We're operating platforms that serve thousands of students and teams worldwide:TimeBack: An educational platform that drives Alpha School's 2 - hour learning model (achieving 99th percentile test outcomes).Incept: A content generation platform responsible for producing all personalized educational materials across multiple learning applications deployed at Alpha School.Crossover: An AI - powered hiring platform that processes tens of thousands of candidates monthly, supplying talent to schools and companies around the globe.You will take ownership of one platform and dedicate the majority of your time to constructing the most challenging components of the codebase with a compact team (3 - 5 experienced engineers, no junior members). The architectural choices you make will dictate whether other teams can swiftly develop new applications, integrate seamlessly, and deliver value to students. Correct decisions unlock enormous leverage. Poor decisions generate integration chaos and destroy velocity across the organization.You design what you build and operate. You define quality standards and technical patterns for your platform. Our approach is spec - driven: design precedes implementation, planning comes before building. Expect high autonomy, no committees, no approval boards. This is a small, cohesive team where accountability for what you ship rests with you.What You Will Be DoingTechnical Leadership: Define strategic architectural direction and set technical patterns that guide the team's execution.AI Leadership: Champion the adoption of emerging AI workflows and develop impactful playbooks.Implementation: Personally construct the complex, high - risk portions of the codebase working alongside your team.Quality Reviews: Validate that your team adheres to established patterns and upholds quality expectations.What You Won’t Be DoingServing as an architect who doesn't write codeSpending time in continuous meetingsManaging people (this role focuses on technical leadership, not personnel management)Maintaining legacy systems or handling internal IT infrastructureBasic RequirementsSenior Software Architect key responsibilitiesA minimum of 5 years of professional software development experience delivering software productsA minimum of 3 years serving as either a lead engineer (conducting code reviews) or architect (driving key technical decisions)Proven experience building platform - level products where other teams integrated with your APIsActive, deep involvement with AI tools, consistently experimenting and exploring new frontiersAbout 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 - SeniorSoftware.009