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Location

Ukraine

Rate

$45  / per hour

Years of experience

6+

About

Highly skilled Full Stack Node.js Developer with extensive experience in developing robust backend systems, web, and mobile applications. Specializing in utilizing a variety of cutting-edge technologies, including React.js, Nest.js, React Native, Docker, Express, and both SQL and NoSQL databases. In addition to proficiency in full stack development, possesses a deep understanding of cloud infrastructure technologies. Adept at working with Google Cloud Platform (GCP), Amazon Web Services (AWS), and Infrastructure as Code (IaC) using Helm charts and Kubernetes (k8s). A proven track record of deploying, managing, and optimizing applications across diverse cloud environments, ensuring high performance and scalability. With a commitment to staying at the forefront of technology and best practices, brings a blend of technical expertise and practical experience to every project. The ability to integrate and optimize complex systems makes an invaluable asset to any development team.

Tech Stack

Node, AWS and Cloud, C++, Express.js, GCP, JavaScript, NestJS, Python, React, React Native, Redux, TypeScript

Experience

  • Enhanced the technological framework for a leading fintech company specializing in Know Your Customer (KYC) and Customer Due Diligence (CDD) services, helping global banking clients meet strict regulatory standards.
  • Transitioned the existing AWS serverless solution to a more scalable, maintainable NestJS platform-agnostic system.
  • Developed and maintained a mobile app and backend microservices for over 50 sports clubs in Sweden and Norway.
  • Utilized the Nest.js framework in a Node.js environment, deploying to Google Kubernetes Engine (GKE) for reliable, scalable infrastructure.
  • Built the mobile app with React Native, catering to individual club needs while maintaining a unified codebase across platforms.
  • Developed a responsive web application using React.js, ensuring a seamless user experience across platforms.

Employment history

Senior Software Engineer, Ciklum August 2023 - since

-Enhancing the technological framework to meet regulatory standards for global banking clients.
-Transitioning the existing AWS serverless solution to a scalable, maintainable NestJS platform-agnostic system.
-Integrating Kafka and Redis for efficient event handling and data processing.
-Implementing OpenSearch to improve the accuracy and efficiency of transaction data searches.
-Collaborating with a team of 10 to align technological enhancements with business goals.
-Conducting detailed code reviews and developing comprehensive unit and end-to-end tests using Jest and Cucumber.
-Optimizing cloud infrastructure for cost-efficiency and performance.
-Ensuring security and compliance standards are met across all developments.

Full Stack Developer, The Fan Group AS May 2021 - August 2023

-Developing and maintaining a mobile app and backend microservices for 50+ sports clubs in Sweden and Norway.
-Utilizing Nest.js framework in a Node.js environment, deploying to Google Kubernetes Engine (GKE) for reliable, scalable infrastructure.
-Building a responsive web application with React.js for a seamless user experience across platforms.
-Implementing features such as news feeds, match stats, sponsors list, special offers, and an e-commerce platform.
-Collaborating with individual clubs to cater to their specific needs while maintaining a unified codebase.
-Conducting performance optimization and scalability improvements.
-Managing version control and CI/CD pipelines to ensure efficient deployment processes.

Full Stack Developer, Abbitsoft Consulting November 2020 - May 2021

-Developing a customized food delivery application with user-friendly web and mobile interfaces.
-Building the ordering app with React Native for a seamless and responsive user experience.
-Creating a vendor application to help food providers manage their orders in real-time.
-Powering the backend with Firebase for advanced user authentication and real-time notifications.
-Conducting rigorous testing and deploying applications on Google Play Store and Apple App Store.
-Implementing real-time data synchronization and notification systems.
-Optimizing application performance and ensuring data security.

Fullstack Developer, Freelance Developer January 2020 - November 2020

-Working with diverse clients to develop both front-end applications and back-end solutions using Express.
-Developing the Transfigure app, a social media platform for sharing quotes with dynamic post search features and user personalization.
-Creating an application for connecting users with local events, integrating social login and Google Places API.
-Building an app to aid older individuals in chronic pain recovery with video streaming and user authentication features.
-Maintaining close communication with clients and adhering strictly to designs.
-Conducting end-to-end development, from initial concept to deployment.
-Providing ongoing maintenance and updates for client projects.

Full Stack Developer, Logos Offshore October 2018 - January 2020

-Developing a robust mobile and web app suite for internal warehouse management in a shipbuilding company.
-Using React Native for cross-platform mobile application development.
-Building a web application with a similar user experience to ensure seamless transition between platforms.
-Utilizing Node.js to create an agile and secure backend infrastructure.
-Optimizing warehouse management processes to enhance efficiency and reduce errors.
-Implementing features for equipment rental management by employees.
-Conducting performance testing and scalability improvements for the application suite.

Education history

Control systems engineering and robotics, Gdańsk University of Technology October 2017 - November 2021 Computer science studies
Tom Potanski

“80+ clients have experienced exceptional results from our IT recruitment and software development services.”

