Available to hire
Hi, I’m Stefanos Ugbit, a software engineer with over 5 years of experience building scalable full‑stack applications. I specialize in .NET, AWS, React, Node.js, and TypeScript to deliver production‑grade solutions that drive business outcomes.
I enjoy modernizing legacy systems, optimizing backend performance, and automating workflows. I collaborate across product, design, and ops teams, and I leverage AI‑assisted tools like GitHub Copilot and ChatGPT Codex to accelerate development while maintaining clean, testable code that ships.
Skills
Experience Level
Language
English
Fluent
Work Experience
Software Engineer at Faroe
August 1, 2025 - PresentContributed to the architecture and scaling of a next-generation insurtech platform, automating onboarding workflows to reduce manual processing time by 40%. Designed and implemented Next.js and TypeScript components supporting responsive, data-driven UI for real-time customer interactions. Built Node.js backend microservices to handle asynchronous API calls, data pipelines, and secure integrations with third-party systems. Partnered with product and UX teams to enhance user journey efficiency, increasing customer satisfaction scores by 15% in the first release cycle. Implemented AI-assisted development workflows and refined repository structures, improving code clarity and team velocity by 25%.
Software Engineer at The Hartford
October 1, 2023 - April 1, 2025Led enterprise-wide .NET modernization efforts across 160+ codebases, designing and automating upgrade scripts that reduced manual intervention by 80%. Refactored high-priority legacy applications, reducing technical debt and increasing codebase maintainability for faster deployment cycles. Implemented backend optimization strategies that decreased API response latency by 30%, directly enhancing user experience and retention. Collaborated with QA and DevOps to integrate CI/CD pipelines using Jenkins and Azure DevOps, cutting deployment time by 50% and eliminating recurring build issues. Acted as a technical liaison between software teams and business stakeholders to ensure modernization initiatives align with compliance and performance goals.
Software Engineer at American Express
December 1, 2021 - May 1, 2023Designed and deployed a PDF upload and validation API, reducing system errors by 30% and lowering customer complaint rates by 20% across digital service platforms. Enhanced transaction systems managing over $9B in capital for 220,000+ SMB clients, optimizing data integrity and improving processing throughput by 15%. Rebuilt React-based dashboards, improving performance and data visualization accuracy, cutting email-related system errors by 25%. Implemented advanced error logging, exception handling, and monitoring tools (DataDog, AWS CloudWatch), reducing average troubleshooting time by 25%. Partnered with global teams to align system releases with international data privacy and PCI compliance standards.
Software Engineer at Blend
March 1, 2021 - September 1, 2021Strengthened platform reliability by increasing unit test coverage by 10% in the first month using Jest and SuperTest, reducing post-release incidents. Refactored key Node.js services to improve asynchronous handling and runtime efficiency, reducing API processing time by 20%. Integrated RESTful credit-rate check APIs ensuring compliance with Wells Fargo's financial and security requirements, improving data validation accuracy. Supported migration from monolithic services to modular microservices, simplifying maintenance and enabling scalable updates.
Front-End Web Developer at Independent Contract
October 1, 2019 - February 1, 2021Delivered responsive UI features with React and TypeScript, focusing on accessibility and performance. Built and maintained modular component libraries, implemented API integrations, and collaborated with back-end teams to ship polished web applications on schedule. Improved build performance and site reliability through code-splitting, testing, and automated workflows.
Mentorship Coordinator at Blacks In Technology
October 1, 2019 - February 1, 2021Coordinated mentorship programs for Black technologists, organized events and workshops, and supported community outreach. Mentored aspiring developers, helped participants prepare portfolios, and facilitated networking opportunities that increased engagement and membership.
Education
Bachelor of Arts in International Relations at City College of New York (CUNY)
January 1, 2017 - February 16, 2026Qualifications
Industry Experience
Software & Internet, Consumer Goods, Financial Services, Non-Profit Organization, Travel & Hospitality, Professional Services
A full-stack personal finance management system with expense tracking, multi-account management, analytics dashboards, and an AI-powered budget assistant using Claude for personalized financial guidance.
Hire a Full Stack Developer
We have the best full stack developer experts on Twine. Hire a full stack developer in New York today.