Senior Full-Stack .NET Core + React Engineer (Remote)

POT Consults; United States; Remote; USD 110,000 - 170,000; Full time

Benefits offered by this job

Fully remote work

European client exposure

12-month contract

Proximity to architecture decisions

Job summary

POT Consults is seeking a Senior Full Stack Developer to join a fully remote, 12-month engagement working with a Europe-based client. You will collaborate with the in-house developer on feature development, bug fixes, and maintenance of a multi-tenant SaaS product, following European working hours and best practices.

The role covers ASP.NET Core 8 backend, React 19 frontend, and PostgreSQL, with AWS, Docker, and modern frontend tooling in a fully remote setup.

Qualifications

• Experience building RESTful APIs with ASP.NET Core and .NET 8.
• Strong PostgreSQL data modelling and query optimization.
• Familiarity with EF Core migrations and multi-tenancy concepts.
• Experience with AWS Cognito, Amplify, and JWT-based authentication.
• Proficiency in React, TypeScript, MUI, Formik and Yup.

Responsibilities

• Develop, maintain, and enhance full-stack features (ASP.NET Core backend + React frontend).
• Build responsive UI components using React 19, TypeScript, MUI, and Formik/Yup.
• Write backend APIs using ASP.NET Core and .NET 8, with PostgreSQL via EF Core 8.
• Participate in code reviews, maintain code quality, and document technical decisions.
• Identify, diagnose, and resolve bugs across the application stack.
• Collaborate with the lead developer on sprint planning and technical decisions.
• Support basic CI/CD workflows using GitHub and AWS CodeDeploy.
• Write unit and integration tests using Vitest and Testing Library.

Skills

ASP.NET Core

.NET 8

PostgreSQL

EF Core 8

Multi-Tenancy

AWS Cognito

JWT

React

TypeScript

MUI

Formik

Yup

Vitest

i18next

Chart.js

Docker

Vite

AWS

GitHub

Tools

GitHub

Docker

AWS CodeDeploy

EC2

Job description

POT Consults is seeking a Senior Full Stack Developer to join a fully remote, 12-month engagement working with a Europe-based client. You will collaborate with the in-house developer on feature development, bug fixes, and maintenance of a multi-tenant SaaS product, following European working hours and best practices.

The role covers ASP.NET Core 8 backend, React 19 frontend, and PostgreSQL, with AWS, Docker, and modern frontend tooling in a fully remote setup.