Senior Software Engineer, Web Platform

Major League Baseball is hiring a Senior Software Engineer for our Web Platform Architecture team. This team is responsible for architecting, building, and operating the foundational web platform that powers MLB.com and our entire suite of digital products. This includes our cloud infrastructure, CI/CD systems, edge computing layer, and the core services that enable our product engineering teams to deliver features safely, quickly, and at a massive scale for millions of users.

As a Senior Software Engineer on this team, you will play a pivotal role in shaping the reliability, scalability, and performance of our digital platforms by writing code and building systems. You will be a hands-on developer, creating core services in Node.js, building solutions on our edge network, engineering the automated infrastructure that underpins it all using Terraform, as well as experience building and maintaining CDNs across Fastly and Cloudflare. You will collaborate closely with cross-functional, results-oriented teams to enhance security, performance, and developer experience across our websites and services.

Responsibilities

• Develop and maintain core platform services, libraries, and tools in Node.js and TypeScript that improve developer experience and system-wide functionality
• Architect and implement solutions on our edge computing platform (e.g., Cloudflare Workers, Fastly Compute@Edge) to enhance performance, security, and reliability
• Design, build, and maintain the software and systems that power our CI/CD pipelines, enabling developers to ship code with confidence and speed
• Architect, maintain, and optimize our cloud infrastructure using Infrastructure as Code (IaC) principles (Terraform, Kubernetes)
• Drive continuous improvement initiatives to enhance system performance, reliability, observability, and security posture
• Automate manual processes to improve engineering team velocity and system reliability
• Mentor and provide technical guidance to software engineering teams, fostering a culture of innovation, collaboration, and continuous learning

Collaboration

• Participate in an agile environment
• Participate in the full software development life cycle (requirements gathering, designing, building, testing, and maintenance)
• Proactively seek constructive criticism of your own work and offer constructive feedback to others in a way that raises people up and builds relationships
• Participate in and lead triage efforts during production incidents, including managing on-call rotations and post-mortems

Technology Leadership

• Lead and take ownership of critical platform features and your own initiatives
• Stay abreast of emerging technologies, trends, and industry standards related to backend development, cloud infrastructure, automation, and security
• Mentor and coach engineers in your team and across the organization to build a strong engineering-focused culture
• Influence the way that baseball is consumed by millions of users worldwide

Qualifications & Skills

• Bachelor’s degree in Computer Science, Software Engineering, or a comparable field of study, and/or equivalent work experience
• 5+ years of professional software development experience, with a significant focus on backend services, web platforms, or infrastructure engineering
• Strong proficiency in modern programming languages, particularly Node.js and TypeScript, for building backend services and tools
• Proven experience developing for edge computing platforms (e.g., Cloudflare Workers, Fastly Compute@Edge)
• Deep experience with cloud-native tooling such as Kubernetes, Docker, and Terraform
• Experience with at least one major Cloud platform (Google Cloud, AWS, or similar)
• Expertise in designing and building CI/CD solutions (e.g., Github Actions, Tekton)
• Experience with CDNs such as Cloudflare and Fastly and proxy technologies such as HAProxy or Nginx
• Strong background in monitoring and observability tools (e.g., Prometheus, Grafana, Datadog)

Preferred Qualifications

• Experience with Google Cloud
• Experience with HAProxy and the Fastly CDN
• Experience in full-stack JavaScript dev