Summary
Overview
Work History
Education
Skills
Websites
Certification
Technical Skills
marial arts, music creation, paiting, call of duty player
Timeline
Generic

MACIEJ DĄBROWSKI

AI/LLM Architect × Integration Engineer × Full-Stack Innovator
Warsaw,mazowieckie

Summary

Senior Integration Engineer and AI/ML Specialist with over two decades of experience spanning mission-critical enterprise infrastructure, large-scale middleware environments, and cutting-edge artificial intelligence technologies. My unique career trajectory combines deep technical expertise in global banking and financial systems with advanced specialization in generative AI, large language models (LLM), and autonomous systems. Proven track record in Level 3 support, complex enterprise projects, and 24/7 operations across massive corporate environments including global banks and financial institutions.

Expert in designing, implementing, and maintaining systems that serve millions of daily transactions with zero-downtime requirements.

Technical Leadership Excellence: Demonstrated success leading cross-functional engineering teams, delivering enterprise-grade monitoring platforms, and spearheading end-to-end production system implementations. Proven ability to decompose complex roadmaps, manage stakeholder relationships, and achieve measurable business outcomes while meeting budget and resource constraints.

Acted as a lead architect and active team member, shaping full-stack solutions with React/Redux & Django REST APIs

Mission-Critical Systems Expertise: Proven track record in environments demanding 99.99% uptime including global banking, financial services, and high-frequency trading. Successfully executed 1,000+ zero-downtime migrations and built systems serving millions of daily transactions.

AI Innovation Leadership: Specializing in Retrieval-Augmented Generation (RAG) systems, autonomous AI agents, and process automation.

Expert in fine-tuning advanced language models and integrating AI solutions with existing enterprise infrastructure.

Unique Value Proposition: My extensive practice across diverse technological environments - from traditional banking infrastructure to modern AI startups - enables me to take a holistic approach to complex challenges. This broad experience in hardware, networking, programming, middleware, and AI allows me to analyze problems from multiple perspectives, identifying dependencies and opportunities that often remain unnoticed with narrow specialization. I excel at building bridges between breakthrough technologies and practical business applications, whether that's implementing zero-downtime infrastructure migrations, developing real-time monitoring dashboards, or creating AI solutions that enhance operational efficiency. My mission is to leverage this comprehensive technical foundation to create innovative solutions that not only meet immediate business requirements but also open new possibilities for digital transformation.

Core Technical Foundation:
Infrastructure & DevOps: Kubernetes, AWS, Helm, Terraform, comprehensive automation.
Generative AI,LLMs,RAG systems,LangChain,PyTorch,TensorFlow,Hugging Face
Real-time Systems: Kafka,RabbitMQ,WebSphere MQ,Solace, ActiveMQ,Tibco
Monitoring & Observability: Geneos,BMC,Nastel/meshIQ,Appwatch,MVMA,Grafana,Prometheus,Splunk,Elasticsearch,Kibana,Nagios
Cybersecurity: Penetration Testing,Controlled Hacking,Linux Security Hardening

Overview

25
25
years of professional experience
11
11
years of post-secondary education
2
2
Certifications
5
5
Languages

Work History

Senior Machine Learning Engineer

IntellifyAI
Warsaw, Mazovia
03.2025 - Current
  • Leading AI/ML engineering initiatives with strong focus on practical applications and system integration.
  • Advanced AI/ML Solutions Development - Document AI & Text Classification: Specializing in fine-tuning advanced language models (LLMs), including efficient architectures like Mixtral and multimodal models on industry-specific datasets for document processing and classification.
  • Computer Vision & Image Processing: Implementing image classification using TensorFlow, and PyTorch for industrial applications.
  • Retrieval-Augmented Generation (RAG): Designing and implementing advanced RAG systems, integrating vector databases with sophisticated prompt engineering to enhance accuracy and real-time data access.
  • Production-Grade AI Systems - Leading creation of NLP, machine learning, and deep learning solutions that achieve key business objectives with strong emphasis on responsible AI: fairness, transparency (using explainability tools like SHAP/LIME), and accountability.
  • Pioneering autonomous, agentic AI systems (based on models such as GPT-4) for complex decision-making, summarization, and intelligent workflow orchestration.
  • MLOps & Model Lifecycle Management: Managing full lifecycle of model development, from experimentation to validation and deployment within MLOps (MLflow, Kubeflow) and CI/CD frameworks.
  • Generative AI & Computer Vision - Technical expertise in diffusion models (Stable Diffusion, FLUX), fine-tuning generative models (LoRA, DreamBooth), and tools such as ControlNet.
  • Open-source GenAI Models: Extensive experience with Hugging Face ecosystem, implementing and fine-tuning open-source models for production environments.
  • Reinforcement Learning from Human Feedback (RLHF): Implementing RLHF techniques for model alignment and performance optimization.
  • Enterprise Integration & Automation - Designing and managing complex automation workflows using n8n, Make, and Zapier, integrating diverse enterprise systems (CRM, ERP).
  • Infrastructure Management: Deploying and scaling AI models using Kubernetes, AWS, and modern DevOps practices.
  • Cross-functional Collaboration: Translating complex technical concepts for cross-functional teams and non-technical stakeholders.
  • Technologies: Python, TensorFlow, PyTorch, Hugging Face, OpenCV, LangChain, MLflow, Kubeflow, Stable Diffusion, React, Kubernetes, AWS, Docker, CI/CD
  • Designed, implemented and evaluated new models and rapid software prototypes to solve problems in machine learning and systems engineering.
  • Developed custom machine learning algorithms for specific industry needs, resulting in improved performance and efficiency.
  • Collaborated with multi-disciplinary product development teams to identify performance improvement opportunities and integrate trained models.
  • Facilitated knowledge transfer sessions among team members on specialized topics such as deep learning architectures and natural language processing techniques, fostering a collaborative learning environment.
  • Worked closely with domain experts to ensure accurate representation of problem context within developed models, enhancing their real-world applicability.
  • Collaborated with cross-functional teams to integrate machine learning solutions into existing software systems, streamlining processes and boosting productivity.

