Let’s talk about what you’re building and where you need help.
A short call is usually enough to see whether I should come in as a builder, lead, audit partner, or strategic advisor.
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Build
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Audit
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Lead
I work with founders, agencies, and product teams as a hands-on Vue and JavaScript specialist, technical lead, and senior pair of hands for product work that needs momentum, judgment, and clean frontend execution.
Founders, agencies, and product teams.
Builder, lead, audit partner, or fractional CTO support.
Frontend delivery, technical leadership, and senior support for teams that need someone who can understand the product, improve the code, and keep the work moving.
Component architecture, interactive flows, stateful interfaces, and product UI that holds up under real users.
Clear technical direction, delivery sequencing, code review, and decision support for teams that need senior judgment.
Responsive layouts, design-system thinking, accessibility basics, and the small details that make interfaces feel solid.
Hands-on reinforcement for product teams that need someone calm, experienced, and able to contribute without a long runway.
Practical tradeoffs, sharper user flows, and implementation choices that serve the business goal.
Fast diagnosis of frontend risk, team bottlenecks, technical debt, and the next steps that will actually help.
The strongest fit is where Vue, JavaScript, HTML, CSS, and technical direction all matter at the same time.
I step into existing product teams as the senior frontend operator who can pair with developers, unblock decisions, tighten implementation quality, and translate product intent into maintainable UI work.
I can own Vue features end to end, improve existing components, and keep implementation aligned with the product experience.
I am comfortable debugging browser behavior, taming async flows, integrating APIs, and simplifying code that has become hard to change.
I care about structure, responsiveness, accessibility, spacing, and the maintainable CSS needed for teams to keep moving.
I bring calm technical direction: pairing, review, planning, tradeoff calls, and enough context sharing to make the whole team stronger.
A few teams I have supported.







A short call is usually enough to see whether I should come in as a builder, lead, audit partner, or strategic advisor.
Email simo@controln.co.za with a short note about your team, product, and what kind of help you need.