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San Francisco, CA, USA

Kateryna S.

Fractional CTO | Expert in Early-Stage Tech Strategy & Team Building | Multi-Time Founder

🚀 Transform Your Startup with Strategic Tech Leadership

Hi, I’m Kateryna, the mind behind CTO Doctor. With over 15 years of experience, including roles at Apple, Capital One, Abra, and Couchsurfing, I’ve navigated the full spectrum of tech landscapes. I spent a decade in Silicon Valley and mentored at top accelerators, turning my deep industry knowledge into actionable strategies for early-stage startups. As a multiple-time founder and former CTO and co-founder at Fract, I deeply understand the struggles and challenges of this stage.

🔹 What I Offer:

• Advisory: Tailored advice for the critical 0-1 stage.

• Fractional Support: CTO or CPO expertise without the full-time cost.

• MVP Build: Creating MVPs that resonate with your target audience.

• Team Building: Assessing agencies, developers, and venture studios to build the right team for your MVP.

🔹 Why CTO Doctor?

• Proven Strategies: Leverage insights from diverse tech environments.

• Equity Retention: Keep a larger share of your company.

• Aligned Vision: Marrying your startup’s vision with market needs.

• Access to Talent: Elite talent ready to accelerate your growth.

• Future-Proofing: Building scalable, resilient businesses.

I’ve been through the startup journey, faced challenges, and discovered shortcuts. Now, I’m here to guide you, ensuring your success aligns with your vision. Let’s collaborate and craft a journey that combines strategic insight with solid tech foundations.

Hire Kateryna
Kateryna S.

Work

Fract - Business Intelligence Gone Spatial

fract.com
Fract - Business Intelligence Gone Spatial
  • Led Fract as founding CTO, a B2B Geospatial AI platform identifying profitable business locations by integrating diverse data sources, including Census, partner data, and real-time customer movements.
  • Developed mobile web dashboards, mapping interfaces for franchisee/franchisor, and an admin section powered by sophisticated AI for territory scoring and team collaboration.
  • Achieved traction with national chains, secured a partnership with GE, and presented at key conferences.

Social Optics - EdTech

mysocialoptics.com
Social Optics - EdTech
  • De facto tech co-founder at SocialOptics, enhancing teens' well-being.
  • From inception to Clever App Store launch, built with Flutter/Supabase, and daily sync with school data.
  • Crafted Canva-like builder for lessons with AI-driven reporting, serving Teachers, School admins, Lesson Creators, Students, and Parents.
  • Created and animated 3D Anime characters with Rive, aiming for AR/VR.
  • Built internal IT, transitioned design/dev team, ensured smooth hand-off

StructionSite

structionsite.com
StructionSite

StructionSite offers AI-powered site documentation for General Contractors, enabling teams to capture and organize 360-degree photos, standard photos, and videos, overlay maps on floor plans, generate reports, and share easily. The platform allows for quick field adoption and seamless sharing of the digital jobsite with all stakeholders.

I worked with the founders from the earliest stages to establish a solid tech strategy, integrate 360 cameras with the app, develop initial product iterations, and assemble the tech team. We successfully launched a production-ready MVP, featuring capabilities like uploading construction site plans, creating a portal, and more.

Wilma – Ride Sharing for Women

getwilma.app
Wilma – Ride Sharing for Women

Wilma is North America’s first Women-Driving-Women Ride-hailing membership service dedicated to the safety of women - providing an alternative, hassle-free ride-hailing service and job opportunities that work for and empower women.

As a Fractional CTO, I provided crucial technical leadership during the vendor and team transition phase. I created processes for product and tech teams and set up a robust onboarding strategy. I established quality assurance processes and assembled a new technical team, including development, product, and quality assurance roles. I aligned business priorities with the product roadmap and streamlined communication. I handled process setup, conducted gap analysis on team members, onboarded new talent, facilitated knowledge transfer, assessed vendors and tech screenings, and streamlined the path to a successful MVP launch.

Experience

Feb 2022 — Present
CTO Doctor

CTO Doctor

Founder

A tech studio with a focus on providing fractional CTO services, we specialize in laying down solid tech foundations, crafting impactful MVPs, and developing scalable tech strategies. Our mission is to fill the tech leadership gap for startups, offering strategic guidance, systems architecture, and the hands-on development necessary to turn visionary ideas into market-ready products. At CTO Doctor, we blend deep tech expertise with a soulful approach to business, ensuring startups not only launch successfully but also grow with purpose and resilience.

  • fractional CTO
Dec 2019 — May 2020
Beachbody

Beachbody

Senior Ios Developer

iOS

Sep 2019 — Dec 2019
Tyra Beauty

Tyra Beauty

Senior Ios Developer

iOS

Dec 2017 — Sep 2019
World's Greatest Videos™

World's Greatest Videos™

Lead Ios Developer

World's Greatest Videos™ logo Head of Mobile EngineeringHead of Mobile Engineering World's Greatest Videos™World's Greatest Videos™ Jan 2018 - Oct 2019 · 1 yr 10 mosJan 2018 to Oct 2019 · 1 yr 10 mos Led the iOS app development from concept to launch, scaling to 100,000+ users while balancing technical excellence with business objectives. Key responsibilities and achievements: - Spearheaded end-to-end iOS development, from hands-on coding to high-level strategy - Evaluated and integrated optimal frameworks and third-party solutions - Built and managed the iOS team, implementing robust recruitment and onboarding processes - Implemented Agile methodologies, including sprint planning, user story creation, and cross-team reporting - Established comprehensive documentation for business continuity and knowledge transfer - Collaborated with API/backend teams to define and implement efficient data contracts - Partnered with design team to balance aesthetics and development efficiency, optimizing the design-to-development pipeline - Aligned iOS development timelines with overall company priorities through regular founder communications - Synchronized strategies with Android team to ensure consistent cross-platform user experience - Occasional cross-functional support, providing PM guidance to other teams

Oct 2016 — Nov 2017
Capital One

Capital One

Senior Ios Developer

Winner of J.D. Power and Associates award for Best Mobile Banking App 2017

  • iOS app
Jul 2016 — Nov 2016
Level Studios

Level Studios

Mobile Lead

Nov 2014 — Dec 2015
Abra

Abra

Lead Ios Developer for the 2015 Launch Festival Winner

Mar 2014 — Sep 2014
Couchsurfing International

Couchsurfing International

Senior Ios Developer

Feb 2014 — Oct 2020
Fract

Fract

Chief Technology Officer and Co-founder

Mar 2013 — Sep 2020
Founders Network

Founders Network

Member; Mobile Sector Chair

Mar 2013 — Mar 2014
Apple

Apple

Ios Software Engineer

Aug 2011 — Dec 2011
Leave No Veteran Behind

Leave No Veteran Behind

Technology Consultant

Mar 2011 — Dec 2011
Morgan Stanley

Morgan Stanley

Business Analyst Consultant

Jun 2009 — Mar 2011
R2integrated

R2integrated

Technical Team Lead and Software Engineer