Top Senior Level Front-End Developer Jobs in Philadelphia, PA

As a Front End Engineer at Tucows Domains, you will play a pivotal role in crafting and refining user-facing web applications and components, ensuring pixel-perfect applications, and consistently considering the modularity and scalability of our applications.

The Senior Energy Engineer will manage onboarding of new sites, develop and implement energy management programs, support performance monitoring of energy resources, identify optimization opportunities, and assist business development through proposals and presentations.

As a Staff AI Software Engineer at Vendr, you will lead AI projects utilizing large language models, enhance marketplace tools, and integrate AI into various products. Your role will also involve building scalable AI infrastructure and mentoring team members.

The Solidity Engineer will design, develop, and maintain blockchain-based solutions for a stablecoin ecosystem, focusing on smart contracts and decentralized applications. Responsibilities include integrating with financial systems, conducting audits, optimizing security and transaction speeds, and mentoring junior developers.

As a Senior Open Source Web Developer, you will design, create, and document high-performing open source solutions using PHP and Javascript. You will lead architectural decisions, collaborate with teams, conduct code reviews, and mentor others while ensuring the development team adheres to best practices and documentations.

As an Ecosystem Technical Solutions Engineer, you will engage in building the Dagger ecosystem through community engagement, partner engineering, and creating technical content. Your role includes educating users, documenting feedback, and developing strategies to enhance Dagger's capabilities while supporting integrations related to CI/CD, AI/ML, and data pipelines.

The Sr. UX Engineer will develop an enterprise-level design system focused on reusable UI components, serving as a liaison between UX and Engineering. The role involves building accessible components using React, facilitating collaboration across teams, and contributing to design system project planning and implementation.