Senior Software Developer - Full Stack (PHP / React) About this position Who We AreUniUni is a fast-growing, technology-driven last-mile logistics company operating across North America. Since 2019, we have scaled to handle millions of parcels annually, covering the majority of Canada and rapidly expanding across the United States.Our platform powers a highly scalable, asset-light logistics network that combines real-time data, intelligent routing, and a flexible driver ecosystem to deliver fast, reliable, and cost-efficient last-mile services.About the Team & Systems Our team builds thecore logistics platformthat powers:High-volume order processing and real-time trackingIntelligent routing and dispatch systems (AI-assisted)Warehouse and sorting integrationsCross-border and multi-region delivery orchestrationOpen APIs for partners, 3PLs, and e-commerce platformsWe operate in ahigh-concurrency, data-intensive environment , where systems must handle:Millions of parcel events and status updatesReal-time decision making (routing, assignment, optimization)Distributed services across multiple regionsThis is a system wherescalability, reliability, and performance are critical by design .About the Role We are hiring aSenior Full Stack Software Developerto contribute to the design and development of our core systems.This role is ideal for engineers who have strong hands-on skills and a growing architectural mindset, and who are comfortable working in complex, high-scale environments.What You’ll DoLeverage AI tools (e.g., Copilot, ChatGPT, Cursor) to improve development efficiency and code qualityDesign and develop backend services usingPHP (Laravel preferred)Build and maintain frontend features usingReactContribute to system design and architectural decisions within your domainOptimize systems for high concurrency and large-scale data processingCollaborate with cross-functional teams to deliver end-to-end featuresIntegrate with internal and external APIs and logistics partnersWrite clean, maintainable, and testable codeParticipate in code reviews and contribute to engineering best practicesTroubleshoot production issues and improve system reliabilityQualificationsBachelor’s degree in Computer Science, Engineering, or equivalent experience~10 years of software development experienceStrong proficiency inPHP (Laravel or similar frameworks)Solid experience withReact or modern frontend frameworksExperience building systems with moderate to high concurrencyGood understanding of system design and backend architecture principlesExperience withMySQL/PostgreSQL , including query optimizationFamiliarity withRedis, caching, and message queuesExperience withcloud platforms(AWS / GCP / AliCloud is a plus)Familiarity withDocker, CI/CD, and Linux environmentsExperience using AI tools to improve development productivityStrong problem-solving skills and ability to work independentlyLocation Requirement Candidates must be based in thePacific Time Zone (PST) .What We Offer Competitive compensation and benefits packageMedical, Dental, and Vision coveragePaid Time Off, Holidays, and Sick Leave401(k) / RRSPClear growth path toward senior/staff levelsFast-paced, high-impact engineering environmentEqual Opportunity Employer – we are committed to inclusive hiring practices and encourage applications from people of all backgrounds.#J-18808-Ljbffr