YochaAI | Retention-First Software Engineering
YochaAI — Retention-First Software Engineering
I'm your fractional founding engineer. Hand me a shaky product or a validated idea, and I return a retention-first revenue engine — built around your business DNA, ready to market. Senior outcomes, faster and leaner than an agency.
10+
Optimized Products
Exec-Aligned
C-Suite Priorities
Retention-First
Profit + Retention
Founder-Led Execution
Senior technical direction without agency layers or handoffs.
Architecture decisions made with retention, trust, and runway in mind
The Offer
What a retention-first fractional founding engineer actually does
Most fractional help bills hours or ships features. I act as a founding engineer and CTO for your product, so the architecture, the roadmap, and the growth loops all serve one outcome: customers who stay and revenue that compounds.
Founding-engineer ownership
You work directly with senior technical leadership on architecture, delivery, and the technical decisions that move revenue — not a salesperson up front and a junior team behind the curtain.
Business-DNA-aligned architecture
Every technical decision is mapped to your pricing model, unit economics, and customer behavior — so the codebase compounds your business instead of fighting it.
Retention-first by default
Onboarding, activation, and repeat-use loops are designed in from day one, not bolted on later. The product is built to keep the users marketing brings in.
What I Build & How I Work
One retention-first system, four phases
I act as your founding engineer and CTO across the whole arc — diagnosing what leaks revenue, aligning the architecture to your business model, shipping the highest-leverage work, then tightening the loop. Each phase is a focused offer, so we can start wherever you are.
Phase 01 · Diagnose
Retention Leak Audit
I map where users drop after the first session, then connect technical debt to lost revenue and runway risk.
Includes Product HardeningPhase 02 · Align
Business DNA Architecture
I design systems around your unit economics, pricing model, and customer behavior so the code supports recurring revenue.
Includes Growth InstrumentationPhase 03 · Build
Retention-First Build Sprint
I ship production-ready releases fast, focused on onboarding, activation, and repeat-use behaviors.
Includes Shipping CadencePhase 04 · Optimize & Scale
Continuous iteration
Post-launch monitoring and iteration keeps retention climbing while protecting brand equity as you grow.
Measure what compoundsProduct Hardening, Growth Instrumentation, and Shipping Cadence are built into these phases — included capabilities, not separate line items.
Product Alignment
Stop hiring just coders. Build products that stick.
Most projects do not fail because nobody can code. They fail when nobody owns the product, connects the work to business DNA, and keeps retention, revenue, and launch momentum in view.
This is the short version of how I work with founders: turn rough ideas, stalled builds, and messy systems into usable software with a plan behind it.
Meet the Founder
Sean Ward
I work as a founding engineer partner for teams that need a high-retention product, not a fragile prototype. You work directly with me on strategy, architecture, and every revenue-generating decision - no agency sales layer, no being passed off after the pitch.
To ship faster and scale capacity, I direct a small, vetted engineering team that executes under my standards. My focus is aligning architecture to your business DNA from day one so every feature supports adoption, retention, and scalable profit.
Proof of Impact
High-Retention Product Outcomes
Stonewall Renovations WordPress Rebuild
Rebuilt a residential remodeling website around real project proof, premium service positioning, regional discovery, and a structured estimate-request journey.
Nonstop X Creator Campaign Platform
Built a premium creator-network platform with roster browsing, creator profile pages, live reel previews, and structured campaign inquiry flows for brand outreach.
NSP Soccer Training Platform
Built a comprehensive soccer training ecosystem - a cross-platform app with gamification, nutrition tracking, and a coach portal designed to improve repeat engagement.
NSP Soccer Website
Built a premium app marketing website with whole-player positioning, pro proof, review proof, FAQ handling, and a clear path from interest to download.
North GA EMC Call Analytics
Delivered in collaboration with Versalytix for North GA EMC. The platform processes customer calls with AI summaries, transcripts, audio playback, and Azure AD SSO.
KUB Mobile Outage Center
Delivered outage map and outage reporting/status workflows as part of KUB's React Native migration initiative for cross-platform consistency.
Powered by production-ready technologies
Trusted Partners
Companies and organizations I've had the pleasure to work with
Testimonials
What Clients Say
Direct feedback from founders and executives I've worked with
"Lifelong learning" gets thrown around a lot, but very few actually practice it. I met Sean Ward only a few months into his journey with YochaAI. His determination to learn and grow is what made him stand out to me.
Sean is a fantastic developer. In my experience working with him, he is consistently on top of his work, proactive, and reliable. If anything comes up during the process, he always doubles back, takes ownership, and makes sure everything is handled properly. That level of account...
Sean is an elite-level software engineer who possesses a wide range of skill sets, including app and website development, AI engineering, and many other software-based skills. Above all, Sean is a great person who works very fast and delivers a high standard of work on a consiste...
I've had the pleasure of working with Sean first at Phelps 2020 in 2023 where he was hired as a Machine Learning Intern working on a really interesting DOD project. Later, I hired Sean to work as a contractor for Pima Web Design on some innovative app development paired with AI a...
I had the privilege of supervising Sean during several semesters of internships at Phelps2020, where he worked on advanced machine learning and computer vision projects. Even early in his career, Sean distinguished himself through his remarkable technical depth, creativity, and h...
Swipe to see more
"Lifelong learning" gets thrown around a lot, but very few actually practice it. I met Sean Ward only a few months into his journey with YochaAI. His determination to learn and grow is what made him stand out to me.
