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I am a full-stack software engineer with 7+ years of experience across fintech and ad-tech SaaS, delivering end-to-end product development from architecture to production. I thrive in remote environments and have been fully remote since 2021, collaborating across technical and non-technical teams. I am passionate about owning the full lifecycle, building scalable systems, and mentoring teams. I have a track record of reducing release cycles, extending observability, and driving customer impact, including reducing churn and automating manual processes.…I am a full-stack software engineer with 7+ years of experience across fintech and ad-tech SaaS, delivering end-to-end product development from architecture to production. I thrive in remote environments and have been fully remote since 2021, collaborating across technical and non-technical teams. I am passionate about owning the full lifecycle, building scalable systems, and mentoring teams. I have a track record of reducing release cycles, extending observability, and driving customer impact, including reducing churn and automating manual processes.

Uğur Gümüşhan

Full Stack Developer, Web Developer, Back-End Developer, +3

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I am a full-stack software engineer with 7+ years of experience across fintech and ad-tech SaaS, delivering end-to-end product development from architecture to production. I thrive in remote environments and have been fully remote since 2021, collaborating across technical and non-technical teams. I am passionate about owning the full lifecycle, building scalable systems, and mentoring teams. I have a track record of reducing release cycles, extending observability, and driving customer impact, including reducing churn and automating manual processes.…I am a full-stack software engineer with 7+ years of experience across fintech and ad-tech SaaS, delivering end-to-end product development from architecture to production. I thrive in remote environments and have been fully remote since 2021, collaborating across technical and non-technical teams. I am passionate about owning the full lifecycle, building scalable systems, and mentoring teams. I have a track record of reducing release cycles, extending observability, and driving customer impact, including reducing churn and automating manual processes.

Available to hire

I am a full-stack software engineer with 7+ years of experience across fintech and ad-tech SaaS, delivering end-to-end product development from architecture to production. I thrive in remote environments and have been fully remote since 2021, collaborating across technical and non-technical teams.

I am passionate about owning the full lifecycle, building scalable systems, and mentoring teams. I have a track record of reducing release cycles, extending observability, and driving customer impact, including reducing churn and automating manual processes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Turkish

Fluent

English

Fluent

Work Experience

Full Stack Software Engineer at Shine

January 1, 2022 - October 1, 2025

Led the development of core invoicing features for Shine's invoicing product (250k+ users, 6 languages), guided two quarterly projects with a team of 4 engineers, and improved frontend DataDog integration to reduce churn and expenses. Resolved long-term backend micro-service and API Gateway issues and built a scalable invoice export service using Node.js streams with Slack integration. Contributed to incident responses across invoicing and billing. For the Kontist banking product, delivered banking/bookkeeping features, integrated affiliate marketing services, implemented GDPR tracking and PSD2 MFA, maintained video identity verification (KYC), and enhanced security with on-device encryption for cards view. Led monitoring improvements (Sentry), shortened CI/CD cycles, parallelized E2E tests, migrated push notifications with zero downtime, introduced event sourcing, and improved Trustpilot score via API integrations.

Full-Stack Software Engineer at Element Consulting Group

January 1, 2021 - December 31, 2022

Developed onboarding, transaction management, and workflow features for Clive - Pension, Annuity, and Benefit System. Collaborated with accounting/finance consultants to shape the product, and developed and maintained components, design system, and Storybook.

Founding / Lead Software Engineer at PlayIn

January 1, 2020 - December 31, 2021

Architected codebase structure, AWS infrastructure, and CI/CD pipelines. Built a web app and backend for editing, previewing, building, and exporting playable ads for 5+ ad networks. Led and mentored a team of 3 engineers and delivered playable ads for 3 popular games.

Backend Engineer at HubX

January 1, 2019 - December 31, 2020

Developed features for the Fire / Aura dating app, reimplemented the feed algorithm, and optimized database queries and caching. Implemented a hand-gesture verification login system, image moderation with AWS Rekognition, and Instagram integration via OAuth2.

Lead Software Engineer at Kömürcüoğlu Group (Stonelimit)

January 1, 2015 - December 31, 2016

Led a two-person team to develop an international e-commerce store, delivering scalable web storefront capabilities and backend support.

Software Engineer at Litum

January 1, 2012 - December 31, 2013

Developed real-time mapping and tracking systems for healthcare and process management using RFID technology.

Full Stack Software Engineer at Element Consulting Group

January 1, 2021 - January 1, 2022

Developed features across onboarding, transaction management, booking, and custom workflows for a pension and benefits platform within a cross-functional team. Maintained and extended the component library and design system, contributing to scalable UI/UX across products.

Founding Engineer & Tech Lead at PlayIn

January 1, 2020 - January 1, 2021

Founded the engineering function as the first engineer, hired and mentored a team of 3, and architected the full codebase and AWS infrastructure from scratch. Built a config-driven playable ad editor with live preview and multi-network export (AppLovin, Google Ads, Unity Ads, IronSource, Mintegral, Facebook, Vungle). Delivered playable ads for Fugo Games titles; platform remains core to the business today.

Lead Software Engineer at Komurcuoglu Group

January 1, 2015 - January 1, 2016

Led software development efforts, shaped architecture, and guided a team through multiple product initiatives, driving delivery and quality across projects.

Software Engineer at Litum RTLS

January 1, 2012 - January 1, 2013

Developed real-time location systems software, contributing to core platform capabilities and product improvements.