Full Stack Developer

7 days ago

Lahore, Punjab, Pakistan Prima Systems Full time 1,200,000 - 3,600,000 per year

Job Title: Backend / Full Stack Developer (Ruby on Rails + Angular)

Location: Near Thokar Niaz Beg, Lahore

Job Type: Full-time, On-site

Experience Level: 2–3 Years

Education: BS in Computer Science or equivalent from a reputable institution

Timings: 11AM-8PM

Position Overview

We're looking for a proactive and technically strong Ruby on Rails developer who can work across the full stack (backend + Angular frontend) to enhance and scale the WellWink platform.

The ideal candidate will play a key role in new feature development, system integrations (DirectTrust, EHR APIs), and performance optimization of our core application.

You'll collaborate with product architects, UI engineers, and QA teams to design, develop, and deploy secure, high-quality healthcare software.

Key Responsibilities

  • Develop, enhance, and maintain backend services using
    Ruby on Rails (API-driven architecture)
    .
  • Contribute to front-end features in
    Angular
    , Bootstrap, and CSS as needed.
  • Implement and integrate
    DirectTrust / HISP
    secure messaging for interoperability with external EHRs.
  • Participate in design and development of
    REST APIs
    , CCD/FHIR data handling, and secure data exchange modules.
  • Optimize database queries, caching, and background jobs (Sidekiq / ActiveJob).
  • Collaborate with DevOps to improve deployment pipelines, monitoring, and error tracking.
  • Write clean, maintainable, and well-tested code following best practices (RSpec/Minitest, RuboCop).
  • Participate in code reviews, architecture discussions, and sprint planning.
  • Ensure
    HIPAA-compliant
    data security, encryption, and audit logging across application layers.
  • Contribute ideas and feedback on system scalability, usability, and performance.

Required Skills and Experience

  • 2–3 years of professional experience
    in Ruby on Rails development (API + MVC).
  • Strong command over
    PostgreSQL
    and query optimization.
  • Hands-on experience with
    REST APIs
    , JSON data exchange, and 3rd-party API integration.
  • Familiarity with
    Angular
    or another modern front-end framework (React/Vue).
  • Knowledge of
    Redis
    ,
    Sidekiq
    , and background job scheduling.
  • Experience using
    Git
    ,
    Capistrano
    , and Linux-based deployment environments.
  • Solid understanding of
    secure application design
    , authentication (JWT/Devise), and role-based access control.
  • Strong debugging and problem-solving skills, with an analytical approach.
  • Excellent written and verbal communication skills.

Preferred / Plus Skills

  • Experience working on healthcare software (EHR, EMR, or interoperability).
  • Familiarity with
    FHIR / HL7 / CCD data structures
    .
  • Prior work on
    DirectTrust / HISP integrations
    .
  • Knowledge of
    React Native
    or mobile development basics.
  • Exposure to
    AWS or Azure cloud
    environments.
  • Understanding of
    CI/CD
    tools (GitHub Actions, GitLab CI, Jenkins).

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