
DELOS AG
First paying enterprise customers in sixteen weeks
Ryan Ewers, CEO and founder of Supreme Golf, on the partnership, the new way of building software, and why he came back.
Supreme Golf operates a tee-time marketplace — aggregating fragmented inventory across thousands of courses and connecting golfers to bookings — and a B2B operations platform that helps course owners run their business. Two product lines, two go-to-market motions, one company. Both built atop a domain that is famously, structurally, full of edge cases: dynamic pricing, weather closures, leagues, tournaments, member tiers, walk-ons, no-shows.
By late 2025, Supreme Golf had a problem that's common at year fifteen: a working business, an ambitious product roadmap, and a tech-debt drag that made every new feature slower than the last. They also had something else — a handful of experimental tools built directly by their CEO and operations team using AI coding assistants. The prototypes worked. None of them were production-grade.
They needed a team that could do two things at once: modernise the foundation and productise the prototypes — without slowing the marketplace business. They called Streaver.
Streaver and Supreme Golf have a longer history than most. We were Supreme Golf's engineering partner from 2014 to 2021 — in fact, they were our first customer, ever. The original partnership built the marketplace that took Supreme Golf from idea to scale.
In 2021, leadership changes on both sides led the companies to pause the engagement. We don't hide this part. It happens; it's honest; what matters is what came after.
In January 2026, Ryan reached out. Not because we sold him on anything — we hadn't spoken in years — but because he'd been evaluating teams to take Supreme Golf into its next chapter, and the team he kept comparing every shortlist to was the one he'd originally hired. The reference checks, in his words, went both directions: he reviewed us, and we reviewed his new leadership team.
Streaver's very first customer. Together we built the original marketplace and operations stack that scaled Supreme Golf from a concept in Dallas to a national tee-time aggregator across the US.
Leadership transitions on both sides led the companies to part ways. The work was strong; the moment wasn't right. We stayed in touch with the team. We didn't lobby for a return.
Five years later, Ryan reopened the door. The brief was bigger this time: modernise the stack, productise the AI-prototyped tools, and rebuild the way the team builds software — together. We said yes inside a week.
We’ve worked with a lot of different teams since 2011. No team is more progressive in accepting the new technology and leaning in to it than Streaver. That’s why this partnership works so well — we want to be cutting edge with our technology, and so does Streaver.
Most agency case studies describe a process that hasn't materially changed since 2018: discovery, specification, design, sprint, deliver. We're not going to dress that up.
What we're doing with Supreme Golf is a genuine departure. Ryan, a non-technical CEO, sits at the keyboard alongside our engineers. AI coding assistants do the typing. Our team designs the guardrails — the architectural decisions, the production gates, the review patterns — that turn fast prototyping into shippable software.
The result is a development loop that compresses what used to take a week into an afternoon, and what used to require a translator (PM → engineer) into a conversation.
This isn't prompt engineering. It's a working model that requires three things to exist at the same time: senior engineers who know what good production code looks like, AI tools that can write the bulk of it, and a workflow that lets a non-technical founder participate in the build without breaking it.
Ryan and his ops team use AI tools to build prototypes that capture intent better than any spec doc ever could. We take those prototypes and turn them into production software — testable, observable, scalable. Spec, design and engineering happen in one conversation, not three handoffs.
Founder-led prototypesBefore we let anyone vibe-code into the codebase, we put rails in: deployment gates, CI checks, test scaffolding, secret hygiene, AI-tool config files, branch protections. The guardrails make speed safe. Without them, 'fast' is a euphemism for 'fragile.'
Safety before speedWe don't take requirements away to build in private and present in a sprint review. We build live, in shared sessions, with Ryan and the operations team in the room. Edge cases surface in the conversation, not in QA two weeks later.
In-session iterationAI tools amplify whoever is using them — junior engineers into shipping subtly wrong code at scale, senior engineers into shipping correct code at unprecedented pace. So this engagement is senior-led: senior engineers own the architecture and the guardrails, and every line ships under senior review.
Senior-led teamThe tooling here matters because it's the multiplier. Same engineers, same hours, with this toolchain produce something close to an order of magnitude more shippable code than they did three years ago. Below is the actual stack — not aspirational, not generic. The exact tools we use, every day, with Supreme Golf.
TBD · primary database entry pending engineer verificationWhat this product would have cost to build three years ago — versus what it cost to build with Streaver's AI-augmented methodology in 2026. Same scope. Same quality bar. Same production environment.
Five months in, here's what the engagement has produced. Where a baseline exists, it's shown. Where it doesn't, the figure is the absolute outcome.
Comparable scope to a 2023-era build, delivered at one-eighth the cost. Driven by AI-augmented velocity, a senior-led team, and live-iteration cadence that eliminates rework.
TBD · engineer to verifyFrom whiteboard to two paying golf courses operating live on the platform. Pilot data is informing every subsequent rollout.
The current trajectory and architectural choices are set up for a 100× rollout inside a year, with no major re-platforming required.
TBD · engineer to verifyContinuous deployment, with preview environments per pull request and live in-session review with the CEO and operations team.
TBD · engineer to verifyAcross the marketplace and operations products since January 2026. Real count to be pulled from Linear before publish.
TBD · engineer to verifyRyan participates directly in build sessions, with guardrails preventing accidental damage. The product surface reflects the founder's intent without translation loss.
Streaver took us from a concept to a working prototype to going into production in an amount of time that is almost unbelievable. The pace at which we’ve moved in the last six months is beyond what I thought we could do — and we’ve built a product that is rich in feature set, in live production.
Ryan's words on this in the testimonial: “Streaver has become such a key asset because they recruit very, very well. They only recruit the top people. They make sure that the people they embed in our team are going to be a culture fit with Supreme Golf.” We name and stand behind the team that has shipped this work.

Leads day-to-day execution, aligning priorities across the team and helping ensure a consistent delivery rhythm while balancing business objectives and technical requirements.

Contributes to the development of key platform capabilities across frontend and backend systems, helping deliver scalable solutions that support the product’s evolution.

Drives the implementation of new features and technical improvements, bringing broad full-stack expertise to help maintain a reliable and high-quality user experience.

Builds and enhances core product functionality, collaborating closely with the team to solve complex technical challenges and support ongoing product growth.

Contributes across the application stack, helping deliver product enhancements and maintain momentum through consistent execution and collaboration.

Supports feature development and platform improvements, contributing across the stack while continuously expanding his technical expertise and impact within the team.
Daily live build sessions with Ryan and the Supreme Golf operations team. Continuous deployment to staging; production deploys 3–5 times per day. Weekly business review with leadership.
Single shared Slack workspace. Linear for engineering. Loom for async walkthroughs. Supreme Golf has full visibility into every channel and repository.
Monthly retainer with a committed capacity. No timesheets. Pricing terms confirmed privately on signing.
All IP belongs to Supreme Golf. Access reviews monthly. Two engineers hold the credentials they need; no shared accounts.
The 12-month target is two hundred golf courses live on the new operations platform. The work that gets us there has three threads.
The first two courses were onboarded with white-glove support. Two hundred can't be. The next quarter is about distilling the onboarding playbook into a self-serve flow that captures 80% of the cases without a Streaver engineer in the room.
Predictive demand forecasting, dynamic pricing recommendations, anomaly detection on bookings. The same AI methodology that's building the product is being trained on the product's domain.
Tournament management. Member management. Pro-shop integration. The platform was designed for these from day one; now we ship them.
Streaver embeds senior product teams inside companies building modern, AI-augmented software — at a fraction of traditional cost, at a multiple of traditional pace. Same engineers, week one to week one hundred.