{"id":1266524,"url":"https://alion.io/job/calpion-software-technologies-pvt-ltd-senior-full-stack-developer","title":"Senior Full Stack Developer","company":{"id":3800330,"name":"Calpion Software Technologies Pvt. 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You'll work alongside our AWS Solutions Architect to modernize a legacy Salesforce-based system while maintaining HIPAA compliance and zero downtime for active providers.\n\nRequired Qualifications : \n\n- 5+ years building production React applications\n\n- 5+ years building production Node.js applications (Express or similar)\n\n- 3+ years working with PostgreSQL or similar relational databases\n\n- 2+ years AWS cloud services (EC2, ECS, RDS, S3, IAM, CloudWatch)\n\n- 2+ years leading or mentoring other developers\n\n- Proven ability to ship features end-to-end (design - deployment)\n\n- Experience migrating legacy systems to modern architectures\n\nTechnical Stack : \n\n- Frontend : React 18+, TypeScript, Tailwind CSS, TanStack Query, Redux/Zustand\n\n- Backend : Node.js, Express.js, PostgreSQL, Redis\n\n- Cloud : AWS (ECS/Fargate, RDS, S3, CloudFront, CloudWatch, SNS/SQS)\n\n- DevOps : Docker, GitHub Actions, Terraform/CloudFormation\n\n- Tools & Monitoring : Datadog/CloudWatch, Sentry, GitHub, Jira\n\nPreferred Qualifications : \n\n- Healthcare/HIPAA experience - Previous work on HIPAA-compliant systems\n\n- Salesforce integration - Experience with Salesforce REST APIs, OAuth, JWT\n\n- GraphQL - Query language experience\n\n- Microservices architecture - Built or worked with microservices systems\n\n- AWS Advanced - Lambda, SNS/SQS, Cognito, API Gateway\n\n- Data-heavy applications - Built systems handling 100M+ records, complex reporting\n\n- Claims processing - Understanding of healthcare billing, claims workflows, RCM\n\n- ABA therapy domain - Knowledge of autism therapy, therapy management, insurance billing\n\n- Distributed team experience - Worked across US/India time zones, asynchronous collaboration\n\nSkills\nFull Stack, React.js, Node.js, Microservices Architecture, Express.js, PostgreSQL, AWS, TypeScript, Redux","description_format":"text","description_chars":1977,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","Custom Software Development","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-09-25T22:00:00Z"}],"liveness":{"score":42,"band":"fade","label":"Fading","p_open":0.85,"p_active":0.657,"p_room":0.75,"age_days":23,"expected_fill_days":24,"reasons":["seen:23","velocity","win:late"],"computed_at":"2026-09-27T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/calpion-software-technologies-pvt-ltd-senior-full-stack-developer","json_url":"https://alion.io/job/calpion-software-technologies-pvt-ltd-senior-full-stack-developer.json","meta":{"generated_at":"2026-09-28T05:41:33Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3858,"day_limit":5000,"remaining_today":1142,"minute_limit":60,"resets_at":"2026-09-29T00:00:00Z"}}}