Sr. Software Engineer

INTOO is a fast‑growing HR technology solutions provider seeking a highly experienced, hands‑on Senior Software Engineer. This is an individual contributor role with significant ownership over technical execution, system reliability, and architectural direction. You’ll operate across the stack, lead by example, and mentor engineers while driving high‑impact initiatives.

• Own and deliver complex technical systems and critical workflows end‑to‑end
• Ensure production reliability, performance, and security across the platform
• Lead and influence architectural decisions with a focus on long‑term maintainability
• Communicate complex technical and business concepts effectively to technical and non‑technical stakeholders
• Mentor and coach engineers at all skill levels
• Drive incident response and continuous improvement of system health and processes
• Continuously assess industry trends, risks and identify areas for improvement

• 7+ years hands‑on experience with Ruby on Rails (formal training or equivalent required)
• 7+ years of cloud infrastructure experience (AWS or equivalent), including reliability, security, and cost management
• Extensive experience operating in high‑ownership environments (small businesses, startups, early engineering teams, or consulting) where you were responsible for end‑to‑end system outcomes
• Extensive experience configuring, maintaining, and troubleshooting Linux‑based production environments

• Direct responsibility for production uptime, including monitoring, alerting, incident response, and root cause analysis
• Strong ownership of relational databases (MySQL or similar), including schema design, performance tuning, and data integrity
• Experience with automated testing, CI/CD pipelines, and code review practices
• Hands‑on experience with application, network, and cloud security best practices
• Experience with monitoring, alerting, and observability tooling

• Ability to work 1 day per week in our Framingham, MA office
• Experience implementing and maintaining security and compliance frameworks (SOC 2, NIST, ISO 27001)
• Experience working in Agile environments (Jira, Scrum, etc.)
• Advanced experience with web servers such as NGINX
• Experience with Redis or other No
  
  SQL data stores
• Experience implementing SSO integrations (OAuth, SAML)
• Additional language fluency (Italian, French, Spanish)

BS/MS in Computer Science, Engineering, or related field (or equivalent experience)

Onboarding includes 1 week onsite in Framingham, MA. Travel up to 6 times per year.

• Telemedicine and Well‑Being Resources
• 100% Remote

INTOO is an equal opportunity employer and values diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.