Senior​/Lead.NET Developer

Job Title:

Senior/Lead .NET Developer

Location: Cape Town (4 days in office Mon – Thu, Friday remote)

Duration: 12 Months (renewal)

Description

We are seeking an experienced Senior/Lead .NET Developer to own the end-to-end architecture, technical roadmap and delivery for legacy applications. The role requires strong hands-on development and leadership skills to drive enhancements, fixes, regulatory changes and modernization initiatives while ensuring business continuity and SLA compliance.

Responsibilities

• Own end-to-end architecture and technical roadmap for legacy applications.
• Lead development and delivery of business enhancements, production fixes and regulatory changes.
• Design, develop and support applications using C#, Microsoft .NET Framework and ASP.NET.
• Develop and consume web services and APIs; perform solution design and impact analysis.
• Design, develop and optimize database solutions using Microsoft SQL Server 2014, including stored procedures and query performance tuning.
• Manage and support integrations using Microsoft Biz Talk Server.
• Configure, deploy and maintain applications hosted on Internet Information Services and Windows Server 2019.
• Govern L2/L3 support, incident management, problem management and SLA compliance.
• Perform code reviews, architecture governance and drive reduction of technical debt.
• Drive application stability and performance optimization; monitor and troubleshoot production issues.
• Manage releases, risks, dependencies, budgets and stakeholder communications.
• Lead modernization initiatives while ensuring uninterrupted business operations.
• Mentor and guide development and support teams; promote best practices.

Qualifications

• Proven experience in senior or technical lead roles developing and supporting Microsoft stack applications.
• Strong hands-on experience with C#, Microsoft .NET Framework and ASP.NET web applications.
• Deep knowledge of Microsoft SQL Server 2014, T-SQL, stored procedures and query optimization.
• Experience with Microsoft Biz Talk Server for integrations.
• Experience deploying and maintaining applications on IIS and Windows Server 2019.
• Experience with source control and CI/CD tooling such as Git, Azure Dev Ops or TFS.
• Proven track record in incident and problem management, SLA-driven support and release management.
• Strong solution design, architecture governance and code review skills.
• Excellent communication skills and experience managing stakeholders and technical teams.
• Domain experience preferred: inventory management, order fulfilment, shipping and receiving, supply chain and logistics. Pricing and promotions knowledge is an advantage.

Skills

• Architecture ownership
• Technical leadership
• Hands-on development
• Mentoring and team enablement

. Skillset

Required:

C#, Microsoft .NET Framework, ASP.NET, Web Services, RESTful API, Object-Oriented Programming, Design Patterns, Microsoft SQL Server 2014, T-SQL, Query Optimization, Database Design, Microsoft Biz Talk Server, Internet Information Services (IIS), Windows Server 2019, Application Deployment, Performance Monitoring, Troubleshooting, Git, Azure Dev Ops, TFS, CI/CD, Application Support, Incident Management, Problem Management, SLA Management, Solution Architecture, Code Review, Mentoring, Release Management, Stakeholder Management, Inventory Management, Order Fulfilment, Shipping & Receiving, Supply Chain, Pricing and Promotions