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Qulix

Senior Backend Developer (TypeScript + NestJS + AWS)

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We are looking for a skilled Middle+/ Senior Backend Developers to join our team and take delivery responsibility for the further development and operation of a central platform services within the Global Accounting environment.

This role offers the challenge of working with a real-world, established ecosystem. Your scope will include a balance of maintaining legacy services, building new features, and driving the sustainable modernization of its architecture.

We value a pragmatic approach, technical curiosity, and an operational mindset.

What You Will Do:

  • - Build new features and backend services while sustainably modernizing historically grown architectures.

  • - Dive into existing legacy code to understand, support, and successfully upgrade it.

  • - Take operational responsibility for your services, analyzing production systems and ensuring their stability.

  • - Independently troubleshoot production applications and resolve technical challenges.

  • - Actively contribute architectural and process improvement proposals.

Must-Haves:

  • - High seniority level in TypeScript, NestJS, and AWS.

  • - Practical experience with production cloud systems, DevOps practices, and application troubleshooting.

  • - Proven track record of working with legacy code, reverse engineering, and migrating older systems to modern standards.

  • - A realistic, solution-oriented approach to complex, historically grown software architectures.

  • - Experience taking full end-to-end ownership of existing services.

Nice-to-Have:

Experience or basic skills in React to help with minor full-stack tasks when needed.

Tech Stack:

TypeScript, NestJS, AWS, React.

Skills

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