Full Stack Developer JavaScript

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About the role

In this role, you will work on a highly flexible and customizable platform, implementing key features while ensuring scalability and performance. You will also play a key role in spreading knowledge within the team, identifying weak spots, and suggesting improvements to our architecture, security, and development processes.

Key Responsibilities

• Develop and maintain a complex, highly customizable SaaS platform using NestJS, MongoDB, and Redis.
• Implement and optimize authorization mechanisms (RBAC, permissions, policies).
• Write robust unit tests (Jest) and end-to-end tests (Supertest) to ensure code reliability.
• Integrate with various third-party services and ensure smooth communication between multiple systems.
• Utilize Docker for containerization and work with CI/CD pipelines (CircleCI) to automate deployments.
• Mentor and collaborate with team members, ensuring best practices and code quality.
• Analyze system performance and scalability, identifying potential bottlenecks and architectural improvements.
• Proactively identify weak spots in code, security, and processes, raising concerns and proposing improvements.

Required Skills & Qualifications

• 5+ years of experience in full stack development with Typescript/Javascript.
• Expertise in NestJS, MongoDB, and Redis.
• Strong understanding of authorization principles (RBAC, permissions, policies).
• Experience writing unit tests (Jest) and end-to-end tests (Supertest).
• Knowledge of Docker for containerization and experience with CI/CD pipelines (CircleCI).
• Ability to integrate with third-party services and APIs.
• Deep logical and problem-solving skills to handle complex business logic.
• Strong understanding of software architecture and scalable system design.
• Excellent communication skills and ability to mentor junior developers.

Nice-to-Have (Bonus Skills)

• Experience with Gremlin (Graph Databases).
• Prior experience working with highly customizable and flexible SaaS platforms.
• Knowledge of microservices architecture and event-driven systems.

What do we offer:

• friendly, informal team
• individual benefit system Cafeteria
• hybrid cooperation (3 days per week onsite in Prague)
• meal contribution
• Multisport card
• Prague public transport card
• 5 weeks holiday + 3 sick days
• contribution for pension insurance
• Work & Life Balance
• Green Environment & 2023 label #GreatPlaceToWork
• #fungineers concept events, sporting events, positive mood
• Free entry to Prague ZOO