Senior Software Engineer – Scale Real-Time Commerce (Remote)

Whatnot; Los Angeles (CA); Hybrid; USD 170,000 - 230,000; Full time

Benefits offered by this job

Health Insurance

Work From Home

401k matching

Parental Leave

Dogfooding budget

Job summary

Whatnot in the United States is seeking a Senior Software Engineer to own design and delivery of scalable product and platform systems powering a fast-growing marketplace. You will partner with Product, Design, Data, and Engineering to turn ambiguous problems into reliable, maintainable solutions across buyer and seller experiences.

Our distributed teams value speed and quality, operate large backend and frontend systems in Python, Elixir, and JavaScript, and offer flexible work from home with

Qualifications

• 5+ years of full-time software engineering experience.
• Experience building and operating scalable backend or full-stack systems in production.
• Track record of independently owning complex technical projects from design through launch.
• Experience breaking down ambiguous product or platform problems into practical technical solutions.

Responsibilities

• Design, build, and operate scalable distributed systems that power core marketplace experiences.
• Own complex technical projects from inception through production, balancing speed, reliability, and long-term maintainability.
• Break down ambiguous product and platform problems into clear technical solutions and drive them to completion.
• Lead the engineering execution of projects, coordinating with multiple engineers and cross-functional partners to deliver high-impact outcomes.
• Raise the technical bar through thoughtful code reviews, design discussions, operational excellence, and mentorship.
• Make pragmatic technical decisions that enable the team to move quickly while building for long-term scale.
• Continuously identify opportunities to improve developer velocity, system reliability, and customer experience.

Skills

Senior Software Engineer

Backend Systems

Distributed Systems

Leadership

Tools

Python

Elixir

JavaScript

Job description

Whatnot in the United States is seeking a Senior Software Engineer to own design and delivery of scalable product and platform systems powering a fast-growing marketplace. You will partner with Product, Design, Data, and Engineering to turn ambiguous problems into reliable, maintainable solutions across buyer and seller experiences.

Our distributed teams value speed and quality, operate large backend and frontend systems in Python, Elixir, and JavaScript, and offer flexible work from home with