09/08/2026 updated

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Senior Software Architect | Full-Stack Engineer | AI-Accelerated Delivery

Woerden, Netherlands
Only remote
Bachelor of Computer Engineering (EQF Level 6), Ankara University, Turkey
Woerden, Netherlands
Only remote
Bachelor of Computer Engineering (EQF Level 6), Ankara University, Turkey

Profile attachments

harun_cv_2026 (1).pdf

About me

Senior Software Architect & Full-Stack Engineer with 17+ years building end-to-end systems. Deep expertise in TypeScript, Python & distributed cloud architecture. Co-founder mindset, leveraging AI tools (Claude Code, Cursor) daily for rapid, high-quality delivery.

AI AgentsGitHub ActionsJava (Programming Language)Application Programming Interfaces (APIs)Amazon Web ServicesCloud EngineeringContinuous DeliveryContinuous IntegrationDevOpsDjangoPostgreSQLSoftware ArchitectureRedisNext.jsGoogle CloudReact.jsSpring BootGenerative AIBackendBackend ProgrammingKubernetesGoogle Cloud FunctionsFull Stack DevelopmentFront End Software DevelopmentMicroservices
Backend Architecture & Distributed Systems
Expertise in designing and maintaining high-throughput backend services, event-driven architectures, RESTful APIs, and microservices in Java (Spring Boot), Python (Django/DRF), C# (.NET), and Kotlin (Vert.x) across distributed, polyglot environments.

Cloud-Native Development (AWS & GCP)
Hands-on experience building cloud-native solutions on AWS and GCP, including services such as AWS SQS, Cloud Pub/Sub, Cloud Tasks, and Google Cloud Functions, with a focus on scalability, reliability, and maintainability.

Full-Stack Development with TypeScript & Modern Frontend Frameworks
Proficiency in TypeScript, JavaScript, React, Next.js, and Angular for building frontend interfaces and full-stack applications, combined with strong backend integration capabilities.

Container Orchestration & DevOps
Practical experience with Docker, Kubernetes, Helm, Skaffold, and CI/CD pipelines using Github, GitHub Actions, deployment workflows and production system management.

Database Design & Caching Strategies
Solid background in database schema design with PostgreSQL, caching strategies using Redis, and inter-service communication patterns across distributed systems.

AI-Assisted Development Tools
Daily use of AI-assisted development tools including Claude Code CLI, Codex CLI, Cursor, and GitHub Copilot CLI to accelerate engineering delivery and improve code quality across teams.

Semantic Search & RAG
Development of semantic search engines for large-scale research and knowledge assets, architecting backend services using OpenSearch for efficient discovery.

Testing & Quality Assurance
Experience with testing frameworks and tools including Playwright, Selenium, Cypress, Gatling, REST-assured, MockServer, and SonarQube/Aikido/Snyk (and open source alternatives) for quality assurance and performance testing.

Systems-Level Engineering (C++ & DSP)
Development of a generic USB Audio Engine from scratch in C++, supporting all USB-standard audio interfaces, and R&D collaboration in Digital Signal Processing using Faust.

Experience

Professional experience10+ years
Freelancer since2008

Languages

EnglishFluentDutchBasic knowledgeTurkishNative speaker

Project history

Full-Stack Software Consultant

DSM-Firmenich (via Xebia)
Developing a semantic search engine for scientists, architecting backend services for efficient discovery across large-scale research and knowledge assets. Acting as technical consultant on system architecture, delivery practices, and long-term technical direction. Building AWS cloud-native backend solutions with a focus on scalability, reliability, and maintainability. Using AI-assisted development tools (GitHub Copilot) to improve engineering velocity. Initiated bi-weekly knowledge-sharing sessions to improve team alignment and engineering quality. Technologies: Python, AWS, OpenSearch, GitHub Copilot.