Sean is a fantastic developer. In my experience working with him, he is consistently on top of his work, proactive, and reliable. If anything comes up during the process, he always doubles back, takes ownership, and makes sure everything is handled properly. That level of account...
Sean is an elite-level software engineer who possesses a wide range of skill sets, including app and website development, AI engineering, and many other software-based skills. Above all, Sean is a great person who works very fast and delivers a high standard of work on a consiste...
I've had the pleasure of working with Sean first at Phelps 2020 in 2023 where he was hired as a Machine Learning Intern working on a really interesting DOD project. Later, I hired Sean to work as a contractor for Pima Web Design on some innovative app development paired with AI a...
I had the privilege of supervising Sean during several semesters of internships at Phelps2020, where he worked on advanced machine learning and computer vision projects. Even early in his career, Sean distinguished himself through his remarkable technical depth, creativity, and h...
How It Compares
Fractional founding engineer vs. agency vs. full-time hire
Three ways to get engineering done. Only one is built to make your retention and growth predictable while protecting the cost and overhead of a full-time hire.
| What you get | YochaAIFractional Founding Engineer | Dev Agency | Full-Time Hire |
|---|---|---|---|
| Who does the work | One senior founding engineer, hands-on | Rotating team, mixed seniority | A hire you must recruit and manage |
| Time to first impact | Days, not quarters | Weeks of scoping and onboarding | 1–3 month hiring cycle |
| Aligned to your business model | Architecture mapped to unit economics | Scope-driven deliverables | Depends on the individual hire |
| Retention-first architecture | Built in from day one | Rarely the priority | Only if they specialize in it |
| Cost and commitment | Fractional, flexible engagement | Retainer plus change orders | Full salary, equity, and benefits |
| Scale up or down | Adjust as you grow | Renegotiate the contract | Hiring and firing overhead |
| Knowledge stays with you | Documented, in your own stack | Leaves with the agency | Until they move on |
Hiring Questions
Fractional founding engineer & CTO FAQ
What does a typical engagement look like?
Most engagements start with a 45-minute Growth Systems Call to map your current product state and retention leaks. From there I diagnose, align the architecture to your business DNA, and ship focused sprints that improve activation, repeat usage, and stability — with monitoring and iteration after launch. Scope flexes from stabilizing an existing product to building a new one from validated product-market fit.
Fractional founding engineer vs. a dev agency — what's the difference?
A dev agency scopes deliverables and hands work across a rotating team of mixed seniority, so you own coordination and the agency owns the knowledge. As your fractional founding engineer, I work as senior technical leadership embedded in your product: I own the architecture, the retention strategy, and the decisions that move revenue — and the knowledge stays documented in your own stack.
When should I hire a fractional CTO or founding engineer?
It fits best from pre-product through early growth, when you need senior technical judgment and hands-on delivery but cannot yet justify a full-time CTO salary, equity, and benefits. If your product is unstable, your roadmap is unclear, or you are leaking users and runway, a fractional founding engineer gives you CTO-level outcomes on a flexible engagement you can scale up or down as you grow.
What is retention-first engineering?
Retention-first engineering means designing the architecture and roadmap around keeping and activating users, not just shipping features. Onboarding, activation, and repeat-use loops are built in from day one, technical decisions are mapped to your unit economics, and instrumentation makes retention and revenue trends visible early — so the product strengthens the business and the unit economics rather than fighting them.
How is this different from hiring a full-time engineer?
A full-time hire means a 1–3 month recruiting cycle, full salary, equity, and benefits, plus the overhead of managing and onboarding. As a fractional founding engineer I plug in within days, ship from validated priorities, and you can scale up or down as you grow — with senior ownership from the start and knowledge documented in your own stack.
Do you build everything yourself, or do you work with a team?
I personally lead every engagement — the strategy, the architecture, and every revenue-generating decision is made one-on-one with you. For execution I direct a small, vetted engineering team so we can ship faster and scale capacity without agency overhead. You always work with senior ownership; the delivery team works under my direction and to my standards.
What is YochaAI?
YochaAI is a founder-led software engineering studio based in Knoxville, Tennessee that builds retention-first software for startups and small businesses. We focus on replacing unstable or vibe-coded products with architecturally sound software designed around real business constraints, unit economics, and user behavior.
Who founded YochaAI?
YochaAI was founded by Sean Ward, a software engineer with deep experience in product stability, retention architecture, and founder-led delivery. Sean personally leads all engagements and provides senior technical direction, with a vetted team executing under his direction.
What services does YochaAI offer?
YochaAI offers three core services: Retention Leak Audits (identifying where users drop off and connecting technical debt to lost revenue), Business DNA Architecture (aligning code decisions to unit economics and growth constraints), and Retention-First Build Sprints (shipping production-ready software with onboarding and repeat-use loops built in from day one).
Where is YochaAI located?
YochaAI is based in Knoxville, Tennessee, United States. We work with clients both locally and remotely across the US and internationally.
How do I engage with YochaAI?
The best way to start is by booking a 45-minute Growth Systems Call through the contact page. During this call, we map your current product state, identify retention leaks, and outline a plan to stabilize or build from validated product-market fit.
What industries does YochaAI work with?
YochaAI works across multiple industries including sports tech, creator platforms, enterprise utilities, healthcare, finance, and SaaS. The common thread is founders and teams who need stable, retention-optimized software built around real business constraints.
Sean is an elite-level software engineer who possesses a wide range of skill sets, including app and website development, AI engineering, and many other software-based skills. Above all, Sean is a great person who works very fast and delivers a high standard of work on a consistent basis.
Heath Martin
CEO & Founder
Nonstop X & NSP Soccer