Why we exist

We are engineers disguised as designers.

Most agencies sell process. We sell outcomes. You get direct access to a technical founder who's built at Stripe-level scale—no juniors, no account managers, no handoffs. Just clean architecture and products that convert.

START YOUR BUILD

Launch Speed

6 weeks

Client Retention

94 %

Projects Delivered

50 +

// Outcome Focused

Our strategy is rooted in quality .

01

Speed through Focus

Small team, no process theater. We ship in weeks what traditional agencies deliver in quarters because we're not managing layers of coordination—we're just building. Every decision is optimized for momentum, not billable hours.

Scope No extra layers Fast decisions

Launch path

6 weeks
Momentum 94% retention 50+ delivered
03

Code as Craft

Technical debt is a tax on your future velocity. We write code that's meant to last—well-tested, properly documented, and architected for change

  • Aligned Incentives
  • Long-term Partnerships
  • Post-launch Support

Status: Committed

03

Design for Conversion

We design with metrics in mind—heatmaps, A/B testing infrastructure, and analytics baked into every project. Awards are nice. Revenue is better.

03

Founder First

No project managers. No status meetings where nothing gets decided. You talk directly to the person writing your code and designing your interface.

Founder-led Delivery // Senior Product Engineering

Founder-led engineering, without the agency layers.

Work directly with a technical founder who can translate business goals into clean product strategy, polished interfaces, and resilient systems built for long-term growth.

Background

Product engineering & systems architecture

Focus

Web platforms, automation, and AI workflows

Strategy

Clear scope before build.

Execution

Senior hands on every detail.

Growth

Built to measure and iterate.

> jeff_yirenkyi.ts

Jeff Yirenkyi

Jeff Yirenkyi

Founder & Principal Engineer

OpalWave is built around a simple standard: senior thinking from strategy through launch. I partner closely with founders and teams to turn complex ideas into reliable, high-performing digital products.