
Usama K
Empowering people through innovative software solutions
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Senior Software Engineer
Upwork • Freelance
Oct 2020 - Present • 6 yrs 1 mo
Senior Full Stack Software Engineer with 8+ years of experience designing, stabilizing, and scaling SaaS platforms using Laravel, Vue.js, and modern cloud infrastructure. Proven track record of transforming legacy, bug-prone systems into reliable, high-performance products through architectural refactoring, performance optimization, and structured delivery processes. Led development of multi-tenant SaaS platforms, recruitment and marketplace systems, and automation-driven applications featuring intelligent matching algorithms, RESTful APIs, real-time functionality, and secure third-party integrations. Experienced in technical leadership, mentoring junior engineers, coordinating QA processes, and collaborating with global stakeholders to deliver production-ready solutions. Consistently drove measurable business outcomes including improved platform reliability, faster feature delivery, enhanced user experience, and significant revenue growth.