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