Senior SharePoint, .NET Application Support Developer

HITCONTRACT

. Design, develop, enhance, and maintain secure, scalable SharePoint and Microsoft-based applications .

Posted 9/15/2026full-timeVilnius • LithuaniaSenior💰 €3,000 - €5,000 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing, developing, and maintaining secure and scalable SharePoint and Microsoft-based applications, with a strong focus on performance tuning, incident management, and technical mentoring. Proficient in leading complex coding and troubleshooting efforts while ensuring compliance with engineering and security standards.

Highest-signal resume keywords

SharePoint DevelopmentASP.NET CoreSQL ServerL2/L3 SupportTechnical Mentoring

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Application DevelopmentPerformance TuningDatabase OptimizationIncident ManagementChange Request ManagementCode ReviewAgile DeliveryRoot-Cause AnalysisService Request FulfillmentSecurity Compliance

Soft Skills

Stakeholder ManagementKnowledge SharingTeam Capability Improvement

Tools & Technologies

SharePoint OnlineSharePoint Server.NETASPSQL

Industry Keywords

Life Insurance Domain KnowledgeGovernance ProcessesSLA

Tech Stack

Tools & technologies

ASP.NETSQL.NET

About the role

Key responsibilities & impact

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, root-cause analysis, stakeholder updates, and preventive actions
Assess and fulfil complex service requests with technical accuracy and timely closure
Manage change requests, including 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

Requirements

What you’ll need

6–9 years of experience in application development, maintenance, and support
Hands-on experience in SharePoint and Microsoft technologies
Experience with SharePoint Online/Server
Experience with ASP.NET Core, .NET, and ASP
Experience with SQL Server and SQL
Knowledge of architecture, performance tuning, and security
Experience with L2/L3 support
Knowledge of incident, service request, change request, problem request, release, RCA, SLA, and governance processes
Technical mentoring, estimation, code review, stakeholder management, Agile delivery, and continuous improvement skills
Life Insurance domain knowledge is preferred

Benefits

Comp & perks

Additional medical insurance, including gym subscription coverage
Team events
Outreach activities
Hybrid work model
Open, modern, and ergonomic office environment
Multicultural community
Professional and personal growth opportunities
Continuous development within the domain