Senior Ruby on Rails Engineer

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

• 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.