Senior Full-Stack Engineer — Node.js/React FinTech

S-PRO; Polska; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Flexible schedule

Remote work model

Medical insurance

Paid vacations

Paid Sick-leaves

Paid State holidays

Job summary

S-PRO, a top-tier Digital Innovation and Software Engineering company, is seeking a motivated Full-Stack Developer for its cutting-edge fintech project. You will build end-to-end features across backend (Node.js, NestJS) and frontend (React, MUI), working with PostgreSQL and Kafka in a cloud environment.

Join a team of 200+ professionals delivering innovative digital solutions, with a remote-friendly setup and opportunities to grow within finance, healthcare, and energy domains.

Qualifications

• 5+ years of experience as a FullStack Developer.
• FinTech projects or payment-systems integrations.

Responsibilities

• Develop and maintain end-to-end features across backend (Node.js, NestJS) and frontend (React, MUI).
• Build event-driven services with Kafka and design PostgreSQL data models for financial operations.
• Integrate with payment providers and blockchain infrastructure (tokenization, smart contracts, transactions).
• Contribute to infrastructure (AWS, Terraform, Helm, Kubernetes) and monitoring (Datadog).
• Analyze requirements, propose solutions, and provide estimates.
• Write tests, participate in code reviews, and support production.
• Collaborate with product, QA, and DevOps teams.

Skills

Full-stack development

FinTech experience

Requirements analysis

Code reviews

Distributed systems

Tools

Node.js

TypeScript

NestJS

React

React Query

Valtio

MUI

PostgreSQL

TypeORM

Kafka

Docker

Kubernetes

Terraform

Helm

Datadog

AWS (S3, SES, RDS)

Job description

S-PRO, a top-tier Digital Innovation and Software Engineering company, is seeking a motivated Full-Stack Developer for its cutting-edge fintech project. You will build end-to-end features across backend (Node.js, NestJS) and frontend (React, MUI), working with PostgreSQL and Kafka in a cloud environment.

Join a team of 200+ professionals delivering innovative digital solutions, with a remote-friendly setup and opportunities to grow within finance, healthcare, and energy domains.