Богдан

Bohdan Phone
[open contact info](look above in the "contact info" section)

Mykhailo
Email
[open contact info](look above in the "contact info" section)

Location
Full Stack JS Developer Zhitomyr, Ukraine

Experience
Summary
April 2023 – Present Kyiv, Ukraine (Remote) | Coderfy
Senior Full-Stack Engineer & Tech Lead
with 8+ years of experience building web Tech Lead / Senior Full-Stack Engineer
and mobile applications. Specializes in Architect and build web and cross-platform mobile applications using React Native, React,
Node.js, React, Next.js, and React Next.js, Node.js (NestJS), and TypeScript.
Native. Proven track record in designing Design end-to-end system architectures from scratch, including database schemas,
scalable system architectures, optimizing microservices, and high-performance REST/WebSocket APIs.
high-load databases, and publishing Lead cross-platform mobile development using React Native (along with Flutter), focusing on
hybrid mobile apps to the App Store & smooth UI performance, state management, and native device integrations.
Google Play. Set up cloud infrastructure, containerization, and CI/CD pipelines using AWS, Docker,
Kubernetes, and Nginx.
Work closely with databases (PostgreSQL, MongoDB, MySQL), optimizing complex queries and

Education
structure for high-load systems.
Drive technical decision-making, break down complex business requirements into clear tasks,
review code, and mentor team members using Agile (Scrum/Kanban).
2016 – 2020 Integrate AI workflows (GitHub Copilot, Claude) to streamline prototyping, refactoring, and
Junior Bachelor’s Degree in code reviews.
Information Technology January 2021 – April 2023 Zhytomyr, Ukraine | 4k-soft
Zhytomyr Agrotechnical College
Full Stack Developer
Developed and maintained full-stack web applications using Node.js, JavaScript, and
Expertise SQL/NoSQL databases.
Designed and integrated RESTful APIs to connect front-end interfaces with back-end servers
Programming Languages and third-party services.
JavaScript (ES6+), TypeScript, SQL Built and optimized functional databases using SQL and ORMs, focusing on query speed and
Frontend Development data structure efficiency.
React, Next.js, Vue.js, Nuxt.js, Maintained existing infrastructure, debugged complex production issues, and refactored code
HTML5, CSS3 (Sass/SCSS), Three.js for better performance.
Backend Development Collaborated with product teams and engineering leads to plan new features, estimate
Node.js, NestJS, Express.js timelines, and evaluate system loads.
Mobile Development Mentored junior developers, held code reviews, and helped onboard new team members to
React Native, Flutter improve overall code quality.
Databases
PostgreSQL, MySQL, MongoDB June 2020 – October 2020 Zhytomyr, Ukraine | Dual Education Program
DevOps & Cloud
AWS (S3), Kubernetes, Firebase, Junior Back-End Developer
Nginx, Apache2 Developed basic server-side logic and REST API endpoints as part of a dual study-work
AI Tools initiative.
GitHub Copilot, Claude Assisted with database queries, bug fixing, and internal project technical documentation.
Tools & Methodologies Collaborated with senior engineers to learn architectural standards and code structure best
Git, GitLab, GitHub, WebSockets, practices.
RESTful API Design, Agile (Scrum /
Kanban) April 2018 – May 2020 Remote | NDA

Junior Front-End Developer
Built responsive, user-friendly web interfaces using HTML5, CSS3, JavaScript (ES6+), and
React.
Translated Figma/Photoshop design mockups into clean, functional front-end code.
Participated in pair programming sessions with senior developers and conducted regular bug
fixes.
Optimized page load speed and cross-browser compatibility across targeted devices.
Worked under strict NDA guidelines, ensuring data security and project confidentiality.