I’m Marko Mašanović, a senior full-stack software developer from Podgorica, Montenegro, with 6+ years of experience building and deploying web applications and cross-platform mobile apps. I center my work around TypeScript—designing robust APIs, integrating authentication, and setting up dependable infrastructure as code so deployments are repeatable and smooth. I enjoy going deep when something breaks: I investigate root causes, fix issues properly, and—when appropriate—prepare open-source PRs. Alongside my professional work, I like exploring systems-level programming in Rust and Zig, and I actively aim to improve developer and co-worker experience by creating clean code, better workflows, and thoughtful tooling.…

Marko Mašanović

I’m Marko Mašanović, a senior full-stack software developer from Podgorica, Montenegro, with 6+ years of experience building and deploying web applications and cross-platform mobile apps. I center my work around TypeScript—designing robust APIs, integrating authentication, and setting up dependable infrastructure as code so deployments are repeatable and smooth. I enjoy going deep when something breaks: I investigate root causes, fix issues properly, and—when appropriate—prepare open-source PRs. Alongside my professional work, I like exploring systems-level programming in Rust and Zig, and I actively aim to improve developer and co-worker experience by creating clean code, better workflows, and thoughtful tooling.…

Available to hire

I’m Marko Mašanović, a senior full-stack software developer from Podgorica, Montenegro, with 6+ years of experience building and deploying web applications and cross-platform mobile apps. I center my work around TypeScript—designing robust APIs, integrating authentication, and setting up dependable infrastructure as code so deployments are repeatable and smooth.

I enjoy going deep when something breaks: I investigate root causes, fix issues properly, and—when appropriate—prepare open-source PRs. Alongside my professional work, I like exploring systems-level programming in Rust and Zig, and I actively aim to improve developer and co-worker experience by creating clean code, better workflows, and thoughtful tooling.

See more

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
See more

Work Experience

Freelance full stack developer
August 1, 2025 - January 1, 2026
Helped implement newly planned features, cleaned up and modernized legacy code where possible, and contributed to design/graphical overhead. Implemented an admin ticketing system integrated with ClickUp Knowledge Base, including messaging with stack traces and error details, plus response and categorization workflows.
Lead developer at Unnamed AI Startup
April 1, 2025 - November 1, 2025
Used Rust to set up the development environment and deploy multiple projects on Cloudflare Workers and Vercel. Built a custom AI harness using Effect that can accept any AI model and connect it with the team’s custom tools and services. Implemented an API with Hono and an auth service based on OpenID, including a custom password flow and 2FA. Added crypto payments (and PayPal) for token usage, enabling a blockchain-based token payment flow.
Perp-er Lead (Blockchain) developer at Perp-er
September 1, 2020 - Present
Built a custom TypeScript backend framework. Implemented settlement onto Plume Network. Developed an Expo app using Expo Updates and published it for both Android and iOS. Added biometric authentication. Implemented multi-step KYC and liveness detection across both the mobile app and backend, and built an AI chat experience backed by a custom knowledge base.

Education

Add your educational history here.

Qualifications

Industry Experience

Software & Internet, Financial Services, Computers & Electronics