Software Engineer, Fan Identity
Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Oct 29, 2026. Major League Baseball scores B on the Alion truth index.
Major League Baseball is looking for a Software Engineer, Fan Identity to build and operate core platforms that power MLB’s business across fan platforms. The Fan Identity Team is responsible for architecture, securing, and managing the digital identities of millions of fans across a massive digital ecosystem (ticketing apps, e-commerce stores, streaming platforms, and ballpark-related apps). This team is also responsible for how fan data is aggregated, stored, and compliant with global privacy laws. We care about security along with high throughput, reliability, performance, and a culture of thoughtful engineering, learning, and mentorship.
You’ll become a key contributor on our team, building and owning production applications and services that power fan platforms and collaborating closely within an agile team to deliver best-in-class solutions. The ideal candidate is a self-motivated engineer with strong experience in application development and a proven ability to learn quickly and deliver high-quality results.
Responsibilities
- Develop production applications: Build and maintain services and user interfaces using core technologies such as Java, Spring Boot, TypeScript, React, PostgreSQL, Queues, Google Cloud, Kubernetes, and more
- Maintain and debug software: Instrument applications with logs, metrics, and traces. Use them to diagnose and resolve production issues. Build dashboards and alerts, and participate in a minimally interruptive on call rotation
- Collaborate and communicate: Contribute across the full software development lifecycle. Planning, requirements gathering, design, development, testing, and maintenance. Provide thorough code reviews, seek feedback on your own work, and partner with product owners to ensure a strong user experience and right sized scope
- Continuously improve quality: Add unit and integration tests, fix bugs, reduce technical debt, and stay current with evolving technologies
- Keep learning: Seek feedback, pair program, and grow skills across our stack, including backend, frontend, data, and cloud
Qualifications & Skills
- 3+ years of professional experience designing, building, and maintaining large-scale, full stack systems
- Proficiency in at least one modern language such as Java, Python, TypeScript and Node, or Go
- Demonstrated proficiency using a modern JavaScript framework
- Hands on experience in Web APIs and Git
- A strong foundation with relational databases such as PostgreSQL and writing simple queries
- Excellent problem solving and communication skills, with a passion for collaborating in a fast paced, agile environment
- Exposure to containers and cloud concepts, or eagerness to learn quickly
Core Traits
- Results-oriented: You work with your team to clarify ambiguous tasks, design and implement solutions efficiently, and communicate progress, challenges, and blockers effectively
- Technically strong: You have broad and deep technical knowledge, capable of building applications end-to-end from UI to database. You understand web application and microservice architectures and know when to apply transactional vs. eventual consistency models
- Learner’s mindset: You’re always seeking to learn, ask thoughtful questions, and act quickly on feedback
- Collaborative teammate: You communicate clearly and respectfully, foster a supportive team environment, and handle differing opinions with professionalism and openness
- AI-augmented, not AI-dependent: You use AI tools to assist, not replace, thoughtful engineering and human judgment
- Ownership and accountability: You take pride in your work, feel a deep sense of ownership, and reflect on both successes and setbacks to continually improve
Preferred Skills
- Cloud Platforms: Hands on experience with Google Cloud Platform
- Caching: Knowledge of Redis or Valkey
- Asynchronous Messaging: Familiarity with message brokers like ActiveMQ, Kafka, or RabbitMQ
- Content Delivery Networks (CDNs): Experience with Fastly, Cloudflare, or Akamai
- Customer Identity and Access Management (CIAM): Deploying and managing Customer Identity and Access Management platforms
Salary Range: $120,000 - $155,000 (Base Salary) + Bonus
As a candidate for this position, your salary and related aspects of compensation will be contingent upon your work experience, education, skills, and any other factors 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.
Top MLB Perks & Benefits
- Competitive Benefits Package
- Company 401K Contribution
- Paid Time Off and Holidays
- Paid Parental Leave
- Access to Free Tickets to Baseball Games & MLB.TV
- Discounts at MLB Store | MLBShop.com
- Employee Assistance Programs (EAP)
- Onsite/Online Training & Development Programs
- Tuition Reimbursement
- Disability Benefits (short term and long term)
- Life and Accidental Death Insurance
- Pet Insurance
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.
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Are you ready to Step Up to the Plate? Apply below!