Freelance (Hourly) Full‑stack Developer (.NET Core + React.js)

Leptes Yazılım; Fatih; Remoto; TRY 358.000 - 523.000; Part-time

Descrizione del lavoro

Leptes Yazılım is seeking a long‑term freelance/full‑stack developer to design, develop and maintain backend services in .NET and frontend in React for EU clients. You will work 30–40 hours per week, remotely from Türkiye, with CET overlap, starting ASAP.

You will use .NET Core, React, Next.js, EF Core and SQL Server, and participate in code reviews, CI/CD, and iterative delivery. Monthly invoicing is required and English communication is daily.

Competenze

• 4+ years of full-stack development experience.
• 4+ years with C#/.NET (6–9) and EF Core.
• 2+ years building SPAs with React.js and 2+ years with TypeScript.
• Strong MSSQL skills.
• Business English (B2+) for daily standups.
• Must be located in Türkiye.
• Invoices issued monthly for work.
• Attend daily meetings with the Customer.

Mansioni

• Design, develop and maintain .NET 6–10 backend services and REST APIs.
• Build responsive UI with React (Hooks + Redux) and TypeScript; contribute to Next.js features (SSR/App Router, API routes, Auth.js/NextAuth).
• Work with Entity Framework Core and SQL Server (schema design, queries, tuning).
• Write clean, testable code; participate in code reviews and follow Git/CI/CD practices.
• Collaborate with PMs/designers, refine requirements, estimate tasks and deliver iteratively.

Conoscenze

.NET

C#

React

TypeScript

Next.js

EF Core

SQL Server

REST APIs

Git / CI/CD

English (B2+)

Strumenti

Docker

OpenAI / Azure AI

CI/CD tooling

Descrizione del lavoro

Leptes is a software development company serving EU clients. We build modern web apps primarily on .NET Core, SQL Server, React and Next.js.

Engagement & Location

• Type: Long‑term freelance / contractor (hourly)
• Hours: 30–40 h/week (flexible) with 3–4h overlap with CET
• Location: Remote (Turkey)
• Start: ASAP

Compensation & Invoicing

• Rate: Hourly Rate will be applied including VAT.
• Invoicing: Monthly (TR invoice required). Payments via bank transfer.

What you’ll do

• Design, develop and maintain .NET 6–10 backend services and REST APIs.
• Build responsive UI with React (Hooks + Redux) and TypeScript; contribute to Next.js features (SSR/App Router, API routes, Auth.js/NextAuth).
• Work with Entity Framework Core and SQL Server (schema design, queries, tuning).
• Write clean, testable code; participate in code reviews and follow Git/CI/CD practices.
• Collaborate with PMs/designers, refine requirements, estimate tasks and deliver iteratively.

Must‑haves

• 4+ years work experience as full-stack development
• 4+ years in .NET (C#, .NET 6–9, EF Core, .Net MVC).
• 2–4+ years building SPAs with React.js and 2+ years with TypeScript.
• Solid SQL skills on MSSQL.
• Working English (B2+) for daily standups and async written communications
• Must be located in Türkiye
• Candidates must be able to issue invoices for their work.
• Candidates must attend to daily meetings with the Customer

Nice to have

• Experience with testing (xUnit/Jest), performance profiling, and caching
• Next.js experience (SSR, App Router, API routes; Auth.js/NextAuth).
• Knowledge of Azure AI (Open AI, AI Foundry)
• DevOps basics (Docker, CI/CD).
• Legacy front‑end exposure (jQuery/AJAX) for maintenance cases.

Requirements

• 4+ years of work experience as a full-stack developer
• 4+ years of work experience with C#
• 2+ years of work experience with React.js
• Candidates must be able to issue invoices monthly