Senior Staff Software Engineer

🕒 April 28

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UniUni

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2019

🚗 Transport

🛍️ eCommerce

Transport • eCommerce

UniUni is a last-mile parcel delivery and logistics provider built for e-commerce merchants, offering end-to-end shipping solutions, real-time tracking, a driver app, and cross-border pickup and delivery between the U. S. and Canada. The company targets small and enterprise e-commerce sellers with unified fulfillment, extensive North American warehouse and sortation coverage, transparent pricing (no surcharges), and sustainability initiatives focused on carbon neutrality in the last mile.

📋 Description

• Design, build, and maintain robust application software using PHP (core and frameworks) and TypeScript, with a focus on scalability and long-term maintainability. • Architect and implement full-stack solutions, seamlessly integrating server-side logic with frontend interfaces. • Lead troubleshooting and root-cause analysis of backend systems, identifying and resolving complex issues efficiently. • Design, build, and integrate RESTful APIs that support internal and external consumers. • Architect and manage relational and non-relational data storage solutions, ensuring performance, reliability, and data integrity. • Conduct comprehensive code reviews and drive continuous improvements to codebases for enhanced performance and maintainability. • Establish and enforce engineering best practices, coding standards, and documentation guidelines across the team. • Collaborate with product managers, designers, and cross-functional teams to deliver high-quality full-stack web applications. • Mentor and coach junior and mid-level engineers, fostering a culture of technical excellence and continuous learning. • Contribute to architectural decision-making and technology roadmap planning.

🎯 Requirements

• 10+ years of professional experience building production-grade applications, with strong backend expertise (PHP experience highly valued). • Deep expertise in one or more PHP frameworks: Laravel, Yii, or Symfony. • Strong proficiency in HTML, CSS, and JavaScript, with hands-on React experience. • Proven ability to design and manage relational (MySQL, PostgreSQL) and non-relational (MongoDB, Redis) databases, including schema design and query optimization. • Extensive experience with API design and integration (REST). • Expert-level knowledge of OOP principles, design patterns, and web architectural patterns (MVC, microservices, event-driven). • Track record of leading technical initiatives and delivering complex projects at scale. • Demonstrated ability to mentor engineers and elevate team-wide technical standards. • Strong communicator who can translate complex technical concepts for non-technical stakeholders.

🏖️ Benefits

• Dental • Vision • Medical insurance • Paid Holiday • Paid Time Off • Paid Sick Leave • 401K • Management training program