About The Role
What you'll be doing
As a Senior Ruby on Rails Engineer at ZionStar, you will design and build the backend systems behind our LMS platforms, student portals and CRM integrations. You will own features end to end — from architecture to production — on software that real institutions depend on every day.
Key responsibilities
Your day to day
- Design, build and ship scalable Rails services and APIs
- Integrate LMS platforms (Canvas, Moodle, Open edX), CRM and payments
- Lead architecture decisions and mentor mid-level engineers
- Own quality: testing, code review and clean, maintainable code
- Collaborate with product and design in small, senior pods
Requirements
What we're looking for
- 5+ years building production Ruby on Rails applications
- Strong PostgreSQL, API design and background-job experience
- A track record of owning features end to end
- Clear written communication for a remote, global team
Preferred Qualifications
Nice to have
- Experience in education technology or LMS platforms
- Familiarity with React and modern front-end tooling
- Exposure to AWS and CI/CD pipelines
Benefits
What we offer
Competitive salary, reviewed yearly
Fully remote with flexible hours
Generous learning & development budget
Paid time off and wellbeing support
Top-tier equipment of your choice
Global, inclusive engineering culture
Learning opportunities
How you'll grow
- How large-scale learning ecosystems are architected
- Deep LMS, CRM and education-AI integration patterns
- Technical leadership and mentorship at a senior level
FAQ
Questions, answered
Is this role fully remote?
Yes — we are remote-first and hire globally. You can work from wherever you do your best work, with overlap hours for collaboration.
What does the hiring process look like?
Application, a practical assessment, assessment review, an HR discussion, a technical interview, and a final decision — typically wrapped up in 2–3 weeks.
Do I need education-technology experience?
It helps, but it is not required. We value strong engineering and a genuine interest in education; we will get you up to speed on the domain.
Who will I report to?
You will report to the Engineering Lead, and work day to day inside a small, senior pod.
DepartmentEngineering
LocationOn-site
Employment typeFull-time
Experience level5+ years
Working modelOn-site
Reports toEngineering Lead
Estimated hiring timeline
Around 2–3 weeks from application to offer.
The team
A small, senior Engineering pod — engineers, product and QA who own outcomes together.
Hiring process
From application to offer
01
Application submission
Submit your details and resume through our application form.
02
Assessment platform
Complete a practical assessment or short course assigned to you.
03
Assessment review
Our team reviews your submission and shortlists candidates.
04
HR discussion
A Conversation About You, Your Goals, And The Role.
05
Technical interview
A practical session on real ed-tech problems — no whiteboard gotchas.
06
Final selection
A fast, transparent offer built around how you do your best work.
Why join ZionStar
More than a job.
Career growth
Clear progression, real ownership, and the room to grow into the engineer or leader you want to be.
Mentorship
Work alongside senior ed-tech engineers who review your code and invest in your craft.
Real-world projects
Ship software used by real universities, EdTech companies and hundreds of thousands of learners.
Global exposure
Collaborate across continents on projects for organizations worldwide.
Learning opportunities
A generous learning budget and time to use it — we build ed-tech, so we keep learning too.
Engineering culture
Clean architecture, tested code, small senior pods, and weekly shipping. No bureaucracy.
Ready to apply?
Tell us about yourself. After you submit, you'll complete a short assessment so we can get to know your work.