We're operating platforms relied upon by thousands of students and teams daily:TimeBack: An educational platform driving Alpha School's 2 - hour learning model (99th percentile test results).Incept: A content generation platform producing all personalized educational material for multiple learning applications deployed at Alpha School.Crossover: An AI - powered hiring platform handling tens of thousands of applicants monthly, staffing schools and companies worldwide.You'll take ownership of one platform and dedicate the majority of your time to constructing the most complex components of the codebase with a small team (3 - 5 experienced engineers, no junior developers). The architecture you define will dictate whether other teams can build new applications quickly, integrate seamlessly, and deliver value to students. Execute correctly and you unlock enormous leverage. Poor decisions generate integration chaos and destroy velocity across multiple teams.You design, build, and operate your own systems. You set quality standards and define patterns for your platform. Our approach is spec - driven: design precedes implementation, planning always comes before building. You'll have high autonomy—no committees, no review boards. It's a small, cohesive team where you're accountable for your deliverables.What You Will Be DoingTechnical Leadership: Drive strategic architectural choices and define technical patterns your team will follow.AI Leadership: Champion the adoption of emerging AI workflows and develop high - impact playbooks.Implementation: Construct the complex, mission - critical sections of the codebase with your team.Quality Reviews: Verify your team adheres to established patterns and upholds quality standards.What You Won’t Be DoingActing as an architect without hands - on implementationTrapped in endless meeting cyclesManaging people (this role focuses on technical leadership, not people management responsibilities)Maintaining legacy systems or internal IT infrastructureBasic RequirementsLead Software Architect key responsibilitiesMinimum of 5 years of professional software development experience building software productsAt least 3 years in a lead engineer role (reviewing others' work) or architect position (making key technical decisions)Track record working on platform - level products where other teams consumed your APIsStrong engagement with AI tools, consistently experimenting and exploring new boundariesAbout LearnWith.AILearnWith.AI is an edtech startup that leverages AI and subject matter experts to cultivate a new way of learning. Our unique approach leverages 50+ years of learning science, cutting - edge data analytics and AI - powered coaching. In doing so, we can help students learn more, learn faster, and learn better - and have fun while doing it. We are a remote - first company that hires globally via Crossover.There is so much to cover for this exciting role, and space here is limited. Hit the Apply button if you found this interesting and want to learn more. We look forward to meeting you!Working with usThis is a full - time (40 hours per week), long - term position. The position is immediately available and requires entering into an independent contractor agreement with Crossover as a Contractor of Record. The compensation level for this role is $100 USD/hour, which equates to $200,000 USD/year assuming 40 hours per week and 50 weeks per year. The payment period is weekly. Consult www.crossover.com/help - and - faqs for more details on this topic.Crossover Job Code: LJ - 5106 - NG - Lagos - LeadSoftwareAr.002