Job Description
hackajob is collaborating with PrizePicks to connect them with exceptional professionals for this role. At PrizePicks, we are the fastest-growing sports company in North America, as recognized by Inc. 5000. As the leading platform for Daily Fantasy Sports, we cover a diverse range of sports leagues, including the NFL, NBA, and Esports titles like League of Legends and Counter-Strike. Our team of over 550 employees thrives in an inclusive culture that values individuals from diverse backgrounds, regardless of their level of sports fandom. Ready to reimagine the DFS industry together? Overview At PrizePicks, we are changing the game in daily fantasy sports. We are a passionate team of innovators dedicated to creating a best-in-class experience for our members. Our engineering team builds and scales the platform that powers our explosive growth, from real-time contest engines to the services that handle millions of daily transactions. We are looking for a Senior Software Engineer to join our Social Experience team and help us continue to build the future of fantasy sports. Job Summary We are seeking a Software Engineer III with strong Ruby on Rails expertise to join our Marketing Technology (MarTech) team. In this role, you will own feature development within Rails-based backend services that power PrizePicks' member engagement, lifecycle marketing, and marketing enablement infrastructure - including data pipelines, customer data platform integrations, and marketing automation tooling. You will own the delivery of complex work end-to-end, begin guiding junior engineers, and contribute to architectural decisions that shape your team's systems. This is a role for someone who can bridge the gap between technical systems and marketing outcomes, deliver high-quality solutions, and start having influence beyond their own code. What You'll Do Own feature development: Take ownership of features end-to-end - from technical design through delivery - breaking complex projects into well-scoped, deliverable pieces across our martech stack. Write high-quality code: Produce Ruby code that is idiomatic, performant, well-tested, and raises the bar for the codebase. Contribute to architecture: Participate in team-level architectural decisions around data modeling, CDP event schemas, service boundaries, API design, and background processing patterns. Build and maintain martech integrations: Design and own integrations with our Customer Data Platform (CDP) and marketing automation tools like Braze - including event ingestion, audience syncing, and canvas triggering via API. Improve quality proactively: Identify opportunities to improve data reliability, pipeline performance, and developer experience - and act on them. Guide junior engineers: Provide technical guidance to Software Engineers I and II through thorough code reviews, pairing sessions, and design feedback. Collaborate cross-functionally: Work closely with Marketing, Data, and Product teams to translate campaign and personalization requirements into reliable technical implementations. You should be comfortable sitting in a room with a marketer and speaking their language. Participate in on-call rotation: Take increasing ownership of incident response, contributing to root cause analysis and systemic improvements. Build team knowledge: Document technical decisions, data models, and integration patterns to strengthen your team's shared understanding. What You Have Experience 3–5 years of professional software engineering experience, with meaningful time building Ruby on Rails applications Hands-on experience working with a Customer Data Platform (Rudderstack, Segment, mParticle, or similar) — you understand how event tracking, identity resolution, and audience building work in practice Experience integrating with marketing automation platforms such as Braze, Iterable, or Klaviyo, including direct API usage (not just clicking buttons in a UI) History of delivering complex features within a software team to drive business outcomes Experience breaking down ambiguous requirements — including those coming from non-technical stakeholders like marketers — into concrete technical plans Exposure to large-scale, high-throughput distributed systems — you understand the challenges of building software that serves millions of users in real time Technical Skills Advanced proficiency in Ruby on Rails — you understand the framework deeply and write clean, idiomatic, production-quality code Strong PostgreSQL skills — schema design, query optimization, migrations, and understanding of performance characteristics at scale Experience designing and building RESTful AP