Application Specialist (Enterprise)

Raffles Medical Group Ltd; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Raffles Medical Group Ltd invites an Application Specialist to own insurance, TPA claims systems, and medilimit support. You will maintain stability through disciplined production support and implement permanent fixes for recurring data issues.

You will document rules, collaborate with insurers and vendors, troubleshoot production incidents, and contribute to requirements reviews. Strong C#/.NET skills and SQL Server expertise are required to deliver reliable, compliant solutions in a regulated

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field.
• 5+ years of hands-on experience in .NET application development, enhancement, and production support.
• Experience with insurance, TPA, claims, or coverage systems, or a comparable transaction-heavy regulated domain such as healthcare billing.
• Ability to document business rules clearly and to challenge ad-hoc change requests constructively.
• Strong proficiency in C#, ASP.NET MVC, .NET Core, and Entity Framework, with working proficiency in HTML, CSS, and JavaScript (React, jQuery, or similar).
• Advanced Microsoft SQL Server skills: complex queries, stored procedures, indexing and performance tuning, transaction handling, and data integrity design.
• Proven ability to troubleshoot production issues independently, including log analysis, debugging, and performance diagnosis, and to find root cause rather than apply workarounds.
• Strong communication skills, with the ability to explain technical issues in business language and coordinate with remote teams, vendors, and stakeholders.
• Strong ownership mindset: takes responsibility for outcomes, not only tasks.

Responsibilities

• Act as the application owner for insurance, TPA claims, coverage, and medilimit systems, and build a working understanding of claims processing, coverage and eligibility validation, limit utilisation, and reconciliation flows.
• Document business rules, data definitions, process flows, and integration points so knowledge does not depend on any single person.
• Work with business users, insurers, TPAs, and vendors to clarify rules, resolve discrepancies, and manage changes to external requirements.
• Provide domain and technical input to requirement reviews including the data and downstream impact of proposed changes.
• Provide support for production incidents, working to agreed severity-based response and resolution targets.
• Perform root cause analysis, drive corrective and preventive actions, and contribute to problem management to reduce recurring incidents.
• Monitor batch jobs, interfaces, and scheduled processes; resolve file, message, or integration failures; and run reconciliation checks on critical claims and coverage data.
• Convert recurring data corrections into application fixes, validation rules, or controlled and audited scripts.
• Design and enhance .NET applications supporting insurance, TPA, and medilimit functions.
• Refactor and modernise components that cause recurring defects or data issues, in line with the strangler-style modernisation approach and architectural guidelines.

Skills

C#

ASP.NET MVC

NET Core

Entity Framework

JavaScript

Education

Bachelor's degree in Computer Science

Tools

SQL Server

Job description

About the role

The Application Specialist is the hands-on technical owner of the insurance, TPA claims. The role keeps these systems stable through disciplined production support and turns recurring data corrections into permanent fixes, not repeated backend patching. Domain knowledge in the insurance, TPA claims process and with ownership.

Key responsibilities

• Act as the application owner for insurance, TPA claims, coverage, and medilimit systems, and build a working understanding of claims processing, coverage and eligibility validation, limit utilisation, and reconciliation flows.
• Document business rules, data definitions, process flows, and integration points so knowledge does not depend on any single person.
• Work with business users, insurers, TPAs, and vendors to clarify rules, resolve discrepancies, and manage changes to external requirements.
• Provide domain and technical input to requirement reviews including the data and downstream impact of proposed changes.
• Provide support for production incidents, working to agreed severity-based response and resolution targets.
• Perform root cause analysis, drive corrective and preventive actions, and contribute to problem management to reduce recurring incidents.
• Monitor batch jobs, interfaces, and scheduled processes; resolve file, message, or integration failures; and run reconciliation checks on critical claims and coverage data.
• Convert recurring data corrections into application fixes, validation rules, or controlled and audited scripts.
• Design and enhance .NET applications supporting insurance, TPA, and medilimit functions.
• Refactor and modernise components that cause recurring defects or data issues, in line with the strangler-style modernisation approach and architectural guidelines.

Requirements

• Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or related field.
• 5+ years of hands-on experience in .NET application development, enhancement, and production support.
• Experience with insurance, TPA, claims, or coverage systems, or a comparable transaction-heavy regulated domain such as healthcare billing, with a demonstrated ability to learn complex business rules quickly.
• Ability to document business rules clearly and to challenge ad-hoc change requests constructively.
• Strong proficiency in C#, ASP.NET MVC, .NET Core, and Entity Framework, with working proficiency in HTML, CSS, and JavaScript (React, jQuery, or similar).
• Advanced Microsoft SQL Server skills: complex queries, stored procedures, indexing and performance tuning, transaction handling, and data integrity design.
• Proven ability to troubleshoot production issues independently, including log analysis, debugging, and performance diagnosis, and to find root cause rather than apply workarounds.
• Strong communication skills, with the ability to explain technical issues in business language and coordinate with remote teams, vendors, and stakeholders.
• Strong ownership mindset: takes responsibility for outcomes, not only tasks.