RoR and React Developer

15 hours ago

Rajarhat West Bengal, India Nature Technologies Pvt Ltd Full time ₹ 5,00,000 - ₹ 15,00,000 per year

Job Opening: Full Stack Developer (RoR + )

Location:

Kolkata, Sector V (Hybrid / Freelance / Remote) 

Experience: 4 –10 Years

About the Role

We are looking for a
Full Stack Developer

with strong expertise in
Ruby on Rails (RoR)

and 

to join our growing technology team. This role is open for both
full-time hybrid  employees

and
freelance/project-based developers

, depending on availability and  interest. 

The ideal candidate will have hands-on experience in designing, developing, and deploying 
scalable web applications

, working across backend APIs and dynamic front-end  interfaces for international projects (primarily US-based clients). 

Key Responsibilities


• Design, develop, and optimize scalable web applications (Mission Control App, API  services). 


• Build secure and reusable
APIs & business logic

using Ruby on Rails. 


• Develop dynamic and responsive
front-end interfaces

using ,  TailwindCSS/Bootstrap. 


• Work with relational databases (PostgreSQL/MySQL) and ensure query  performance. 


• Implement caching, background jobs, and real-time features using Redis &  Sidekiq/ActiveJob. 


• Collaborate with DevOps teams for deployments on
Heroku/AWS

and  containerization with
Docker

. 


• Maintain high standards of code quality and version control using
GitHub/GitLab

.


• Coordinate tasks and updates effectively on
Basecamp

. 

Tech Stack You'll Work With


•
Backend:

Ruby on Rails, PostgreSQL/MySQL, Redis, Sidekiq/ActiveJob,  Postal/Mailgun, pdftk 


•
Frontend:

, TailwindCSS, Bootstrap 


•
Infrastructure & DevOps:

Heroku/AWS, Docker, GitHub/GitLab, Basecamp 

Requirements


• 4–10 years of proven experience as a
Full Stack Developer

. 


• Strong expertise in
RoR and

(must-have). 


• Understanding of REST APIs, database design, and performance tuning.
• Hands-on experience with
background jobs & caching mechanisms

.
• Familiarity with DevOps tools (Docker, AWS/Heroku) is preferred. 


• Ability to work in a
hybrid setup

(Kolkata office) or as a
freelancer

for international  projects. 


• Strong communication and problem-solving skills. 

Why Join Us?


• Opportunity to work on
exciting US-based projects

with a global technology team.
• Flexible engagement models:
Full-time (Hybrid)

or
Freelancing/Project-based

.
• Competitive compensation (salary for full-time / project-based pay for freelancers).
• Collaborative, innovation-driven work culture. 


• Growth opportunities in a fast-scaling tech environment. 

How to Apply

Send your
CV/portfolio

to

with the subject line:
"Application – Full Stack Developer (RoR + )"

  • React JS Developer

    2 weeks ago

    Salt Lake, Kolkata, West Bengal, India Pitangent Analytics and Technology Solutions Pvt. Ltd. Full time ₹ 3,84,000 - ₹ 5,20,800 per year

    Pitangent Group of Companies is an ISO:2015 Certified, CMMIL-3, Award winning Software Development Company in Eastern India. It caters to areas like AI/ML to Web development to SAAS engneering. Office location : Webel Tower-2 Salt lake Sec-V.Work Mode : In office + Flexible WFH daysExp Required : 1 Year plusOverviewThe Front-End Design and Development role...

  • Frontend Developer

    4 days ago

    Rajarhat, West Bengal, India Envizn Labs Full time ₹ 9,00,000 - ₹ 12,00,000 per year

    Company DescriptionEnvizn Labs is a software solutions company specializing in web development. We partner with clients to craft outstanding digital experiences by blending cutting-edge technology with creative strategy. Our goal is to bring your ideas to life through innovative web solutions.Role DescriptionThis is a full-time on-site role for a Frontend...

