#77 Senior Full Stack JS Engineer (with Python experience)

NineTwoThree AI Studio; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A global technology company is seeking a Full Stack Developer to work on a mature financial services platform. This full-time, remote position requires expertise in Node.js and Python, with responsibilities that include maintaining banking features, implementing business logic, and collaborating with a skilled team. The ideal candidate will have over 5 years of experience in full-stack development, especially in financial systems, and offer a competitive benefits package including PTO and personal development reimbursement.

Servicios

20 days PTO

10 sick days

Professional development reimbursement

Formación

• 5+ years of experience in Full Stack development.
• Proficiency in Node.js / TypeScript and Python / Django.
• Strong background in real-time systems and microservices.

Responsabilidades

• Maintain and enhance banking/lending features and payment processing.
• Implement complex business logic for insurance products.
• Collaborate with a stable team to ensure compliance.

Conocimientos

Full Stack development

Node.js / TypeScript

Python / Django

React.js

PostgreSQL

Microservices architecture

AWS

Docker

Real-time systems

Strong English communication

Herramientas

Jest

Celery

Swagger/OpenAPI

Descripción del empleo

Why Join Us?

🔹 100% remote | 🌎 Global team | ⏳ Full-time

Join a stable, long-term project that's been in continuous development for 5+ years. The project offers consistent, meaningful work on a mature financial services platform.

Project overview :

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.

Why This Position is Different?

• ✅ Stable, Long-term Project : Same project for 5+ years, deep domain expertise
• ✅ Mature Codebase : Well-structured, documented, with established patterns
• ✅ Real Business Impact : Your code affects real financial transactions and client services
• ✅ Technical Variety : Polyglot architecture (Node.js + Python / Django), multiple services
• ✅ Professional Growth : Become an expert in financial services technology

What You'll Do :

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

Requirements

Technical Requirements :

• 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

Tech Stack

Backend :

• 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

Apply now for a stable, long-term position on an established financial services platform.