Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a frontend software engineer with 3+ years of experience building scalable web applications using Next.js, React, NestJS and TypeScript. I enjoy crafting complex user flows, integrating with APIs, and delivering features that put users first. I thrive in cross-functional collaboration and communication with designers and backend engineers to ship robust, maintainable solutions. Most recently I contributed at Liber Save as a remote frontend developer, where I built a data import system for merchant onboarding, designed a multi-step upload flow with validation and real-time feedback, and implemented an email delivery microservice. Previously at Saule IT Services I monitored high-load live systems and helped prevent financial risk, while also bringing a leadership mindset from my experience leading a technical support team under pressure.…I am a frontend software engineer with 3+ years of experience building scalable web applications using Next.js, React, NestJS and TypeScript. I enjoy crafting complex user flows, integrating with APIs, and delivering features that put users first. I thrive in cross-functional collaboration and communication with designers and backend engineers to ship robust, maintainable solutions. Most recently I contributed at Liber Save as a remote frontend developer, where I built a data import system for merchant onboarding, designed a multi-step upload flow with validation and real-time feedback, and implemented an email delivery microservice. Previously at Saule IT Services I monitored high-load live systems and helped prevent financial risk, while also bringing a leadership mindset from my experience leading a technical support team under pressure.

Daniil Sereda

Front-End Developer, Full Stack Developer, Web Developer, +4





I am a frontend software engineer with 3+ years of experience building scalable web applications using Next.js, React, NestJS and TypeScript. I enjoy crafting complex user flows, integrating with APIs, and delivering features that put users first. I thrive in cross-functional collaboration and communication with designers and backend engineers to ship robust, maintainable solutions. Most recently I contributed at Liber Save as a remote frontend developer, where I built a data import system for merchant onboarding, designed a multi-step upload flow with validation and real-time feedback, and implemented an email delivery microservice. Previously at Saule IT Services I monitored high-load live systems and helped prevent financial risk, while also bringing a leadership mindset from my experience leading a technical support team under pressure.…I am a frontend software engineer with 3+ years of experience building scalable web applications using Next.js, React, NestJS and TypeScript. I enjoy crafting complex user flows, integrating with APIs, and delivering features that put users first. I thrive in cross-functional collaboration and communication with designers and backend engineers to ship robust, maintainable solutions. Most recently I contributed at Liber Save as a remote frontend developer, where I built a data import system for merchant onboarding, designed a multi-step upload flow with validation and real-time feedback, and implemented an email delivery microservice. Previously at Saule IT Services I monitored high-load live systems and helped prevent financial risk, while also bringing a leadership mindset from my experience leading a technical support team under pressure.

Available to hire

I am a frontend software engineer with 3+ years of experience building scalable web applications using Next.js, React, NestJS and TypeScript. I enjoy crafting complex user flows, integrating with APIs, and delivering features that put users first. I thrive in cross-functional collaboration and communication with designers and backend engineers to ship robust, maintainable solutions.

Most recently I contributed at Liber Save as a remote frontend developer, where I built a data import system for merchant onboarding, designed a multi-step upload flow with validation and real-time feedback, and implemented an email delivery microservice. Previously at Saule IT Services I monitored high-load live systems and helped prevent financial risk, while also bringing a leadership mindset from my experience leading a technical support team under pressure.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Russian

Fluent

Spanish; Castilian

Beginner

Work Experience

Frontend | Software Developer (Remote) at Liber Save

November 1, 2024 - Present

Developed a data import system for merchant platform (Excel / Google Sheets), improved product onboarding; Built a multi-step upload flow with validation, error handling, and real-time feedback; Collaborated with designers to define UX/UI; Worked with backend to design API contracts and data processing; Implemented data synchronization features including scheduled sync; Designed and implemented an email delivery microservice (NestJS + Nodemailer); Created reusable React email templates with responsive layouts and SSR; Built cross-browser support and documented the project using GitBook and Postman.

Sports Betting Operations & Risk Control Specialist at Saule IT Services

April 1, 2023 - November 1, 2024

Monitored and managed high-load live systems to ensure data stability and UX; Analyzed user behavior and transactions to detect anomalies and reduce financial risk; Collaborated with support and technical teams to resolve complex issues; Handled edge cases and critical incidents in real-time, improving system reliability; Prevented over €50,000 in potential losses through real-time monitoring and investigation of suspicious sports betting activity.