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 contemporary 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 Nagercoil 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.

📌 Senior Ruby on Rails Engineer (Agasteeswaram)
🏢 KeyStone Software
📍 Agasteeswaram