Abdul Salam

Abdul Salam

APPLICATION SUPPORT ENGINEER | L3 TECHNICAL SUPPORT ENGINEER | SAAS SUPPORT ENGINEER

Lahore, Pakistan

#OpenToWork

About

Results-driven Application Support Engineer and Technical Support Engineer with 8+ years of experience delivering L2/L3 Application Support, Production Support, and Customer Support for enterprise SaaS applications in fast-paced, SLA-driven environments. Skilled in troubleshooting complex application issues using Root Cause Analysis (RCA), Log Analysis, SQL, REST APIs, JSON, and issue replication to ensure rapid incident resolution and system reliability. Experienced in supporting Salesforce CRM, NetSuite ERP, Microsoft 365, Exchange Online, API integrations, and enterprise applications while collaborating with Engineering, Product, QA, and Customer Success teams. Proficient in incident management, problem

What I'm looking for

Seeking a remote Application Support Engineer, Technical Support Engineer, or L2/L3 Support role where I can leverage my expertise in production support, troubleshooting, incident management, SQL, Linux, and customer-focused technical support to deliver reliable solutions and exceptional user experiences.

Experience

L2 Customer Support Engineer

Trilogy (Crossover)

Dec 2025 – Present

Delivered L2 technical support for multiple enterprise SaaS and on- premises products, resolving complex production incidents while maintaining SLA compliance and high customer satisfaction. ■ Investigated customer-reported issues through issue replication, log analysis, REST API troubleshooting, SQL queries, JSON payload validation, HTTP status code analysis (401, 403, 404, 429), and CLI tools. ■ Installed, configured, and maintained on-premises products including GFI Archiver and GFI LanGuard in VMware-based lab environments to reproduce customer issues before implementing solutions. ■ Deployed and validated enterprise applications on Windows Server environments to troubleshoot installation, configuration, upgrade, and migration issues. ■ Supported enterprise products including Kayako Classic, Kayako TNK, StreetSmart, GFI Archiver, GFI LanGuard, EDU, CallStream, CloudSense (Salesforce CPQ), Salesforce CRM, and NetSuite ERP. ■ Leveraged AI tools including ChatGPT and Claude to accelerate technical research, analyze documentation, validate troubleshooting approaches, and improve resolution times. ■ Performed Root Cause Analysis (RCA) by analyzing application logs, configurations, server environments, and customer workflows to identify underlying causes of production issues. ■ Collaborated with Engineering, Product Management, QA, and Customer Success teams to validate software defects, reproduce issues, and ensure timely bug resolution. ■ Created detailed engineering escalation tickets (GHI/Jira) containing reproduction steps, environment details, log files, and technical findings for product engineering teams. ■ Authored knowledge base articles, troubleshooting guides, and internal technical documentation to improve support efficiency and reduce repeat incidents. ■ Managed multiple enterprise customer cases simultaneously while delivering clear technical communication through ticketing systems and email support.

REST APIsSQLJSON
Hyly.AI

Technical Specialist

Hyly.AI

Aug 2024 – Dec 2025

Delivered technical support for a SaaS marketing automation platform by resolving application, account, reporting, configuration, and integration issues for enterprise customers. ■ Served as the primary technical contact for client-reported issues, providing end-to-end troubleshooting and timely issue resolution. ■ Investigated and implemented third-party integrations using REST APIs, webhooks, JSON, and external platforms while validating data synchronization and system functionality. ■ Conducted technical research and feasibility analysis for custom client requirements, providing implementation recommendations to Product and Client Success teams. ■ Collaborated with Product, Engineering, QA, and Customer Success teams to scope, test, and deliver new platform features and client-specific enhancements. ■ Performed QA validation, issue replication, regression testing, and bug verification before production releases. ■ Customized web interfaces using HTML and CSS to support client branding and user interface requirements. ■ Created technical documentation, implementation guides, integration workflows, and configuration documentation for internal and customer use. ■ Diagnosed application performance, workflow automation, CRM integrations, and reporting issues while maintaining excellent customer satisfaction.

REST APIsJSONHTML
iSure Global Solutions

Senior Application Support Engineer

iSure Global Solutions

Jan 2023 – Aug 2024

Delivered application support for enterprise healthcare platforms including HRWhizz and MySurveyPro, ensuring high availability and reliable production operations. ■ Investigated and resolved application issues involving user accounts, workflows, permissions, integrations, reports, and platform configurations. ■ Managed customer support requests through HubSpot ticketing while maintaining SLA compliance and accurate case documentation. ■ Performed SQL-based troubleshooting, log analysis, issue replication, and root cause analysis to diagnose production incidents. ■ Worked closely with development and QA teams to validate defects, verify software fixes, and improve overall application stability. ■ Assisted customers with application onboarding, user management, workflow configuration, and feature adoption. ■ Created technical documentation and troubleshooting procedures to improve knowledge sharing and support consistency.

