Jakub Kubacki

Lead Software Engineer

About me

I am a hands-on leader with a passion for crafting high-quality, maintainable, and scalable software using the best tools and practices. I thrive in remote, collaborative team environments and have successfully led multiple projects. I take full ownership of products, ensuring their success from start to finish, while actively participating and supporting my team.

Experience

VP of Technology / Lead Full Stack Engineer

Benztown Branding USA - Leading radio imaging company

Glendale, CA / Remote

Mar 2019 - Present

  • Oversaw all technical operations within the company, including managing the engineering team, developing new products, maintaining existing products, and overseeing infrastructure architecture.
  • Led the development of new products:
  • Created a SaaS platform for radio imaging production.
  • Collaborated with cross-functional teams to define, design, and ship new features.
  • Consulted with executives and stakeholders to define the product roadmap.
  • Managed a team of developers and designers.
  • Improved reliability:
  • Designed and provisioned Kubernetes infrastructure on AWS using Terraform.
  • Utilized Infrastructure as Code tools such as ArgoCD GitOps, Helm, and Kustomize.
  • Set up fully automated CI/CD pipelines.
  • Implemented observability tools, application monitoring, and incident response procedures.
  • Automated backups and disaster recovery plans for databases, volumes, and Kubernetes resources.
  • Achieved 99.999% uptime for all services over two years.
  • Created a full-stack application for the company's flagship product using Next.js, TypeScript, React, and Redux for the frontend and Ruby on Rails, PostgreSQL, Redis, Sidekiq, and Elasticsearch for the backend.
  • Maintained high test coverage with Jest, React Testing Library, RSpec, and Capybara.
  • Improved security:
  • Implemented static code analyzers and automated dependency checks.
  • Ensured complete environment separation.
  • Replaced custom authentication systems with industry-standard solutions.
  • Developed AI-powered products:
  • Implemented a similarity audio search.
  • Developed an AI-powered voice generation application for radio imaging.
  • Trained an AI audio classification model for music genres.
  • Maintained and improved a 13-year-old Ruby on Rails backend application.
  • Optimized performance by introducing caching, background jobs, and database optimizations.
  • Upgraded a Rails 4 application to Rails 7.
  • Updated outated dependencies.
  • Eliminated unused features and their dependencies.
  • Gradually refactored legacy code to enhance maintainability and testability.

Technical Team Leader

Netguru – Ruby on Rails software house

Remote

Sept 2017 - Mar 2019

  • Led multiple technical projects, managed teams of developers, and consulted with clients.
  • Mentored less experienced colleagues.
  • Created and maintained Ruby on Rails and React applications.
  • Conducted code reviews and pair programming sessions following best practices.
  • Managed a team of seven developers, providing mentorship, supervising development goals, and evaluating performance.
  • Led the development of small, medium, and large-scale projects
  • Coordinated the recruitment process for a department of 200 developers.
  • Spoke at company meetups, organized internal hackathons, and coached attendees in Ruby on Rails workshops.
  • Collaborated with cross-functional teams to define, design, and ship new features.
  • Consulted with clients during scoping sessions, project workshops, and technical project reviews.
  • Consulted on company-wide policies with leadership and executives.

Senior Ruby on Rails Developer

Netguru - Ruby on Rails focused software house

Remote

Jan 2015 - Sept 2017

  • Led Ruby on Rails projects.
  • Managed teams of RoR developers.
  • Conducted recruitment interviews for junior to senior levels.

Ruby on Rails Developer

E-price - e-commerce company

Remote

Dec 2013 - Jan 2015

  • Built e-commerce ERP software managing sales via API integrations.
  • Managed server infrastructure and deployment processes.

PHP Developer

E-price - e-commerce company

Remote

Sept 2010 - Dec 2013

  • Developed and maintained ERP e-commerce software.
  • Created CMS software for managing products and orders.

Skills

Backend - 14 years of experience

Backend development is my primary area of expertise, and I have created multiple applications, APIs, and integrations.

Leadership - 8 years of experience

I have been in leadership roles for several years, overseeing multiple projects and teams.

DevOps - 5 years of experience

I have been working with DevOps since 2019. Creating CI/CD pipelines and managing Kubernetes clusters.

Frontend - 6 years of experience

I have been working with React since 2018. Created multiple applications and websites.

Education

Computer Science

University of Adam Mickiewicz, PoznaΕ„, Poland

2010 - 2012

Languages

πŸ‡¬πŸ‡§ English

Full professional proficiency

πŸ‡΅πŸ‡± Polish

Native proficiency

πŸ‡ͺπŸ‡Έ Spanish

Limited working proficiency

πŸ‡ΉπŸ‡­ Thai

Elementary proficiency

Interests

Technology
Finance
Football
D&D
Travel
Languages
Cuisine
Digital Nomad Lifestyle