Jakub Kubacki

Tech Lead

Printumo - Print on demand for artists

Copenhagen, Denmark / Remote

Jun 2024 - Present

• Built a SaaS print on demand platform from scratch:
• Selected and implemented a simple, efficient tech stack to accelerate development and reduce overhead.
• Selected and implemented a simple, efficient tech stack to accelerate development and reduce overhead.
• Implemented and optimized CI/CD pipelines to streamline daily deployments.
• Automated backup processes and developed robust disaster recovery plans to ensure data integrity.
• Configured observability tools, application monitoring, and incident response procedures.
• Achieved 99.99% SLA uptime.
• Implemented API integrations with third-party services.

• Launched a new product to market in less than 3 months:
• Conducted requirements analysis to define project scope.
• Led and managed a cross-functional team to define, design, and ship new features.
• Planned work using agile methodologies.
• Orchestrated backlog management as both product owner and project manager.
• Collaborated with executives and stakeholders to define the product roadmap.
• Facilitated communication with business partners and fulfillment centers.
• Gathered and analyzed user feedback to improve the product.
• Leveraged metrics and A/B testing to create analytics dashboards.
• Optimized user retention and product conversion to drive growth and engagement.

VP of Technology / Lead Full Stack Engineer

Benztown Branding USA - Leading radio imaging company

Glendale, CA / Remote

Mar 2019 - Jun 2024

• Led the development of new products:
• Created a SaaS platform for radio imaging production.
• Drove the development of new features through collaboration with a cross-functional team.
• Advised leadership and key stakeholders in developing the strategic direction of the product.
• Managed a team of developers and designers.
• Improved project delivery speed by 30%.

• 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.
• Integrated observability solutions and monitoring frameworks, and established incident response workflows.
• Automated backups and disaster recovery plans for databases, volumes, and Kubernetes resources.
• Improved uptime to 99.999% for all services over two years.

• Created a full-stack application for the company's flagship product:
• Used 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.
• Decreased security incidents by 90% after implementing new protocols.

• 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 modernized a legacy 13-year-old Ruby on Rails application.
• Optimized performance by introducing caching, background jobs, and database optimizations.
• Upgraded a Rails 4 application to Rails 7.
• Updated outdated 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.

• Provided mentoring to junior developers for skill development.

• 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.

• Mentored 9 junior developers who advanced to senior roles.

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.