K

Kaan Yagci

Co-Founder

Paris, Île-de-France, France0 mo experience

Key Highlights

  • 10+ years of hands-on experience in software engineering.
  • Recognized as a Docker Captain for expertise in containerization.
  • Co-founder of a scalable fashion-tech platform.
Stackforce AI infers this person is a Backend-heavy Fullstack Engineer with expertise in SaaS and cloud infrastructure.

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Skills

Core Skills

Continuous Integration And Continuous Delivery (ci/cd)Platform ArchitectureKubernetesFull-stack DevelopmentDevopsData ManagementGo DevelopmentSoftware EngineeringCloud DevelopmentSoftware DevelopmentJava DevelopmentWeb Application DevelopmentReal-time CommunicationSoftware LocalizationIntegration DevelopmentEntrepreneurship

Other Skills

GitlabDocker ProductsGo (Programming Language)Shell ScriptingMedical Device Regulation (MDR)OVHAmazon Web Services (AWS)OpenVPNTerraformAnsibleSite Reliability EngineeringDevSecOpsGitHubGitHub ActionsSymfony

About

I help software companies secure, scale, and ship faster without hiring a full-time platform team. As a fractional platform & backend engineer, I embed with teams to: - Build secure, scalable systems - Design reliable CI/CD pipelines - Improve developer experience (DX) and delivery velocity - Optimize Docker, Kubernetes, and cloud infra - Write clean, production-grade backend code (Go, Node.js, Python, Java) With 10+ years of hands-on experience and recognition as a Docker Captain I bridge the gap between fast-moving product teams and rock-solid infra. No fluff, no overengineering. Just systems that work. Currently co-founder at Vestiaire.io, a fashion-tech platform built on custom infra that scales across regions. I lead platform architecture, scaling, monitoring, and CI/CD, while also shipping backend features daily. Let’s scope something that fits your stage and needs. Book a 15-min call: https://yagci.dev

Experience

0 mo
Total Experience
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Average Tenure
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Current Experience

Satelia

Cloud Architect & Platform Engineer

Jul 2025Present · 10 mos · France

  • DevOps & Platform Engineer focused on secure, reproducible delivery and hybrid cloud infrastructure (AWS + OVH) in a regulated context (MDR/DM Classe IIa + GDPR), aligned with ISO 13485 (QMS/SMQ) and ISO/IEC 27001 (ISMS).
  • Maintained self-hosted GitLab CE + self-hosted runners on AWS/OVH, connected via IPsec VPN (CloudConnexa)
  • Migrated GitLab → GitHub with no impact on developer experience; redesigned CI/CD with GitHub Actions (security + reproducibility)
  • Improved deployment pipelines: ~15 min → ~2 min (robustness + performance)
  • Improved container posture: Docker Scout score F → A; introduced multi-stage builds and stronger Docker standards (incl. compose watch mode)
  • Updated unmaintained Symfony configuration to improve build predictability, performance and security
  • IaC: deployed/maintained Terraform on AWS & OVH; operated self-hosted GitHub runners
  • Observability: Datadog monitoring/alerting + Grafana dashboards (internal logging/monitoring)
  • Automation: Ansible for provisioning and operational workflows
  • QA enablement: dedicated test environment + integrated most tests into GitHub Actions with Qase for self-service E2E runs and standardized reporting
  • Applied and advocated OWASP security best practices; provided technical support to engineering and non-technical teams
GitlabContinuous Integration and Continuous Delivery (CI/CD)Docker ProductsGo (Programming Language)Shell ScriptingPlatform Architecture+17

Vestiaire

Co-founder & Platform Engineer

May 2024Present · 2 yrs · France · Remote

TypeScriptNeo4jPostgreSQLMicrosoft AzureDocker ProductsGo (Programming Language)+13

Owkin

Senior Software Engineer

Aug 2023Feb 2024 · 6 mos · Paris, Île-de-France, France · Remote

Docker ProductsKanikoPython (Programming Language)KubernetesDjangoHelm (Software)+4

Alterid

Senior Software Engineer

Nov 2022Nov 2024 · 2 yrs · France · Remote

  • As a senior Go developer at AlterId, I am responsible for building the underlying software that unlocks the full potential of sensitive data while ensuring safety. With a focus on optimizing software performance, I leverage concurrent programming techniques to efficiently handle vast amounts of data.
  • At AlterId, I pride myself on my ability to implement complex algorithms without relying on third-party libraries. I have an in-depth understanding of concurrent programming and apply this knowledge to design highly optimized systems. Through this work, I have gained a reputation as a go-to expert in data management.
  • My technical expertise is complemented by solid collaboration skills, as I work closely with cross-functional teams to ensure our software meets the needs of our clients. I am constantly seeking new ways to improve our software and stay up-to-date on the latest developments in my field.
  • I am passionate about using my skills to drive innovation and create a positive impact. I look forward to contributing to the continued success of AlterId as we help businesses unlock the power of their sensitive data.
Neo4jPostgreSQLDocker SDKMongoDBDocker ProductsGo (Programming Language)+9

