Senior Developer (.NET)

OZArgentina2 days ago

Full-timeOther

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The Senior Consultant will work across both facets of the project—stabilizing legacy systems and driving modernization efforts. This role requires deep technical expertise, strong consulting skills, and the ability to collaborate effectively with client stakeholders and internal teams.

Key Responsibilities

Legacy Stabilization
Diagnose and resolve production incidents promptly
Address dependency and provenance issues (e.g., DLL conflicts)
Improve CI/CD reliability and enforce branch hygiene
Maintain release readiness and operational continuity
Strategic Modernization
Implement incremental modernization slices using feature flags
Apply Strangler Fig pattern for legacy-to-modern migration
Contribute to retiring fragile legacy UI by delivering Workspace modules
Participate in architecture and value reviews to align technical decisions with business priorities
Collaboration & Governance
Pair with client SMEs for knowledge transfer and codify tribal knowledge into runbooks
Operate within approved architectural patterns and governance frameworks
Support backlog management in Azure DevOps (Epics, Features, Stories tagged by Value Themes such as Payroll Resiliency, Release Reliability, UI Retirement)
Engage in daily stand-ups and weekly Architecture & Value Review sessions

Requirements

Required Skills & Experience

Technical Expertise
Advanced proficiency in .NET Framework, C#, and enterprise system delivery
Hands-on experience with CI/CD pipelines, Azure DevOps, and source control (TFVC/Git)
Familiarity with modernization strategies (e.g., Strangler Fig pattern) and feature-flagged deployments
Consulting & Leadership
Ability to work in a client-facing role, providing strategic input and tactical execution
Experience in creating and validating operational runbooks and playbooks
Skilled in backlog management and agile delivery practices
Soft Skills
Excellent communication and collaboration skills
Strong problem-solving and risk mitigation capabilities
Ability to operate in a fast-paced, evolving environment

Key Skills

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