97 React developer Jobs and Work

Ruby on Rails Developer
Pavago —South Africa
- Full-time
- Remote
Quick Apply
Front-end Developer - South Africa
FDM Group —South Africa
Proposal & Business Development Specialist
pubGENIUS —South Africa
- Part-time
- Remote
Quick Apply
Tech Lead (Node&React) - South Africa
OAK'S LAB —South Africa
- Full-time
- Remote

Discover related jobs

Based on your search for react developer jobs.

Junior Web Developer Internship - We’ll Train You (PHP/Drupal)
Spriggabyte —Cape Town, Western Cape
Genuinely curious - you’ve built, broken or tinkered with something on your own time. You’ll work directly with the senior developer who owns the company - no…
R6 000 - R12 000 a month
Quick Apply
Senior Developer
Growth Farm PTY LTD —Port Elizabeth, Eastern Cape
Acting as a technical leader, they are responsible for ensuring high code quality, defining the technology stack, and driving project completion.
From R150 an hour
Quick Apply
13d

I want to receive the latest job alert for react developer

By signing in to your account, you agree to SimplyHired's Terms of Service and consent to our Cookie and Privacy Policy.

Explore jobs in more locations

react developer jobs near

Ruby On Rails Developer jobs in Johannesburg, Gauteng

Junior Web Developer jobs in Johannesburg, Gauteng

Store Associate Riverside Mall, Mbombela jobs in Nelspruit, Mpumalanga

Front Desk Receptionist, Law Firms jobs in Sandton, Gauteng

Research Associate jobs in Cape Town, Western Cape

Technical Lead jobs in Boksburg, Gauteng

Technical Writer jobs in Sandton, Gauteng

Technical Lead jobs in Johannesburg, Gauteng

Technical Lead jobs in Cape Town, Western Cape

Business Development Specialist jobs in Durban, Kwazulu Natal

Business Development Specialist jobs in Sandton, Gauteng

Business Development Specialist jobs in Cape Town, Western Cape

Ruby on Rails Developer

Pavago
South Africa

Quick Apply

Job Details

Full-time

Full Job Description

Ruby on Rails Developer (Ruby, Rails, PostgreSQL, APIs, Sidekiq)

Full-Time | Remote | U.S. Business Hours

About the Role

We’re hiring a skilled Ruby on Rails Developer to build, optimize, and maintain scalable web applications and APIs used in real-world production environments.

This role is focused on:

Backend application development
API architecture & integrations
Database performance & scalability
Rails application optimization
Testing & clean code practices
System reliability & security

You’ll work closely with product, design, and engineering teams to deliver reliable, high-performance applications while contributing to a clean and maintainable codebase.

This is an ideal opportunity for developers who enjoy building production-grade systems, solving performance challenges, and working deeply within the Rails ecosystem.

What You’ll OwnRuby on Rails Application Development

Build and maintain:
- Ruby on Rails applications
- REST APIs
- Backend services
- Internal tools
Implement business logic using:
- ActiveRecord
- MVC architecture
- Rails conventions
Develop:
- Scalable backend systems
- Reusable services
- Maintainable application workflows
Integrate front-end frameworks such as:
- Stimulus
- React
- Vue.js

Database Design & Performance

Design and maintain schemas using:
- PostgreSQL
- MySQL
Optimize:
- SQL queries
- Indexing
- Database performance
Implement:
- Caching strategies
- Background processing
- Asynchronous workflows
Work with:
- Sidekiq
- Resque
- Redis

API Development & Integrations

Design and maintain scalable RESTful APIs
Integrate with:
- Third-party APIs
- Payment systems
- SaaS platforms
- External services
Handle:
- Authentication
- Rate limiting
- Background sync jobs
- Webhook processing

Testing & Code Quality

Write and maintain:
- Unit tests
- Integration tests
- System tests
Use frameworks such as:
- RSpec
- Minitest
- Capybara
Maintain:
- - 80% test coverage
- Clean code standards
- Linting rules
Work within CI/CD pipelines for automated deployments and testing

