Junior Full Stack Developer (Node.js / TypeScript / Relational DB / Front-End) at ONE BRAND STUDIO - Athens, Attica, Greece

Junior Full Stack Developer (Node.js / TypeScript / Relational DB / Front-End)

ONE BRAND STUDIO

Athens, Attica, Greece permanent

Posted: January 16, 2026

Required Skills

Job Description

ONE BRAND STUDIO is a digital communications agency delivering data-driven, technology-enabled solutions that help brands connect with audiences through measurable, high-impact digital experiences.

Through our proprietary platform, Theta marketplace, we use data-driven digital ecosystems to ensure precise audience targeting and enhanced performance of programmatic campaigns in brand-safe environments. We design integrated systems to manage and analyze data from various ad technology and marketing platforms, enabling automated workflows and actionable insights, whereas our creative team delivers impactful storytelling and immersive ad formats that enhance consumer experience and user engagement.

We are looking for a Junior Full Stack Developer to join our team and start building modern web applications. This position is well suited to an early-career developer who is motivated to build strong technical foundations, learn from experienced engineers, and progressively take ownership of production systems.

Key Responsibilities

• Support the developing backend services with Node.js & TypeScript
• Work on frontend features using frameworks like Vue.js, Angular, or React
• Help design and maintain relational databases (PostgreSQL, MySQL, etc.)
• Learn and follow CI/CD workflows using GitLab
• Collaborate with senior developers, designers, and product managers
• Write clean, maintainable, and well-documented code
• Participate in code reviews and learn best practices

Requirements:
• Up to 2 years of professional experience in software development
• Basic experience with Node.js and TypeScript
• Working knowledge of at least one frontend framework (Vue.js, Angular, or React)
• Familiarity with relational databases and understanding of relationships
• Basic understanding of Git and CI/CD pipelines (GitLab is a plus)
• Eagerness to learn and grow in a team environment
• Good problem-solving skills and attention to detail
• Fluent in English, written and spoken

Preferred Qualifications

• Experience with RESTful APIs
• Any open-source contributions or personal projects

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