Technical Lead (volunteer / advisory)

Lafburg (VOF)
Leading a team of 4 developers, owning architecture decisions and technical direction for a professional social platform. Designed event-driven backend flows using Google Cloud Pub/Sub and Cloud Tasks. Built AI-driven features including content moderation, email automation, and semantic search using embeddings via Google Cloud Functions. Extensively using AI-assisted development tools (Cursor, Claude Code) to accelerate delivery and improve code quality. Technologies: Python/Django, Next.js/React, GCP, GitHub Actions, Snyk, Aikido/SonarQube, Playwright.

Full-Stack Software Consultant

Xebia Nederland BV
Designed and developed Happiness Index, an internal feedback platform, handling backend API design, data modeling, and service architecture. Conducted 40+ technical interviews for a strategic client, contributing to hiring quality and team scaling at staff level. Contributed to proposals and presales activities, bridging technical feasibility with business needs. Hosted 5+ knowledge-sharing sessions on backend engineering best practices.

Senior Full-Stack Software Engineer

Irdeto BV
Designed and maintained high-throughput backend services within the Irdeto Control product family: license acquisition APIs, multi-DRM servers (Widevine, Playready, FairPlay), and concurrent stream management serving millions of end-user devices globally. Supported backend systems during major global live events, processing billions of license requests per month at peak demand. Built and optimized event-driven workflows using Apache Kafka for real-time license management and stream concurrency enforcement. Developed and maintained RESTful APIs and microservices in Java (Spring Boot), C# (.NET), and Kotlin (Vert.x). Drove architectural decisions including database schema design (PostgreSQL), caching strategies (Redis), and inter-service communication patterns. Owned deployment workflows (Docker, Kubernetes, Helm, Skaffold) and served as rotational on-call engineer. Recognized as High Performance & High Potential employee for FY23 and FY24. Technologies: Java, C#, Kotlin, Apache Kafka, Redis, PostgreSQL, Docker, Kubernetes, Helm, AWS, Jenkins.

Co-founder | CTO | Lead Software Engineer

Holosen Inc.
Led technical vision and architecture for a manufacturing management platform, from concept through production deployment serving manufacturing operations. Designed the backend system using Python (Django/DRF) with PostgreSQL, building RESTful APIs consumed by factory-floor applications and management dashboards. Participated in 250+ customer interviews alongside business development, translating domain requirements into scalable backend solutions. Recruited, onboarded, and mentored a team of software developers, establishing engineering practices and a growth-oriented culture. Gained hands-on manufacturing domain expertise, including CNC milling operation certification. Technologies: Python (Django, DRF), TypeScript (Angular), PostgreSQL, Redis, Docker, GCP, Digital Ocean.

Co-founder | CTO | Lead Software Engineer

Deplike R&D LLC
Co-founded a startup building an Android application for guitar players, enabling mobile devices to function as amps and FX pedals. Developed a generic USB Audio Engine from scratch in C++, supporting all USB-standard audio interfaces. Led R&D collaboration with a consulting professor in Digital Signal Processing; served as Scrum Master for a multidisciplinary team. Managed hiring, onboarding, and mentoring of engineers across software, audio, and electrical engineering disciplines. Won the 2016 YFYI startup competition (METU Technopark Special Award), including a San Francisco bootcamp. Technologies: Java (Android, JNI), C++ (USB Audio Engine, LibUSB), Faust (DSP).

Full-stack Software Engineer

YD Software LLC
Delivered backend systems for government projects: national library management (Ministry of Culture and Tourism), remote education platform (Ministry of Family, Labor, and Social Services), and municipal solutions (Ankara Metropolitan Municipality). Led the company's rebranding initiative including website and communication strategy. Technologies: PHP, JavaScript, PostgreSQL.

Co-founder & Lead Software Engineer

MNV Creative Studios
Founded first company at age 22 with four partners. Delivered 50+ custom web solutions including a real estate marketplace, exhibition registration system, and event ticket lottery system. Produced promotional videos, short films, and music for clients. Technologies: PHP, JavaScript.

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