React Developer Nodejs Jobs in Belleville, IL (NOW HIRING)

The Senior Technical Architect is the ultimate technical authority on out-of-process extensions, serverless infrastructure, and performance engineering within Adobe Commerce and ACCS. Within an AI-First engineering culture, this role champions AI-assisted software development, builds AI microservices/agents via Adobe App Builder, and optimizes sub-second Edge delivery performance through automated code reviews and performance modeling.

Perficient is the global AI and technology consulting firm disrupting the traditional consulting model. Powered by our 7,000+ advisors, engineers, and designers, Perficient implements AI-first solutions that break conventions and deliver outcomes that matter. Proudly serving clients that represent the world's most innovative brands, and in collaboration with our powerful technology partner ecosystem, we bring deep industry expertise and data-driven design to redefine how businesses run and succeed. Perficient is different. For real. Learn more at perficient.com.Our Adobe team is recognized as thought leaders in the industry. Our highly collaborative culture and commitment to ongoing training and education set us apart from the competition and empower us to deliver mission-critical technology and cutting-edge business solutions to Fortune 500 companies and some of the most recognized brands on the planet!

Experience: 8-12+ years of software development experience, with 5+ years as a Lead/Technical Architect on Adobe Commerce (Magento 2).

AI Proficiency: Advanced competence using AI coding tools (GitHub Copilot, Cursor, Claude/ChatGPT APIs) to write, refactor, and test code; experience building or consuming AI/LLM endpoints within App Builder or Node.js services.

Technical Mastery: PHP, Node.js, GraphQL, Adobe App Builder, Adobe I/O Events, React, and Fastly/CDN edge configurations.

Certifications (Preferred): Adobe Certified Master - Adobe Commerce Architect.

Perficient, Inc. proudly provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a protected veteran in accordance with applicable federal, state and local laws. Perficient, Inc. complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Perficient, Inc. expressly prohibits any form of unlawful employee harassment based on race, color, religion, gender, sexual orientation, national origin, age, genetic information, disability, or covered veterans. Improper interference with the ability of Perficient, Inc. employees to perform their expected job duties is absolutely not tolerated.

Disability Accommodations: Perficient is committed to providing a barrier-free employment process with reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or accommodation due to a disability, please contact us.

Applications will be accepted until the position is filled or the posting is removed.

The salary range for this position takes into consideration a variety of factors, including but not limited to skill sets, level of experience, applicable office location, training, licensure and certifications, and other business and organizational needs. The new hire salary range displays the minimum and maximum salary targets for this position across all US locations, and the range has not been adjusted for any specific state differentials. It is not typical for a candidate to be hired at or near the top of the range for their role, and compensation decisions are dependent on the unique facts and circumstances regarding each candidate. A reasonable estimate of the current salary range for this position is $152,118 to $202,730. Please note that the salary range posted reflects the base salary only and does not include benefits or any potential variable compensation programs. Information regarding the benefits available for this position are in our benefits overview.

#LI-JS1

• AI-Driven Extensibility & Agents: Architect out-of-process microservices (Node.js/App Builder) and API Mesh setups, including custom AI agents, webhooks, and automated data pipelines.

• AI Engineering Standards: Establish best practices for team-wide use of AI code generation, automated test creation (TDD/BDD), AI code review gates, and automated security vulnerability scanning.

• Performance & Edge Optimization: Optimize Core Web Vitals, Edge caching, and GraphQL query efficiency, using AI diagnostic tools for predictive bottleneck analysis.

• Core Code Integrity: Enforce coding standards, secure coding practices, PCI compliance, and upgrade-safe App Builder patterns across development teams.

• Proof of Concepts (PoCs): Rapidly build PoCs for custom AI agent integrations, smart checkout flows, or novel edge blocks using AI-assisted development tools.