About

Marcin Zelent

Copenhagen, Denmark
<my-first-name>@zelent.net
https://www.linkedin.com/in/marcinzelent
https://github.com/marcinzelent

Experienced Senior Software Developer driven by passion for programming and technology, with interests and skills spanning across various areas of computer science including software design and development, cloud architecture, administration, and cybersecurity. Always ready to embrace challenges, learn new things, and grow professionally.

Experience

Senior Developer
Kraftvaerk
Jun 2023 - Present

• Design and development of new cloud-based solutions, microservices, REST APIs, integrations, automations, websites, e-commerce platforms, and portals.
• Cloud migrations, lift-and-shift, refactoring and rearchitecting systems into cloud-native applications, serverless functions, containers, splitting monoliths into smaller services.
• Analysis, maintenance, support, and expansion of existing solutions, adapting to changing business requirements, providing high availability and stable operation.
• Providing advice and guidance to clients, researching and designing new ideas, suggesting possible improvements, investigating and solving issues.
• Primarily back-end development with .NET, ASP.NET, C#, Microsoft Azure services, SQL Server, Docker, various CMS platforms and 3rd-party services.
• Setting up cloud services, deployments, creating CI/CD pipelines, and Terraform IaC configurations.
• Some front-end development with React and Vue.js.
• Preparation of technical drawings, diagrams, writing documentation, guides, tutorials.

Developer
Kraftvaerk
May 2022 - June 2023, 1 yr 2 mos

Consultant
Kraftvaerk
May 2021 - May 2022, 1 yr 1 mo

Founder, CTO
ArchitectureQuote
Sep 2018 - Feb 2021, 2 yrs 6 mos

• Built a complete SaaS platform from scratch in under 1 year
• Made strategic technology decisions
• Designed all aspects of the product and the system architecture
• Lead development, managed projects and a team of 5 developers
• Developed the back-end using Node.js, Express, and MongoDB
• Created the front-end with React and Redux
• Wrote multiple automation and data synchronization tools integrating various components
• Set up and maintained cloud-based infrastructure on AWS
• Introduced DevOps practices, created and maintained CI/CD pipelines

Web Developer
Kunde & Co
Oct 2018 - Dec 2019, 1 yr 3 mos

• Developed web applications and landing pages with HTML, CSS, JavaScript, and React
• Created automation scripts using Bash and Python
• Maintained multiple corporate websites
• Developed responsive email templates for newsletter campaigns
• Versioned web banners in different sizes and languages

Webmaster
Kunde & Co
May 2017 - Oct 2018, 1 yr 6 mos

• Managed content on corporate websites using WordPress and Umbraco
• Created HTML5, animated, and static banner advertisements
• Maintained multiple corporate websites
• Prepared website overviews listing pages and modules
• Helped with various image editing tasks in Adobe Photoshop

Customer Service Consultant
Call Center Poland
Aug 2016, 1 mo

• Recalling to customers and providing them with any necessary information if they pass verification
• Using integrated system for finding appointments, and sending documents

Education

Bachelor of Software Development
KEA - Københavns Erhvervsakademi
Feb 2019 - Jun 2020, 1 yr 5 mos

• Databases
• Software testing
• Data science
• Development of large systems
• System integration
• Software design patterns

Academic Proffesional of Computer Science
Zealand - Sjællands Erhvervsakademi
Sep 2016 - Jan 2019, 2yr 5 mos

• Programming
• Software development methodologies
• Databases
• Web services
• Networking
• IT security
• Web applications
• Mobile development

Certifications

Exam AZ-305: Designing Microsoft Azure Infrastructure Solutions
Microsoft
Sep 2023

Skills, technologies, programming languages

• Back-end web development:
  C#, .NET, ASP.NET, JavaScript, TypeScript, Node.js, Express, Sitecore, Umbraco, Optimizely

• Cloud design and development:
  Microsoft Azure, Amazon Web Services (AWS), microservices, serverless, containers, Docker

• System administration/DevOps:
  GNU/Linux, Azure, AWS, Terraform, Jenkins, Git, GitLab, Azure DevOps

• Databases:
  SQL, Microsoft SQL Server, Cosmos DB, MySQL, MongoDB, Entity Framework

• Scripting:
  Python, Bash

• Testing:
  MSTest, xUnit, Mocha, Selenium, Cypress

• Front-end web development:
  HTML, CSS, JavaScript, TypeScript, React, Next.js, Vue.js

• Desktop software development:
  C#, .NET, UWP, XAML, Go, C

• Mobile development:
  Java, Android

• Content management:
  WordPress, Umbraco, Adobe Experience Manager, Sitecore, Optimizely

• Multimedia editing:
  Adobe Photoshop, Adobe Illustrator, GIMP, Inkscape, Blender, Camtasia, Kdenlive, Audacity

• Methodologies:
  Agile, Scrum, Extreme Programming, Software Design Patterns

Languages

• Polish - native
• English - Professional working proficiency (C1)
• Danish - Elementary proficiency

Interests and hobbies

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