Maciej Torbus
Zielona Góra, PL
mac.torbus@gmail.com
+48 784 432 921
mactorbus
maciejtorbus

Engineering leader with nearly 10 years of experience across software engineering, engineering management, and general management at WebSell, a Volaris Group company. Strong technical background in backend ecommerce systems, with a BSc in Computer Science (University of London) and PSM I certification. Open to on-site and hybrid roles, with willingness to relocate to major Polish cities.

Experience

General Manager: WebSell
June 2024
 — 
Present
Volaris Group
  • Served as company director of WebSell, a retail ecommerce SaaS platform within Volaris Group, a Constellation Software subsidiary (TSX: CSU) operating 240+ software companies across 60+ countries. Led a cross-functional team of 15+ across Poland, Ireland, and the US.
  • Coached and developed 4 direct-report team leaders across engineering, professional services, sales, and customer success through structured 1:1s, SMART goal-setting, individual development plans, annual talent reviews, and performance management including coaching plans and redundancy.
  • Drove company-wide AI adoption across all departments, delivering 4 initiatives each rated at 2x impact: AI-assisted development (Claude, GitHub Copilot) in engineering, AI content generation in marketing, AI design tooling in professional services, and an AI-powered Help Center chatbot in customer support.
Director of Engineering: WebSell
November 2021
 — 
June 2024
Volaris Group
  • Led a team of 6 across software engineering, architecture, and senior IT, maintaining 99.99% uptime across a high-availability infrastructure spanning two datacenters for hundreds of merchants.
  • Established and enforced software development lifecycle standards across the team, including code review, branching strategy, testing, CI/CD pipelines, and secure coding guidelines aligned with OWASP Top 10.
  • Maintained PCI DSS Level 1 certification annually and ensured full compliance with Volaris Group cybersecurity standards through corporate security audits.
Engineering Manager
May 2019
 — 
October 2021
WebSell
  • Organized and delivered an Agile Innovation R&D project with Enterprise Ireland called WebSell Cloud, securing a government grant of €135,000.
  • Delivered 20+ third-party integrations across payment gateways (PayPal, Stripe, Authorize.Net, Affirm), shipping carriers (UPS, FedEx, ShipStation), analytics (GA4, Google Ads, Klaviyo), tax engines (TaxCloud, Avalara), and search (Typesense), maintaining compatibility across 500+ live merchant stores.
  • Remained a hands-on contributor to the main PHP/MySQL codebase throughout the management role, authoring 850+ commits and ranking #3 all-time across all company contributors.
Software Engineer
August 2017
 — 
April 2019
WebSell
  • Contributed to a 200,000-line PHP/MySQL ecommerce platform serving 500+ merchants across the US, UK, Ireland, and Canada, authoring 100+ commits and pull requests.
  • Delivered 10+ REST API integrations across payment gateways (PayPal, Braintree, Amex, Global Payments), marketing platforms, and marketplace connectors.

Projects

Ecommerce Feature Suite: connscameras.ie
May 2019
 — 
November 2019

Custom platform development for Ireland's leading independent camera retailer.

  • Led and primarily built 3 custom modules: product content tab editor, accessories and promotional add-ons engine, and automated cashback/special offers system
  • Client scale: ~€2M annual revenue, 400-950 orders/month
  • Stack: PHP, MySQL, JavaScript. Full-stack across admin panel and storefront.
  • ~€50,000 EUR custom development contract
Subscription Commerce Platform: mypetwarehouse.com.au
March 2020
 — 
December 2020

Full-stack recurring orders system for Australia's largest pet retailer.

  • Led delivery of subscription schedule management, pricing rules engine, storefront/checkout integration, customer portal, nightly order automation, and email system
  • Client scale: 1.9M+ lifetime orders, $215M+ in merchant revenue
  • Stack: PHP, MySQL, Redis. Backend-heavy with nightly cron automation.
  • $52,800 USD custom development contract
Ski Rental Platform: skimaxx.pl
February 2018
 — 
Present

Personal side project: custom-built ski rental platform.

  • Designed and built from scratch: reservation system, equipment management, admin panel, basket, checkout, automated email notifications
  • 1,000+ completed reservations since 2018
  • Stack: PHP, MySQL, JavaScript
  • Currently scaling into multi-vendor platform at nartowo.pl

Education

University of London
October 2019
 — 
May 2023
BSc in Computer Science
  • Algorithms and Data Structures II (88)
  • Databases, Networks and the Web (92)
  • Databases and Advanced Data Techniques (84)
  • Software Design and Development (83)

Awards

Professional Scrum Master (PSM I)
February 2019
Scrum.org

Languages

Polish:
Native speaker
English:
Professional working proficiency

Skills

Leadership:
Team Leadership, Talent Management, SMART Goal Setting, Performance Management, Recruitment
Engineering:
Agile (Scrum, Kanban), Software Architecture, Code Review, CI/CD, Tech Debt Management, AI Adoption
Tech Stack:
PHP, Python, C#, MySQL, MariaDB, Redis, REST APIs, Linux, AWS, Git, JavaScript
Security:
PCI DSS Level 1, GDPR, OWASP, Vulnerability Management