Senior Fullstack Engineer (React, Python, Go)

About Density

Density's mission is to measure and improve our footprint on the world. We help companies understand how their workplaces are used by observing behavior in the office through our highly accurate and always anonymous sensors. This data is translated into actionable insights that help companies increase the financial and experiential performance of any workplace.

Today, we work with companies from Fortune 500s to high growth innovators in technology, financial services, and healthcare, occupying more than a billion square feet worldwide. We aim to create better spaces and build cities that work and feel better.

The Opportunity

As a Senior Fullstack Engineer at Density, you will lead the development of cutting-edge web applications and APIs that power the next generation of workplace experiences. You will create software that transforms how people interact with their environments, using real-time sensor data to help users navigate offices, understand space utilization, and optimize their workday. Your work will enhance productivity and reshape how we think about workspaces, pushing the boundaries of what technology can do for human-centered design.

Responsibilities

• Lead the development of fullstack web applications, writing clean, efficient, and scalable code in Go, React, and Python, focusing on both frontend and API development.
• Ensure code quality with comprehensive unit testing and follow best practices in testing and automation to maintain a reliable and maintainable codebase.
• Manage branching, merging, and release workflows using Git, leveraging advanced Git techniques to keep development cycles smooth and efficient.
• Design, build, and automate deployment pipelines using GitHub Actions to ensure seamless and reliable continuous integration and delivery (CI/CD).
• Work within the Amazon Web Services (AWS) environment, managing cloud infrastructure, writing deployment scripts, and utilizing AWS services to optimize performance and scalability.
• Collaborate closely with business and product stakeholders to understand pain points and opportunities, translating them into innovative software solutions that drive value for customers.
• Tackle complex problems and unknowns with confidence, acting as a capable generalist who can adapt and contribute across the tech stack and jump into new challenges as they arise.
• Participate in code reviews, mentor junior developers, and contribute to the overall architecture and technical direction of the team.
• Work cross-functionally within a tight-knit team, ensuring alignment with product vision and delivering features that enhance the overall user experience.

Ideal Candidate

• 5+ years of proven fullstack development experience with a strong command of React, Python, and ideally Go, particularly in building web applications and APIs.
• Deep understanding of cloud infrastructure, especially within the AWS ecosystem (e.g., EC2, S3, Lambda, RDS), with experience in deploying and scaling applications in a cloud environment.
• Proficiency in modern frontend development with React and TypeScript, demonstrating a strong ability to build intuitive, responsive interfaces while maintaining a keen focus on user experience.
• Exceptional problem-solving skills, comfortable taking on unfamiliar challenges and adapting quickly to new technologies or problems.
• Excellent collaboration and communication skills, able to work cross-functionally with business stakeholders, product teams, and other developers to translate business needs into software solutions.
• A self-starter and generalist mindset, capable of wearing multiple hats in a smaller company environment, and willing to tackle tasks outside your primary skill set when necessary.

Compensation and Benefits

• Salary Range: $150,000 - $225,000
• Equity: May be provided as part of the compensation package.
• Benefits: Excellent benefits including medical, dental, vision, mental and reproductive health, 401K, equity, Flex Fridays, Remote Friendly, unlimited and mandatory PTO, and more.

Work Environment

This is a hybrid role that requires in-office presence 3 days a week: Monday, Wednesday, and Thursday. The preferred primary location is within commuting distance to San Francisco.

Equal Opportunity

Density provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.