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HO

Hasan Ozuyer

Open to work10 years experience

Full Stack Engineer

Hittisau, AustriaTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Principal-level Full Stack Engineer with 10+ years of experience.

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

27 skills
reactreact nativenext.jsionictypescripttailwind cssmaterial uipythonnode.jsexpress.jsgopostgresqlmongodbmysqlawsgcpdockerkubernetesazure devopsgitlab ci/cdjenkinsstripefirebasegoogle maps apizoho crmgitlabgithub

Work Experience

Full Stack Engineer

JustFYI

May 2025 - Present
  • Architected React/TypeScript frontends and backend services for the FYI Admin and Survey platforms.
  • Built a scalable admin dashboard for hotel management, guest permissions, and data analytics.
  • Developed a guest-facing PWA featuring multi-step feedback flows and voice/image inputs.
  • Designed scalable REST APIs, database integrations, and robust backend validation logic.
  • Managed state architecture with Redux/React Query and built data visualizations via Recharts and Material UI.

Senior Software Development Engineer

SOSTeacher Agency

Apr 2024 - May 2025
  • Led end-to-end architecture for a cross-platform education staffing platform.
  • Designed a Python backend with PostgreSQL and caching to handle 10,000+ daily transactions.
  • Optimized backend performance and tuned database queries, increasing system responsiveness by 75%.
  • Delivered scalable React web portals and React Native mobile apps with shared architecture.
  • Implemented CI/CD pipelines, cutting deployment times by 60% and downtime by 30%.
  • Designed Python backend services, boosting API reliability and response times by 60%.

Senior Software Engineer

Buckley Fence

Mar 2022 - Feb 2024
  • Integrated Zoho CRM and financial APIs, increasing sales productivity by 40%.
  • Maintained Azure cloud infrastructure to ensure 99.9% uptime while cutting costs by 25%.
  • Developed a React fence design tool featuring Google Maps integration for instant quoting.
  • Built a TypeScript and React dealer portal via Vite, increasing user engagement by 35%.

Full Stack Developer

Aatlas

May 2020 - Feb 2022
  • Built cross-platform React, React Native, and Python applications maintaining 99.9% uptime.
  • Developed REST APIs supporting 10,000+ concurrent users with sub-100ms response times.
  • Integrated Stripe, Firebase, and Google Cloud, lowering third-party integration costs by 25%.
  • Established a Jest and Cypress testing culture, reaching 85% coverage and cutting production defects by 60%.
  • Automated deployments with Docker and GitLab CI/CD, enabling 50% faster delivery cycles.

Full Stack Developer

nextigmbh

Oct 2016 - Apr 2020
  • Developed a calendar and resource management system using React, TypeScript, and FullCalendar.
  • Built a case management platform that reduced service resolution times by 35%.
  • Led development of the main web portal, supporting 10,000+ concurrent users at 99.9% uptime.
  • Integrated Google Maps API and FTP systems, increasing document processing efficiency by 30%.

Projects

Projects Not Populated

Personal applications, open-source work, and code repos will show here.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

System Performance Optimization

Improved system performance by up to 75%.

CI/CD Pipeline Implementation

Cut deployment times by 60% and downtime by 30% through CI/CD pipelines.

Sales Productivity Improvement

Increased sales productivity by 40% through Zoho CRM and financial API integrations.

Infrastructure Management

Maintained 99.9% uptime while cutting costs by 25% on Azure cloud infrastructure.

Quality Assurance Improvement

Reached 85% test coverage and cut production defects by 60% using Jest and Cypress.

About Details

Professional Bio

Principal-level Full Stack Engineer with 10+ years of experience designing and scaling high-performance web and mobile applications. Strong expertise in React, React Native, TypeScript, Python, and cloud-native architectures. Proven track record of defining technical direction and mentoring teams.

Bachelor of Science in Computer Science

UNIVERSITY OF T\u00dcBINGEN ( - 2013)

Languages: English, Hindi
Email: Locked