Tom Potanski

Tom Potanski Founding Partner, DevsData

DevsData LLC Reviews 5.0 Rated 5.0 stars
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"The agency led the hiring with a dedicated recruitment team. In the end, the client hired two senior technicians, one from Spain and another from Portugal, greatly enriching its engineering team."
Sebastian Abdy Saboune's avatar
Sebastian Abdy Saboune
Cofounder & CPO
Twist Solutions, Ltd.
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5.0
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"We consider the developers they recommended exceptionally strong from a technical perspective. I can recommend the services of DevsData to all tech companies in need of exceptional tech talent."
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Garik Suess
Cofounder & CTO
Qualifyze GmbH
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5.0
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"It was a pleasure to work with DevsData. They excelled at commitment, communication skills, and time and team management. They were extremely organized and efficient, and they tackled every part of the project (several projects) with the utmost care."
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Steven Haley
Managing Director
Kroll, Inc.
Verified Review
5.0
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"DevsData reached out to us, as we've been looking to grow our engineering team in Europe and Poland. Communicating efficiently and professionally, DevsData made a strong impression with their understanding of the recruitment challenges we were facing."
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Karim Butt
Cofounder & CTO
GlossGenius, Inc.
Verified Review
5.0
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"I really appreciate their ability to adapt to our preferred ways of working, agility and successful delivery."
Tom McGovern's avatar
Tom McGovern
Managing Director
Idealab, Inc.
Verified Review
5.0
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"They have really proved their worth and have shown me that my company’s money is really well spent."
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Matthew Wiklo
CEO
Epinote
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5.0
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"I've been working on several IT projects with DevsData for more than five years. There were many software projects they completed for us."
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Christopher Ting
Senior IT Manager
Verus Analytics LLC
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5.0
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"From beginning to end, the cooperation was smooth and contact with DevsData representatives was very easy."
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Patrick Lobocki
CEO
Roesier, Inc.
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5.0
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"From beginning to end, my experience with DevsData was only positive."
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Daniel Goebel
CEO
CoCoHub, Ltd.
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5.0
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"Quality control is rare in this line of business, I think this is the secret sauce of their exceptional quality."
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Paul Polewicz
CEO
Reef Technologies
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5.0
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"This rapid pace and immaculate organization are what stood out to me most about DevsData."
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Joanna Szymanski
Owner & CEO
Xino Sports LLC
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5.0
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"We at Flowr Agency are particularly pleased with the outcomes, notably the superior code quality, speed, and communication. It confidently endorses the agency's services to other marketing firms."
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Loic Moncany
Cofounder
Flowr Agency
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5.0
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"We felt good about our collaboration. They were good people to work with, full of energy, creative, and proactive."
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Christian Cieslak
CEO
Remarkable Ones
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5.0
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"We also recommended DevsData to my business connections as they did a truly fantastic job."
Matthew Lenicki's avatar
Matthew Lenicki
CEO
WebCrafters, Inc.
Verified Review
5.0
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"For DevsData to find four amazing developers so fast - that cannot be just luck."
Adam Zaczek's avatar
Adam Zaczek
Founder
1Security
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5.0
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"Our cooperation has been very efficient, and I love it."
Adam Janczewski's avatar
Adam Janczewski
Founder & CEO
Jutro Medical
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5.0
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"Tom and his team showed great dedication to us as client and allowed wellbee to launch an Alpha stage of our online therapy product in under 1 month from absolute scratch. I need to congratulate them on the very good UX and UI design and good communication skills of the whole team."
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Paul Chrzan
Cofounder and CEO
Wellbee
Verified Review
5.0
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"Out of all the vendors we work with, DevsData clearly stands out. The quality of developers they deliver is beyond what we've received from any other vendor, and they've been able to send profile recommendations very quickly. I'm happy to be their reference for other companies from Israel and talk about their recruitment abilities and what they delivered for us - we eventually signed over 19 engineers from DevsData. I'm extremely satisfied with this recruitment process."
Ran Eyal's avatar
Ran Eyal
Program Manager
ZIM
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Ex-Tesla Engineer,

Mentor at YCombinator

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Tailored recruitment process, trusted market expertise.

“DevsData reached out to us, as we’ve been looking to grow our engineering team in Europe and Poland. Communicating efficiently and professionally, DevsData made a strong impression with their understanding of the recruitment challenges we were facing. They designed a tailored recruitment process for our needs. I was impressed with the technical depth of their approach.”

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Outstanding vendor, 21 engineers hired.

“Out of all the vendors we work with, DevsData clearly stands out. The quality of developers they deliver is beyond what we've received from any other vendor, and they've been able to send profile recommendations very quickly. I'm happy to be their reference for other companies from Israel and talk about their recruitment abilities and what they delivered for us.”

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Senior Manager at

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Shipping Services Ltd.

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Proactive partner, exceptional results.

“DevsData demonstrated a strong degree of proactivity, taking time to thoroughly understand the problem and business perspective, and continuously suggesting performance and usability enhancements. Their app exceeded my expectations. I've worked with DevsData on numerous projects over the last 3 years and I'm very happy. Being both responsive and honest in communication.”

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