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First seen by our source: 12 days ago

Contract Fractional CTO

@ NuBinary

Toronto, Ontario

$125–$175/hrHybridFull-time7+ years experience
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Overview

NuBinary is hiring a contract fractional CTO for startups on a full-time basis, with the goal of converting to a permanent role later. The work involves senior technical leadership across MVP development, scaling and team building for startup clients. Pay is $125 to $175 per hour and the role can start immediately for candidates located anywhere in Canada.

Pay:

$125–$175 an hour

Responsibilities:

  • Lead technical teams for startup clients
  • Guide software architecture and product roadmaps
  • Oversee end-to-end product development and deployment
  • Estimate project scope and cost

Requirements summary:

  • Bachelor's degree in computer science or similar
  • 7+ years of software development experience
  • Experience leading technical teams in startups
  • Hands-on full-stack development with Ruby on Rails or similar
  • Excellent written and verbal communication

Tools & skills

Source and dates

Source type not verified · dover

Employer posting date
Not provided
First seen by our source
2026-10-26
Source record updated
2026-10-26

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityLead
DepartmentBusiness operations
Experience7+ years
Manages peopleYes
Hours per week40 (estimated)
Work settingHome, Client sites
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationBachelor’s degree (required), Master’s degree (preferred), Doctorate (preferred)
Fields of studyComputer science, Software engineering

Summary and details written by AI from the posting; the employer’s posting is the authority.

NuBinary

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Job description

NuBinary is a fractional-CTO service and software development consulting firm working with startups in various stages including MVP development, scaling, team building, and post-series A/B growth. We work with a diverse range of clients in areas such as IoT, Smart Connected Devices, AI, Machine Learning, MedTech, Smart Manufacturing, Home Automation, and more.

Through our fractional CTO services, we help startups minimize their risk and cost while maximizing their value proposition by sharing with them years of entrepreneurship and tech leadership experience from our team. We provide end-to-end product development services including web/cloud, mobile, hardware, and firmware development. Our technology stack of choice is Ruby on Rails on the back-end and ReactJS/React Native on the front-end but we also work with other stacks frequently including Node.js, DJango, Angular and Vue.js. Currently, we are looking for senior tech leads with previous experience being CTO, VP of Engineering, or similar positions leading tech teams in startups.

You will have the opportunity to work with a team of highly-skilled, motivated, and experienced serial entrepreneurs and ex-CTOs. We are well connected to the startup ecosystem of the Toronto-Waterloo corridor and through exposure working with the best startups in the area, you will have the opportunity to take the CTO role in different startups. This is a contract position with the goal of turning into a full-time position in the future.

The position is available to start Immediately for candidates located anywhere in Canada. Candidates with some consultation/contract experience are preferred.

Must have:

  • Bachelor degree in computer science, software engineering, or similar majors

  • Minimum 7 years of experience in software development and related areas.

  • Experience leading or managing technical teams in startups.

  • Hands-on experience with full-stack web and mobile development with Ruby on Rails or similar MVC frameworks and development of complex applications in production

  • Experience with software project scoping, cost estimating, product roadmaps, and planning

Required skills:

  • Deep knowledge of software architecture design patterns

  • Experience with dev-ops, cloud infrastructure, and end-to-end product development and deployment

  • Experience with Agile Project management and Lean Startup methodologies

  • Excellent written and verbal communication skills

Great to have:

  • Master’s or Ph.D. degree in software engineering or similar

  • Software development consulting or freelance experience with startups

  • Previous experience as a technical co-founder of a startup

Compensation $125 - $175 per hour

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