Senior Software Engineer & Software Architect

Building products that solve real problems.

I'm Lirim Sulejmani — 15+ years designing and scaling enterprise SaaS with .NET, React, Azure, and modern AI: LLM agents, RAG, MCP, and production OpenAI integrations across healthcare, workforce, CRM, and financial services.

Lirim Sulejmani

Lirim Sulejmani

Prishtina, Kosovo

Senior Software Engineer Software Architect AI / LLM Builder Technical Lead

15+ Years of Engineering & Product Leadership

Senior Software Engineer with 15+ years designing, developing, and scaling enterprise software solutions using .NET, React, SQL Server, Azure, AI technologies, and modern cloud-native architectures.

Hands-on software architect delivering SaaS platforms across healthcare, workforce management, CRM, and audit automation at Tretek LLC — while building AI/LLM agents, RAG pipelines, MCP tool integrations, and OpenAI-powered product features with Cursor and GitHub Copilot in the daily development loop.

Master's Degree, Business Informatics South East European University, Skopje · 2015
Bachelor's Degree, Computer Science University of Prishtina · 2009
Languages & Frameworks
C#.NET / ASP.NET CoreEntity FrameworkReactReact NativeTypeScriptNext.jsPythonWeb API
AI & Modern Developer Tools
OpenAI APIsLLM AgentsRAGMCPPrompt EngineeringCursorGitHub CopilotNLP / RPA
Cloud, Data & Architecture
AzureDockerCI/CDRabbitMQKafkaSQL ServerPostgreSQLMongoDBCassandraClean ArchitectureMicroservicesDDD
15+ Years Exp
8+ Products Built
4 Certs
115+ Healthcare Providers

What I Do

SaaS Development

End-to-end multi-tenant SaaS — product strategy, APIs, web/mobile clients, and cloud delivery.

Healthcare Tech

Multi-tenant healthcare SaaS for clinics, hospitals, and dental laboratory operations at scale.

AI / LLM Systems

LLM agents, RAG, MCP tool wiring, OpenAI APIs, prompt engineering, and AI-assisted delivery with Cursor & Copilot.

Architecture

Clean Architecture, microservices, domain-driven design, and REST API design for long-lived systems.

Cloud & DevOps

Azure, Docker, CI/CD, RabbitMQ, Kafka-style event flows, and cloud-native deployment practices.

Team Leadership

Technical leadership, architecture guidance, code reviews, and mentoring in Agile/Scrum environments.

Work Experience

Jan 2022 — Present

Senior Software Engineer

Tretek LLC
  • Led engineering across SaaS products in healthcare, workforce management, CRM, and audit automation
  • Designed scalable APIs, system integrations, and cloud-native architectures with strong focus on performance, security, and maintainability
  • Integrated OpenAI APIs and AI-assisted workflows into production products (CRM dialer, clinical tooling, developer velocity)
  • Provided technical leadership, architecture guidance, code reviews, and mentoring for development teams
.NETReactReact NativeAzureDockerPostgreSQLOpenAICursor
Feb 2016 — Feb 2021

Software Developer

Validata Holdings LLC
  • Developed enterprise software for banking and financial institutions using C#, .NET, SQL Server, Azure, and REST APIs
  • Contributed to Connect IQ — data orchestration for secure, high-volume integration and workflow automation
  • Contributed to Sense AI — RPA integrations, NLP-based document processing, and no-code automated testing workflows
  • Collaborated in Agile teams on architecture discussions, code reviews, and continuous delivery
C#.NETSQL ServerAzureNLPRPACI/CD
Jul 2012 — Sep 2015

.NET Developer

Asseco SEE
  • Developed and maintained enterprise billing solutions using C#, .NET, SQL Server, Web Services, and ERP integrations
  • Built modules for customer management, meter reading, billing, invoicing, payments, and automated reporting
  • Implemented multi-currency support, data synchronization, and performance improvements for large-scale utility systems
C#.NETSQL ServerWeb ServicesERP

Key Projects

Production SaaS from the CV, plus selected builds from github.com/liki-ai.

