Freelance Software Engineer – Full Stack, Node.js, React, TypeScript

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Stellenbeschreibung:

Responsibilities

Design, build, and maintain full-stack applications using Node.js, React, TypeScript, NestJS, and PostgreSQL.
Develop and maintain integrations with external APIs, including REST and other web service technologies.
Extend and customize our core platform to meet customer-specific business requirements.
Design clean, maintainable, and scalable backend services and frontend applications.
Collaborate with customers and internal stakeholders to understand integration requirements and translate them into technical solutions.
Troubleshoot integration issues across distributed systems and work with third-party vendors when necessary.
Write well-tested, production-ready code with a focus on reliability, performance, and security.
Participate in code reviews, architecture discussions, and continuous improvement initiatives.
Contribute to documentation for integrations, APIs, and internal development processes.

Requirements

Strong experience with TypeScript.
Professional experience developing backend services with Node.js and NestJS.
Experience building modern frontend applications with React.
Solid understanding of PostgreSQL and relational database design.
Experience consuming and integrating external APIs.
Good understanding of RESTful API design and HTTP protocols.
Experience with Git and collaborative software development practices.
Strong problem-solving skills and the ability to work independently.
Excellent communication skills and the ability to work directly with both technical and non-technical stakeholders.

Core Competencies

Demonstrates expertise in full-stack application development using Node.js, React, TypeScript, and PostgreSQL, with a strong focus on building scalable and maintainable solutions. Proven ability to collaborate with stakeholders to translate business requirements into technical specifications and troubleshoot integration issues effectively.