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ALEKSANDR B.
Created AtUpstaffer since April, 2026
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ALEKSANDR B. — Sr Full Stack Developer

Expertise in Full Stack Web (8.5 yr.), Back-End Web (8.5 yr.).

 Last verified on April, 2026

Core Skills

Bio Summary

  • Sr Full-Stack Developer and Tech Lead with 9+ years of experience specializing in Node.js, Nest.js, Vue.js, GraphQL, and microservices architecture.
  • Proven expertise in designing scalable backend systems, optimizing performances, and integrating complex third-party AI and invoice processing services.
  • Led development of dynamic web platforms featuring drag-and-drop UI builders and CI/CD pipelines, enhancing team productivity and deployment efficiency.
  • Strong command of modern front-end frameworks (Vue.js Options/Composition API, Nuxt.js) and backend ORM tools (Prisma, TypeORM, Sequelize) with robust testing and automation practices. Experienced in cross-functional team leadership.

Technical Skills

Programming Languages ActionScript, JavaScript, TypeScript
Mobile Frameworks and Libraries Crashlytics
JavaScript Libraries and Tools Gulp-Less, Pinia, Pm2, Quasar, Vite, Vuex, Webpack
JavaScript Frameworks NestJS, Node.js, Nuxt, Vue.js
Databases & Management Systems / ORM MariaDB, MongoDB, MySQL, PostgreSQL, Prisma, Redis, Sequelize, Typeorm
UI Frameworks, Libraries, and Browsers Bootstrap 4, BULMA, CSS3, HTML5, Material UI, Primefaces, SASS/SCSS, Tailwind CSS
Collaboration, Task & Issue Tracking Asana, Atlassian Trello, Jira, Miro, Notion
Methodologies, Paradigms and Patterns BEM, microservices
Platforms Bitrix
Deployment, CI/CD & Administration CI/CD
Third Party Tools / IDEs / SDK / Services ClickUp
SDK / API and Integrations Collections API, GraphQL, Insomnia, RESTful API, Swagger
Virtualization, Containers and Orchestration Docker
Version Control Git
QA, Test Automation, Security Jest, Postman
Message/Queue/Task Brokers RabbitMQ
Scripting and Command Line Interfaces YAML
Other Technical Skills Jade

Work Experience

Tech Lead & Senior Full-Stack Developer - NDA (Major Project with Node.js, Vue.js, Nest.js and Microservices)

Duration: 12/2023 - Present

Summary:

  • Lead the development of a major project focusing on Nodejs, Vuejs, Nestjs, and microservices, ensuring a robust architecture and efficient implementation. The project emphasizes scalability and maintainability through microservices architecture.

Responsibilities:

  • Led architecture and development using Nest.js and microservices.
  • Managed the key project and supported multiple concurrent projects.
  • Coordinated with cross-functional teams to align requirements and deliver solutions.
  • Enforced best practices and coding standards to improve team efficiency and code quality.

Technologies: Node.js, Vue.js, Nest.js, Microservices

Team Lead & Senior Full-Stack Developer - NDA (Web Page Builder Application)

Duration: 01/2020 - 12/2023

Summary:

  • Designed and developed a comprehensive web page builder application for both front-end and back-end users, utilizing modern technologies to create efficient and dynamic applications
  • The project aimed to provide users with an intuitive platform for building web pages with drag-and-drop functionality and template libraries

Responsibilities:

  • Led a team of developers to deliver high-quality projects on time.
  • Implemented Vue.js (Options API/Composition API), Nest.js, and GraphQL technologies.
  • Set up CI/CD pipelines and automated testing frameworks to enhance team collaboration.
  • Optimized system performance to reduce load times and increase responsiveness.

Technologies: Vue.js (Options API/Composition API), Nest.js, GraphQL, CI/CD, Automated Testing

Software Developer - NDA (Full-Stack Application Development)

Duration: 02/2017 - 01/2020

Summary:

  • Developed full-stack applications integrating dynamic front-end components with scalable back-end APIs
  • Focused on improving application reliability and user experience through responsive design and seamless integration

Responsibilities:

  • Developed front-end and back-end functionalities ensuring seamless integration.
  • Implemented automated testing to reduce bugs by 20%.
  • Designed responsive user interfaces with modern frameworks.
  • Implemented RESTful APIs and integrated third-party services.

Technologies: JavaScript, RESTful APIs, Automated Testing, Front-End Frameworks

Front End Developer - NDA (Web Application Development)

Duration: 03/2015 - 11/2016

Summary: Developed responsive and interactive web interfaces using front-end technologies to optimize website performance and user experience across multiple devices.

Responsibilities:

  • Created responsive web interfaces using HTML5, CSS3, and JavaScript.
  • Optimized website performance for better user experience.
  • Collaborated with UI/UX designers to implement designs.
  • Conducted testing, debugging, and performance optimization.
  • Used Git for version control.

Technologies: HTML5, CSS3, JavaScript, Git

Contributor (AI Tools Platform Integration)

Summary: Contributed to the development of a platform providing users access to over 15 paid AI services via a unified interface, enhancing accessibility and usability for diverse AI applications.

Responsibilities:

  • Integrated multiple AI services ensuring seamless functionality.
  • Optimized user experience for effortless interaction with AI tools.

Contributor (Fast-Docs Invoice Processing System)

Summary: Participated in developing a platform that automates invoice processing from emails and uploaded files, creating standardized PDF invoices and improving workflow efficiency across departments.

Responsibilities:

  • Developed system to process invoice-related emails and files.
  • Implemented caching with Redis to optimize data retrieval and reduce database load.
  • Enabled multi-department access to processed data.

Technologies: Redis

Developer (PreLanding Redaktor Platform for Creating Landing Pages)

Summary: Designed and developed a dynamic platform for creating landing pages with drag-and-drop widget functionality and a library of pre-designed templates, supporting project export and module integration for flexible deployment.

Responsibilities:

  • Built architecture and implemented key features for front-end and back-end.
  • Ensured seamless integration between components.
  • Developed drag-and-drop functionality and template library.

How to hire with Upstaff

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Talk to Our Talent Expert

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2

Meet Carefully Matched Talents

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3

Validate Your Choice

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Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

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Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

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Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

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Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

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Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

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Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

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No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

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One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

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