Senior iOS Engineer

<p style="min-height:1.5em"><strong>Description</strong></p><p style="min-height:1.5em">Jump is transforming the live sports experience with the only end-to-end fan engagement platform built specifically for sports teams and venues. By focusing on aligned incentives between teams and fans, our platform unifies ticketing, merchandise, and game day operations - creating a smoother, more fan-friendly experience.</p><p style="min-height:1.5em">Founded in 2021 by e-commerce innovator Marc Lore, MLB legend Alex Rodriguez, and entrepreneur Jordy Leiser, we’ve raised $60 million from top investors including Alexis Ohanian’s Seven Seven Six and Forerunner Ventures. Our platform powers teams across the NBA, WNBA, and NWSL helping them boost ticket sales and deliver innovative fan experiences.</p><p style="min-height:1.5em">We’re a remote-first team driven by core values - begin and build with trust, play like the underdog, win as a team, and do your thing. If you’re collaborative, adaptable, and eager to shape the future of live sports, Jump is the place for you.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>The Role</strong></p><p style="min-height:1.5em">We’re looking for a Senior iOS Engineer to help build and evolve Jump’s mobile apps. You’ll be an early member of our mobile team, contributing hands-on to core features, architecture, and technical direction as our app and platform scale.</p><p style="min-height:1.5em">Our mobile stack uses Kotlin Multiplatform (KMP) for shared data and domain layers, with a native SwiftUI layer on iOS. In this role, you’ll write production Kotlin Multiplatform code and own the iOS user experience working across the full mobile stack to deliver high-quality, fan-facing features. You’ll collaborate closely with other mobile engineers, product managers, and designers to ship thoughtful experiences to a passionate and growing sports audience.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>What You’ll Do</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Take ownership of end-to-end development for key mobile features, from concept through deployment</p></li><li><p style="min-height:1.5em">Address and resolve bugs across both shared platform code (Kotlin) and native iOS code (Swift)</p></li><li><p style="min-height:1.5em">Write clean, maintainable, and well-documented code, including robust unit tests to ensure features work reliably at scale</p></li><li><p style="min-height:1.5em">Partner closely with product managers, designers, and other engineers to understand requirements, provide feedback, and deliver thoughtful fan-facing experiences</p></li><li><p style="min-height:1.5em">Identify and implement technical improvements to optimize app performance, stability, and scalability</p></li><li><p style="min-height:1.5em">Share your iOS expertise with the team, contributing to a strong culture of knowledge sharing and continuous improvement</p></li><li><p style="min-height:1.5em">Leverage AI-assisted tools to prototype features, refactor code, and analyze performance issues, validating outputs through testing and code review best practices</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>What You’ll Bring</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">5+ years of hands-on experience building and shipping high-quality mobile applications</p></li><li><p style="min-height:1.5em">Strong proficiency in Swift</p></li><li><p style="min-height:1.5em">Experience using or interest in learning Kotlin or Kotlin Multiplatform</p></li><li><p style="min-height:1.5em">Experience architecting mobile applications and making sound technical tradeoffs</p></li><li><p style="min-height:1.5em">Experience building consumer-facing mobile apps, ideally used by a large and engaged audience</p></li><li><p style="min-height:1.5em">A detail-oriented approach to testing (unit, integration, and performance)</p></li><li><p style="min-height:1.5em">Experience using AI-assisted development tools (e.g., code generation, debugging, or review tools) as part of your day-to-day workflow, with an understanding of their strengths, limitations, and appropriate use in production environments.</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Nice-to-Have Skills</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Proficiency with GraphQL (e.g., Apollo)</p></li><li><p style="min-height:1.5em">Familiarity with CI/CD tools (e.g., CircleCI)</p></li><li><p style="min-height:1.5em">Experience with multi-tenant and/or white-label mobile applications</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Attributes that will make you successful on our team</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">A strong desire to learn. You continually look for ways to build your skills.</p></li><li><p style="min-height:1.5em">Tenacity. You enjoy working on challenges that others can’t or don’t want to tackle and you aren’t afraid of failing fast in order to find better solutions.</p></li><li><p style="min-height:1.5em">Passion. You love using your technical skills to build products that solve real problems. You hold yourself to a high standard and help to elevate others as well.</p></li><li><p style="min-height:1.5em">Empathy. You thrive in an environment where everyone can truly be themselves. You understand that our differing life experiences influence who we are and how we show up, and these diverse perspectives enrich both our team and our product.</p></li><li><p style="min-height:1.5em">Customer-centric mindset. You can understand the problem to be solved and who we are solving it for.</p></li><li><p style="min-height:1.5em">Innovation: Passion for exploring and implementing AI technologies to enhance automation, optimize workflows, and drive innovation</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Benefits</strong></p><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Remote first</p></li><li><p style="min-height:1.5em">Competitive salary and equity</p></li><li><p style="min-height:1.5em">Flex PTO policy</p></li><li><p style="min-height:1.5em">401(k)</p></li><li><p style="min-height:1.5em">Generous medical, dental and vision plans</p></li><li><p style="min-height:1.5em">16 weeks paid parental leave for primary and secondary caregivers</p></li><li><p style="min-height:1.5em">$1,000 reimbursement for work-from-home tech setup</p></li><li><p style="min-height:1.5em">Company-paid sustainability subscription to ensure carbon neutrality is maintained for employee activities, such as travel</p></li></ul><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Compensation</strong></p><p style="min-height:1.5em">Compensation is something we don’t want our candidates or employees to worry about. Our goal is to offer competitive salaries that are regularly benchmarked against the market. The core tenets of our compensation philosophy are fairness and transparency.</p><p style="min-height:1.5em">We have established a standardized leveling framework based on job scope and responsibilities. The compensation package for each level is standard across all engineering roles. This means that every person at a certain level is paid the same as everyone else, regardless of their background, previous compensation, location, or any other factor.</p><p style="min-height:1.5em">The compensation for this role is $170,000-185,000 and includes a generous equity package.</p><p style="min-height:1.5em"></p><p style="min-height:1.5em"><strong>Application</strong></p><p style="min-height:1.5em">Some candidates may see the requirements and feel unsure that they match all the criteria. We encourage you to apply! There's a good chance you have important skills that we have not stated. We especially encourage members of traditionally underrepresented communities to apply, including women, nonbinary folx, people of color, members of the LGBTQ community, veterans, and people with disabilities. We’re committed to building an inclusive workplace where everyone can bring their authentic self and thrive, and we value the diversity brought by different life experiences.</p>

Back to blog

Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...