Senior Fullstack Engineer (Node.js, Vue.js) (B2B)

Responsibilities

• Design and maintain backend services and APIs using TypeScript, Node.js, and NestJS, while making architectural decisions and evaluating trade-offs.
• Build and support frontend applications using Vue and Nuxt, ensuring a good developer-facing UX.
• Develop internal tools and platforms that improve developer productivity, system visibility, and workflow automation.
• Evaluate technical solutions, balancing cost, performance, complexity, and maintainability.
• Collaborate with DevOps engineers on cloud infrastructure, CI/CD, and observability integration.
• Troubleshoot issues, perform root cause analysis, and drive continuous improvements.
• Build POCs to validate new technologies and drive experimentation.

Qualifications

• Completed university degree in Computer Science, Data Science, Mathematics, or a related technical field.
• Strong background in fullstack software development (5+ years) with hands-on delivery of production systems.
• Solid command of TypeScript, Node.js, and backend frameworks such as NestJS.
• Practical knowledge of building frontend applications using Vue or Nuxt.
• Good understanding of event-driven architectures and messaging systems such as Kafka.
• Familiarity with cloud environments (AWS: ECS, EKS, EC2, IAM, Lambda) and how services are deployed and operated.
• Working knowledge of CI/CD pipelines (GitLab CI) and Infrastructure as Code (Terraform / AWS CDK).
• Ability to work with technical design discussions, system architecture topics, and cross-team engineering challenges.
• Strong communication skills in English and Polish, with readiness to work in a hybrid model in Katowice.