Senior FullStack Developer – .Net/React

Jobtailor; Deutschland; Vor Ort; EUR 90.000 - 120.000; Vollzeit

Zusammenfassung

Jobtailor in Germany is seeking a senior software developer to design, build, and deliver robust .NET applications and modern frontend interfaces.

You will work with React.js, TypeScript, and a microservices-based backend, applying TDD, DDD, and cloud best practices to create scalable solutions for our clients.

The role involves collaboration with product and design teams to ship features that meet business goals and user needs, while maintaining high quality and performance standards.

Qualifikationen

• 8+ years of commercial software development experience.
• .NET and object-oriented programming expertise.
• Proven frontend experience with React.js and TypeScript.
• Experience with TDD, unit/integration/acceptance testing.
• Knowledge of DDD, microservices, REST/GraphQL, and message queues.
• Docker and cloud platforms (AWS or Azure).
• Strong communication and teamwork skills.

Aufgaben

• Design, code, test, and document software applications using .NET and related tech.
• Ensure performance, quality, and responsiveness of apps.
• Develop responsive frontend interfaces with React.js.
• Collaborate to define, design, and ship new features.
• Translate business requirements into technical solutions.
• Maintain, support, and enhance existing systems.
• Participate in code reviews and maintain documentation.
• Develop unit and functional tests; define test scenarios.

Kenntnisse

.NET expert

React.js

TypeScript

TDD

DDD

REST/GraphQL

Docker

Cloud AWS/Azure

SQL/NoSQL

Communication

Tools

GraphQL

REST APIs

MS SQL Server

MongoDB

AWS

Azure

Docker

Jobbeschreibung

Responsibilities

• Design, code, test, debug, and document software applications using .NET, cloud and related technologies.
• Ensure the performance, quality, and responsiveness of applications.
• Develop responsive, user-friendly frontend interfaces using React.js.
• Collaborate with the team to define, design, and ship new features.
• Work with project leaders, product owners, and developers to understand business requirements and translate them into technical solutions.
• Collaborate with designers to implement visually appealing UI/UX designs.
• Provide ongoing maintenance, support, and enhancements to existing systems.
• Offer support to end-users of the application, by troubleshooting and problem solving.
• Stay up to date with new technology trends and best practices in .NET development.
• Continuously improve the codebase, fix bugs, and optimize performance.
• Participate in code reviews to ensure code quality and shared knowledge.
• Create and maintain comprehensive documentation for software solutions.
• Develop and implement unit and functional tests to ensure code quality.
• Assist in defining test scenarios and in testing the developed functionality.

Requirements

• 8+ years in commercial development.
• Strong technical expertise in .NET and object-oriented programming.
• Proven experience in client-side (frontend) development with a strong focus on React.js.
• Practical experience in Test-Driven Development (TDD), unit, integration, and acceptance testing.
• Solid understanding of Domain-Driven Design (DDD).
• Experience with TypeScript and its application in frontend development.
• Proficiency in JavaScript, HTML, CSS, and related web technologies.
• Good understanding of client-server architecture and asynchronous programming.
• Experience with microservices, distributed architecture, GraphQL, REST APIs, event buses, and message queues.
• Familiarity with SQL/NoSQL databases (MS SQL Server, MongoDB).
• Experience with Docker and cloud platforms (AWS or Azure).
• Excellent communication, teamwork, detail-oriented, and analytical skills.

Core Competencies

Demonstrates extensive expertise in .NET development, including strong proficiency in React.js, TypeScript, and Test-Driven Development (TDD). Capable of delivering high-quality software solutions through effective collaboration, problem-solving, and adherence to best practices in coding and testing.