Senior Software Engineer - Platform

Sorry, this job was removed at 04:08 p.m. (CST) on Thursday, Sep 04, 2025
2 Locations
Remote
Sports
The Role
We’re Underdog.

The fastest-growing sports gaming company, ever. We’re here to make sports more fun. We pair intuitive user experiences with innovative game designs to build the best experience for sports fans in America.

Since 2020, we’ve launched four of today’s most widely played fantasy games, and built the Underdog Sportsbook entirely in-house with our own tech. We move fast, act with urgency, and create experiences you won’t find anywhere else.

With a $1.2 billion valuation and backing from investors like BlackRock, Spark Capital, SV Angel, Mark Cuban, Kevin Durant, Adam Schefter, and more, we’re just getting started.

At Underdog, we play and win as a team. We take chances and are unafraid to attack hard problems. We face challenges with ambition and optimism. We play for the love of the game.

We’re Underdog. And winning as an Underdog is just more fun.

Join us.

What you’ll do:
  • Build Underdog’s tools and applications to manage our ephemeral environment solution.
  • Write efficient, maintainable, well structured code in various languages (including, but not limited to: Typescript, Ruby, GoLang).
  • Work with many web application frameworks such as Next.JS, Ruby on Rails, Express, etc.
  • Design, develop and integrate automation solutions that minimize manual efforts and increase productivity around build, deploy, observability, test automation, and compliance.
  • Build and maintain APIs for our internal tools that integrate with GitHub, Jira, Slack, AWS, GCP, Kubernetes, DataDog, Helm, ArgoCD, etc.
  • Help evaluate and evangelize solutions that improve our software development lifecycle.
  • Document the systems you help build, monitor, and maintain.
  • Coordinate efforts across product engineering, infrastructure and technical compliance teams.
Who you are:
  • 6+ years of professional software engineering experience, with a passion for developer productivity engineering and internal tools.
  • Experience working with multiple web application frameworks, full stack development, containerized applications and CI/CD.
  • Demonstrate a strong grasp of Kubernetes fundamentals to support containerized application infrastructure.
  • A strong written and verbal communicator
  • Collaborative by nature, and passionate about fostering best practices for the betterment of the team
  • Driven to enhance the platform's performance and scalability
  • Eager to test, track, and document your work
  • A top-level problem solver who’s comfortable ideating and implementing solutions suggested by the team
Even better if you have…
  • Experienced with relational databases (Postgres) and event-driven systems (Kafka).
  • Familiar with React, Mobile native application development, and containerized infrastructures
  • Actively leveraging the capabilities of AI to augment abilities and gain knowledge about interested domains.


Our target starting base salary range for this position is between $150,000 and $190,000, plus target equity. The starting base salary will depend on a number of factors including the candidate’s skills and experience, among other things.

What we can offer you:
  • Unlimited PTO (we're extremely flexible with the exception of the first few weeks before & into the NFL season)
  • 16 weeks of fully paid parental leave
  • A $500 home office allowance
  • A connected virtual first culture with a highly engaged distributed workforce
  • 5% 401k match, FSA, company paid health, dental, vision plan options for employees and dependents

#LI-REMOTE

This position may require sports betting licensure based on certain state regulations.

Underdog is an equal opportunity employer and doesn't discriminate on the basis of creed, race, sexual orientation, gender, age, disability status, or any other defining characteristic.

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The Company
HQ: Brooklyn, NY
500 Employees
Year Founded: 2020

What We Do

Underdog Fantasy is one of the fastest-growing sports companies on the market. Founded by a team of industry veterans, Underdog is bringing fun, approachable contests and games to the masses. We’re looking to innovate an already exciting space and provide the best possible experience to our enthusiastic users.

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