Recommended expert

Cătălin Cășuneanu

Full Stack Engineer

Cătălin Cășuneanu
Arad, Romania

Experience

Jan 2025 - Present
1 year 1 month

Full Stack Engineer

WebChain

  • Full-stack development on a fintech crypto payment platform using Node.js, .NET, Java, and Flutter.
  • Led integration of Paybis API for fiat onramping/offramping and Kraken API for crypto swap capabilities, ensuring secure, compliant, and seamless financial transactions.
Nov 2022 - Jan 2025
2 years 3 months

Full Stack Engineer

WebChain

  • Developed and maintained an internal enterprise platform and integrated applications for BMW employees using Angular and Java.
  • Delivered scalable, user-centric web solutions improving employee workflow and collaboration across dozens of apps within the MyWorkplace ecosystem.
Jan 2022 - Present
4 years 1 month
San Francisco, United States

Chief Technology Officer

VoicePatrol

  • Lead the design and implementation of a cloud-based real-time audio moderation platform utilizing Kubernetes, AWS, and container orchestration.
  • Established CI/CD pipelines and infrastructure-as-code workflows to accelerate delivery and system reliability.
  • Manage and mentor cross-functional engineering teams, coordinating product and technology roadmaps aligned with business goals.
Feb 2021 - Nov 2021
10 months
Arad, Romania

PHP Developer

Papionne

  • Architected and developed API integrations with platforms such as HubSpot, Wix, and Xero using Laravel and Lumen frameworks.
  • Created responsive front-end user interfaces employing Vue.js, Alpine.js, and Livewire technologies.
Jun 2020 - Nov 2021
1 year 6 months
Seattle, United States

C# Developer

TTINAGI LLC

  • Developed management platform starting as a Blazor desktop app, later migrated to Electron with React.js frontend and Node.js backend.
  • Led and coordinated a development team of 12 engineers, ensuring project milestones and delivery objectives.
Aug 2015 - Present
10 years 6 months

Founder | Software Engineer

Jay Software

  • Lead a software consultancy specializing in cloud applications engineering, delivering custom cloud-native solutions that scale with business growth.
  • Design and develop cloud-based full-stack applications using modern frameworks such as React, Angular, Node, and Golang, optimizing for performance, security, and maintainability.
  • Provide end-to-end delivery from requirements gathering and solution architecture to development, cloud deployment, and ongoing maintenance and scaling.
  • Implement infrastructure automation and CI/CD pipelines to improve reliability and accelerate release cycles.
  • Collaborate closely with clients to align technology strategies with business objectives, ensuring high-impact cloud transformation and digital modernization.
  • Continuously integrate emerging cloud technologies and best practices to keep client solutions future-ready.

Summary

Senior Software Engineer and CTO with over 10 years of experience building scalable cloud-native platforms and integrating complex payment and blockchain systems. Strong expertise in cloud architecture, infrastructure automation, microservices, and cross-language full-stack development. Proven ability to lead and deliver complex projects in fintech, audio moderation, and enterprise software domains. Skilled in AWS, Kubernetes, CI/CD pipelines, and infrastructure-as-code with a passion for cloud engineering solutions.

Skills

  • Cloud & Devops: Aws, Kubernetes, Docker, Terraform, Ci/cd Automation
  • Programming: Python, Go, Node.js, Javascript (React, Angular, Vue.js), Php, C#
  • Frameworks & Tools: Nestjs, Laravel, Electron, Blazor
  • Leadership: Agile Methodologies, Technical Team Lead, Project And Roadmap Management

Languages

English
Advanced
Romanian
Intermediate

Education

Oct 2010 - Jun 2014

Colegiul National Elena Ghiba Birta

Mathematics and Computer Science · Arad, Romania

Profile

Created
Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Frequently asked questions

Do you have questions? Here you can find further information.

Where is Cătălin based?

Cătălin is based in Arad, Romania.

What languages does Cătălin speak?

Cătălin speaks the following languages: English (Advanced), Romanian (Intermediate).

How many years of experience does Cătălin have?

Cătălin has at least 10 years of experience. During this time, Cătălin has worked in at least 5 different roles and for 5 different companies. The average length of individual experience is 1 year and 8 months. Note that Cătălin may not have shared all experience and actually has more experience.

What roles would Cătălin be best suited for?

Based on recent experience, Cătălin would be well-suited for roles such as: Full Stack Engineer, Chief Technology Officer, PHP Developer.

What is Cătălin's latest experience?

Cătălin's most recent position is Full Stack Engineer at WebChain.

What companies has Cătălin worked for in recent years?

In recent years, Cătălin has worked for WebChain, VoicePatrol, Papionne, TTINAGI LLC, and Jay Software.

Which industries is Cătălin most experienced in?

Cătălin is most experienced in industries like Information Technology (IT), Automotive, and Banking and Finance.

Which business areas is Cătălin most experienced in?

Cătălin is most experienced in business areas like Information Technology (IT), Product Development, and Operations. Cătălin also has some experience in Project Management.

Which industries has Cătălin worked in recently?

Cătălin has recently worked in industries like Information Technology (IT), Automotive, and Banking and Finance.

Which business areas has Cătălin worked in recently?

Cătălin has recently worked in business areas like Information Technology (IT), Product Development, and Operations.

What is Cătălin's education?

Cătălin attended Colegiul National Elena Ghiba Birta for Mathematics and Computer Science.

What is the availability of Cătălin?

Cătălin is immediately available full-time for suitable projects.

What is the rate of Cătălin?

Cătălin's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Cătălin?

To hire Cătălin, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
200
Market avg: 580-740 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.