Senior iOS Engineer

Senior iOS Engineer

Join to apply for the Senior iOS Engineer role at Mudflap.

Mudflap serves the $800B trucking industry, the backbone of the U.S. economy. Our market‑leading payment products help truckers save thousands of dollars on fuel (their #1 business expense), while providing our fuel stop partners with access to new, hard‑to‑reach customers. We’re a fast‑growing marketplace business looking for an exceptional engineer to join our transactions and payments team.

As a Senior iOS Engineer at Mudflap, you’ll lead the development of features that directly impact how drivers manage their business on the road. You'll take ownership of critical app functionality, work closely with a tight‑knit team to turn ideas into polished product experiences, and contribute to the evolution of our mobile platform. This is a hands‑on role where your work will have immediate impact in a fast‑paced, customer‑focused environment.

Work Location

Fully remote. While we operate across multiple time zones, most collaboration happens during Pacific Time working hours. Candidates should be able to work a schedule aligned with the PT time zone.

Expectations (In this role, you will)

• Play a key role in shaping the mobile experience for over a hundred thousand truckers nationwide
• Collaborate with Product, Design, and Backend teams to build features that solve real‑world problems in the logistics and transportation space
• Own the design, development, and maintenance of core features in our iOS app, written in Swift and SwiftUI
• Work cross‑functionally with backend engineers to define API requirements and ensure seamless mobile performance
• Help architect scalable solutions and contribute to the evolution of our mobile platform
• Drive initiatives to improve code quality, app performance, and developer productivity
• Use data and user feedback to iterate quickly and deliver impactful features
• Help shape best practices and champion a culture of quality and continuous improvement

Experience (What we look for)

• Hands‑on Senior iOS Engineer who has built and supported a complex, production‑grade app that serves thousands of users/customers
• At least 7+ years experience building and maintaining advanced iOS apps. Proficient in Swift
• Working knowledge of SwiftUI in building user interfaces leveraging reactive programming frameworks such as Combine or RxSwift
• Extensive and strong understanding of iOS framework, components, and current/latest platform features
• Familiarity and experience with iOS tools and ecosystem for development, automated testing, and debugging
• Strong product mindset: shipping consistently without incurring excessive carrying cost
• Passion for your craft and enthusiasm for bringing better practices to the teams you work with

Our Stack

• Backend/API – Ruby on Rails 6.1
• Database – PostgreSQL
• iOS – Native (Swift)
• Android – Native (Kotlin)
• Hosted on – AWS, deployed as containers on ECS
• CI/CD – Bitrise

Perks and Benefits (What we offer)

• Competitive salary and equity in a high‑growth startup
• Multiple health benefit options
• Responsible Time Off
• 401(k) matching
• Opportunities and support for major career growth
• Annual Company offsite event (Mudfest!)

The salary range for this role is $180,000 – $215,000. This information reflects a base salary range for this position based on current market data, which may be subject to change as new market data becomes available. The candidate's skills, experience, and other relevant factors will determine the exact compensation.

Company Overview (Who we are)

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 venture investors, including QED, Matrix Partners, Commerce Ventures, NFX, and 500 Startups and included in the Forbes Fintech 50 list, Mudflap offers fleet fuel management solutions. Our core team hails from Disney, Uber, Procore, DoorDash, Google, Meta, Capital One, and Brex.

Core Values

• Be Customer Obsessed: We deeply understand customer needs and put our customers 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 our 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 calculated risks and stretch the boundaries of what’s possible

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Engineering and Information Technology

Industries

Transportation/Trucking/Railroad