  • React Native Developer

    6 days ago

    Garia, Kolkata, West Bengal, India HitTok Private Limited Full time ₹ 1,44,000 - ₹ 4,20,000 per year

    About the Role:We are looking for a passionate and skilled React Native Developer to join our development team. The ideal candidate will be responsible for building high-performing mobile applications for both Android and iOS platforms using React Native.You will work closely with our UI/UX designers and backend developers to deliver user-friendly,...

  • Fullstack Javascript Developer

    2 days ago

    Rajarhat, West Bengal, India DocHipo Full time ₹ 9,00,000 - ₹ 12,00,000 per year

    RemoteFull Time1800 days ago2 Vacancies3 - 5 Years ExperienceWe are looking for talented Fullstack Javascript Developers to join our rapidly growing engineering team. This is an excellent opportunity to join one of India's most lovable startups and shape the future of DocHipo.ResponsibilitiesDesign software architectureBuild front-end of the...

  • React Native Developer

    2 days ago

    Salt Lake, Kolkata, West Bengal, India Tech clouds Full time ₹ 1,80,000 - ₹ 18,00,000 per year

    Job Title: React Native DeveloperExperience: 3–5 YearsLocation: Sector 5, Kolkata - Webel MoreJob Type: Full-Time | On-SiteJob Summary:We are seeking an experienced and passionate React Native Developer with 3–5 years of hands-on experience in building high-quality mobile applications for both Android and iOS platforms. The ideal candidate should have a...

  • React Native Developer

    1 week ago

    New Town, Kolkata, West Bengal, India Sathi Planners Pvt. Ltd. Full time ₹ 3,60,000 - ₹ 4,80,000 per year

    Job Description – React Native DeveloperRequired Skills – React Native Developer3+ years hands-on experience in React Native.Strong knowledge of JavaScript (ES6+) / TypeScript.Experience in publishing apps to App Store and Google Play Store.Proficiency in iOS compatibility, Xcode, TestFlight, App Store Connect, provisioning profiles & certificates.State...

  • Full Stack Custom Web Developer

    4 days ago

    Rajarhat, Kolkata, West Bengal, India autocomputation Full time ₹ 2,10,000 - ₹ 4,20,000 per year

    Job Title: Full Stack Custom Web Developer (PHP, Laravel, JavaScript, , React, WordPress)Job Type: Full-timeLocation: Chinar Park KolkataCompany: AutoComputationAbout UsAutoComputation is a growing web development agency specializing in custom-built web solutions and WordPress development. We work with global clients to deliver high-performance, scalable,...

  • ▷ Apply in 3 Minutes! Node.js

    2 weeks ago

    Kolkata, West Bengal, India RECEX Full time

    Position Title Node js React Developer Department Information Technology Location Hungerford Street Kolkata Employment Type Full-Time Experience Level 4-5 Years Role Overview Deliver reliable scalable and secure software solutions web apps APIs IoT dashboards to support company s digital transformation ensuring data transparency traceability and efficiency...

  • React Frontend Developer

    4 days ago

    Dumdum Road, Kolkata, West Bengal, India Timefortheweb Full time ₹ 1,50,000 - ₹ 2,50,000 per year

    We are looking for a talented Full-Stack Developer who can build scalable, high-performing applications while collaborating with our design and backend teams.Required Skills & Responsibilities:Develop, test, and maintain front-end applications with reusable components and responsive UI.Build and integrate RESTful APIs / GraphQL with & (or ) and...

  • Senior React JS Developer

    2 days ago

    Park Street, Kolkata, West Bengal, India Bit Canny Technologies Pvt. Ltd. Full time ₹ 4,80,000 - ₹ 9,60,000 per year

    Job Title :- Senior React JS DeveloperLocation :- Lords Building, Lords Sinha Road, Kolkata – On-site (Monday to Friday)Employment Type :- Full Time (Office Hours: Monday to Friday)Experience Required :- Minimum 3 years of professional experience in front-end development with (or equivalent) required.Role Summary :-We are looking for a highly skilled and...