Horizon Stack is a fast-growing technology company building engineering tools for modern teams. We are fully distributed and passionate about solving hard problems at scale. As a Senior Infrastructure Engineer, you will play a key role in shaping our culture from anywhere in the world.
What You'll Do:
- Improve system reliability, performance, and observability
- Design, build, and maintain scalable backend services and APIs
- Lead code reviews and mentor engineers across the team
- Contribute to engineering roadmap planning and sprint execution
- Collaborate with product and design teams to define technical requirements
- Participate in on-call rotations and lead incident response efforts
What We're Looking For:
- Ability to drive technical decisions with long-term impact
- Strong system design and architectural thinking
- Experience mentoring junior and mid-level team members
- Proven track record of delivering complex, high-impact projects
- 5+ years of relevant professional experience
What We Offer:
- Unlimited PTO and company-wide recharge days
- Competitive salary with equity or performance bonuses
- Health, dental, and vision insurance (or stipend for international hires)
- Flexible hours — we trust you to manage your time
- Annual learning and development budget ($1,500+)
To apply, send your resume and a short note about why you are excited about this role. We review every application and respond within 5 business days.