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I am Furkan Karayel, a dedicated full-stack software engineer based in Sankt Gallen, Switzerland. Since 2016 I have worked across web, backend, and embedded systems, driving architectural refactors, building scalable platforms, and delivering tangible efficiency gains. I excel in Next.js, Nest.js, TypeScript, Go, and PostgreSQL, with hands-on DevOps experience in Docker and CI/CD pipelines. I enjoy shaping robust architectures, collaborating across teams, and turning ambitious ideas into stable software.…I am Furkan Karayel, a dedicated full-stack software engineer based in Sankt Gallen, Switzerland. Since 2016 I have worked across web, backend, and embedded systems, driving architectural refactors, building scalable platforms, and delivering tangible efficiency gains. I excel in Next.js, Nest.js, TypeScript, Go, and PostgreSQL, with hands-on DevOps experience in Docker and CI/CD pipelines. I enjoy shaping robust architectures, collaborating across teams, and turning ambitious ideas into stable software.

Furkan Karayel

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

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I am Furkan Karayel, a dedicated full-stack software engineer based in Sankt Gallen, Switzerland. Since 2016 I have worked across web, backend, and embedded systems, driving architectural refactors, building scalable platforms, and delivering tangible efficiency gains. I excel in Next.js, Nest.js, TypeScript, Go, and PostgreSQL, with hands-on DevOps experience in Docker and CI/CD pipelines. I enjoy shaping robust architectures, collaborating across teams, and turning ambitious ideas into stable software.…I am Furkan Karayel, a dedicated full-stack software engineer based in Sankt Gallen, Switzerland. Since 2016 I have worked across web, backend, and embedded systems, driving architectural refactors, building scalable platforms, and delivering tangible efficiency gains. I excel in Next.js, Nest.js, TypeScript, Go, and PostgreSQL, with hands-on DevOps experience in Docker and CI/CD pipelines. I enjoy shaping robust architectures, collaborating across teams, and turning ambitious ideas into stable software.

Available to hire

I am Furkan Karayel, a dedicated full-stack software engineer based in Sankt Gallen, Switzerland. Since 2016 I have worked across web, backend, and embedded systems, driving architectural refactors, building scalable platforms, and delivering tangible efficiency gains.

I excel in Next.js, Nest.js, TypeScript, Go, and PostgreSQL, with hands-on DevOps experience in Docker and CI/CD pipelines. I enjoy shaping robust architectures, collaborating across teams, and turning ambitious ideas into stable software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

German

Fluent

English

Intermediate

Spanish; Castilian

Beginner

Turkish

Fluent

Work Experience

Full Stack Engineer at cohaga AG

September 1, 2025 - Present

Initiated and executed a backend refactor, splitting a monolithic Next.js application into a dedicated NestJS backend and Next.js frontend, improving separation of concerns and maintainability. Shaped strategic backend architecture decisions and developed CRM functionality for LeadHub with lead list management, status tracking, and notes. Delivered continuous software maintenance and reliable bug fixing to ensure high system stability.

Contract Software Engineer at Freelance

January 1, 2024 - January 1, 2024

Built and delivered full-stack applications for multiple clients using SvelteKit, Tailwind CSS, and React Native. Integrated four third-party APIs into a client's CRM system and redesigned the mobile UX for improved usability.

Software Engineering Intern at wenglor sensoric GmbH

September 1, 2021 - February 1, 2022

Conducted a feasibility study on integrating Python into an existing C#/.NET testing framework for industrial sensor validation; delivered a working integration solution adopted for cross-departmental use. Benchmarked performance, resolved type compatibility issues between C# and Python, and provided a strategic recommendation for further development.

Software Developer at Optimo Software GmbH

September 1, 2016 - January 1, 2019

Developed custom software solutions for clients in Java, PHP, and Progress within an agile Scrum environment. Built an automated server update tool, implemented flexible CSV-to-SQL import pipelines, and created backend services with Node.js/Express and PostgreSQL alongside frontend apps using Vue.js and NativeScript; extended ERP modules with CSV exports, PDF generation, and cross-module order note handling; provided 2nd and 3rd level support.

Software Developer at Optimo Software GmbH

January 1, 2019 - April 1, 2021

Continued development across ERP modules; contributed backend services with Node.js/Express and PostgreSQL; developed frontend components with Vue.js and NativeScript; enhanced CSV exports, reporting, and inter-module data handling.