Software Engineer (Go/JS) · AI Integrations · UI/UX · Tallinn 🇪🇪

I'm actively looking for freelance and contract opportunities.
Backend, frontend, or full-stack — I bring both engineering and design thinking.

📩 dianaart1997@gmail.com
💼 linkedin.com/in/diana-smirnova97

Backend Development (Go) — RESTful APIs with Golang, Gin, Gorilla Web Toolkit. Go templates, enterprise platform development, internal tooling & business automation.

Frontend Development — React, TypeScript, JavaScript, Webpack, WebAssembly. I build both the design and the code.

Databases & SQL — PostgreSQL, MySQL, MongoDB, MariaDB. Error handling in SQL, performance optimization, data normalization (1NF / 2NF / 3NF).

UI/UX Design — Figma, user research, wireframes, prototypes, design systems. Background in product design for gaming, fintech, and enterprise platforms.

AI Integration — building AI-powered workflows and interfaces. Prompt engineering, LLM APIs, generative AI tooling.

Software Engineer · ERPLY (Jul 2022 – Present · Tallinn)

Full-time engineer on enterprise retail and government platforms. Key projects:

• Elektrilevi — electricity invoice management & billing platform (Go/JS, government)
• Audit Log — user activity & event monitoring system with S3, Parquet, Fluentd, Kibana
• Ground Control — remote payment terminal management & POS integration platform
• Promotion — discount & campaign management platform
• Stocktaking App — mobile inventory management with barcode scanning & cycle counting
• Employee & User Management — account permissions, authentication, activity tracking
• Tax Reporting — financial reporting and invoice data management
• Auth & Access Management — login systems, user verification, secure enterprise access

Product Design Engineer · Reinvent Baltics (2020)
UX for gaming & betting platforms — Betmaster, Casinoin. Payment system flows, deposit/withdrawal UX, advertising banners.

Game UI/UX Designer · Beilsma OÜ (2021)
Game features, UI design, mockups and prototypes in Figma, Photoshop, Illustrator.

UI/UX Designer · SocialMedia.Market (2019–2020)
Interfaces for web services and mobile apps, prototyping, user research.

UI/UX Designer · MindGrain Studio (2018–2019 · Kyiv)
Mobile & social game art, branding, UI layouts, illustrations.

• AI for Business and Work · HillelITSchool (Jul 2026)
• Java · HillelITSchool (May 2024)
• Front-end Pro (JavaScript + React) · HillelITSchool (May 2023)
• C# · IT ProLab OÜ (May 2022)
• Pharmacy · Oles Honchar Dnipro National University (2014–2019)