Valentyn

Full-Stack Developer | Python Engineer | API
& Database Expert Valentyn Nikolaiev
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 [open contact info](look above in the "contact info" section)
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STRENGTHS
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SUMMARY

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Skilled Python Backend Developer with expertise in building scalable, high- & Technical Strengths
performance web applications and APIs. Proficient in frameworks like Django, Full-Stack Expertise
Flask, and FastAPI, with a deep understanding of RESTful and GraphQL API API Development & Optimization
Database Optimization
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development. Strong background in database management PostgreSQL, MySQL,
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MongoDB and cloud services. Passionate about writing clean, efficient code, CI/CD & DevOps Integration
optimizing system performance, and implementing secure, well-architected Microservices & Cloud
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backend solutions. Adept at collaborating with cross-functional teams to deliver Computing
seamless, data-driven applications. Security Best Practices
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k Soft Skills
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EXPERIENCE Problem-Solving Mindset
Effective Communication
Senior Python Developer 12/2021 11/2024 Agile & Scrum Methodologies

Redian Software Georgia, United
States
Developed Python-based applications using Django and Flask, FastAPI
frameworks
SKILLS
Language
• Developed and maintained a wide range of web applications using
Typescript-based frameworks such as React.js and Next.js JavaScript ES6 , TypeScript,
• Developed and maintained scalable backend systems using Python, Python, Java, C#, PHP, SQL
Django, Flask, and FastAPI, ensuring high performance and security.
• Designed and optimized RESTful and GraphQL APIs, reducing response Front-end
times by 30% through caching and query optimization. React, Next.js, Vue.js, Flutter, HTML5,
• Managed database design and optimization for PostgreSQL, MySQL, CSS3, Bootstrap, D3.js, jQuery,
and MongoDB. SASS/SCSS, Tailwind CSS, Material
• Integrated cloud services (AWS, GCP, Azure) for serverless UI, Redux, GraphQL
computing, CI/CD pipelines.
• Enhanced system security with JWT authentication, OAuth2, and role- Back-end
based access controls RBAC , ensuring compliance with industry Django, Flask, FastAPI, Node.js,
standards. Express.js, Nest.js, Laravel, Spring
• Collaborated cross-functionally with frontend, DevOps, and data teams, Boot Java), ASP.NET C#), PHP
delivering robust, data-driven applications that support business (Laravel), RESTful API Design,
growth. GraphQL API Design, Web Socket

Full-Stack Developer (Python & 06/2019 11/2021 Databases
JavaScript, Typescript) PostgreSQL, MySQL, Redis,
MongoDB, SQLite, Firebase,
InfoNet Lisbon, Portugal
Elasticsearch, AWS RDS, Cloud
Role encompassed full software development lifecycle with a focus on Databases, Microsoft SQL Server
Python and front-end technologies
• Designed and developed full-stack web applications using Python
DevOps & Cloud
Django, FastAPI, Flask) and Node(Express.js, Nest.js) for the Docker, Jenkins, GitHub Actions,
backend and React.js, Next.js, and Vue.js for the frontend, improving Kubernetes, AWS EC2, S3, RDS,
user experience and system efficiency. Lambda, CloudFormation), Google
• Implemented server-side rendering SSR with Next.js, enhancing SEO Cloud Platform GCP , Microsoft
and reducing load times for high-traffic applications. Azure, CircleCI, Nginx
• Developed reusable UI components in React and Vue.js, improving
frontend development speed by 30% through modular architecture. Other Skills
• Integrated PostgreSQL, MongoDB, and Redis to optimize database CI/CD, Microservices, OAuth 2.0,
performance, reducing query execution time by 40%. JWT, Web Performance Optimization,
• Enhanced system security with JWT authentication, OAuth2, and Git
CORS policies, ensuring compliance with best practices.
• Collaborated closely with designers and product managers to build
responsive, dynamic UIs, leading to a 20% increase in user
engagement.
EDUCATION CERTIFICATION

Master’s degree, Computer and Information 09/2013 06/2018 Certified JavaScript Developer
Sciences and Support Service Course focused on practical
applications in frontend and backend
Hanoi University of Science and Technology Hanoi, Vietnam development, provided by Code
Academy.

INTERESTS

- Building Scalable Web Applications
- Web Development Trends
- AI and Machine Learning
- Open Source Contribution
- Tech Meetups & Conferences
- Gaming
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