Senior .Net Developer

Jobtailor; Deutschland; Hybrid; EUR 90.000 - 130.000; Vollzeit

Zusammenfassung

Jobtailor in Germany seeks a senior software engineer to lead development projects from design through delivery. You’ll mentor teams, conduct code reviews, and guide implementation approaches while modernizing VB.NET components to C#.

You will optimize SQL performance and design RESTful APIs, collaborating across QC, BI, and ops teams. This role emphasizes architectural input, technical decision-making, and improving code quality in a fast-paced enterprise environment.

Qualifikationen

• 7+ years of professional software development experience in an enterprise or production environment.
• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
• Experience mentoring developers and guiding technical growth.
• Ability to lead technical discussions and make sound engineering decisions.
• Strong analytical and problem-solving skills.
• Excellent communication skills with technical and non-technical stakeholders.
• Ability to work independently and contribute within a team environment.
• U.S. citizenship required due to federal background check and FISMA requirements.
• Experience with RESTful APIs preferred.
• Familiarity with Microsoft Azure or other cloud platforms preferred.
• Exposure to Agile or hybrid methodologies preferred.
• Experience with CI/CD pipelines, automated builds, and deployment processes preferred.
• Understanding of secure coding practices and compliance considerations preferred.

Aufgaben

• Lead development projects from design through delivery.
• Provide day-to-day technical leadership, mentoring, and escalation support.
• Conduct code reviews and enforce coding standards.
• Assign development tasks and guide implementation approaches.
• Troubleshoot complex technical challenges, production issues, and performance bottlenecks.
• Maintain, enhance, and debug VB.NET applications while driving C# modernization.
• Lead refactoring efforts to reduce technical debt.
• Participate in application design, system architecture, and technical decision-making.
• Collaborate with QA, Business Analysts, Operations, and cross-functional teams.
• Develop and optimize SQL queries, stored procedures, and database structures.
• Analyze and resolve database performance issues.
• Design, implement, and support RESTful API and service-based integrations.
• Ensure application error handling, logging, and monitoring.
• Support release planning, deployment readiness, and post-release validation.
• Evaluate systems and recommend improvements to technology, tools, and processes.

Kenntnisse

C# Development

VB.NET Legacy Support

Advanced SQL Development

Technical Leadership

RESTful API Design

Code Review

Agile Methodologies

Git

Azure DevOps

Ausbildung

Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience

Tools

Git

Azure DevOps

TFS

CI/CD Pipelines

Automated Builds

Deployment Processes

Jobbeschreibung

• Lead development projects from design through delivery
• Provide day-to-day technical leadership, mentoring, and escalation support
• Conduct code reviews and enforce coding standards
• Assign development tasks and guide implementation approaches
• Troubleshoot complex technical challenges, production issues, and performance bottlenecks
• Maintain, enhance, and debug VB.NET applications while driving C# modernization
• Lead refactoring efforts to reduce technical debt
• Participate in application design, system architecture, and technical decision-making
• Collaborate with QA, Business Analysts, Operations, and cross-functional teams
• Develop and optimize SQL queries, stored procedures, and database structures
• Analyze and resolve database performance issues
• Design, implement, and support RESTful API and service-based integrations
• Ensure application error handling, logging, and monitoring
• Support release planning, deployment readiness, and post-release validation
• Evaluate systems and recommend improvements to technology, tools, and processes

Requirements

• 7+ years of professional software development experience in an enterprise or production environment
• Strong expertise in C#
• Very strong working knowledge of VB.NET and legacy system support
• Advanced SQL development experience, including complex queries, stored procedures, indexing strategies, and performance tuning
• Hands-on experience with Git-based source control and Azure DevOps or TFS
• Experience mentoring developers and guiding technical growth
• Ability to lead technical discussions and make sound engineering decisions
• Strong analytical and problem-solving skills
• Ability to manage multiple priorities while maintaining attention to detail and quality
• Excellent communication skills with technical and non-technical stakeholders
• Ability to work independently and contribute within a team environment
• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience
• U.S. citizenship required due to federal background check and FISMA requirements
• Experience with RESTful APIs preferred
• Familiarity with Microsoft Azure or other cloud platforms preferred
• Exposure to Agile or hybrid methodologies preferred
• Experience with CI/CD pipelines, automated builds, and deployment processes preferred
• Understanding of secure coding practices and compliance considerations preferred

Core Competencies

Demonstrates strong expertise in C# and VB.NET development, with advanced SQL skills for optimizing database performance. Capable of leading technical discussions, mentoring developers, and driving modernization efforts while ensuring high-quality software delivery.

Highest-signal resume keywords

• C# Development
• VB.NET Legacy Support
• Advanced SQL Development
• Technical Leadership
• RESTful API Design

ATS Optimization Keywords

Hard Skills

• C#
• VB.NET
• SQL
• RESTful API
• Code Review
• Technical Debt Reduction
• Database Performance Tuning
• Git
• Azure DevOps
• Agile Methodologies

Soft Skills

• Analytical Skills
• Problem-Solving
• Communication Skills
• Attention to Detail
• Team Collaboration

Industry Keywords

• Enterprise Software Development
• FISMA Compliance
• Secure Coding Practices

Tools & Technologies

• Azure
• TFS
• CI/CD Pipelines
• Automated Builds
• Deployment Processes