Fullstack Ruby on Rails Developer

Job title: Full Stack Developer ( Ruby on Rails Developer)

Location: 100 % Remote

Duration: 12+ Months Contract on W2

Job Description

What you''ll do

• Design, build, test, and maintain features across the full stack: Rails backend, MySQL data layer, web UI, and GraphQL/REST APIs.

• Own features end-to-end: requirements, implementation, automated tests, deployment support, and production follow-up.

• Integrate with internal systems and third-party platforms (SMS, email, identity, storage, analytics).

• Improve application performance, reliability, and security (webhook hardening, auth/session work, etc.).

• Work in a team that ships frequently via GitHub Actions to AWS Elastic Beanstalk, with Sidekiq workers and Lambda functions in the mix. Required experience

• 5+ years building production web applications across backend and frontend.

• Strong Ruby on Rails experience, including ActiveRecord, controllers/services/workers, background jobs, and migrations.

• Strong JavaScript experience building production web UIs and integrating with backend APIs.

• Solid SQL / MySQL skills: schema design, query optimization, indexing, and debugging slow queries.

• Experience building and consuming REST and GraphQL APIs.

• Familiarity with automated testing (unit, integration, and browser/feature tests).

• Experience with Redis and background job systems (Sidekiq or equivalent).

• AWS experience in at least some of: S3, SQS/SNS, Lambda, CloudWatch, Elastic Beanstalk (or similar PaaS deployment).

• Ability to analyze complex, cross-domain business problems and deliver pragmatic solutions.

• Strong understanding of OOP, service design, and maintainable architecture in a large codebase. Strongly preferred

• Experience upgrading or maintaining large legacy Rails apps (Rails 6/7 migrations, gem upgrades, deprecation cleanup).

• Experience with Auth0 or similar identity providers (MFA, SSO, session lifecycle).

• Experience with messaging platforms: Twilio, SendGrid, or telecom/SMS compliance (A2P/10DLC).

• Docker and GitHub Actions CI/CD.

• GraphQL in production (schema design, batching/loaders, API versioning/compatibility).

• ActiveStorage / file upload pipelines (image/video processing, public/private S3 URLs).

• Performance tuning in Rails (caching, queue design).

• Security-minded development (CSRF/session hardening, webhook validation).

• i18n/localization experience. Tech stack Backend Ruby 3.4, Rails 7.2, Puma Frontend JavaScript, jQuery, Bootstrap, Sprockets Data MySQL 8.0, Redis APIs GraphQL (graphql-pro), REST/JSON Jobs Sidekiq (+ scheduler, uniqueness, status) Cloud AWS (S3, SQS, SNS, Lambda, Elastic Beanstalk) Auth Devise, Auth0, JWT, MFA Integrations Twilio, SendGrid, Bandwidth, Google APIs, New Relic DevOps Docker, GitHub Actions, Terraform-managed EB envs Testing/Quality Minitest, Capybara, Selenium, RuboCop, Brakeman Recent work you''d likely touch

• Rails 7 stabilization and post-upgrade cleanup

• Auth0 MFA rollout and session handling

• ActiveStorage migration from Paperclip

• SMS/email reliability (Twilio, SendGrid webhooks, MMS video transcode)

• GraphQL API compatibility and performance

• Security audit remediation

• CI/CD and Docker workflow improvements Nice to have

• Veterinary / healthcare / SaaS practice-management domain experience

• Terraform/IaC familiarity (infra lives in ally-terraform)

• Experience with feature flags, soft deletes, audit trails (PaperTrail)

Educational Qualifications:

·         Required - Bachelor’s degree in Computer Science, Information Technology, Computer Engineering or closely related or equivalent.

·         Preferred - Master’s degree in Management Information Systems (MIS), Computer Science, Big Data or Analytics or equivalent.

Travel:

·         Open to travel based-up on the nature of the engagement.

Thanks & Regards

Srikanth Donkani

Resource Manager

(w):

(E):

2260 Haggerty Road, Suite 285 Northville, MI 48167

Equal Employment Opportunity

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Employment decisions are based solely on qualifications, merit and business needs.