Nedomas/databound Oct 2014 - Apr 2015 A popular open source library which provides Javascript a simple API to Ruby on Rails CRUD.

Zapata github.com/Nedomas/zapata Jul 2014 - May 2016 A popular open source gem that automatically generates RSpec smoke tests for Ruby classes.

EDUCATION Bachelor’s Degree of Finance, Algorithmic Trading Kaunas University of Technology, Jan 2009 - Jan 2013 Emphasis on investing and banking. • Founded Investors Academy “YES”.

For more information about projects and current tech stack, visit domasbitvinskas.com