Lead Software Engineer

1 napja
Budapest, Central Hungary ALTSHIFT Partners Teljes munkaidő
Long-term Contract | Budapest, Hungary | Hybrid We are looking for an experienced Lead Software Engineer / Technical Lead for a long-term Core Telco project in Budapest. This is a hands-on technical leadership role. The Lead will actively design, develop, review and troubleshoot code while guiding developers across a complex, business-critical telecommunications environment. ImportantHands-on experience with BOTH Java and PHP is mandatory. This role is open only to candidates currently based in Hungary and able to work from the Budapest office 2 days per week. Applications from outside Hungary / remote applications from abroad cannot be considered. Project details
• Domain: Telecommunications / Core Telco
•

Location:
Budapest, Hungary
• Work model: Hybrid – 2 days/week in the Budapest office
• Engagement: Full-time contractor/freelancer
• Start: ASAP
• Contract: Until December 2027
• Long-term project: 1+ year

Key responsibilities
• Lead the technical design and implementation of changes across multiple interdependent services and repositories
• Remain actively involved in hands-on Java and PHP development
• Develop clean, testable and maintainable production code
• Analyze and troubleshoot complex production issues
• Work with developers, architects, integration specialists and external vendors
• Break down technical work and remove development blockers
• Perform code and design reviews
• Drive engineering standards for automated testing, documentation, security and release readiness
• Analyze and modernize large legacy codebases without disrupting business-critical services
• Mentor developers and support technical decision-making
• Take ownership of technical delivery from design through production Mandatory requirements
• 7+ years of software development experience
• Proven hands-on Technical Lead / Lead Developer experience in complex enterprise environments
• Strong commercial development experience with Java
• Strong commercial development experience with PHP
• Both Java and PHP are mandatory
• Spring Boot and/or Quarkus
• Strong REST API experience
• Experience with microservices and distributed systems
• Experience working with large legacy codebases
• Git
• CI/CD
• Automated testing
• Docker / containerized applications
• Kubernetes
• Strong technical problem-solving and troubleshooting skills
• Experience with mentoring developers and conducting code reviews
• Good professional English Strong advantage
• Telecommunications experience
• Core Telco
• BSS / OSS
• Core Network systems
• Large-scale, business-critical enterprise platforms
• Experience working with multiple internal teams and external vendors If you are interested, please send your CV and hourly rate expectation to viktor.zala@altshift.hu or contact me via DM. Please apply only if you are currently based in Hungary and can attend the Budapest office twice per week. #Java #PHP #TechnicalLead #LeadDeveloper #LeadSoftwareEngineer #SpringBoot #Quarkus #Kubernetes #Docker #Microservices #Telco #Telecommunications #BSS #OSS #Budapest #Hungary #Contractor

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