Dobroslav Radosavljevič
Senior Full-Stack Software Engineer · Prague, Czech Republic
business@dobroslavlabs.com· dobroslav.dev (opens in a new tab)· github.com/DobroslavRadosavljevic (opens in a new tab)· linkedin.com/in/dobroslav-radosavljevic (opens in a new tab)
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) · Self-employed
Sep 2022 - Present- • 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 · Homestake
Nov 2024 - Sep 2025- • 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 · Written Labs
Jun 2023 - Nov 2024- • 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 · Webscope.io (now Senvio)
Nov 2023 - Oct 2024- • 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 · FaceUp Technology
Sep 2022 - Mar 2023- • 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 · ICZ a.s.
Jan 2021 - Nov 2021- • Modernized an enterprise application to Angular; built CSS architecture and a design system; did code reviews and refactoring.
Software Engineer, Lead Frontend Developer · CertiCon a.s.
May 2020 - Dec 2020- • Led frontend development of a greenfield internal employee platform in Angular and Nx; defined architecture and mentored a developer.
Frontend Developer · MONET+
Feb 2019 - Apr 2020- • 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 (opens in a new tab): Import your content files as typed data
- bellona (opens in a new tab): Lint rules that tell AI agents how to fix code
- cabrakan (opens in a new tab): Turn any OpenAPI spec into an MCP server
- Selected client work: 5bet (opens in a new tab), GOCORE (opens in a new tab), Retriever (opens in a new tab), FaceUp (opens in a new tab), Switchio (opens in a new tab), Albert Gift Card (opens in a new tab), Stratos Auto (opens in a new tab)
Education
Secondary Industrial School Přerov