Senior Middleware Engineer & Technical Lead

BNP Paribas CIB
Warsaw, Mazovia
02.2023 - 05.2025
  • Mission-Critical Systems Leadership in global financial institution serving millions of daily transactions.
  • Technical Lead - Production Monitoring Platform - Spearheaded end-to-end delivery of enterprise-grade monitoring and observability stack for portfolio of mission-critical production applications.
  • Directed cross-functional squad of engineers (backend, SRE, DevOps), decomposing roadmap into actionable work-streams and assigning tasks based on skill and capacity.
  • Provided data-driven performance feedback during weekly 1-on-1s and sprint reviews, ensuring team development and project success.
  • Defined target architecture (Prometheus/Alertmanager, Grafana dashboards, custom exporters, Terraform-driven Kubernetes deployments).
  • AI-Powered Anomaly Detection: Implemented and trained Large Language Models (LLMs) on extensive production data for proactive anomaly detection and pattern recognition to protect critical applications and data flows.
  • Steered risk mitigation, capacity planning, and stakeholder sign-offs across multiple business units.
  • Achieved zero-downtime cut-over on scheduled go-live date, cutting mean-time-to-detect (MTTD) by >40% and providing leadership real-time SLA insights while meeting budget and resource constraints.
  • Infrastructure Excellence & Zero-Downtime Operations - Executed 1,000+ server migrations without service interruption, ensuring continuous operation of critical banking services.
  • Led complete data center relocation project for all middleware layers with zero client impact.
  • Implemented comprehensive automation for certificate renewals and TLS updates using Ansible and Git.
  • Full Stack Monitoring Platform Development - Frontend Development: Co-developed React/Redux dashboards with Mapbox integration for real-time system visualization.
  • Backend Integration: Designed and implemented API integrations ensuring seamless data flow from middleware to frontend.
  • User Experience Design: Created intuitive interfaces serving diverse user groups from developers to business executives.
  • Real-time Data Processing: Built systems delivering live operational data to web interfaces with sub-second latency.
  • Advanced Infrastructure Management - Specialized in Kubernetes orchestration, AWS cloud services, and Terraform infrastructure as code.
  • WebSphere Administration: Managed WebSphere Application Server (WAS) clusters and WebSphere Message Broker instances.
  • Implemented comprehensive monitoring using Grafana and Prometheus across global infrastructure.
  • Managed complex PubSub architectures including Kafka, RabbitMQ, and Solace for real-time data streaming.
  • Enterprise Integration: Administered IBM Integration Bus and message transformation workflows.
  • Proactive Problem Detection & Resolution - Developed pattern detection systems for data flows and log analysis preventing critical incidents.
  • Created automated alerting and response systems reducing mean time to resolution by 75%.
  • Established monitoring frameworks detecting issues before user impact.
  • Key Technologies: React, Redux, Mapbox, Python, Kubernetes, AWS, Terraform, Grafana, Prometheus, Kafka, RabbitMQ
  • Assisted in the development of disaster recovery plans, ensuring business continuity in case of unexpected events.
  • Streamlined processes through automation, resulting in reduced manual effort and increased efficiency.
  • Improved application reliability by conducting thorough root cause analysis and implementing corrective actions.
  • Developed comprehensive documentation, aiding knowledge transfer among team members and ensuring long-term solution sustainability.
  • Facilitated smooth migrations and upgrades of middleware platforms while minimizing disruption to ongoing operations.
  • Enhanced application scalability by identifying bottlenecks in the middleware layer and recommending improvements accordingly.
  • Worked closely with developers to fine-tune applications for optimal performance within the middleware environment.