Disy informationssysteme gmbh

Software Engineer

Feb 2022Jul 2023 · 1 yr 5 mos · Karlsruhe, Baden-Württemberg, Germany · Remote

  • As a Software Engineer at Disy, I am responsible for designing, developing, and maintaining software solutions that enable customers to prepare, analyze, and forward diverse data with spatial reference. Our clients rely on our solutions to make informed decisions and create sustainable action plans for environmental protection, transportation planning, urban development, and energy management.
  • My role involves working with Java, SpringBoot, TypeScript, Web Components, and Python to create innovative solutions that meet the unique requirements of our clients. I work closely with our development team to ensure that our software solutions are scalable, reliable, and secure and integrate seamlessly with our client's existing systems and workflows.
  • My day-to-day tasks include:
  • Collaborating with the development team to design and implement software solutions that meet customer requirements
  • Developing and maintaining software modules using Java, SpringBoot, TypeScript, Web Components, and Python
  • Debugging and resolving technical issues in a timely and efficient manner
  • Participating in code reviews to ensure software quality and maintainability
  • Keeping up-to-date with industry trends and best practices to continuously improve our software development process
LinuxPython (Programming Language)Spring BootSQLTypeScriptJava+6

Heywear

Principal full-stack engineer & DevOps

Feb 2020Dec 2021 · 1 yr 10 mos · New York, New York, United States · Remote

  • As a Principal Software Engineer at Heywear, I led the development of two backends - one for retail and the other for optometry. Using Python Flask, I designed and implemented features to meet the specific needs of Heywear's business, such as inventory management, order processing, and integration with third-party payment providers. I also collaborated closely with the product team to define the technical requirements for new features and ensure the development process aligned with the company's broader goals and objectives.
  • In addition to my work on the backends, I led the development of two mobile applications and a web application using Flutter. I worked closely with the design team to ensure a seamless user experience across all platforms and implemented product browsing, selection, and checkout features. I also developed an integration with Stripe Terminal, a physical POS machine that allows customers to pay in-store using their Heywear account. This involved designing a custom plugin for Flutter that enabled seamless communication between the application and the terminal.
  • Throughout my time at Heywear, I played a key role in the recruitment process. In particular, I was responsible for conducting technical interviews with candidates to assess their technical skills and fit for the Heywear team. I worked closely with the hiring manager to define the requirements for each role and to ensure that candidates had the necessary skills and experience to succeed.
  • As the team grew to 8 developers and the beta launch approached, I transitioned to a more DevOps-focused role. In this capacity, I developed an automation process using Go that streamlined the integration and smoke testing process in CircleCI. This enabled us to rapidly iterate on new features and ensure they met our quality standards before release. I also played a crucial role in configuring MedStack and AWS cloud resources, confirming that the Heywear platform complies with GDPR and HIPAA regulations.
Go (Programming Language)Python (Programming Language)Amazon Web Services (AWS)SQLFull-stack DevelopmentDevOps

Makepad

Full-stack developer & DevOps

Sep 2019Present · 6 yrs 8 mos · France · Remote

  • As a freelance software engineer and shareholder at Makepad, I was a consultant on developing web and mobile applications for various clients, including Heywear, Cadenza, AlterId, and Bixby. I collaborated with a team to implement software solutions using different technologies, including Go, Flutter, Python, Java, Spring Boot, TypeScript, and web components.
  • As a consultant, I understood our client's needs and requirements and worked with the development team to deliver solutions that met their expectations. I contributed to the design, development, and testing of software applications and worked closely with the DevOps team to ensure that our applications were configured correctly and optimized for deployment.
  • In addition to my work as a consultant, I also served as a DevOps engineer for the company, working with Docker, Kubernetes, and Docker Compose to deploy and manage applications in production environments.
  • As a shareholder in the company, I participated in strategic decision-making and helped shape the company's direction, working alongside other shareholders and the management team.
  • Working as a freelance software engineer, consultant, DevOps engineer, and shareholder at Makepad allowed me to work in a dynamic and entrepreneurial environment where I could contribute to the company's growth and success. I developed valuable skills in business strategy, teamwork, software development, and DevOps, which have enabled me to deliver successful projects to our clients and contribute to the overall success of Makepad.
  • Overall, my experience at Makepad has equipped me with the skills and knowledge needed to work effectively as part of a team, contribute to a company's strategic direction, and deliver high-quality software solutions to clients in various industries.
MongoDBPHPGo (Programming Language)Python (Programming Language)Spring BootC (Programming Language)+7

