Sr Software Engineer - Basis Platform / DSP

Basis Technologies empowers agencies and brands with cutting-edge software that automates digital media operations. The Sr Software Engineer will build new features for the Basis Platform and integrate it with the Demand-Side Platform, ensuring high-quality and reliable software delivery.

Responsibilities:

• You'll build net-new Basis Platform features, develop the integrations that bridge Basis Platform and our DSP, and extend the existing feature sets that our customers rely on every day
• Ownership. You run with autonomy and own what you ship — quality, reliability, and what happens after it hits production. You're at home driving projects from first sketch to launch and beyond
• Relentless Curiosity. You close your own gaps in knowledge, skill, and domain — and that depth shows up in planning, where you catch risks early and keep the technical path aligned with the business goals
• Leadership. You lead projects end-to-end across our stack, set the bar for quality, and pull other engineers up with you
• Collaboration. You demonstrate strong partnerships and communication skills through pull requests, demos, and working relationships
• Positivity. You bring a sense of strategic optimism and a solution-oriented mindset to work, while embodying Basis' core principles

Requirements:

• 5+ years professional software development experience
• Proven experience designing, building, and scaling modern, production‑level front‑end experiences using React, with supporting back‑end work in Ruby on Rails
• Current with modern development practices, including AI-assisted and agentic workflows for code generation, debugging, exploring, and documentation
• Strong grasp of data modeling and system design
• Enthusiastic growth-oriented mindset
• Bachelor's degree in Computer Science, Engineering or related field
• Experience with Spring Boot, Quarkus
• Excited by a fast-paced product development environment
• Passion for Ad-Tech