Lead Developer (Core Telco)

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    Lead Developer (Core Telco)

    2026.08.18.

    Summary

    Budapest, HUN

    Hybrid

    Senior

    Introduction

    The company is one of Hungary’s leading IT and telecommunications players, providing complex digital solutions to business and government clients. Its activities include IT system integration, software development, cloud services, and the operation and development of telecommunications infrastructure. Its dynamic growth is supported by strategic acquisitions and an innovation-driven approach in both the domestic and international markets.

    Tasks

    • Lead the technical design and implementation of changes across interdependent Core Telco services and repositories.
    • Develop clean, testable and maintainable code while remaining actively involved in complex implementation and troubleshooting.
    • Coordinate developers, architects, integration experts and vendors; break down work and remove technical blockers.
    • Set and enforce engineering practices for code review, automated testing, documentation, security and release readiness.
    • Analyze legacy code, dependencies and production behavior; drive pragmatic modernization without disrupting services.
    • Mentor developers, review designs and code, and take ownership of delivery quality from planning through production. 

    Expectations

    • 7+ years in software development, including hands-on technical leadership of complex enterprise systems.
    • Strong Java- and PHP-based services experience, with practical knowledge of Spring Boot or Quarkus and REST APIs.
    • Proven ability to navigate large legacy codebases, distributed systems and multiple repositories with limited documentation.
    • Experience with Git, CI/CD, automated testing, containers and Kubernetes-based delivery environments.
    • Excellent communication, mentoring and problem-solving skills

    Advantages

    • Telco experience
    • BSS/OSS experience
    • Core Network experience

    Personality:

    • A pragmatic, hands-on lead who creates clarity in a complex environment.
    • Makes sound technical decisions.
    • Helps a mixed internal and vendor team deliver reliable software.
    • Actively designs, codes, reviews and unblocks delivery.

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      Lead Developer (Core Telco) java,leadership HUN Budapest hybrid senior The company is one of Hungary’s leading IT and telecommunications players, providing complex digital solutions to business and government clients. Its activities include IT system integration, software development, cloud services, and the operation and development of telecommunications infrastructure. Its dynamic growth is supported by strategic acquisitions and an innovation-driven approach in both the domestic and international markets. Lead the technical design and implementation of changes across interdependent Core Telco services and repositories.Develop clean, testable and maintainable code while remaining actively involved in complex implementation and troubleshooting.Coordinate developers, architects, integration experts and vendors; break down work and remove technical blockers.Set and enforce engineering practices for code review, automated testing, documentation, security and release readiness.Analyze legacy code, dependencies and production behavior; drive pragmatic modernization without disrupting services.Mentor developers, review designs and code, and take ownership of delivery quality from planning through production.  Lead the technical design and implementation of changes across interdependent Core Telco services and repositories.Develop clean, testable and maintainable code while remaining actively involved in complex implementation and troubleshooting.Coordinate developers, architects, integration experts and vendors; break down work and remove technical blockers.Set and enforce engineering practices for code review, automated testing, documentation, security and release readiness.Analyze legacy code, dependencies and production behavior; drive pragmatic modernization without disrupting services.Mentor developers, review designs and code, and take ownership of delivery quality from planning through production.  7+ years in software development, including hands-on technical leadership of complex enterprise systems.Strong Java- and PHP-based services experience, with practical knowledge of Spring Boot or Quarkus and REST APIs.Proven ability to navigate large legacy codebases, distributed systems and multiple repositories with limited documentation.Experience with Git, CI/CD, automated testing, containers and Kubernetes-based delivery environments.Excellent communication, mentoring and problem-solving skills Telco experienceBSS/OSS experienceCore Network experiencePersonality:A pragmatic, hands-on lead who creates clarity in a complex environment.Makes sound technical decisions.Helps a mixed internal and vendor team deliver reliable software.Actively designs, codes, reviews and unblocks delivery.