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Senior Fullstack Developer (A&O)

Fullstack Developer • Senior • On-site • Full-time • Hungary Budapest, Hungary

Join Ericsson's Automation & Orchestration (A&O) teams as a Senior Fullstack Developer, working on Hydra (the internal R&D configuration management database and APIs) and eStart (the internal R&D infrastructure self-service portal), while leading the migration from PHP to Kotlin/Spring Boot.

Responsibilities

  • ▹Design frontend features using Angular (16+), Material, TypeScript, and RxJS.
  • ▹Implement backend services using Java/Spring Boot, Kotlin, and Hibernate/MySQL, including system architecture, integrations, and database design.
  • ▹Lead platform modernization, migrating a PHP monolith to Kotlin microservices (strangler fig pattern) with zero-downtime operations.
  • ▹Break down requirements into user stories and clarify acceptance criteria with stakeholders.
  • ▹Drive adoption of AI-assisted development tools to improve workflows and code quality.
  • ▹Mentor developers through code reviews and technical leadership.
  • ▹Contribute to the technical roadmap and architectural decisions.
  • ▹Promote Agile and DevSecOps ways of working, including PI planning and retrospectives.
  • ▹Collaborate with other A&O teams, Product Owners, and Service Delivery Managers.

Requirements

  • ▹5+ years of professional fullstack development experience.
  • ▹Degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
  • ▹Strong frontend skills with Angular (16+).
  • ▹Backend experience with Java, Spring Boot, and Kotlin, including RESTful API design, system integration, and data modeling.
  • ▹Proficiency in Linux (RHEL, Ubuntu) and tooling such as GitLab, JIRA, and Confluence.
  • ▹Willingness to champion AI-assisted development practices (e.g., GitHub Copilot, Cursor).
  • ▹Proven ability to make architectural decisions and drive technical direction.
  • ▹Experience with Agile/DevSecOps (Scrum/Kanban), cross-functional teams, and continuous improvement.
  • ▹Strong collaboration skills; able to work with minimal daily direction in a complex stakeholder landscape.
  • ▹Fluency in English, both oral and written.

Soft skills

Mentoring and technical leadership skills.Ability to work independently in a complex, multi-stakeholder environment.Strong collaboration skills.

About the company

Ericsson's Automation & Orchestration (A&O) teams develop and operate the platforms supporting the company's internal R&D infrastructure, including the Hydra configuration management database and the eStart self-service infrastructure portal.

Languages: Angol: Felsőfok
Education: Informatika, szoftvermérnöki vagy kapcsolódó terület diplomája, vagy azzal egyenértékű gyakorlati tapasztalat

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