Senior/Staff Software Engineer - Backend/Python

About the Role

We are seeking a Senior/Staff Software Engineer to join our backend team. This is a fully remote position open to candidates based in the USA. You will be working with a talented team to design, implement, and scale major systems and user-facing features.

Responsibilities

• Design, build, and launch new user-facing features.
• Improve the performance and scalability of our GraphQL and REST API.
• Enhance our internal messaging infrastructure using streaming technologies like Kafka and Redis.
• Work with Twilio's API, WebSockets, and WebRTC to improve our calling features.
• Build user-facing analytics features that provide actionable insights based on sales activity data.
• Participate in code reviews and provide overall code quality suggestions.

Requirements

• 5+ years of experience building modern back-end systems.
• Proficiency in Python; experience with Flask is a plus.
• Hands-on production experience with MongoDB, PostgreSQL, Elasticsearch, or similar data stores.
• Experience designing, scaling, debugging, and optimizing systems.
• Comfortable working in a fast-paced environment with a small and talented team.
• Located in the USA.

Bonus Points

• Experience with open source contributions related to our tech stack.
• Experience leading small project teams.
• Experience building B2B SaaS products.
• Experience with complex architectures that support multiple APIs (e.g., REST, GQL, WebSockets).

About Us

Close is a bootstrapped, profitable, 100% remote company with a team of ~90 individuals who value autonomy and impact. We focus on building a CRM that enhances communication without the hassle of manual data entry or complex UI. Our goal is to double the productivity of every sales rep.

Our Values

• Build a house you want to live in: Long-term thinking and action.
• No BS: Practice transparency and honesty.
• Invest in each other: Build successful relationships with coworkers and customers.
• Discipline equals freedom: Keep your word to yourself and others.
• Strive for greatness: Constantly challenge yourself and others.

How We Work

• Productivity, Quality & Impact: We don’t track hours. We trust you to prioritize, meet your goals, and contribute at a high level.
• Asynchronous communication & collaboration: We have team members all over the world. Our default is async communication.
• Appreciation for Deep Work: Focus during your normal workday, not after a day of meetings.
• Autonomy & Freedom: Create a sustainable work environment for yourself. We place a high amount of trust and responsibility with our team members from the start.

Join us and help build a product that our customers love!

Application Process

Our application process is designed to promote equitable and unbiased hiring practices. We ask a small series of questions similar to what would be asked in the first interview. Each application will receive two screens by two different reviewers. Regardless of fit, you will hear back from us letting you know if we'll be moving forward.