Deploy case story · Contractor Commerce

The platform had nearly a decade of history. Every release was paying for it.

Contractor Commerce helps residential service businesses turn their websites into sales channels through transparent pricing, estimates, bookings, and online purchases.

A six-person TierOne unit modernized the path to production without stopping the work or abandoning the platform already serving the business.

Client

Contractor Commerce

E-commerce for residential service businesses.

Unit

Six people

Five engineers and one DevOps embedded alongside the existing European team.

Mission

Modernize continuously

Remove delivery bottlenecks without interrupting service for existing customers.

The situation

Technical debt was charging interest on every launch.

The platform had evolved for nearly a decade.

Its tools were fragmented. Deployments required too much manual coordination. Ownership changed as work moved between development, review, infrastructure, and release. Even a straightforward initiative could touch enough people and systems to become slow and risky.

The business still needed to support existing customers and ship improvements. But each new change was carrying the weight of the delivery system around it.

More roadmap work did not create more velocity. It created more coordination.

The stakes

Modernization could not come at the cost of stopping the business.

Contractor Commerce did not have the luxury of placing the platform on hold while a replacement was built.

Customers were already using it. The business needed to keep serving them, responding to new requirements, and moving the product forward.

A wholesale rewrite would create a new concentration of risk. Leaving the delivery system unchanged would make every future launch slower and more expensive.

The platform had to be modernized while it continued to operate.

The diagnosis

The bottleneck was the path to production.

The company did not lack ideas or engineering talent.

The constraint was everything required to turn an idea into a safe production change.

Deployments were bureaucratic. Quality controls arrived too late. Ownership was divided across stages. The architecture made new product work more difficult than it needed to be.

Adding more developers to that system would add more work to the same bottleneck. The delivery system itself had to change.

The judgment

Modernize the path to production before rewriting the product.

TierOne embedded a six-person unit—five engineers and one DevOps—alongside the existing European team.

The unit evolved the platform toward an API-first architecture so future product work could build on clearer boundaries. Automated testing and earlier quality controls moved risk detection closer to the moment code was written. Developers gained end-to-end ownership instead of handing work across disconnected stages.

Infrastructure and delivery were unified around Jenkins, DigitalOcean, and CI/CD pipelines. Deployments became repeatable rather than dependent on a sequence of manual approvals and tribal knowledge.

TierOne also built frontend and backend development harnesses. AI-assisted automation supported pull requests, checklists, alerts, and early diagnosis—not as theater, but as leverage inside a delivery system with clear human ownership.

The operator decision was not to rewrite everything. It was to identify the constraints making every release harder, remove them in sequence, and keep the platform running while the standard improved.

The outcome

More than half again the delivery pace. Bug volume approaching half.

The change did not come from pushing the team to work longer or creating a larger backlog. It came from removing friction between decision, development, quality, infrastructure, and production.

Delivery

Delivery pace increased by well over half

Once the development harness was established, the team moved substantially more work through the same delivery system. Pull-request automation, repeatable checks, and clearer ownership shortened the distance from completed change to production release.

Quality

Bug volume moved close to half

Automated testing and earlier quality controls caught more issues while the work was still in development. Fewer defects survived long enough to become release blockers, production incidents, or another round of manual coordination.

Release

Deployments became routine

Releases became faster and more predictable, with less dependence on manual review. That matters because every future initiative travels through the deployment system.

Foundation

The architecture stopped blocking the next interface

The API-first foundation created a clearer path for new endpoints and a new user interface. Modernization became part of current product delivery instead of a separate future project.

Continuity

Existing customers kept being served

The platform continued operating while its architecture and delivery system evolved. The business did not have to choose between maintaining today's product and preparing for tomorrow's.

The principle

Modernization does not mean rewriting everything.

It means removing the bottlenecks that make every new launch slower, more expensive, and riskier than the last.

The codebase mattered. The decisive work was changing how ownership, quality, and delivery operated around it.

We don't build rosters. We build engines.

Client perspective

“TierOne has been a dependable technology partner for our business. Their team demonstrates strong technical expertise, clear communication, and a consistent commitment to delivering high-quality results. We value the professionalism they bring to every engagement.”
Andrew Schechter
Andrew SchechterVP Engineering, Contractor Commerce

Code is cheap. Operators are made.

Is your platform making every next move harder?

Technical debt is accumulated friction. Run the Engine Diagnostic to identify the constraint most likely to slow your next stage.