Mert Köseoğlu

Mert Köseoğlu, Software Forge is a software consultancy providing strategic guidance, AI-native architectures, and engineering solutions.

• Stealth Startup: Architecting AI plugin for analytics platform (1B+ daily events) enabling natural language data queries via multi-tenant RAG with Cloudflare Workers AI and streaming LLM responses.
• Stealth Startup: Reduced QA cycle time by 80% (from 2 days to 4 hours) by building autonomous testing infrastructure with browser-use agents, Playwright MCP, and Claude computer-use. Client: OpenAI.
• Stealth Startup: Achieved sub-100ms agent response times (down from 800ms) by implementing Cloudflare-native architecture with MCP protocol orchestration for AI shopping workflows.

Doğuş Group's technology arm founded in 2012, delivering next-generation digital solutions with 500+ engineers across AI, data analytics, IoT, and enterprise platforms.

• Clearing Service (EV Roaming): Led development of OCPI 2.2.1–compliant Clearing House enabling interoperability between 50+ CPOs/eMSPs. Built with Next.js (RSC), PostgreSQL, and AWS.
• Architectural Standards: Owned and delivered reusable boilerplates adopted across 5+ teams, reducing project setup time by 60% (2 weeks → 3 days).
• D-Charge: Built greenfield real-time admin panel from scratch for 1,000+ charging stations. Led frontend and BFF development with React, TypeScript, and Kubernetes.
• VDF Web: Hired, built, and led 8-person cross-functional team to ship greenfield enterprise financing platform for Turkey's leading automotive finance company with Next.js, custom design system, and .NET 8.

Planhat is a customer platform that provides insights, manages workflows, and enhances customer experience for modern technology companies worldwide.

• Shipped 15+ product features in 5 months for customer success platform serving 500+ B2B SaaS companies.
• Reduced bug resolution time by 30% (from 5 days to 3.5 days) by improving Vue.js/Node.js codebase quality and test coverage.

Qooper is a comprehensive people development platform that offers mentorship, coaching, learning, and opportunity solutions to support individuals in their professional growth.

• Scaled engineering team 6x (1→6 engineers) in 18 months by establishing hiring processes and conducting 50+ technical interviews.
• Reduced deployment failures by 40% (from 10/month to 6/month) by implementing code review standards and CI/CD best practices.
• Improved team velocity by 30% by removing architectural blockers and improving DX with modern tooling.
• Mentored 5 engineers through regular 1:1s, resulting in 2 promotions within 12 months.

• Reduced API response time by 50% (from 800ms to 400ms) by migrating backend from Ruby to Node.js with modular architecture.
• Decreased mobile development time by 40% (2 codebases → 1) by unifying iOS/Android into single React Native codebase.
• Eliminated 30% of tech debt by conducting comprehensive audit and executing remediation roadmap.
• Accelerated feature velocity by 25% through greenfield frontend architecture during major UI revamp.

Countly is a product analytics solution that helps organizations track product performance and user behavior across mobile, web, and desktop applications, processing billions of data points daily.

• Contributed to OSS analytics platform processing 1B+ daily data points by building horizontally scalable Node.js/MongoDB solutions.
• Increased React Native SDK adoption by 25% (previously no official SDK) by developing and publishing mobile analytics SDK.
• Enabled advanced segmentation for 1,000+ enterprise customers (previously limited to basic metrics) by implementing Top Events, Event Groups, and Drill features.
• Reduced dashboard load time by 35% (from 3s to 2s) by optimizing Vue.js components and refining UX workflows.

TDSmaker is a web-based solution for managing technical datasheets, designed to support the needs of professionals in various industries.

• Reduced deployment time by 50% (from 30min to 15min) by integrating AWS services and optimizing Jenkins CI/CD pipelines.
• Increased test coverage from 40% to 90%+ by implementing TDD practices across React/Node.js codebase.
• Built core platform features serving 500+ enterprise users with React, Redux, TypeScript, and MongoDB.

San Francisco-based no-code form builder platform founded in 2006, now serving 35M+ users worldwide.

• Contributed to form builder platform serving 4M+ users (grew to 25M by 2024) by developing React components for drag-and-drop form editor.

• Delivered 20+ web applications for SMB clients as full-stack IC (PHP, JavaScript, MySQL) with end-to-end ownership.
• Reduced client development costs by 40% vs agency rates through direct engagement and faster iteration cycles.