Job Title: Sr. Full Stack Engineer

Company Name: Topechelon

Job Url: https://careers.topechelon.com/portals/1c408b59-8d62-4123-8ed6-f4c9e5f55163/jobs/601cc7af-5b8f-45a0-82d2-e8e624075ba1?jr_id=69cd9a2e54f00230c6cf4863

Job Description: Sr. Full Stack Engineer
Los Angeles, California
ID
j-11782
Job Type
Direct Hire
Remote Type
Full Remote
Compensation
$140000 - $180000 / yr
This role requires candidates who are currently authorized to work in the U.S. without sponsorship, and C2C arrangements are not accepted. This role is remote.
 
Overview
We are seeking a highly driven and technically versatile Sr. Full Stack Engineer to take ownership of a custom-built e-commerce platform. This individual will be responsible for maintaining, enhancing, and evolving a proprietary system that powers complex, multi-tenant online storefronts.
This is a high-impact, autonomous role where you will act as the primary technical owner of a live platform while also helping shape its future direction. The ideal candidate thrives in a self-directed environment and enjoys building, improving, and scaling real-world products.

Key Responsibilities
 
Platform Ownership & Development
Take full ownership of an existing e-commerce platform
Maintain, troubleshoot, and optimize platform performance and reliability
Implement new features and enhancements based on business needs
Manage and evolve a centralized product database powering multiple storefronts
Ensure seamless integration with third-party services (e.g., payment processing, inventory systems)
Enhancement & Innovation
Translate business ideas into technical solutions and product improvements
Contribute to the platform roadmap and recommend scalable solutions
Improve automation, performance, and user experience
Implement front-end updates (HTML, CSS, layouts) based on design inputs
System Management
Monitor system health and proactively resolve issues
Collaborate with external partners for knowledge transfer when needed
Maintain documentation and ensure system continuity
Technology Environment
Backend: Ruby on Rails (or similar web frameworks)
Cloud: AWS (or equivalent)
Payments: Stripe or similar integrations
Frontend: HTML, CSS, JavaScript
E-commerce / multi-store architecture
API integrations and open-source tools
Qualifications Required
Strong experience with full-stack development (backend + frontend)
Proficiency in modern web frameworks (Ruby on Rails preferred)
Experience with cloud platforms (AWS or similar)
Experience integrating third-party APIs and services
Ability to independently manage and improve production systems
Strong problem-solving skills and ability to work autonomously
Preferred
Experience with e-commerce platforms or marketplace systems
Familiarity with payment systems (Stripe or similar)
Experience working in small teams or high-ownership environments
Exposure to scalable or multi-tenant architectures
Ideal Candidate Profile
Self-starter with strong ownership mentality
Comfortable being the primary technical resource on a platform
Able to balance hands-on execution with forward-thinking improvements
Thrives in a fast-moving, less structured environment
Interested in building and evolving a product over time

What This Role Offers
High autonomy and direct impact on product direction
Opportunity to own and shape a growing platform
Flexible, remote-friendly work environment
Exposure to both maintenance and new feature development
Close collaboration with business stakeholders and decision-makers
Additional Notes
This is an individual contributor role
The role begins with hands-on execution and evolves into greater platform influence over time
Ideal for engineers who enjoy ownership without needing a large team or corporate structure





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