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📊By the Numbers

🏢
100K+
Enterprise Impact
🔄
4+
Platform Rebuilds
👥
10+
Team Leadership
🌎
14
International Launches

Skills Overview

4+ core competency areas

Frontend

+
React
9y
TypeScript
5y
Next.js
3y

Backend

+
Node.js
8y
Ruby
4y
PHP
10y

DevOps

+
GCP
4y
AWS
8y
Docker/K8s
5y

Leadership

+
Technical Leadership
10y
Architecture
8y
Mentorship
10y
Click any category to expand • 22 total skills

Career Timeline

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Sr Full Stack Developer | Tech Lead

Telus Digital•Current•Toronto, ON

Led full rebuild of TELUS prepaid activation portal (millions of activations annually).

Migrated stack: Vue → React, Ruby → Node.js, AWS → GCP.

Transitioned OpenShift pipelines to GitHub Actions CI/CD.

Key Achievements

🟢Bridged gaps by acting as Architect, Scrum Master, and Lead Developer due to resource constraints.
🟢Partnered with Directors/VPs to align technical roadmap with business goals.
🟢Mentored team in modern testing (Jest/Cypress) and performance optimization.
ReactNode.jsGCPLeadershipArchitectureMigration

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James Buczkowski

Senior Full Stack Developer | Tech Lead | Engineering Leader

LinkedIn | GitHub

SUMMARY

Engineering leader with 15+ years building and scaling SaaS, API-driven, and mission-critical systems. Proven record of leading teams through ambiguity, defining technical roadmaps, and delivering high-impact platforms at enterprise scale. Experienced in mentoring engineers, supporting hiring decisions, managing delivery within defined budgets, and aligning technical vision with business goals to drive end-to-end ownership of architecture, development, and operations. Known for bridging product, engineering, and executive stakeholders to deliver results in high-growth, distributed environments.

EXPERIENCE

Telus Digital — Toronto, ON
Sr. Full Stack Developer | Tech Lead (Full Time) Jan 2020 - Present

Directed the full rebuild of the TELUS prepaid activation platform—a mission-critical system handling all prepaid activations across public, dealer, and corporate channels. Owned engineering, architecture, and strategic delivery while mentoring peers and coordinating cross-functional teams.

  • Impact: Rebuilt TELUS’ legacy prepaid activation system, centralizing critical business logic and ensuring stability across all activation channels. Became the go-to team for both technical ownership and business expertise in prepaid.
  • Architecture & Strategy: Migrated stack (Vue → React, Ruby → Node.js, AWS → GCP, OpenShift → GitHub Actions CI/CD) while keeping legacy systems stable.
  • Leadership: Partnered with directors and VPs on roadmaps, backlog prioritization, and cross-functional delivery, taking on responsibilities typically held by senior leadership.
  • Cross-Functional Delivery: Bridged gaps by playing multiple roles (BA, Scrum Master, Architect, QA, Developer).
  • Mentorship: Onboarded and coached developers in modern architecture, testing, and performance practices. Contributed to hiring decisions by interviewing candidates and providing input on technical fit.

Telus Digital — Toronto, ON
Full Stack Developer (Contractor) Sept 2017 - Dec 2019

  • Modernized mobility systems, migrating projects to a new React/Node/Contentful-based architecture.
  • Drove initiatives such as TELUS Trade-in, Warranty Lookup, and Travel Plans tools.
  • Conducted performance workshops and improved accessibility/SEO via Lighthouse audits.

E-assign LLC — Buffalo, NY / Toronto, ON
Software Architect / Product Consultant June 2016 - Sept 2018

  • Designed and built SaaS tools for higher education, including automated grading, file submission pipelines on AWS, and reminder/alert systems using Twilio and SendGrid.
  • Designed end-to-end solutions from architecture to deployment while managing stakeholder communication.

ruby Life Inc. (formerly Avid Life Media) — Toronto, ON
Technical Lead / Frontend Architect July 2012 - July 2017

  • Technical Lead (Nov 2015 - July 2017): Migrated frontend to React; introduced Jest/Enzyme testing and TDD standards. Led a full redesign of AshleyMadison.com, aligning engineering with business objectives.
  • International Team Lead (Feb 2014 - Oct 2015): Directed international platform launches in 14 countries; coordinated across global teams.
  • Full Stack Developer (July 2012 - Feb 2014): Built APIs, affiliate management systems, and image-processing tools using PHP, MySQL, and JavaScript.

Earlier Roles (2005 – 2012)

  • Syncapse: Enhanced SaaS platform; integrated streaming data tools (Python/Tweepy).
  • Roswell Park Cancer Institute: Led projects including self-service HR apps and secure state data transfers.
  • Core 101: Built and enhanced client web applications.
  • ValueCentric: Contributed to ValueTrak SaaS platform for pharmaceutical analytics.

CORE TECHNOLOGIES & PRACTICES

  • Stack: Node.js (TypeScript), React, Next.js, HTML/CSS
  • Backend & Data: Microservices, REST/GraphQL APIs, MySQL, MongoDB, Redis
  • DevOps & Cloud: Google Cloud (GCP), AWS, Docker, Kubernetes, CI/CD (GitHub Actions)
  • Leadership: Agile Leadership (Scrum, Kanban), Roadmap Planning, Technical Mentorship, Executive Communication, Stakeholder Alignment

EDUCATION

SUNY Buffalo State University – B.A. Computer Information Systems
Erie Community College – A.A.S. Computer Information Systems.

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