SQLHubSpotLog Analysis
AndesTransit LLC

Technical Support Lead

AndesTransit LLC

Sep 2021 – Aug 2023

Provided technical support for an online bus ticketing and reservation platform serving customers across Latin America. ■ Diagnosed and resolved booking, payment, account, and website-related issues through email and remote support. ■ Investigated customer-reported production issues by reproducing scenarios and validating application behavior. ■ Assisted customers with ticket modifications, payment verification, reservation issues, and travel-related inquiries. ■ Collaborated with developers to report software defects and validate production fixes. ■ Monitored system functionality and ensured uninterrupted customer access to online booking services. ■ Maintained detailed documentation of support cases, troubleshooting procedures, and recurring issues.

Technical SupportIssue ReplicationCustomer Support

L3 Support Engineer

Kiuwan (IDERA, Inc.)

Jun 2022 – Jun 2023

Delivered L3 technical support for Kiuwan Static Code Analysis,supporting enterprise customers across Windows and Linux environments. ■ Installed, configured, upgraded, and maintained on-premises Kiuwan environments to reproduce complex customer-reported issues. ■ Investigated installation, configuration, connectivity, authentication, and application performance issues through log analysis and environment validation. ■ Worked extensively with Zendesk for case management and Jira for engineering escalations, providing detailed technical findings and reproduction steps. ■ Collaborated with Product Engineering and QA teams to isolate software defects, validate bug fixes, and improve product reliability. ■ Assisted customers with application deployment, upgrades, integrations, and platform configuration across enterprise environments. ■ Produced technical documentation, troubleshooting guides, and knowledge base articles to improve support operations.

ZendeskJiraLog Analysis
NKU Technologies

ASP.NET Core Developer

NKU Technologies

Feb 2021 – Dec 2021

Developed and maintained enterprise web applications using ASP.NET Core, C#, SQL Server, HTML, CSS, and JavaScript. ■ Designed database objects including stored procedures, tables, views, and optimized SQL queries. ■ Implemented new application features while resolving software defects and production issues. ■ Collaborated with business stakeholders to gather requirements and deliver scalable software solutions. ■ Performed application testing, debugging, deployment, and post-release production support.

ASP.NET CoreSQL ServerC#
Computer Research (Pvt) Ltd.

.NET WebForms developer

Computer Research (Pvt) Ltd.

Dec 2019 – Dec 2020

Developed enterprise applications using ASP.NET, C#, MVC, and SQL Server technologies. ■ Built reusable modules and implemented business requirements for internal and customer-facing applications. ■ Optimized SQL queries and application performance to improve overall system responsiveness. ■ Diagnosed software defects and delivered production fixes through structured testing and debugging. ■ Collaborated with QA and project teams throughout the software development lifecycle.

ASP.NETC#SQL Server
HRS Total Solutions

Associate Software Engineer

HRS Total Solutions

Mar 2017 – Dec 2019

Supported software development activities by building, testing, and maintaining business applications using programming and database technologies. ■ Assisted in application debugging, issue resolution, and feature enhancements across multiple software projects. ■ Collaborated with senior developers to analyze requirements and deliver reliable technical solutions. ■ Performed application testing and troubleshooting to ensure system functionality and quality.

Application TestingDebuggingIssue Resolution

Education

Pakistan International School - Saudi Arabia

Commerce

Pakistan International School - Saudi Arabia

Computer Science

APTECH Computer Education

APTECH Computer Education

Advanced Diploma · Software Engineering

Dadabhoy Institute of Higher Education

Dadabhoy Institute of Higher Education

Bachelor of Science · Computer Science

Certifications

AutoCAD Professional Certification

AutoCAD

Microsoft Certified Solutions Associate (MCSA)

Microsoft

Cisco Certified Network Associate (CCNA)

Cisco

Skills

CommunicationC#Microsoft SQL ServerMySQLLog AnalysisAPI TroubleshootingCustomer SupportZendeskJiraRoot Cause AnalysisTroubleshootingWindows ServerLinuxSQLIncident ManagementProduction SupportTechnical SupportApplication Support

Languages

English (Full professional proficiency)Urdu (Native or bilingual proficiency)