Senior SharePoint/.NET Application Support Developer

Senior SharePoint/.NET Application Support Developer leads complex development and application maintenance activities for SharePoint and Microsoft technology solutions. The role combines hands-on engineering, L2/L3 production support, technical mentoring, and ownership of critical incidents, service requests, change requests, and problem requests.

Key Responsibilities

• Design, develop, enhance, and maintain secure, scalable SharePoint and Microsoft-based applications.
• Lead complex coding, troubleshooting, performance tuning, database optimization, and solution implementation.
• Provide L2/L3 production support and technical guidance for business-critical applications.
• Own high-priority incident investigation, service restoration, RCA, stakeholder updates, and preventive actions.
• Assess and fulfil complex service requests, ensuring technical accuracy and timely closure.
• Manage change requests covering solution design, estimation, impact analysis, development, testing, deployment, and validation.
• Drive problem requests by analyzing trends, identifying root causes, maintaining known errors, and implementing permanent solutions.
• Conduct code and design reviews and ensure compliance with engineering, security, and support standards.
• Mentor developers, support knowledge sharing, and improve team capability and technical quality.
• Collaborate with architects, analysts, business, infrastructure, QA, operations, security, and vendors.

Required Skills

• 6-9 years in application development, maintenance, and support.
• Hands-on experience in SharePoint and Microsoft technologies.
• Life Insurance domain knowledge is preferred.
• Technical: SharePoint Online/Server; ASP.NET Core, an open-source web development framework | .NET; ASP; SQL Server; SQL; architecture; performance tuning; security.
• Service Management: L2/L3 support; incident, service request, change request, problem request, release, RCA, SLA, and governance
• Delivery and Professional: Technical mentoring; estimation; code review; stakeholder management; Agile delivery; continuous improvement.

Company offers

• Encouraging working atmosphere, engaging activities, and extra benefits (e.g., additional medical insurance (covers gym subscription), team events, outreach activities, and other).
• Hybrid work model (work from the Vilnius or Kaunas office 3 times per week).
• Open, modern, and ergonomic work environment when working from the office with a multicultural community.
• Opportunity to grow both professionally and personally and continuously develop within the domain.
• The salary offer for the candidate is determined based on the predefined salary ranges for the position and depen