Deutsche Telekom IT Solutions

Senior Backend Developer (REF5664G)

Deutsche Telekom IT Solutions
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20 days ago
Budapest, HungarySenior

Responsibilities

  • Design and implement backend services and REST APIs.
  • Develop new features in collaboration with the Product Owner and Architects.
  • Optimize application performance, scalability, and security.
  • Write unit and integration tests and review merge requests for coding standards.
  • Troubleshoot incidents and perform root-cause analysis.
  • Mentor junior and mid-level developers.
  • Document technical solutions.
  • Collaborate with DevOps on deployments and releases.
  • Participate in Agile ceremonies and application-related discussions.

Requirements

  • Bachelor’s or Master’s degree in Computer Science, Interaction Design, or a related field.
  • At least 5 years of experience in backend development roles, ideally involving enterprise-grade web applications.
  • Expert knowledge of TypeScript and Node.js, with deep understanding of REST APIs and microservices.
  • Hands-on experience with PostgreSQL data modeling, SQL optimization, backend architecture, and API design.
  • Experience with Git, GitLab, CI workflows, Jest, and secure software development principles.
  • Experience with Docker and containerized development, plus basic DevOps knowledge for deployments and release processes.
  • Kubernetes or OpenShift experience, AWS fundamentals, and geospatial technology experience are preferred or advantageous.
  • Fluent English, strong analytical and problem-solving skills, proactive communication, teamwork, quality awareness, and a mentoring mindset.
  • Agile mindset and experience collaborating in Agile ceremonies, including Scrum or SAFe.
  • Passion for continuous learning and adopting new technologies.

Benefits

  • Work on cutting-edge technology with real-world applications.
  • Modern, flexible, and remote-friendly working environment.
  • Remote work is available within Hungary only due to European taxation regulations.
  • Opportunities for continuous professional development and training.
Deutsche Telekom IT Solutions

About Deutsche Telekom IT Solutions

1,001-5,000 employees
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