About Loop
Loop AI is a San Francisco–based tech company founded in 2022. We provide a Delivery Intelligence Platform for data-driven digital food brands, helping them optimize operations and make informed decisions. Loop is at the forefront of food-tech innovation, building solutions that power the future of digital-first restaurants.

About The Role
We are looking for a Senior Software Engineer (SDE III) with 6+ years of backend engineering experience to join our fast-growing team. This role is ideal for someone who thrives in a startup environment, has a strong sense of ownership, and can design, build, and scale backend systems from the ground up.

At Loop, you will play a critical role in shaping our backend architecture, driving technical excellence, and mentoring peers, while also engaging with customers to ensure our solutions address real-world challenges in the food-tech space.

Key Responsibilities

• System Architecture: Design and implement scalable backend system architecture to support current needs and long-term vision. Drive system performance, scalability, and reliability improvements across services. Establish engineering best practices for code quality, testing, CI/CD, and monitoring. Collaborate closely with product and leadership to align technology strategy with business goals
• Critical Thinking & Problem Solving: Apply first-principles thinking to solve complex technical challenges. Challenge existing assumptions and propose innovative, practical solutions. Evaluate trade-offs between speed and scalability, balancing short-term deliverables with long-term architecture goals
• Team & Mentorship: Provide technical mentorship to mid-level and junior engineers. Review code and contribute to fostering a high-quality engineering culture. Take ownership of projects, driving them from conception to deployment
  
  
  
  
  

Must-Have

• 7+ years of professional experience building and scaling backend systems
• Deep expertise in Python, Django, PostgreSQL (or similar backend stack)
• Proven ability to architect, design, and optimize backend services in production environments
• Hands-on experience with cloud platforms (preferably GCP), data pipelines, and orchestration tools like DBT
• Strong debugging, troubleshooting, and performance optimization skills
• Self-starter with ownership mentality, capable of driving projects independently in a fast-paced startup setting
  
  
  
  
  

Nice-to-Have:

• Exposure to frontend technologies (React / JS frameworks) with willingness to learn
• Experience building customer-facing products in B2B SaaS or food-tech / logistics platforms
• Demonstrated ability to mentor engineers and contribute to scaling engineering teams
• Strong product sense, with curiosity and passion for solving real-world customer problems
• A mindset focused on quality, continuous learning, and customer delight
  
  
  
  
  

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.