AVP - MQ Engineer & Technical Lead

Credit Suisse
Zurich
03.2017 - 05.2025
  • Enterprise Messaging Systems Specialist & Technical Lead in high-frequency trading environment.
  • Technical Leadership & Cross-functional Collaboration - Led cross-regional teams in complex system upgrades and disaster recovery planning across multiple time zones.
  • Directed technical roadmap for enterprise messaging infrastructure supporting real-time financial transactions.
  • Managed stakeholder relationships and provided technical guidance to business units on messaging architecture decisions.
  • Mentored junior engineers and conducted knowledge transfer sessions on WebSphere technologies.
  • Mission-Critical Infrastructure Management - Designed and maintained mission-critical messaging infrastructure supporting real-time financial transactions.
  • WebSphere Administration: Managed WebSphere Application Server clusters and WebSphere Message Broker for high-volume trading systems.
  • Implemented advanced security solutions and compliance standards across enterprise messaging systems.
  • Managed complex distributed systems with strict SLA requirements and 24/7 availability demands.
  • Technologies: WebSphere MQ, WebSphere Application Server, WebSphere Message Broker, Solace, Linux, Security Hardening, High Availability Systems
  • Successfully managed change within the organization, ensuring smooth transitions during periods of restructuring or process improvements.
  • Analyzed data to identify areas of improvement, implementing changes that resulted in greater operational efficiency.
  • Managed projects efficiently, ensuring timely delivery and high-quality results.
  • Maintained compliance with industry regulations by implementing risk mitigation measures and maintaining accurate documentation.

Senior Middleware Engineer - Level 3

UBS
Zurich
09.2015 - 02.2017
  • Complex System Migration Leadership: Executed complex migration of distributed MQ environment to mainframe ensuring zero business disruption.
  • WebSphere Administration: Managed WebSphere Application Server and WebSphere Message Broker migrations.
  • Implemented comprehensive security solutions significantly enhancing transaction system security posture.
  • Provided Level 3 support for critical infrastructure serving global trading operations.
  • Technologies: WebSphere MQ, WebSphere Application Server, WebSphere Message Broker, Mainframe Integration, Security Hardening
  • Contributed to project success by providing accurate estimates for time and resource requirements during the planning phase.
  • Implemented robust disaster recovery strategies, safeguarding critical data and minimizing downtime during outages or system failures.
  • Conducted capacity planning, ensuring adequate resources were available to meet business requirements and maintain optimal system performance.
  • Provided expert technical support, resolving critical production issues in a timely manner.
  • Facilitated smooth migrations from legacy systems to modern platforms using compatible middleware solutions.
  • Implemented effective monitoring tools, enabling proactive issue detection and faster problem resolution times.
  • Collaborated effectively with stakeholders throughout project lifecycles, contributing to successful outcomes that met or exceeded expectations.
  • Facilitated smooth migrations and upgrades of middleware platforms while minimizing disruption to ongoing operations.

UK Distributed MQ Support - Senior Specialist

Citibank
Warsaw, Mazovia
05.2009 - 10.2015
  • Large-Scale Infrastructure Management: Managed 500+ WebSphere MQ instances across EMEA region with 24/7 on-call responsibility.
  • WebSphere Administration: Administered WebSphere Application Server clusters and WebSphere Message Broker instances.
  • Led upgrade initiatives from MQ V6 to V7 across multiple platforms (z/OS, Linux, Solaris, AIX, Windows).
  • Automation Leadership: Supervised migration of 600+ servers from Autosys 4.5 to 11.3 with comprehensive automation.
  • Implemented IBM-recommended security hardening and SSL certificate management.
  • Coordinated disaster recovery exercises for Europe and Africa regions.
  • Technologies: WebSphere MQ, WebSphere Application Server, WebSphere Message Broker, Autosys, SSL/TLS, VMware, Clustering, Multi-platform Administration
  • Identified areas in need of critical improvement and implemented strategies to achieve targets.
  • Established strong working relationships with clients through exceptional customer service and proactive communication efforts.
  • Managed complex projects from inception to completion, ensuring timely delivery and client satisfaction.
  • Supported department leadership in implementing new policies, procedures and controls.
  • Coordinated with regulatory bodies to ensure compliance with industry standards, mitigating risk and safeguarding company's reputation.
  • Implemented robust data analysis practices to guide decision-making, enhancing product relevance and customer satisfaction.
  • Streamlined team workflow, implementing agile methodologies to significantly enhance project turnaround times.

