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Dobroslav Radosavljevič

Dobroslav Radosavljevič

Senior Full-Stack Software Engineer

Summary

Senior full-stack software engineer with 9+ years of experience building web applications, SaaS platforms, APIs and developer tools in TypeScript. Covers the whole product: frontend architecture in React and Next.js, backend APIs in Node.js, Bun and Elysia, PostgreSQL data models, cloud deployment and CI/CD. Has led development teams, founded and shipped a SaaS product, and works daily with AI coding agents and LLM integrations.

Experience

Senior Full-Stack Software Engineer (Freelance)

Sep 2022 - Present

Self-employed, Remote

  • Design, build and ship full-stack TypeScript applications for startups, agencies and product teams: SaaS platforms, dashboards, internal tools and integrations.
  • Turn requirements into technical scope; own frontend architecture, backend APIs, data modeling, auth, billing and third-party integrations.
  • Stack: React, Next.js, TanStack, Bun, Elysia, Node.js, PostgreSQL, Drizzle ORM, Redis, Tailwind CSS, shadcn/ui, Docker, Vercel, Cloudflare, AWS, Sentry, PostHog.
  • Project domains: AI content generation, compliance, payments, iGaming, media monitoring, automotive, esports and analytics.

Development Team Lead

Nov 2024 - Sep 2025

Homestake, Remote

  • Led development of iGaming web products: online casino, sports betting, esports media and casino games.
  • Coordinated frontend, backend, QA, releases and delivery priorities; translated business requirements into engineering scope.
  • Reviewed code and implementation quality and made technical decisions balancing speed, reliability and maintainability.

Founder

Jun 2023 - Nov 2024

Written Labs, Czechia, Remote

  • Founded and built an AI content generation SaaS for SEO articles at scale, from zero to launch.
  • Built bulk AI generation, SERP and competitor analysis, a document editor and WordPress and Ghost publishing integrations.
  • Owned product strategy, UX, frontend, backend, infrastructure, pricing, positioning and go-to-market.

Full-Stack Engineer

Nov 2023 - Oct 2024

Webscope.io (now Senvio), Czechia, Remote

  • Built CMS-driven client web applications with Next.js (App Router, server actions, ISR), React, Strapi, Tailwind CSS and shadcn/ui.
  • Worked with React Query, Framer Motion, Storybook, Jest, React Testing Library, Docker, CI/CD pipelines and Vercel.

Full-Stack TypeScript Engineer

Sep 2022 - Mar 2023

FaceUp Technology, Czech Republic

  • Built features for a whistleblowing and compliance platform in a React and Vite monorepo (Turborepo).
  • Integrated GraphQL and Apollo with generated type-safe APIs; worked with Express.js, PostgreSQL, AWS Lambda, Docker and CI/CD.
  • Focused on secure, user-friendly reporting flows handling anonymity, confidentiality and access control.

Software Engineer

Jan 2021 - Nov 2021

ICZ a.s., Prague

  • Modernized an enterprise application to Angular; built CSS architecture and a design system; did code reviews and refactoring.

Software Engineer, Lead Frontend Developer

May 2020 - Dec 2020

CertiCon a.s., Prague

  • Led frontend development of a greenfield internal employee platform in Angular and Nx; defined architecture and mentored a developer.

Frontend Developer

Feb 2019 - Apr 2020

MONET+, Czech Republic

  • Built Angular applications for payment, administration and customer-facing systems, for clients such as Albert and DPMB (Brno Transport Company).
  • Modernized older Angular codebases and consolidated several apps into one administrative platform.

Skills

Languages:
TypeScript, JavaScript, HTML, CSS, SQL
Frontend:
React, Next.js, TanStack (Router, Query, Form, Table, Start), Angular, Vite, Tailwind CSS, shadcn/ui, Base UI, Motion, Storybook
Backend:
Node.js, Bun, Elysia, Express.js, REST APIs, GraphQL, Apollo, oRPC, Better Auth, Effect, Zod, BullMQ, Trigger.dev
Databases:
PostgreSQL, Drizzle ORM, Redis, ClickHouse, Strapi, Directus
Cloud and DevOps:
Docker, Vercel, Cloudflare Workers, AWS (S3, Lambda), Railway, Turborepo, CI/CD, Sentry, PostHog
Testing:
Vitest, Jest, React Testing Library, Playwright, Testcontainers
AI:
Vercel AI SDK, LLM integrations, AI agents, Model Context Protocol (MCP), Claude, OpenAI GPT, Gemini
Practices:
Technical leadership, code review, mentoring, frontend architecture, monorepos, remote collaboration

Projects

  • anhur: Import your content files as typed data
  • bellona: Lint rules that tell AI agents how to fix code
  • cabrakan: Turn any OpenAPI spec into an MCP server
  • Selected client work: 5bet, GOCORE, Retriever, FaceUp, Switchio, Albert Gift Card, Stratos Auto

Education

Secondary Industrial School Přerov

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