Full Stack Engineer

Genius; United States; Remote; USD 70,000 - 900,000; Full time

Job summary

MediaLab is on the lookout for a Full-stack Engineer to join its innovative team. In this role, you will contribute to building transformative applications that enhance user experience for Genius, a leading music companion platform. Your technical expertise in Ruby on Rails, React, and database management will allow you to help shape the future of music annotation and lyric transcription, making a significant impact on millions of users.

Qualifications

• At least 2 years of hands-on experience in a technical engineering capacity.
• Comfortable working with large, established codebases.
• Proactively applying improvements to code quality and team workflows.

Responsibilities

• Build and ship high-quality site features with a Rails backend and React front-end.
• Identify and fix infrastructure bottlenecks.
• Take ownership over features and ensure site quality during on-call rotation.

Skills

Proficiency with Ruby on Rails

Experience with React

Database design and SQL proficiency

Product Ownership mindset

Collaboration & Communication

Continuous Learning

Education

Bachelor’s degree in Computer Science or Engineering

Job description

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MediaLab is a media & technology company focused on acquiring and growing properties and global brands. The organization is a unique combination of private equity, holding company and operating entity. We continue to expand and are proud of the prominent market position of our brands.

Come join an exceptionally talented team of engineers, designers, product and business builders. HQ is located in sunny Santa Monica, California with growing teams in New York, and across cities in the US and Latin America.

Your Role at MediaLab

MediaLab Engineering supports a growing number of applications across multiple business verticals which have been acquired through a careful selection process to integrate with its internal Ad platform that processes billions of impressions a month. The technical effort involved is massive and we need go-getters looking to make a substantial impact.

Genius, one of our flagship products, is looking for a remote Full-stack Engineer to help build the ultimate music companion enabling fans to collaboratively transcribe lyrics and write annotations that live on Genius.com and everywhere people experience music. We’re looking for makers with a sophisticated code sense: folks who’ve built cool things, but who can also maintain and scale those things, and who feel at home deep in the guts of a library.

As a Full-stack Engineer for Genius, you will play a key role in building the website, helping us deliver on the next generation of product features. You will work across our frontend and backend to delight our users, improve site performance, and increase user retention, ensuring the success of the Genius business. Additionally, you’ll work to improve the stability, reliability and security posture of Genius’ services, which is no small feat for a website serving millions of users daily!

What You'll Do

• Build and ship high-quality site features, working with a Rails backend and a React front-end
• Proactively identify and fix infrastructure bottlenecks to scale backend services to tens of thousands of requests per minute
• Architect database query patterns and migrations that scale to large tables with 1B+ rows
• Take ownership over the features you build, proactively identifying and surfacing UX, performance and maintainability improvements
• During your on-call rotation, be the backstop for site quality, stability, and performance. Triage incoming issues to find the most urgent problems, and handle emergent incidents to keep the site online.
• Work directly with stakeholders to uncover and address business needs, including product owners, designers and other engineers across the company

What We're Searching For

• Proficiency with a “batteries-included” backend framework like Ruby on Rails (or similar). Candidates should be comfortable working with large, established codebases, and have an understanding of architectural patterns necessary to build APIs at scale
• Experience building user-friendly interfaces using a modern, component-based front-end framework (React, Vue, Angular, etc). including proficiency in state management, end-to-end testing, and CSS-in-JS.
• Proficiency with SQL and relational databases. Candidates should be able to design database schemas, write complex queries, and optimize performance for scale
• Product Ownership: Brings a product-first mindset, able to drive projects from ideation to launch while focusing on user needs, business impact, and cross-functional alignment.
• Collaboration & Communication: Comfortable working cross-functionally with design, product, and other engineering teams to ensure clarity, alignment, and smooth execution of projects.
• Continuous Learning: Demonstrates a passion for staying current with new technologies, frameworks, and industry best practices—proactively applying improvements to code quality and team workflows.
• Experience: At least 2 years of hands-on experience in a technical engineering capacity, preferably in a fast-paced or product-driven environment.
• Education (Preferred): Bachelor’s degree in Computer Science, Engineering, or a related technical field.

At MediaLab, we rely on a range of backgrounds, experiences, and ideas. We value diversity, and we’re proud to be an inclusive, equal opportunity workplace.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Industries

  Software Development, Social Networking Platforms, and Advertising Services

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