Senior Full-Stack Engineer / AI Backend Engineer / UI/UX Designer
Company: Flexisource IT
Location: Location not specified (Remote)
Type: Full-time
Remote: Yes
Posted: 2026-05-19
About this role
Senior Full-Stack Engineer / AI Backend Engineer / UI/UX Designer
(SaaS Platform Development | Healthcare Tech)
We are looking for experienced professionals to join an innovative SaaS platform project in the healthcare space.
If you have expertise in
Full-Stack Engineering, AI/Backend Development, or UI/UX Design
, we’d love to hear from you.
1. Senior Full-Stack Web & App Engineer
Ownership:
Ingestion, Dashboard, Authentication, Deployment
Key Requirements
- 5+ years of experience building
production SaaS web applications
- Strong experience with
React or Vue.js
(Frontend)
- Strong experience with
Node.js or Python
(Backend)
- Hands-on experience with
PostgreSQL
, including row-level security or schema-per-tenant architecture
- Experience deploying applications on
AWS
(ECS/Fargate, RDS, S3, CloudFront)
- Solid understanding of
OAuth 2.0 / JWT-based authentication
- Proven experience launching at least
one B2B SaaS product with paying customers
Must-Have Experience
- Healthcare data experience, including
privacy and encryption patterns
- Stripe billing integration
- Stripe Connect
or similar percentage-fee/payment handling systems
2. AI / Backend Engineer
Ownership:
Price Guide Engine, AI Matching, Security
Key Requirements
- 3+ years of backend development experience using
Python
(
FastAPI, Flask, or Django
)
- Experience integrating
LLM APIs
such as
OpenAI, Anthropic, or Azure OpenAI
- Strong understanding of:
- Prompt Engineering
- Retrieval-Augmented Generation (RAG)
- Function Calling
- Experience with
Vector Databases
(pgvector, Pinecone, or Weaviate)
- Experience building
data pipelines
, including Pandas and CSV/Excel processing at scale
- Knowledge of
background job processing
(Celery, BullMQ, or AWS SQS)
Must-Have Experience
- Experience with
**healthcare or governme...