# Aleksander S.

> Staff Software Engineer

Location: Mountain View, California, United States
Profile: https://flows.cv/aleksander

I’m a staff software engineer with 13+ years of experience building high-impact, scalable solutions in ad tech, fintech and banking. I’ve led engineering teams, built complex, high revenue systems, and explored AI’s role in software and web engineering—optimizing workflows, automating UI generation, and pushing the boundaries of technology forward.

## Work Experience
### Staff Software Engineer @ Samsung Ads
Jan 2024 – Present | Mountain View, California, United States
Large part of my work as Staff Engineer and technical lead on Samsung Ads’ TVPlus Ad Experiences team, revolves around working on the inside of TV Player experience and streaming, building and shipping TypeScript/REST ad-serving UI experiences to 100M+ users and driving hundreds of millions of impressions. Led the architecture and implementation of a cross-org experimentation API framework for TV streaming (ad serving + DSP + feature flags). Lead and improve a 300+ contributor DSP codebase through technical specs, architecture reviews, and high-bar code quality standards.

### Staff Software Engineer @ Evergreen Money
Jan 2023 – Jan 2024 | Miami, Florida, United States
Customer focused Tech Lead at Evergreen Money, leading a team of five to build and optimize fintech products using React, Next.js, and Capacitor. Drove a 50%+ conversion boost, led WebAuthn/FIDO implementation, and introduced low-code solutions to streamline product-engineering collaboration.

### Staff Software Engineer @ Comint.ai (BP / RtM)
Jan 2020 – Jan 2023
Staff Engineer at BP and RTM Mitsubishi, leading teams to build AI-powered and high-performance web applications for commodity trading. Spearheaded automation reducing manual data entry, optimized development efficiency by 50%, and collaborated on BP’s global design system.

### Senior Software Engineer @ Deutsche Bank
Jan 2017 – Jan 2020
Lead Front-End Engineer at Deutsche Bank, leading teams to build AI-driven robo-advisors and large-scale financial applications. Developed interactive data visualizations, KYC and fraud prevention UIs, and maintained a mobile banking app with 300K+ daily users while optimizing development with in-house SDKs and component libraries.

### Senior Software Engineer @ UBS
Jan 2016 – Jan 2017
Senior Engineer at UBS, developing an in-house reactive framework and accessibility-focused UI components. Built a scalable Node.js application shell, expanded the SDK library to 45+ components, and drove adoption across multiple teams and projects and change management from legacy technologies (Flex)

### Senior Software Engineer @ Kantar
Jan 2015 – Jan 2015

### Software Engineer @ UIX Limited
Jan 2011 – Jan 2015
Software Engineer at UIX Limited, building responsive web applications for a fintech startup. Optimized high-traffic front-ends with performance enhancements and developed interactive data visualizations for large datasets.


## Education
### Master of Science - MS in Computer Information Systems
Florida Institute of Technology

### Bachelor's degree in Economics
SGH Warsaw School of Economics


## Contact & Social
- LinkedIn: https://linkedin.com/in/aleksandersekowski
- Website: https://aleks.rocks/

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Source: https://flows.cv/aleksander
JSON Resume: https://flows.cv/aleksander/resume.json
Last updated: 2026-04-01