Skip to main contentA logo with &quat;the muse&quat; in dark blue text.

Senior iOS Engineer

New York, NY


Major League Baseball is looking for an experienced Senior Software Engineer to join our dynamic, fun, and challenging team. MLB is responsible for some of the most popular sports app in the world. Our Growth, Innovation, and Fan Engagement (GIF) team develops and delivers unique content and features to our flagship products (primarily MLB App,, and MiLB App) beyond the daily scope of our core teams. They accomplish this through fan-centric experimentation with new features and strategies.


The Senior Software Engineer will support GIF Engineering by participating in all aspects of the software development cycle, including design, development, testing, building, deployment, monitoring several applications and environments, with a focus on the iOS applications. Additionally, your designs and implementation will improve system reliability, resilience and performance through new features, services and architectures.

Want more jobs like this?

Get Software Engineering jobs in New York, NY delivered to your inbox every week.

By signing up, you agree to our Terms of Service & Privacy Policy.


Our ideal candidate has extensive experience in iOS and web architecture, with persuasion skills to help align the team to continuously improve our software, systems and software architecture. In our collaborative environment, you will also be responsible for peer review, documentation and associate mentorship.  Preferred candidates excel in communicating ideas in writing, diagrams, code and words. We work hard and you’re expected to bring your A game focus, positivity and can-do attitude everyday.

Core Responsibilities

  • Application architecture with a focus on simplicity, stability, performance
  • Systems architecture focused on scalability, reliability and security
  • Ensure client reliability under load, or degradation
  • Advise and help direct build infrastructure and continuous integration
  • Monitor and debug applications
  • Collaborate with a team of extraordinary engineers and technologists
  • Participate in the full lifecycle of software development (requirements gathering, designing, building, testing and maintenance)
  • Help shape the way fans interact with baseball with machine learning, augmented reality, virtual reality, voice control, and more!


Required Qualifications

  • 8+ years of overall software development experience
  • Development with large, collaborative codebases
  • Knowledge of object-oriented design patterns
  • Extensive experience with core iOS frameworks
  • Deep understanding of mobile, client-side, rest ReST
  • Understanding of performance testing, unit testing and quality assurance
  • Working across multiple teams to guide outcomes
  • Experiencing mentoring engineers

Minimum Qualifications

  • Computer science/engineering degree --or-- equivalent experience
  • Strong Swift/Objective C experience
  • Experience with multiple programming languages

Preferred Qualifications

  • SwiftUI, GraphQL & server-driven application architecture experience
  • BS Computer Science / Information Systems
  • MS or Graduate Level coursework credit
  • Experience with source code management/continuous integration (CI): GitHub
  • Knowledge with continuous delivery (CD): Jenkins, GitHub Actions
  • Familiarity with DataDog, Firebase, Google Cloud Platform
  • Familiarity with composable architecture and best practices around large-scale development
  • Knowledge of ads and analytics integrations

Why MLB?

Major League Baseball (MLB) is the most historic of the major professional sports leagues in the United States and Canada. Employees love working at MLB because of the culture of growth, teamwork, and professionalism. Employees who are most successful at MLB take initiative, know how to identify problems and provide solutions, and always put the Team first. For those ready to step up to the plate and join the Major Leagues, MLB takes the same approach as teams do with their players: empowering our “workforce athletes” to be at their best by engineering experiences that put employees in the best position to succeed. Major League Baseball is looking for candidates who are passionate about growing America’s pastime to best serve its fans for decades to come.
MLB’s vision is to be the global sport of choice for youth to play, fans of all backgrounds to enjoy and a desired destination for employment. With a belief that the journey to growth and greatness is ongoing, MLB gives employees the opportunity to continue learning and honing their skills with programs such as: tuition reimbursement; mentorship programs; lunch and learns; online course subscriptions; paid industry certifications; business resource groups; and more.
MLB provides its employees with exceptional medical, dental, and vision coverage. Premiums are 100% employer covered to help employees focus on being their best!
Major League Baseball is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you have a disability or special need that requires accommodation, please let us know.
Are you ready to Step Up to the Plate? Apply below!

Per the CO pay transparency law, the hiring range for this position is $135,000 to $175,000
As a candidate for this position, your salary and related elements of compensation will be contingent upon your work experience, education, skills and any other factors Major League Baseball (MLB) considers relevant to the hiring decision. In addition to your salary, MLB believes in providing a competitive compensation and benefits package for its employees. MLB offers employees a full range of best in class benefits with no employee contributions towards medical, dental, and vision coverage premiums, as well as incentive and recognition programs, life insurance and automatic employer 401k contributions. All benefits are subject to eligibility requirements and the terms of official plan documents which may be modified or amended from time to time.

Client-provided location(s): New York, NY, USA
Job ID: 5401646
Employment Type: Other