Senior Specialist Software Engineer

Role

Senior Specialist Software Engineer responsible for designing, developing, and maintaining enterprise-grade, cloud-native, multi-tenant SaaS software with real-time constraints. The role combines hands-on development, architecture review, technical leadership, mentoring, and worldwide customer support and incident management.

Key Responsibilities

• Write and maintain software that meets real-time constraints and enterprise scalability requirements.
• Use modern AI-assisted development tools (Claude Code, GitHub Copilot, vibe coding, agentic AI) for coding and test generation.
• Empower and mentor team members to make technical decisions, foster ownership, and self-organization.
• Provide global customer support, handle incident bridges and customer escalations.
• Prioritize, assign, and manage department activities in line with R&D goals.
• Contribute to long-term architecture and next-generation planning to meet strategic objectives.
• Identify and remove roadblocks to team productivity, including cross-functional impediments.
• Review technical designs and architecture for quality, scalability, and maintainability.
• Monitor and improve code quality through reviews and process improvements.
• Collaborate with technical leads to resolve complex technical challenges.

Requirements

• Bachelor/Master degree in Computer Science, Electronic Engineering, or equivalent.
• 14+ years of software development experience.
• Proven experience building enterprise-grade, scalable software and integrating into broad enterprise ecosystems.
• Experience with multi-tenant cloud-native SaaS development and support.
• Expert usage of Claude Code, GitHub Copilot, vibe coding, and agentic AI for development and test generation.
• Deep experience in VoIP, telecom, media handling and media anchoring; protocols such as SIP, SDP, RTP, RTCP, and knowledge of firewall traversal, NAT and TCP/IP.
• Strong background in multi-threaded systems, concurrency design patterns, and related practices.
• Knowledge of inbound/outbound CCaaS concepts.
• Familiarity with Service-Oriented Architecture patterns.
• Familiarity with DevOps processes, CI/CD and monitoring for SaaS architectures; awareness of quality targets and SLAs.
• Experience with C++, C# and frameworks such as .NET and Orleans.
• Expert with public cloud infrastructure (AWS) and Kubernetes (EKS, ECS, pods, kubectl, pod affinity, pod networking, helm charts).
• Experience working with global teams and strong communication, problem-solving and decision-making skills.

Preferred / Nice-to-have

• Experience working abroad or with global teams.
• Demonstrated ability to influence in sensitive or complex situations.
• Deep experience with agile software development techniques.

Work Model

• NICE-FLEX hybrid model: 2 days working from the office and 3 days remote each week.