Anhelina Mahidava

Anhelina Mahidava

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Senior Full-Stack (Front-End Leaning) Engineer | React, TypeScript, Java/Spring | FinTech, AdTech & Other Industries
Wrocław, Województwo dolnośląskie, Poland

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Jobs verified_user 0% verified
  • Adhese
    Full Stack Engineer
    Adhese
    Mar 2025 - Current (1 year 3 months)
    Contributing to a high-performance ad delivery platform used by enterprise clients across Europe, building frontend and backend features across a React + NestJS + Java + GraphQL stack. - Expanded scope from Front End to full-stack within 3 months, delivering end-to-end features across React, NestJS, Java, and GraphQL: increasing personal output by 2× - Shipped 5 production features in the first month, delivering first PR to production within 3 days of onboarding - Built scalable campaign management modules with responsive UI, contributing to platform stability serving enterprise clients across Europe - Facilitated sprint execution for a 6-person team, improving sprint velocity by ~15% through structured task coordination and proactive bloc
  • Adhese
    Frontend Engineer
    Adhese
    Jan 2025 - Mar 2025 (3 months)
    Joined as a frontend engineer on an enterprise-grade AdTech platform, quickly adapting to an unfamiliar tech stack and delivering production-ready code. - Rapidly adapted to new tech stack (GraphQL, NestJS) and delivered first production PR within 3 days, shipping 5+ features in first month - Built accessible, responsive UI components using React and Tailwind CSS for a platform used by customers across Europe - Collaborated with backend and product teams to integrate advanced ad targeting features into the frontend architecture
  • Synder
    Front End Lead
    Synder
    Jan 2021 - Jan 2025 (4 years 1 month)
    Led frontend development for Synder — a FinTech SaaS platform automating accounting workflows for e-commerce businesses, integrating with Stripe, PayPal, Shopify, QuickBooks, and Xero. - Owned ~90% of the frontend codebase, architecting and maintaining 300+ React components across multiple product modules (Accounting, Revenue Recognition, Business Insights, Daily Sync) - Reduced page load time by ~50% (4-5s → 2-2.5s) through bundle optimization, code splitting, and lazy loading — directly improving user experience for thousands of daily users - Cut build time by ~60% (8 min → 3 min) via Webpack configuration optimization, accelerating team delivery velocity and enabling faster iteration cycles - Achieved 99.5% frontend uptime and <1% produ
  • Академия BELHARD
    Teacher of the course "Modern Front-End using JavaScript and HTML5"
    Академия BELHARD
    Sep 2019 - Apr 2020 (8 months)
    Designed and delivered a comprehensive front-end development curriculum at one of Belarus's top IT education providers, teaching students from scratch to production-ready code. - Developed full course curriculum covering React, JavaScript, and HTML5: structuring learning path from fundamentals to real-world project delivery - Guided students through hands-on development projects, helping them build production-ready applications from scratch - Created practical exercises and assessments that translated complex technical concepts into actionable learning outcomes - Collaborated with academy leadership to align course content with industry demand and employer expectations
  • Synder
    Senior Front-End Developer
    Synder
    Jun 2018 - Jan 2021 (2 years 8 months)
    Started as a frontend developer building core features for multiple CloudBusiness products (Flowless, Donor CRM, MailBuilder), growing from foundational contributor to key technical owner. - Delivered end-to-end features for Flowless (no-code workflow builder) and Donor CRM (tax-compliant receipts tool), building reusable React components and maintainable architecture that scaled with product growth - Built the complete UI for Flowless drag-and-drop workflow builder using React and styled-components — the core product feature that won 2018 QuickBooks Hackathon and reached AppShowDown finals - Developed the receipts module UI for Donor CRM, creating user-friendly interfaces that handled complex tax compliance logic (US/Canada regulations) w
  • Sunmait Technologies Ltd
    Front-end intern
    Sunmait Technologies Ltd
    Nov 2017 - May 2018 (7 months)
    First professional development experience — built a full-stack blog application from scratch as part of a structured internship program. - Developed client and server parts of a blog application independently, working with React on frontend and Node.js on backend - Learned and applied production-ready development practices: version control, code review workflows, and project structure - Delivered working application end-to-end, demonstrating ability to own tasks and deliver results from day one
  • Itransition Group
    Front-End Intern
    Itransition Group
    Jan 2017 - Mar 2017 (3 months)
    Completed an intensive 3-month programming trainee program focused on foundational web development skills. - Learned core web development fundamentals: HTML, CSS, JavaScript basics, React and version control with Git - Completed structured training tasks and assessments covering front-end development fundamentals - Built first practical projects applying learned skills in a professional environment
  • Belarusian State University of Informatics and Radioelectronics
    Admissions officer at BSUIR
    Belarusian State University of Informatics and Radioelectronics
    Jun 2016 - Aug 2016 (3 months)
  • Belarusian State University of Informatics and Radioelectronics
    Admissions officer at BSUIR
    Belarusian State University of Informatics and Radioelectronics
    Jun 2016 - Aug 2016 (3 months)
Education verified_user 0% verified
  • Belarusian State University of Informatics and Radioelectronics
    Bachelor's degree, Automated information processing systems
    Belarusian State University of Informatics and Radioelectronics
    Jan 2015 - Dec 2019 (5 years)
  • I
    Modern Front-End using JavaScript and HTML5. Professional level
    IT Academy BelHard
Projects (professional or personal) verified_user 0% verified
  • S
    Synder
    Apr 2020 - Current (6 years 2 months)
    Receive credit card payments online and automatically record transactions from Stripe and other online payment processors, as well as the most popular ecommerce platforms like Shopify, etc., in QuickBooks or Xero. Partial development of the client part of the application. Start page development. Work with WordPress to support the page Position: Front-end developer Developer of app's React part
  • D
    Donor CRM
    Aug 2019 - Current (6 years 10 months)
    Donor Receipts is the best solution to generate donor receipts based on QuickBooks Online data. Convert Invoices (even unpaid) and Journal Entries into Donor Receipts which are fully compliant with the tax regulations in your country. Available for the US and Canada. Position: Front-end developer Developer of app's React part
  • M
    MailBuilder
    Jan 2019 - Jul 2020 (1 year 7 months)
    It's a library with UI components, with which you can create simple to understand and useful application for creating e-mails. Position: Front-end junior developer Developer of app's React part
  • F
    Flowless
    Jun 2018 - Dec 2020 (2 years 7 months)
    2018 QuickBooks Small Business Hackathon Winner, 2018 Finalist QuickBooks AppShowDown. It is multiple app with 2 separate servers: Grails-part and React-part. Flowless helps Small Business Owners and Accountants to facilitate Business processes by creating required workflows without any additional IT skills or hired technical staff. User-friendly flow builder allows creating workflow within several clicks. Position: Front-end junior developer Developer of app's React part
Publications verified_user 0% verified
  • H
    How to “mock” window?
    Mar 2019