# Roman Martynenko

> FullStack Software Engineer | React / NodeJS / .Net / SQL / NoSQL / AWS

Location: Brooklyn, New York, United States
Profile: https://flows.cv/romanmartynenko

Software Engineer with 10 years of experience in software development. I am a responsible, self-motivated, and hard-working professional with expertise in JavaScript, TypeScript, NodeJS, C#, .NET, Go, SQL, NoSQL and cloud computing with AWS. My passion for continuous self-improvement and dedication to delivering high-quality software solutions are my key strengths. Proficient in developing scalable microservices, enhancing CI/CD processes, and leading projects from conception to deployment.

## Work Experience
### FullStack Software Engineer, Founding Engineer @ Henry AI (YC S24)
Jan 2024 – Present | United States
Developed a dynamic front-end application for creating PDF presentations using Preact and Tailwind, improving user experience and streamlining presentation design for end users.
Engineered backend services in Go, integrating AI assistants to automatically extract and process data from input documents, thereby enhancing data retrieval efficiency and accuracy.
Collaborated closely with stakeholders to shape product vision, contributing to both front-end and back-end architecture decisions that support current and future scalability needs.
Actively participated in cross-team discussions, providing technical insights and ensuring that the application’s design aligns with business goals, which resulted in a more coherent and robust product development strategy.
Demonstrated initiative by incorporating AI technologies into core functionalities, leading to innovative data processing solutions that enhanced overall platform performance and user satisfaction.

### Senior FullStack Engineer @ Primer
Jan 2023 – Jan 2024
Implement and uphold industry-leading engineering best practices to ensure high-quality, maintainable, and scalable code.
Developed a robust framework that serves as the foundation for new microservices.
Led multiple projects for new versions of our product, overseeing the entire project lifecycle from inception to delivery. 
Actively participated in system design sessions and project management ceremonies, ensuring comprehensive planning and execution aligned with business objectives.
Enhanced development velocity by refining CI/CD processes.
Worked closely with cross-functional teams including product managers, designers, and fellow developers.
Conducted thorough analysis and optimization of application performance, ensuring efficiency, speed, and capability of handling high loads with minimal latency.

### Senior FullStack Engineer @ DataArt
Jan 2021 – Jan 2023 | Remote
Improved SEO scores for core pages of the application by working on Core Web Vitals and applying innovative techniques.
Architected and implemented scalable, robust, highly available, secure applications to meet needs using cloud computing (AWS).
Participated in delivering solutions involving work with microservices written in JS, C#, Python.
Rewrote core business logic with Typescript.
Learned C#/.Net.
Migrated core microservice from NodeJS service (Sequelize ORM) to .Net Core service (Entity Framework)
Conducted interviews with potential candidates.
Onboarded and mentored newcomers.
Organized knowledge share workshops increasing teammates' technical expertise.

### Javascript Developer @ DecisionMapper
Jan 2017 – Jan 2021 | Remote
Designed and implemented scalable applications for data extraction and analysis using React, NodeJS, and MongoDB, ensuring efficient data handling and processing.
Participated in requirements gathering sessions to solidify prerequisites and determine the best technical solutions to meet business needs, aligning development efforts with organizational goals.
Increased the speed of new product development by building a microservices platform in collaboration with stakeholders and other developers, facilitating faster and more efficient deployment of new features.
Built an employee structure analyzer service that significantly increased company revenue by 40%, demonstrating the impact of effective software solutions on business growth.
Analyzed existing software implementations to identify areas requiring improvement, implementing changes that enhanced performance, reliability, and user satisfaction.

### Frond-end developer @ PVD Technology
Jan 2016 – Jan 2017 | Cherkasy Region, Ukraine
Improved SEO scores by approximately 30% for two main corporate websites by rewriting the entire front end from scratch using Pug and VanillaJS, enhancing site performance and search engine rankings.
Boosted SEO scores by 30-60% for several satellite websites by optimizing page performance according to industry standards, resulting in increased visibility and traffic.
Developed new features and maintained five satellite websites driven by WordPress and MobX CMS, contributing to increased traffic to the main corporate websites.
Participated in front-end architectural decisions, establishing a component library development process and rewriting various website parts from jQuery and VanillaJS to React, modernizing the codebase and improving maintainability.
Onboarded and mentored a junior developer, providing guidance and support to ensure their successful integration into the team and fostering their professional growth.

### Front-end developer (freelancer) @ Rubarb Digital
Jan 2016 – Jan 2017 | Cherkasy Region, Ukraine
Collaborated with stakeholders throughout the development process to confirm creative proposals and design best practices, ensuring alignment with business objectives and user expectations.
Developed core business logic using PHP, JavaScript, HTML, and CSS for websites driven by the WordPress CMS, creating robust and efficient web solutions.
Produced websites compatible with multiple browsers and devices, ensuring a consistent and seamless user experience across different platforms.
Developed personal portfolio website from scratch with given design using Wordpress CMS.


## Education
### Master's degree in Computer Science
Cherkasy State Technological University
Jan 2019 – Jan 2021

### bachelor in computer technologies
Cherkasy State Technological University
Jan 2005 – Jan 2009


## Contact & Social
- LinkedIn: https://linkedin.com/in/roman-martynenko-15b91a141

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Source: https://flows.cv/romanmartynenko
JSON Resume: https://flows.cv/romanmartynenko/resume.json
Last updated: 2026-03-20