Full Stack Developer

Substance | Level Up by Substance

San Francisco, California, United States Hybrid permanent

Posted: August 26, 2025

Required Skills

Job Description

As a Full Stack Developer, you will be at the center of our development efforts, driving innovative web solutions that enhance user experience and meet business goals. You'll work with cross-functional teams to deliver high-quality software applications while being engaged in both backend and frontend development. Your contributions will directly impact the functionality and performance of our products.

Key Responsibilities:

• Design, develop, and maintain web applications across the full stack, ensuring robust functionality and an engaging user interface.
• Collaborate with designers and product managers to translate requirements into technical specifications.
• Implement RESTful APIs and manage database schemas to optimize application performance.
• Write clean, maintainable, and efficient code while adhering to best practices and coding standards.
• Perform testing and debugging to ensure the reliability and stability of applications.
• Optimize applications for maximum speed and scalability.
• Stay updated with emerging technologies and industry trends to continuously improve development processes.
• Participate in code reviews and provide constructive feedback to team members.

Requirements:
• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• 3+ years of experience in full stack development with a strong proficiency in frontend and backend technologies.
• Proficiency in frontend languages such as HTML, CSS, and JavaScript, and frameworks such as React, Angular, or Vue.js.
• Experience with backend technologies like Node.js, Python, or Ruby and familiarity with web frameworks (e.g., Express, Django).
• Solid understanding of database management systems, including SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
• Familiarity with version control systems, like Git, for collaboration and code management.
• Strong problem-solving skills and ability to work collaboratively in a team-oriented environment.
• Excellent communication skills to articulate complex concepts to technical and non-technical stakeholders.
• Experience with cloud services (AWS, Azure, or Google Cloud) is a plus.

Benefits:
• Paid Time Off (Vacation, Sick & Public Holidays)
• Training & Development
• Work From Home
• Health Care Plan (Medical, Dental & Vision)
• Retirement Plan (401k, IRA)
• Life Insurance (Basic, Voluntary & AD&D)
• Stock Option Plan
• Wellness Resources
• Free Food & Snacks
• Family Leave (Maternity, Paternity)

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