Software Engineer, Ruby on Rails

Depending on your experience level, you’ll:

Build and scale production-grade web applications and APIs using Ruby on Rails.

Collaborate cross-functionally with product, design, and business teams to deliver impactful solutions.

Own features end-to-end — from technical design and implementation to deployment and monitoring.

Design and evolve architecture to ensure scalability, reliability, and performance.

Create clean, well-tested, maintainable code , with thoughtful attention to detail and edge cases.

Mentor teammates , conduct code reviews, and elevate engineering standards (for senior and staff levels).

Contribute to technical strategy and system design for key initiatives (for staff and team leads).

Continuously improve processes and tools to enable faster, higher-quality development.

We hire talented engineers across experience levels. Here’s how we think about it:

Professional experience building web applications or APIs.

Familiarity with Ruby on Rails or similar frameworks.

Solid understanding of SQL databases (we use Postgres/AWS Aurora).

Comfortable with Git, testing, and debugging.

Curious, eager to learn, and passionate about growing your skills.

Deep experience building scalable production systems in Ruby on Rails.

Strong understanding of API design, database schema design, and integrations.

Ability to take ownership of complex features and projects.

Excellent communication skills and a desire to mentor others.

Pragmatic problem-solver who balances speed, quality, and long-term sustainability.

Proven technical leadership experience in designing large-scale systems.

Expertise in Ruby on Rails and backend architecture.

Track record of mentoring, influencing technical direction, and driving key initiatives.

Strong sense of ownership and accountability for outcomes.

Strategic thinker who can simplify complex problems for others.

For Team Lead candidates, experience managing 2+ full-time employees.

Backend / API: Ruby on Rails

Database: Postgres / AWS Aurora

Web: Vue.js + REST

iOS: Native (Swift)

Android: Native (Kotlin)

Infrastructure: AWS (ECS), CircleCI for CI/CD

Competitive salary and equity in a high-growth, profitable company

Multiple health benefit options

401(k) with company match

Responsible Time Off policy

Opportunities and support for major career growth

Annual company offsite (“Mudfest!”)

Mudflap is on a mission to transform the trucking and logistics industry by leveling the playing field for owner-operators and small fleets. Backed by top-tier investors including QED, Matrix Partners, Commerce Ventures, NFX, and 500 Startups — and featured on the Forbes Fintech 50 — Mudflap helps small trucking businesses save money and grow.

Be Customer Obsessed : We deeply understand customer needs and put them at the center of everything we do. Make it Count : Act like an owner by focusing on the impact of your work. Find a Way : Be a creative problem solver who pushes past roadblocks to win for our customers and teammates. Sweat the Details : We keep our standards high and achieve them by paying attention to every detail. Be Curious : Use a growth mindset to question assumptions, take risks, and stretch the boundaries of what’s possible.