Senior Full Stack JS Engineer
NineTwoThree AI Studio
1 month ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
SeniorJob location
Remote
Tech stack
JavaScript
API
Artificial Intelligence
Amazon Web Services (AWS)
Amazon Web Services (AWS)
Amazon Web Services (AWS)
Business Logic
Django
Python
PostgreSQL
Node.js
OAuth
Redis
Swagger
Socket
TypeScript
WebSocket
Openapi
Real Time Systems
React
Amazon Web Services (AWS)
Pytest
WebPack
Material Design
Real Time Data
Celery
Front End Software Development
React
REST
DocuSign
Docker
Microservices
Job description
It is a comprehensive financial services platform built for an established insurance and financial services company. The platform handles:
- Insurance products (motor, life, property, major medical)
- Loan management (vehicle, personal, mortgage, commercial)
- Investment and annuity products
- Digital client services and employee benefits
- Real-time financial transactions and reporting
- AI document processing
This is a production system processing real transactions for real customers, with established business processes and regulatory compliance requirements., Work on a mature financial platform with real business requirements:
- Maintain and enhance banking/lending features, payment processing, and compliance workflows
- Work across our polyglot microservices architecture (Node.js/TypeScript and Python/Django)
- Implement complex business logic for insurance products, loan origination, and investment services
- Build real-time data processing systems using WebSockets and event-driven patterns
- Integrate with third-party services (DocuSign, payment gateways, banking APIs)
- Full-stack development from REST APIs to React frontends
- Ensure transaction integrity and regulatory compliance
- Collaborate with a stable team that knows the domain deeply, * Node.js/TypeScript: Koa.js, Objection.js, Knex.js
- Python: Django 4.2+, Django REST Framework, Celery
- PostgreSQL, Redis
Frontend:
- React, Redux, Material-UI
- TypeScript, Vite
- Formik, Yup validation
Infrastructure:
- AWS (S3, EC2, RDS)
- Docker, PM2, Gunicorn
- Socket.io, WebSockets
- DocuSign, Payment APIs
- Jest, Supertest, pytest
- Swagger/OpenAPI
Benefits
What We Offer
- Long-term stable position on established project
- 20 days PTO (25 after 3 years)
- 10 sick days, national holidays, 2 company days
- Well-being budget
- Maternity/paternity leave
- Professional development reimbursement
- Hardware as needed
- Stable, professional team environment
Process
Quick and efficient: HR screening Technical discussion Practical coding session Offer
Requirements
Do you have experience in TypeScript?, 5+ years Full Stack development with both Node.js/TypeScript AND Python/Django
- Strong React.js, Redux, and modern frontend development
- PostgreSQL expertise including complex queries, transactions, migrations
- Experience with both Knex/Objection.js (Node) and Django ORM
- Microservices architecture experience
- Real-time systems (WebSockets, Socket.io, Celery)
- AWS and Docker experience
- RESTful API design with JWT/OAuth authentication
- Testing frameworks (Jest for Node.js, pytest for Python)
- Financial or insurance systems experience is a plus
- Strong English communication (B2-C1)
- Overlap with Eastern USA timezone for meetings