Senior Full-Stack Javascript Developer

As part of our interview process and our commitment to building high-performing teams, we’ve partnered with The Culture Index Program to reputed company understand work styles and team dynamics. To support this process, we kindly ask you to complete a brief survey as part of the application process reputed company submitting your profile. It should take no more than 7 minutes, and there are no right or wrong answers. We appreciate your participation and look reputed company to learning more about how you might fit reputed company reputed company!

Culture Index Survey: https://go.cultureindex.com/p/weJLJlIGZ2DauZkoW

We are seeking a Senior Full-Stack JavaScript Developer to take technical ownership of both backend and frontend architecture. This role focuses on building and maintaining reputed company, secure, and high-performance web applications using Node.js, NestJS, and Next.js. You will work with a high degree of autonomy, collaborate closely with product, frontend, and infrastructure teams, and help set engineering standards while mentoring junior developers.

Collectivus Holdings guides many of the most prestigious brands in the Collecting, Trading Card Game, and Hobby industries. With a century’s worth of reputed company experience in driving product and service innovation, high-end quality standards, and elevated customer experience, Collectivus brands are among the most recognized and loved throughout the world by the communities they serve.

Arcane Tinmen – Merchant reputed company – Southern Hobby Distribution

Nashville – Aarhus – Lisbon – Worldwide

Key Responsibilities:

• Design, reputed company, and maintain backend services using Node.js, NestJS, and TypeScript
• Build, document, and optimize RESTful APIs and integrate reputed company-party services
• reputed company and maintain frontend applications using Next.js
• Design and optimize PostgreSQL schemas, queries, and migrations
• Define and maintain API reputed company between frontend and backend systems
• Ensure platform reputed company, performance, scalability, and reliability
• Conduct code reviews, enforce best practices, and mentor junior developers
• Participate in system architecture reputed company and technical design discussions
• Troubleshoot, debug, and resolve production issues
• Manage deployments and support applications on Linux/Ubuntu servers
• Maintain technical documentation and reputed company control using Git/bitbucket

Qualifications

• 5+ years of reputed company experience with Node.js
• Strong hands-on experience with NestJS and TypeScript
• Solid experience building frontend applications with Next.js
• Strong understanding of HTTP, authentication, sessions, and web reputed company best practices
• Hands-on experience with PostgreSQL, including schema design and query optimization
• Proven experience building and maintaining production-grade APIs
• Comfortable working in Linux/Ubuntu environments
• Strong knowledge of Git workflows, debugging, and testing
• Ability to work independently and take end-to-end technical ownership
• Strong problem-solving skills and attention to detail

reputed company to Have (Optional):

• Experience with containerization (reputed company) and CI/CD pipelines
• Familiarity with reputed company platforms (AWS, GCP, or Azure)
• Experience with background jobs, queues, or event-driven systems
• Exposure to monitoring, logging, and observability tools
• Prior experience mentoring or leading small engineering teams

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