IT Manager

2dstudio, Internet Experts and Grand
Gdansk, Pomerania
01.2001 - 12.2008
  • Managed IT infrastructure and development teams (10+ staff).
  • Implemented enterprise systems: Apache, Tomcat, PHP, MySQL, PostgreSQL, Active Directory.
  • Led IT transformation projects and budget management.
  • Managed vendor relationships for hardware, software, and services procurement, ensuring quality products at competitive prices.
  • Communicated with executive team and CEO to maximize development efficiencies and resolve technology issues.
  • Implemented robust backup strategies to safeguard critical data against loss or corruption, minimizing potential risks.
  • Optimized helpdesk performance through process improvements, enabling faster response times and increased user satisfaction levels.
  • Led technical upgrade projects for clients by working and coordinating with consultants and developers for integrations.

Technical Manager

ITNet Internet Service Provider
Gdansk, Pomerania
01.2000 - 01.2001
  • Managed hosting infrastructure and development of automated management systems.
  • Technologies: Linux, Cisco networking, Perl, PHP, database administration
  • Developed technical strategies to align with business objectives, driving growth and innovation within the organization.
  • Managed deliverable estimates, negotiated resource conflicts and allocated resources.
  • Optimized team performance by establishing clear roles, responsibilities, expectations in accordance with best practices.
  • Managed budgets and resources effectively, optimizing resource allocation to maximize project outcomes.

Education

Computer Engineering -

Polish-Japanese Academy of Information Technology
01.2008 - 01.2011

Computer Science - undefined

Koszalin University of Technology
01.1994 - 01.1999

BSc - Networks and Programming

Combidata School
01.1994 - 01.1997

Skills

  • Real-time & Messaging Systems

  • Log Analysis

  • SLA Management

  • Enterprise Integration & Middleware

  • Workflow Automation

  • CI/CD Pipelines

  • Risk Assessment

  • Compliance Standards

  • Infrastructure & DevOps

  • Real-time Data Visualization

  • Backend & APIs

  • Agile/Scrum

  • Documentation

  • Technical Leadership

Project management

Decision-making

Multitasking

Analytical thinking

Adaptability and flexibility

Problem-solving aptitude

Problem-solving abilities

Business understanding

Agile methodologies

Monitoring & Observability

Certification

ISO/IEC 27001 Information Security Management Systems (ISMS) Auditor, Advanced security and compliance expertise

Technical Skills

Document AI, Computer Vision, Generative AI, LLMs, RAG systems, LangChain, PyTorch, TensorFlow, Hugging Face, Kafka, RabbitMQ, WebSphere MQ, Solace, ActiveMQ, Tibco, Geneos, BMC, Nastel/meshIQ, Appwatch, MVMA, Grafana, Prometheus, Splunk, Elasticsearch, Kibana, Nagios, Penetration Testing, Controlled Hacking, Linux Security Hardening, Security Audits, Kubernetes, AWS, Helm, Terraform, React, Redux, Mapbox, TypeScript, Python, Django REST APIs

marial arts, music creation, paiting, call of duty player

  • Martial arts practitioner, electronic music producer, painter, and active Call of Duty player.
  • With my daughter, a proud fan of Billie Eilish — because music is generational glue.
  • Independent thinker, resourceful creator, and persistent warrior.
  • If I don’t know something, I learn it — fast — and put it to use.
  • My diverse experience lets me see challenges from multiple angles.
  • I frequently question the status quo to drive innovation and break new ground.
  • AI enthusiast deeply engaged in everything related to artificial intelligence.
  • Fine-tune language models on my own hardware and push the limits of generative tech.
  • I create videos, music, and visuals with AI — because why choose one medium when you can master them all?

Timeline

Senior Machine Learning Engineer

IntellifyAI
03.2025 - Current

Senior Middleware Engineer & Technical Lead

BNP Paribas CIB
02.2023 - 05.2025

AVP - MQ Engineer & Technical Lead

Credit Suisse
03.2017 - 05.2025

Senior Middleware Engineer - Level 3

UBS
09.2015 - 02.2017

UK Distributed MQ Support - Senior Specialist

Citibank
05.2009 - 10.2015

Computer Engineering -

Polish-Japanese Academy of Information Technology
01.2008 - 01.2011

IT Manager

2dstudio, Internet Experts and Grand
01.2001 - 12.2008

Technical Manager

ITNet Internet Service Provider
01.2000 - 01.2001

Computer Science - undefined

Koszalin University of Technology
01.1994 - 01.1999

BSc - Networks and Programming

Combidata School
01.1994 - 01.1997

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MACIEJ DĄBROWSKIAI/LLM Architect × Integration Engineer × Full-Stack Innovator