Software Engineer II

Posted Yesterday
Costa Mesa, CA, USA
In-Office
125K-155K Annually
Mid level
eCommerce • Logistics • Software • 3PL: Third Party Logistics
The Role
Mid-level backend-focused software engineer responsible for building and maintaining production-ready backend logic, APIs, data models, background jobs, and integrations. Troubleshoots production issues, collaborates with product and design, estimates and delivers features, and owns component-level implementations. Remote role requiring US hours and occasional support/after-hours availability.
Summary Generated by Built In

About Flowspace:
Flowspace powers independent fulfillment, revolutionizing the way brands approach their supply chain. Our mission is to arm merchants with invaluable data, actionable insights, and seamless automation that transforms their supply chain into a strategic asset.
At Flowspace, we lead the industry with our award-winning, top-tier fulfillment solutions. Powered by cutting-edge software that offers unparalleled visibility and strategic insights, the Flowspace platform has been tailored for the tech-savvy modern brands and retailers of today. Our innovative approach redefines fulfillment excellence, setting new standards in the ever-evolving tech landscape.
Join us as we shape the future of ecommerce and retail fulfillment. Backed by renowned investors such as Canvas Ventures, Moment Ventures, BuildGroup, Y Combinator, and esteemed angels, Flowspace is at the forefront of empowering brands in the dynamic $1 trillion ecommerce market to exceed customer expectations with seamless post-purchase experiences.
Summary:

A Software Engineer II is a strong mid-level contributor who consistently delivers high-quality, production-ready code and begins to influence technical direction and project execution. They are growing beyond task-based execution, showing initiative in breaking down complex problems, participating in design discussions, and making architecture-conscious decisions. They are seen as reliable and increasingly trusted to own small projects or components from concept to deployment.

This role is especially well suited for engineers with strong backend experience who enjoy building reliable application logic, APIs, data models, integrations, and operational workflows. While some frontend work in React may come up, we’re primarily looking to strengthen our backend capacity, so comfort with Rails, relational databases, background jobs, and production debugging will be especially valued.

What You'll Do:

  • Write, test, and ship production-quality code regularly, with a focus on maintainability, performance, reliability, and business impact.
  • Use AI-assisted development tools responsibly to accelerate development, debugging, testing, and code quality.
  • Build and maintain backend application logic, APIs, service objects, data models, background jobs, and integrations.
  • Begin to take ownership over feature-level or component-level implementation, including delivery and post-release support.
  • Collaborate with product managers, designers, and fellow engineers to translate business goals into reliable technical solutions.
  • Troubleshoot and debug production issues, participating in support escalations as needed.
  • Regularly estimate tasks and deliver within those estimates with increasing accuracy and independence.
  • Show judgment in prioritizing tasks and understanding trade-offs.

Who We're Looking For:

  • 4–6 years of professional experience building web applications.
  • Strong backend development experience, preferably with Ruby on Rails or a similar web framework.
  • Experience designing and maintaining APIs, service objects, data models, background jobs, and integrations.
  • Working knowledge of relational databases, SQL, data modeling, and debugging production data issues.
  • Comfort working across the stack when needed, including reading and making small changes in JavaScript/React.
  • Proficiency in Git, modern CI workflows, automated testing, and production debugging practices.
  • Strong communication skills and ability to thrive in a remote, asynchronous environment.

Bonus Points:  

  • Experience integrating with third-party systems, external APIs, webhooks, or other business-critical services.
  • Prior experience in logistics, warehousing, or ecommerce platforms is a plus.

Other Helpful Things to Know:

  • Must work US hours.
  • Occasional support duties may require availability until 8pm Eastern / 5pm Pacific.
  • This is a 100% remote position; employees must be comfortable working across time zones and using tools like Slack and Zoom for daily collaboration.
  • Up to 5% travel for team gatherings or company events.

The base salary range for this role is $125,000- $155,000 per year. Compensation packages are based on factors unique to each candidate, including but not limited to skill set, certifications, and specific geographical location.

Skills Required

  • 4-6 years of professional experience building web applications
  • Strong backend development experience
  • Experience with Ruby on Rails or a similar web framework
  • Experience designing and maintaining APIs, service objects, data models, background jobs, and integrations
  • Working knowledge of relational databases, SQL, data modeling, and debugging production data issues
  • Comfort working across the stack, including reading and making small changes in JavaScript/React
  • Proficiency in Git, modern CI workflows, automated testing, and production debugging practices
  • Strong communication skills and ability to thrive in a remote, asynchronous environment
  • Must work US hours
  • 100% remote work
  • Occasional support availability until 8pm Eastern / 5pm Pacific
  • Experience integrating with third-party systems, external APIs, or webhooks
  • Prior experience in logistics, warehousing, or ecommerce platforms
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The Company
0 Employees
Year Founded: 2017

What We Do

Flowspace is an ecommerce fulfillment platform that combines a nationwide warehouse network with powerful logistics software, including its cloud-based OmniFlow platform and FlowspaceAI. The company provides brands with real-time visibility into inventory and orders, offering omnichannel fulfillment solutions to ensure consistently fast and efficient delivery from every channel.

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