Senior Software Engineer (Measurement)

Company Overview:
Do you enjoy making a difference in a child's life, transforming education, and evolving learning? Come join Teachstone, the interaction company! Teachstone was founded in 2008 to deliver the Classroom Assessment Scoring System (CLASS) nationwide and around the globe. Developed through years of research, the CLASS observation tool measures the interactions between teachers and children, which have been shown to drive learning and lifelong achievement. Teachstone helps organizations conduct classroom observations and provides professional development so that teachers improve, and children learn more. Our online subscription service, myTeachstone, simplifies CLASS implementation by combining observation data with a robust library of CLASS resources and professional development.

At Teachstone, everything we do is about improving the ways teachers interact with their students. We train coaches and observers, build and deliver online support programs, design professional development - all of it grounded in one proven fact: the interactions teachers have with students have a lasting impact on their academic and developmental success. By helping educators describe, measure and improve their interactions and relationships with students, Teachstone is transforming education nationwide, one interaction at a time.

Role Overview:

We're hiring a Senior Software Engineer to join a product team focused on evolving and scaling Teachstone's observation services.

You will build end-to-end product capabilities, from user-facing workflows to the systems that support them. You are comfortable working across the stack and can independently own substantial areas of functionality.

You contribute to system design, raise risks and edge cases early, and deliver solutions that are reliable, maintainable, and production-ready. You partner closely with the Lead Engineer, Product, and Design to translate product direction into cohesive, well-executed technical work.

You are accountable for the quality of what you ship and for strengthening the codebase over time.

• Design and implement end-to-end product capabilities, from user-facing workflows to supporting backend systems.
• Own substantial features or system areas from initial design through production.
• Contribute to technical design discussions and help refine implementation approaches.
• Raise risks, edge cases, and tradeoffs early.
• Write high-quality, well-tested code and actively participate in code reviews.
• Improve reliability, performance, and maintainability of the systems you touch.
• Monitor system health and help diagnose and resolve production issues.
• Collaborate with other teams when integrations or shared systems are involved.
• Participate in root cause analysis and strengthen systems to prevent recurring issues.

• 5-8 years of professional software engineering experience.
• Strong full-stack capability and experience building end-to-end product features.
• Experience designing and delivering production systems used by real customers.
• Solid system design fundamentals and the ability to translate product requirements into clean technical solutions.
• Experience working effectively within an existing codebase and improving it over time.
• Comfort operating in a small team with high ownership and shared responsibility.
• Experience working in cloud-hosted environments (e.g., AWS) with CI/CD and automated testing.
• Experience with workflow automation or AI-enabled features.
• Clear communicator who can explain technical decisions and collaborate effectively across disciplines.

• Experience with Ruby on Rails.
• Experience building workflow-heavy or data-intensive applications.
• Experience working in SaaS or revenue-generating environments.
• Experience mentoring junior engineers or leading small technical efforts.

What We Offer:

Fair, Competitive Pay: We ensure equal pay for equal work, using consistent salary bands based on market benchmarks, reviewed annually. Prior salaries, negotiation skills, or fear of conflict don't influence your pay.
Salary Range: $124,500 - $134,500, determined by your experience and skills.
Comprehensive Benefits: Medical/dental, 401(k), PTO, insurance, development opportunities. Details provided at offer. Eligibility depends on your role and employment status.

Ready to Make a Difference?
At Teachstone, we believe that every interaction shapes a brighter future. If you're passionate about transforming education and want to be part of a team that's committed to meaningful impact, we want to hear from you. Apply today and help us create classrooms where every child thrives!

At Teachstone, we encourage all individuals to apply and bring their unique perspectives to our team. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender, gender identity, sexual orientation, protected veteran status, disability, age, or any other characteristic protected by law. We value the different experiences and ideas our team members bring and believe they are essential to solving complex challenges and driving our mission forward.