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