Healthcare · SaaS

iPacienti

Technical Lead / Product Owner

Multi-tenant healthcare SaaS serving 115+ providers — patient records, clinical workflows, and AI-assisted features.

.NETReactSQL ServerEFAzureDockerOpenAI
Workforce · Mobile

Timey

Technical Lead / Product Owner

Workforce management web and mobile apps for attendance, scheduling, and day-to-day employee operations.

.NETReact NativeReactSQL ServerAzure
AI · CRM

TapZap

Technical Lead

AI-powered CRM and communication platform with intelligent dialer and customer engagement tooling.

.NETReactPostgreSQLOpenAIAzure
Scheduling

TeamPlaner

Technical Lead

Workforce scheduling and planning platform for shifts, availability, and team operations.

.NETReactPostgreSQLAzureDocker
Healthcare · Labs

Dentora

Technical Lead

Dental laboratory SaaS with multi-tenant architecture, cost tracking, and clinic–lab digital collaboration.

.NETReactSQL ServerAzureDocker
AI · Mobile

Forma

Personal / Open Source

React Native (Expo) diet & training planner — OpenAI plan generation, meal photo scanning, macros, and daily reminders.

React NativeExpoTypeScriptOpenAI
Growth · Integrations

Canopy

Open Source

Next.js App Router project with Meta Lead Ads webhook (signature verification) and Vercel-ready landing flow.

Next.jsTypeScriptMeta APIVercel
Healthcare · Data / AI

Health Monetize

Strategy & Architecture Demo

Interactive plan for ethical healthcare data monetization — Kafka/Spark/MongoDB pipeline, AI strategy assistant, and compliance Q&A.

KafkaSparkMongoDBAzureAI Assistants
FinTech · AI

Sense AI

Validata Holdings

No-code test automation platform — RPA integrations, NLP document processing, and automated testing for core banking workflows.

.NETNLPRPAAzure
Data · Banking

Connect IQ

Validata Holdings

Data orchestration platform for secure, high-volume integration, multi-tenant APIs, and workflow automation in financial institutions.

C#.NETSQL ServerREST APIsCI/CD
SaaS · Billing

NextInvoice

Open Source

Invoice and billing application stack with dedicated landing and product modules for streamlined freelancing / SMB invoicing.

JavaScriptWeb App
Enterprise · C#

Geotech Customer Care

Open Source

Customer-care oriented .NET solution focused on support workflows and operational tooling for field / geo-tech contexts.

C#.NET

Certifications

Microsoft Certified Professional

MCP · F309-7935

Enterprise Application Developer

Microsoft · D250-5120

ASP.NET Developer

Microsoft · D142-6698

Architecture, System Design & Patterns

Innovation Centre Kosovo · ICK0010ASP

Achievements

Springer

Automatic Adaptation Techniques to Increase the Web Accessibility for Blind Users

Co-authored · HCI International 2016 · Springer CCIS 618

Browser-based accessibility adaptations (link/image enrichment, navigation) in C#, JavaScript, HTML5, CSS3, and SQL Server.

50%+ Accessibility Issues ResolvedDOI Indexed
Read Publication →

AI, LLM Agents & Modern Tooling

Shipping AI into real products — OpenAI APIs, LLM agents, RAG retrieval, MCP tool integrations, and AI-assisted engineering with Cursor and GitHub Copilot. From CRM intelligence (TapZap) and healthcare workflows (iPacienti) to mobile AI planners (Forma) and earlier NLP/RPA work (Sense AI).

Contact for AI Work
LLM Agents
RAG Pipelines
MCP Integrations
OpenAI APIs
Prompt Engineering
Cursor & Copilot

Let's build something useful.

Available for senior engineering roles, software architecture, SaaS partnerships, and AI-enabled product development.