Security & Reliability

Implement:
- Authentication
- Authorization
- Role-based permissions
Use tools such as:
- Devise
- OmniAuth
Follow:
- OWASP security best practices
- CSRF protection
- Secure input validation
Support compliance requirements where applicable:
- GDPR
- HIPAA

Performance Optimization & Monitoring

Improve:
- API response times
- Page load speeds
- Background job throughput
Monitor applications using:
- New Relic
- Datadog
- Honeybadger
- Rollbar
Troubleshoot production issues and deploy fixes with minimal downtime

Collaboration & Agile Development

Collaborate with:
- Product Managers
- Designers
- Frontend Engineers
- QA teams
Participate in:
- Sprint planning
- Standups
- Code reviews
- Technical discussions
Provide accurate development estimates and contribute to architectural decisions
Maintain clear technical documentation for long-term maintainability

Required Experience & Skills

3+ years of Ruby on Rails development experience
Strong proficiency with:
- Ruby
- Rails
- ActiveRecord
- MVC architecture
Experience with:
- PostgreSQL or MySQL
- Sidekiq or Resque
- Git workflows
- CI/CD pipelines
Strong understanding of:
- API development
- Backend architecture
- Scalable web applications

Ideal Experience

Experience integrating:
- React
- Vue.js
- Stimulus
Experience deploying Rails applications to:
- AWS
- GCP
- Heroku
Familiarity with:
- Redis
- Memcached
- Background workers
- Caching systems
Industry experience in:
- SaaS
- Fintech
- Healthcare
- E-commerce

What Makes You a Great Fit

Deep understanding of Rails conventions and ecosystem
Strong debugging and problem-solving skills
Passion for clean, maintainable, well-tested code
Comfortable balancing speed, reliability, and scalability
Strong collaborator and communicator in remote engineering environments
Ownership mindset with attention to long-term system quality

What a Typical Day Looks Like

Review sprint tasks and pick up new feature tickets
Build and maintain Rails features and APIs
Optimize database queries and application performance
Write automated tests and review CI/CD pipelines
Collaborate with frontend and product teams on feature implementation
Troubleshoot production issues and deploy fixes
Monitor application health and improve system reliability
Document updates and technical workflows

In short:
You build and maintain scalable Rails applications that are secure, performant, reliable, and ready for production growth.

Key Success Metrics (KPIs)

Features delivered on time and aligned with requirements
Application uptime 99.9%
Test coverage maintained 80%
Reduced system errors and technical debt
Improved API and application performance
Positive stakeholder feedback on feature quality and reliability

Why This Role Stands Out

Work on modern production Rails applications
Opportunity to influence architecture and backend scalability
Exposure to:
- APIs
- Distributed systems
- Cloud deployments
- Performance optimization
Strong growth opportunities into:
- Senior Rails Engineer
- Backend Engineer
- Tech Lead
- Platform Engineering
Fully remote flexibility with collaborative engineering teams

Interview Process

Initial Phone Screen
Video Interview with Pavago Recruiter
Technical Assessment
(Build a small Rails API with models, endpoints, and tests)
Client Interview with Engineering Team
Offer & Background Verification

Apply Now

If you:

Love building scalable backend systems
Enjoy writing clean Rails code
Care deeply about reliability and performance
Want to work on real production applications

This role is a strong fit for developers who thrive inside the Rails ecosystem and enjoy building secure, scalable, production-grade applications.

Quick Apply

Refine Your Search

react developer jobs

Ruby on Rails Developer

Front-end Developer - South Africa

Proposal & Business Development Specialist

Tech Lead (Node&React) - South Africa

Discover related jobs

I want to receive the latest job alert for react developer

Related Searches

Explore jobs in more locations

Job Seeker Tools

Employer Tools

Browse

Stay Connected