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Dorian HayesDH
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Dorian Hayes

@dorianhayes

Staff Full Stack Engineer at Datadog who designed event-driven services and cloud infrastructure for scalable applications.

Poland
Message

I’m a Staff Full Stack Engineer with 11+ years of experience building and scaling web applications, distributed systems, microservices, and cloud-native platforms. My background is primarily backend-focused, while also having strong experience building modern React and TypeScript frontends.

I’ve worked across fintech, enterprise software, and cloud platforms, with experience at companies including Datadog, Klarna, Thoughtworks, and Mollie. My core technologies include TypeScript, JavaScript, Python, Java, Ruby/Ruby on Rails, Go, React, Next.js, Node.js, PostgreSQL, Redis, Kafka, Docker, Kubernetes, AWS, Azure, and Terraform.

I enjoy solving complex technical problems, designing reliable APIs and distributed systems, improving application performance, and building scalable cloud infrastructure. I’m also passionate about software architecture, automation, observability, engineering best practices, and mentoring other engineers.

I’m particularly interested in opportunities where I can take ownership of challenging technical problems, contribute to architecture and product decisions, and work with a strong engineering team to build products that have meaningful impact.

Experience

Work history, roles, and key accomplishments

Datadog logoDA

Staff Full Stack Engineer

Jan 2023 - Sep 2026 (3 years 8 months)

Led full-stack development of scalable cloud applications with a backend-focused approach. Designed distributed services, event-driven systems, and cloud-native infrastructure while mentoring engineers and establishing engineering best practices.

KL

Senior Full Stack Software Engineer

Jan 2019 - Dec 2022 (3 years 11 months)

Designed and developed scalable full-stack applications and backend microservices for high-volume financial workflows. Optimized database performance, implemented event-driven architectures, and contributed to system design and engineering standards.

Education

Degrees, certifications, and relevant coursework

Wroclaw University of Science and Technology logoWT

Wroclaw University of Science and Technology

Master of Science, Computer Science

Master of Science in Computer Science from Wroclaw University of Science and Technology, completed in 2015.

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