Senior Full Stack Developer

For over two decades, BrainPOP has been trusted by educators and parents worldwide as a source of engaging and impactful learning experiences for all kids. With a presence in over two-thirds of U.S. districts through school and district subscriptions and an estimated annual reach of 25 million students, BrainPOP is empowering kids to take agency over their learning and excel in and out of the classroom.

The company was acquired in 2022 by KIRKBI, the family-owned holding and investment company of the LEGO brand, marking a significant milestone as their first acquisition in the digital learning realm. We are thrilled to continue making learning fun and accessible with the strategic guidance and support of KIRKBI.

BrainPOP is looking for a Senior Full Stack Developer to join our engineering team. You’ll own complex features from design through launch, help shape technical decisions, and support other developers through mentoring and code reviews.

This role is ideal for an experienced, hands-on developer who enjoys solving challenging problems, building reliable web applications, and using AI to improve how we create and deliver content to millions of learners.

What You'll Do

Feature Development & Technical Ownership

Design, build, ship, and maintain full-stack features using PHP (Laravel) and Vue.js.

Own complex projects end-to-end, from clarifying requirements and choosing an approach to rollout and ongoing support.

Help shape application architecture, balancing delivery needs with long-term maintainability and scalability.

Write clean, well-tested code and raise code quality through thoughtful code reviews.

Improve application performance, reliability, responsiveness, and accessibility.

AI Integration & Tooling

Build and integrate AI/LLM capabilities that automate workflows and improve the user experience.

Evaluate models, prompting approaches, and AI evaluation frameworks, considering quality, reliability, cost, and privacy.

Collaborate on AI-assisted features such as automated content generation and intelligent study tools.

Help take promising AI experiments into reliable, production-ready solutions.

Collaboration & Quality

Work closely with Product, Design, and Engineering peers to turn ideas into practical technical solutions.

Break down complex work, identify risks and dependencies, and contribute to realistic delivery plans.

Mentor developers through code reviews, pairing, and knowledge sharing.

Write unit and integration tests and help strengthen testing practices across the team.

Use observability tools such as New Relic to investigate issues, monitor application health, and prevent recurring problems.

Contribute to sprint planning and improvements in how the team works.

What We're Looking For

Required

5+ years of professional experience in web development, with substantial hands-on experience across both backend and frontend.

Strong proficiency in PHP (Laravel) or Node.js, and readiness to work with Laravel.

Experience building modern, interactive applications with Vue.js or a similar framework such as React.

Hands-on experience building or integrating LLM-powered features in production

Experience with prompt engineering, model evaluation, and monitoring AI-powered systems.

Strong understanding of relational databases (MySQL/PostgreSQL), API design, and application architecture.

Experience independently delivering complex features and supporting them in production.

Ability to explain technical trade-offs and make sound decisions around performance, security, scalability, and maintainability.

Experience mentoring developers and providing constructive code-review feedback.

A collaborative, practical approach to problem-solving and a willingness to learn new technologies.

Nice to Have

Knowledge of cloud infrastructure (AWS/GCP) and CI/CD best practices.

Familiarity with Docker or containerized development environments.

• #tttL#I-IL
• #LI-Hybrid

Life at BrainPOP

At BrainPOP, our work directly impacts how teachers teach and students learn. They inspire us to build solutions that facilitate joy and meaningful learning outcomes. Our commitment to educators and kids is reflected in our dedication to the BrainPOP team: ensuring their experience is empowering, creative, collaborative, playful, and anchored in learning and growth.

Our team is made up of educators, data scientists, published authors, engineers, artists, bakers, film buffs, cyclists, dual citizens, and so much more. We value diversity and inclusion, collaboration, and learning from multiple perspectives.

We believe that a diverse organization is a more effective organization. BrainPOP is an Equal Opportunity/Affirmative Action Employer.

NOTICE: We have become aware of various fraudulent websites and third parties impersonating our company and offering false job opportunities. These offers are not affiliated with BrainPOP and are considered part of an unlawful recruitment scam. To ensure your safety and protect your personal information we strongly recommend that you only apply for positions through the official BrainPOP website or BrainPOP's official LinkedIn page. If you receive any job offers or communications that do not originate from this page or our official e-mail domain brainpop.com, please treat them as suspicious and do not engage or provide any personal information. For any questions or to report suspicious activity, please contact us directly at [email protected] . While we have reported this general fraud to the authorities, you can report this fraud on your own behalf to the Federal Trade Commission ( https://reportfraud.ftc.gov/ ) and the Federal Bureau of Investigation’ s Internet Crime Complaint Center ( https://www.ic3.gov/) .