Harman international

Samsung Bixby-FR, Full-stack developer

Apr 2018Dec 2019 · 1 yr 8 mos · Région de Paris, France · On-site

  • As a Software Engineer at Harman International, I played a crucial role in localizing the Bixby project for French users. My work involved developing third-party integrations for local services such as RATP, Paris' public transportation service, JeuxVideo.com, and Marmiton. In addition to these local services, I also worked on localizing international services such as Uber and Yelp and native applications like Calculator and Samsung Health.
  • One of my notable achievements on the project was developing a new approach to the existing calculator module. By using NearlyJS, I was able to preprocess user intents in a way that significantly improved the module's performance. This approach was so effective that it was adapted by all 11 other country targets, demonstrating the scalability of my solution.
  • While at Harman International, I collaborated closely with my team members to ensure the timely delivery of all project milestones. I also maintained a high level of professionalism and attention to detail in my work, conducting thorough testing and debugging to ensure the quality of our deliverables.
  • Overall, my contributions to the Bixby project helped to improve the user experience for French speakers and demonstrated my proficiency in developing effective software solutions.
Python (Programming Language)SQLNatural Language Processing (NLP)TypeScriptJavaScriptSoftware Localization+1

Yurt dışında okumak

Principal Software Engineer

Jan 2017May 2021 · 4 yrs 4 mos · Remote

  • As a Principal Software Engineer at Yurt Disinda Okumak, I led the development of various projects aimed at enhancing student engagement and improving social media reach. I built a web application for students to share their experiences and a real-time chat platform. Additionally, I created an internal tool using Go and ffmpeg to restream live video streams from our Instagram account to other social media platforms, overcoming technical challenges.
  • Responsibilities:
  • Developed a web application that enabled students to publish and share their experiences with other students.
  • Built a real-time chat platform to facilitate communication among users.
  • Developed an internal tool using Go and ffmpeg to re-stream live video content from our Instagram account to other social media platforms. This involved adapting the video's resolution and orientation to meet the requirements of each platform.
  • In addition to these responsibilities, I also faced several technical challenges while working on this project. One of the biggest challenges was ensuring the smooth streaming of live video content, which can be affected by factors such as network bandwidth, latency, and processing power. To address these challenges, I implemented several techniques, including:
  • Adaptive bitrate streaming: This involved dynamically adjusting the video's bitrate and resolution based on the viewer's internet connection speed to ensure uninterrupted playback.
  • Load balancing: To ensure the system could handle a large number of concurrent viewers, I implemented a load-balancing mechanism that distributed incoming traffic across multiple servers.
  • Quality control: I set up automated tests and monitoring tools to detect and resolve any quality issues in the video stream, such as pixelation or buffering.
  • Overall, my experience in building this live video streaming tool has given me a deep understanding of the technical challenges involved in delivering high-quality video content to users in real-time.
PHPGo (Programming Language)Python (Programming Language)Google Cloud Platform (GCP)TypeScriptAngular+7

Appero

Founder

Feb 2016Oct 2016 · 8 mos · Bordeaux Area, France · On-site

  • As the founder of Appero, I was responsible for developing and implementing the entire software solution for the service. This included using ExpressJS and JavaScript to build the SMS-based delivery service platform, which enabled customers to place orders and receive alcoholic beverages 24/7 in Bordeaux, France.
  • As an entrepreneur, I also had to wear many hats and handle various aspects of the business. For example, I was responsible for recruiting and managing the delivery crew, taking inventory and supplies, and ensuring that all deliveries were made on time and to the satisfaction of our customers.
  • In addition to technical skills, I had to develop strong leadership and management abilities to effectively manage the team and make strategic decisions for the company's growth. This included developing marketing strategies to promote the service and expand our customer base and negotiating partnerships and collaborations with other businesses in the industry.
  • Overall, founding and running Appero required a mix of technical skills, an entrepreneurial mindset, and business acumen. I am proud of the work I did to build and grow the service, and the experience has been valuable in helping me develop as a professional and entrepreneur.
SQLNatural Language Processing (NLP)JavaScriptEntrepreneurshipSoftware Development

Education

Pierre and Marie Curie University

Master of Science (M.S.) — Software Engineering

Jan 2016Jan 2019

Université de Bordeaux

Master's degree — Computer Software Engineering

Jan 2015Jan 2016

Pierre and Marie Curie University

Bachelor of Science - BS — Computer Science

Jan 2012Jan 2015

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