We are LumenSoft, a remote-first company building tools used by thousands of teams worldwide. Our engineering team is growing and we need a Senior Infrastructure Engineer to help us reach the next level. You will work alongside a senior team with high standards and a strong culture.

What You'll Do:
- Improve system reliability, performance, and observability
- Design, build, and maintain scalable backend services and APIs
- Drive architectural decisions aligned with long-term product goals
- Contribute to engineering roadmap planning and sprint execution
- Collaborate with product and design teams to define technical requirements

What We're Looking For:
- Experience mentoring junior and mid-level team members
- Strong system design and architectural thinking
- Proven track record of delivering complex, high-impact projects
- Ability to drive technical decisions with long-term impact
- 5+ years of relevant professional experience

What We Offer:
- Competitive salary with equity or performance bonuses
- Health, dental, and vision insurance (or stipend for international hires)
- Parental leave and family-friendly policies
- Annual learning and development budget ($1,500+)
- Flexible hours — we trust you to manage your time

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.