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I'm a senior software engineer with 13 years of experience shipping customer-first software, prioritizing user impact, and executing with urgency—turning ambiguous requirements into reliable, measurable outcomes. I'm comfortable in high-paced environments, balancing speed with maintainability through clean architecture, strong engineering practices, and continuous improvement. I also enjoy mentoring others and helping teams scale.…I'm a senior software engineer with 13 years of experience shipping customer-first software, prioritizing user impact, and executing with urgency—turning ambiguous requirements into reliable, measurable outcomes. I'm comfortable in high-paced environments, balancing speed with maintainability through clean architecture, strong engineering practices, and continuous improvement. I also enjoy mentoring others and helping teams scale.

Alexander Duka

Full Stack Developer, Front-End Developer, Back-End Developer, +2

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I'm a senior software engineer with 13 years of experience shipping customer-first software, prioritizing user impact, and executing with urgency—turning ambiguous requirements into reliable, measurable outcomes. I'm comfortable in high-paced environments, balancing speed with maintainability through clean architecture, strong engineering practices, and continuous improvement. I also enjoy mentoring others and helping teams scale.…I'm a senior software engineer with 13 years of experience shipping customer-first software, prioritizing user impact, and executing with urgency—turning ambiguous requirements into reliable, measurable outcomes. I'm comfortable in high-paced environments, balancing speed with maintainability through clean architecture, strong engineering practices, and continuous improvement. I also enjoy mentoring others and helping teams scale.

Available to hire

I’m a senior software engineer with 13 years of experience shipping customer-first software, prioritizing user impact, and executing with urgency—turning ambiguous requirements into reliable, measurable outcomes.

I’m comfortable in high-paced environments, balancing speed with maintainability through clean architecture, strong engineering practices, and continuous improvement. I also enjoy mentoring others and helping teams scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Senior Software Engineer at Squarespace

January 1, 2025 - Present

Built analytics data collection and presentation for financing-application experience; implemented financial products advertising module increasing conversion from 3% to 7.5%; implemented error logging and proactive alerting; led a team of four engineers to implement support for an embedded banking platform (accounts, balances, money movement) and bank card issuing components.

Fullstack Production Engineer at Meta

April 1, 2022 - December 1, 2024

Consolidated UI experiences in a monorepo; built an action-plan management system with a reusable action library; modernized data center operations planning by replacing Excel with a scheduling platform; enabled business metrics collection for on-site activities; refactored calendar UI to reduce load time by 15x; contributed to production engineering initiatives.

Software Engineer at Amazon

January 1, 2020 - March 1, 2022

Extracted two legacy dashboards into a single package with its own release cycle; implemented a self-service offboarding tool enabling employees to leave and rejoin; built a fast UI for reporting vaccination and test attestations to support on-site work without masks.

Senior Software Engineer / Team Lead at Alteryx

August 1, 2018 - December 1, 2019

Moved team from microservices to a monolith aligned with customer expectations; introduced ESLint/Prettier and integrated into GitLab CI, reducing defects; designed storage for large files; reduced build time by 30% by parallelizing tests; increased test coverage to 85% and integrated CI reports; introduced OpenAPI docs and API-first approach; introduced semantic versioning in internal libraries.

Software Engineer at Namecheap

May 1, 2017 - August 1, 2018

Migrated from self-supported auth service to standardized company-wide solution; wrote migration guide reducing migration time; migrated site-builder app from legacy API to new API version (Ruby on Rails) and added functionality for selling domain names; designed and implemented API integration UI widgets for cart checkout; contributed to admin panels, architecture, collection metrics, and planning for future service simplification.

Software Engineer at SweetSoft

November 1, 2013 - November 1, 2014

Contributed to software development in Kharkiv team; responsibilities included front-end and back-end work across projects.

Software Development Engineer at Amazon

January 1, 2020 - March 1, 2022

Extracted two legacy dashboards into a single package with its own release cycle; built a self-service resignations tool from scratch enabling easier departures and rehires; implemented a fast-moving UI for reporting vaccination and test attendance status, allowing employees to work on site without masks.

Software Engineer at Aimprosoft

November 1, 2014 - May 1, 2017

Migrated from a self-supported auth service to a standardized solution; contributed to the migration of legacy dashboards and tooling; enhanced tooling for internal reporting and integration.

Education

BSc in Computer Science at National Technical University Kharkiv Polytechnic Institute

January 1, 2004 - January 1, 2011

Bachelor of Science in Computer Science at National Technical University Kharkiv Polytechnic Institute, Faculty of Computer Sciences and Software Engineering, Department of Software Engineering and Management Information Technologies

January 1, 2004 - December 31, 2011