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
Senior

Job 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

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