Jump · 1 day ago
Senior iOS Engineer
United States
Full-time
Remote
Senior Level
$185K/yr - $185K/yr
6+ years expJump is transforming the live sports experience with its fan engagement platform designed specifically for sports teams and venues. They are seeking a Senior iOS Engineer to help build and evolve their mobile apps, contributing to core features and technical direction as the platform scales.
Customer ServiceInformation ServicesSoftware
Responsibilities
Take ownership of end-to-end development for key mobile features, from concept through deployment
Address and resolve bugs across both shared platform code (Kotlin) and native iOS code (Swift)
Write clean, maintainable, and well-documented code, including robust unit tests to ensure features work reliably at scale
Partner closely with product managers, designers, and other engineers to understand requirements, provide feedback, and deliver thoughtful fan-facing experiences
Identify and implement technical improvements to optimize app performance, stability, and scalability
Share your iOS expertise with the team, contributing to a strong culture of knowledge sharing and continuous improvement
Leverage AI-assisted tools to prototype features, refactor code, and analyze performance issues, validating outputs through testing and code review best practices
Qualification
Required
6+ years of hands-on experience building and shipping high-quality mobile applications
Strong proficiency in Swift
Experience using or interest in learning Kotlin or Kotlin Multiplatform
Experience architecting mobile applications and making sound technical tradeoffs
Experience building consumer-facing mobile apps, ideally used by a large and engaged audience
A detail-oriented approach to testing (unit, integration, and performance)
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
Preferred
Proficiency with GraphQL (e.g., Apollo)
Familiarity with CI/CD tools (e.g., CircleCI)
Experience with multi-tenant and/or white-label mobile applications
Benefits
Remote first
Competitive salary and equity
Flex PTO policy
401(k)
Generous medical, dental and vision plans
16 weeks paid parental leave for primary and secondary caregivers
$1,000 reimbursement for work-from-home tech setup
Company-paid sustainability subscription to ensure carbon neutrality is maintained for employee activities, such as travel
Company
Jump
Jump is a technology enterprise software platform.
11-50 employees
H1B Sponsorship
Jump has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (2)
Funding
Current Stage
Early StageTotal Funding
$53MKey Investors
Forerunner
2025-08-12Series A· $23M
2023-03-01Series A· $30M
Leadership Team
Jordy Leiser
Co-Founder and CEO
Recent News
alleywatch.com
2025-10-11
thesaasnews.com
2025-08-16
2025-08-15
Company data provided by crunchbase