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I am a Computer Science–educated Technical Operations Specialist with 6+ years’ experience in Martech, specializing in applying systems thinking, automation, and API-driven solutions to streamline workflows, reduce manual effort, and improve operational performance. I have a strong track record in digital and web management, analytics, and cross-functional delivery, partnering with marketing, analytics, and compliance teams to translate business needs into scalable technical solutions.…I am a Computer Science–educated Technical Operations Specialist with 6+ years’ experience in Martech, specializing in applying systems thinking, automation, and API-driven solutions to streamline workflows, reduce manual effort, and improve operational performance. I have a strong track record in digital and web management, analytics, and cross-functional delivery, partnering with marketing, analytics, and compliance teams to translate business needs into scalable technical solutions.

Michal Klimczak

Front-End Developer, Web Developer, Data Analyst, +2

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I am a Computer Science–educated Technical Operations Specialist with 6+ years’ experience in Martech, specializing in applying systems thinking, automation, and API-driven solutions to streamline workflows, reduce manual effort, and improve operational performance. I have a strong track record in digital and web management, analytics, and cross-functional delivery, partnering with marketing, analytics, and compliance teams to translate business needs into scalable technical solutions.…I am a Computer Science–educated Technical Operations Specialist with 6+ years’ experience in Martech, specializing in applying systems thinking, automation, and API-driven solutions to streamline workflows, reduce manual effort, and improve operational performance. I have a strong track record in digital and web management, analytics, and cross-functional delivery, partnering with marketing, analytics, and compliance teams to translate business needs into scalable technical solutions.

Available to hire

I am a Computer Science–educated Technical Operations Specialist with 6+ years’ experience in Martech, specializing in applying systems thinking, automation, and API-driven solutions to streamline workflows, reduce manual effort, and improve operational performance.
I have a strong track record in digital and web management, analytics, and cross-functional delivery, partnering with marketing, analytics, and compliance teams to translate business needs into scalable technical solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Performance Operations Manager at William Hill

May 1, 2023 - December 1, 2024

Led the delivery of web optimization initiatives across multiple international markets, improving website performance and user journeys. Owned the development and optimization of HubSpot platform capabilities, gathering stakeholder requirements and collaborating with developers to implement new features and workflow improvements. Conducted SQL queries against the company presentation layer to validate landing page tracking and data integrity. Managed and optimized a complex marketing technology stack (HubSpot CMS, AppsFlyer, Income Access, CM360, and Tridion). Designed conversion-focused website features to improve engagement and marketing effectiveness. Ensured accuracy and integrity of acquisition and performance data. Served as a liaison between marketing, technology, analytics, and compliance teams to translate business requirements into technical solutions. Mentored an in-house JavaScript developer and supported training for international teams.

Performance Operations Executive at William Hill

January 1, 2020 - May 1, 2023

Delivered and optimized multi-channel digital campaigns supporting acquisition and retention strategies. Migrated and managed affiliate and ad-serving platforms, including NetRefer and Income Access. Built and maintained high-performing landing pages using HTML/CSS and HubSpot CMS. Led CRO initiatives; Conducted QA, resolved tracking discrepancies, and implemented preventative solutions, including database validation through SQL queries. Supported onboarding, mentoring, and training of new team members.

Technology Analyst at MediaCom

February 1, 2019 - January 1, 2020

Managed end-to-end campaign trafficking across Campaign Manager (DCM), Sizmek, and Flashtalking within a high-volume agency environment. Identified inefficiencies in campaign workflows and implemented an API-driven automation solution (Google Sheets + DCM), designing structured input logic to streamline campaign setup and reduce manual workload by ~30% and 80% in some use cases. Built and deployed Excel macro–based tools to automate reporting and repetitive operational tasks. Analysed campaign and tracking data to support optimisation decisions and ensure data integrity across platforms. Acted as a technical point of contact within the team, supporting colleagues and introducing more efficient, scalable ways of working.

Technology Executive at MediaCom

April 1, 2018 - February 1, 2019

Rapidly exceeded ramp-up expectations, independently managing campaign trafficking shortly after joining. Quickly upskilled across platforms and took ownership of a key client account (Sony PlayStation) following an unexpected senior departure, delivering all campaign activity for 6 months. Identified inefficiencies in manual workflows and introduced structured, spreadsheet-driven processes using bulk import/export functionality, significantly reducing campaign setup time. Proactively automated repetitive operational tasks using Excel macros, improving turnaround times and reducing manual errors.

Freelance and Independent Projects at Self-employed

January 1, 2015 - Present

Explored and practiced Python scripting (Pandas) and Power BI, building foundational skills in data analysis, dashboards, and workflow logic. Designed, built, and deployed a personal website. Gained practical knowledge of Google Tag Manager, including setting up event tracking, custom triggers, and troubleshooting data layer and tracking issues. Pursued Salesforce familiarity via online courses, developing understanding of CRM workflows and reporting. Researched and applied AI image and video generation workflows, including prompt engineering. Provided AI-assisted photo enhancement and retouching services for photographers using locally hosted tools. Assisted with residential renovation and electrical rewiring projects as part of a small independent business.