Senior Full Stack Developer

Senior Full Stack Developer (JavaScript/TypeScript/React) (m/f/d)

Location: Hamburg, Germany

Work Model: Hybrid & Remote

Employment Type: Full-Time

Salary: €75,000–€100,000 per year

Language Requirement: German (C1) & English

About the Job

We are looking for an experienced **Senior Full Stack Developer (m/f/d)** to join our growing technology team in Hamburg. In this role, you will design, develop, and maintain modern web applications using *JavaScript, TypeScript, and React*, while contributing to backend services, APIs, and scalable cloud-based solutions.

Key Responsibilities

* Design, develop, and maintain modern web applications using JavaScript, TypeScript, and React.

* Develop and integrate backend services and RESTful APIs using Node.js or similar backend technologies.

* Collaborate closely with designers, product managers, and developers to deliver high-quality software solutions.

* Optimize application performance, scalability, security, and maintainability.

* Maintain, improve, and troubleshoot existing applications.

* Participate in code reviews and promote software engineering best practices.

* Support the maintenance and customization of WordPress websites when required.

* Provide technical support and collaborate with team members on IT-related challenges.

* Contribute ideas for continuous improvement, innovation, and product development.

Required Qualifications

* Minimum 8 years of professional experience developing modern web applications.

* Strong expertise in *JavaScript, TypeScript, and React*.

* Experience developing backend applications using Node.js, Bun, or similar frameworks.

* Excellent knowledge of HTML5, CSS3, and modern web development standards.

* Experience using Git and collaborative version control workflows.

* Solid understanding of responsive web design and cross-browser compatibility.

* Strong analytical thinking and problem-solving abilities.

* Excellent communication and collaboration skills.

* Professional proficiency in **German (C1)** and English, both written and spoken.

Experience with the following technologies is considered an advantage:

* WordPress

* PHP

* AWS

* Docker

* Kubernetes

* Cloud Infrastructure

* CI/CD Pipelines

Benefits

* Competitive annual salary of *€75,000–€100,000*

* Hybrid work model with flexible scheduling

* Up to **46 remote working days per year**

* Opportunity for **EU workation** (up to 5 remote days annually)

* Professional development and continuous learning opportunities

* Complimentary access to financial education and learning resources

* Collaborative, supportive, and innovative work environment

* Excellent career growth opportunities within a fast-growing company

* Opportunity to contribute ideas and influence product development

* Stable full-time employment with long-term career prospects

Remote Work Policy

* Hybrid work arrangement

* 46 remote working days per year (approximately one day per week)

* No fixed office or remote schedule,employees manage their own remote work allocation

Qualified and Interested candidates should send CVs 'misturaadeola@jobsmediator.com' with "Senior Full Stack Developer" as the subject

Job Type: Full-time

Pay: 75.000,00€ - 110.000,00€ per year

Application Question(s):

• Do you have excellent knowledge of HTML5, CSS3, and modern web development standards?
• What is your proficiency in German speaking?
• Do you have experience using JavaScript, Typescript and React?

Education:

• Bachelor's (Required)

Experience:

• developing modern web applications?: 8 years (Required)

Location:

• Hamburg (Required)

Work Location: In person