About Me

25+ years of software engineering expertise, passion for innovation

Renato Železnjak

Senior Software Engineer, Technical Leader & AI Solutions Architect

With over 25 years of experience in software development and technology leadership, I bring deep expertise in building scalable, intelligent solutions for enterprise clients. I'm passionate about combining cutting-edge AI technology with solid software engineering practices to solve real business challenges.

Currently, I'm focused on AI-powered automation platforms, particularly in regulated industries like pharmaceuticals and healthcare. I design and lead teams to develop systems that integrate large language models and intelligent document processing into complex business workflows.

Professional Background

Leadership Experience

I have led development teams ranging from 3 to 15+ members, managed full product lifecycle as Product Owner, Solution Architect, and Development Lead. I'm committed to implementing agile methodologies (SCRUM/Kanban), establishing CI/CD infrastructure, mentoring engineers, and contributing to community knowledge-sharing initiatives.

Current Focus

I specialize in AI-driven automation platforms, particularly in regulated industries. My recent work includes building intelligent systems that integrate large language models and document processing capabilities to transform complex business workflows, especially in pharmaceutical compliance and legal tech.

Core Competencies

Technology Expertise

  • Cloud Platforms: Azure, AWS
  • Backend: .NET, Python, Node.js
  • Frontend: Angular, React, React Native
  • Architecture: Microservices, Cloud-Native
  • DevOps: CI/CD, Docker, Kubernetes
  • AI/ML: LLM Integration, Automation, Document Processing

Industry Experience

  • Pharmaceutical & Regulatory Compliance
  • Healthcare & Legal Tech
  • Financial Services & Banking
  • Building Automation & IoT
  • Green Technologies
  • Public Sector Solutions

Professional Skills

  • Technical Leadership & Team Management
  • Solution Architecture & System Design
  • Project Management & Product Ownership
  • Business Requirements Analysis
  • Regulatory Compliance & Audit Readiness
  • Agile Methodology (SCRUM/Kanban)

Notable Achievements

AI-Driven MLR Automation Platform

Current Focus

Led the development of an AI-powered automation platform for Medical, Legal, and Regulatory (MLR) review of pharmaceutical marketing materials. Built on AWS, the system processes text, images, and layout using Python-based core services and integrates Bedrock LLM models to automate compliance checks, dramatically reducing review timelines while maintaining audit readiness.

AI-Powered Legal Tech Platform

Legal & Healthcare Sector

Architected and led the end-to-end development of an AI-powered platform for legal assessment of medical documentation. Built on Azure cloud infrastructure, the solution integrated ChatGPT to provide legal professionals with expert-level insights on case-related medical records, significantly improving case accuracy and reducing processing time.

Building Automation Microservices

IoT & Cloud Infrastructure

Directed the design and delivery of Azure-based microservices for building automation, including IoT integration, mobile applications (Bluetooth/WiFi control), and cloud connectivity. Led team of 12-15 developers on a scalable, cloud-native solution handling thousands of devices.

Data Masking & GDPR Compliance Solution

Enterprise Data Management

As Product Owner, Solution Architect, and Development Lead, drove the creation of a comprehensive data management solution for sensitive data obfuscation and GDPR compliance. Managed team of 10-14 members, overseeing agile development, architecture decisions, and quality standards. Successfully deployed to multiple enterprise clients.

Philosophy & Approach

I believe in simplifying complexity—translating challenging business requirements into elegant technical solutions. My approach emphasizes collaboration, rigorous quality standards, and always keeping the end-user and business impact in mind.

I'm committed to staying at the forefront of technology innovation, particularly in AI and cloud computing, and I actively share knowledge through mentoring and community involvement.

Let's Work Together

Interested in discussing your next project or challenge?

Get in Touch