Software Apps Engineer

Senior Front End Software Engineer (React / Next.js)

We are seeking a high-caliber Senior Front End Software Engineer to join a lean, high-impact engineering team. This role is pivotal to our success as we build next-generation desktop and mobile web applications with a focus on scalability, performance, and superior user experiences.

If you thrive in an agile, fast-paced environment and possess a "can-do" attitude toward tackling diverse technical challenges, we want to hear from you.

Key Responsibilities
• Feature Delivery: Develop high-performance, accessible, and cross-browser compatible web applications using React.js, Node.js, and Next.js.
• Code Quality: Ensure the integrity of the codebase by writing comprehensive tests (Jest/Enzyme) and conducting thorough code reviews.
• Architecture: Build reusable components and libraries to streamline future development and support scalable application architecture.
• Collaboration: Partner closely with Product, Design, and Backend teams to push technical boundaries and deliver polished final products.
• Continuous Improvement: Address cross-browser compatibility issues and optimize applications for maximum speed and accessibility.

Required Technical Skills
• 6-7 years of professional experience in software engineering.
• Mastery of Core Web Tech: Expert-level Javascript (ES6+), HTML5, and CSS3.
• Framework Expertise: Deep experience with React.js, Node.js, and Next.js.
• CSS Pre-processing: Solid understanding of LESS or SASS.
• Tooling: Proficiency with GitHub, including complex merge conflict resolution.
• Testing: Experience with test-driven development using frameworks like Jest and Enzyme.

Preferred Qualifications
• Experience with Astro or other modern JS libraries.
• Familiarity with Drupal or similar CMS integration.
• Experience in Cloud-based development environments.
• Background in the full software development lifecycle, including production support and architecture.

The Ideal Candidate
• Active Communicator: You are highly reachable, proactive in updates, and comfortable explaining technical concepts in plain language.
• Resilient Self-Starter: You excel in a performance-driven culture and are comfortable wearing multiple hats in a small-team setting.
• Availability: As a key member of a small team, you are willing to provide support during critical system emergencies when necessary.

Equal Opportunity Employer / Disabled / Protected Veterans

The Know Your Rights poster is available here:

The pay transparency policy is available here:

For temporary assignments lasting 13 weeks or longer, AllSTEM Connections is pleased to offer major medical, dental, vision, 401k and any statutory sick pay where required.

We are committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation for any part of the employment process, please contact your staffing representative who will reach out to our HR team.

AllSTEM Connections participates in the E-Verify program in certain locations as required by law. Learn more about the E-Verify program.

We also consider for employment qualified applicants regardless of criminal histories, consistent with legal requirements, including, if applicable, the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance. Pursuant to applicable state and municipal Fair Chance Laws and Ordinances, we will consider for employment-qualified applicants with arrest and conviction records, including, if applicable, the San Francisco Fair Chance Ordinance. For Los Angeles, CA applicants: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

Additional Skills

(none specified)


AllSTEM Representative Contact Info

Account Executive:


IN HOUSE


Branch Phone:


View phone number on click.appcast.io


Location:


Ontario, CA