Case studies

Every engagement balances velocity, craft, and measurable impact

Explore the builds that shaped growth for founders, product orgs, and scale-ups alike—covering greenfield launches, platform rewrites, and iterative optimisation.

End-to-end delivery

Partner with founding teams and scale-ups alike, from discovery through observability-driven releases.

Architecture with headroom

Systems balance performance and maintainability so teams iterate quickly without compromising resilience.

Crafted experiences

Accessibility, performance budgets, and thoughtful visuals stay front-and-centre on every build.

Total launches

14

End-to-end builds and platform refactors shipped with measurable outcomes.

Featured engagements

4

Flagship partnerships that led to long-term collaboration and growth.

Stack breadth

22

Unique tools and technologies incorporated across the work.

Timeline

2018 - 2025

Years of consistently delivering resilient web experiences.

Xplor - Brandbot Project
Featured

Xplor - Brandbot

Jan 2025 - Present

Xplor Growth unifies marketing automation, forms, and feedback for fitness brands. As team lead I aligned Vue, Laravel, and TypeScript teams to launch multi-channel campaigns, embedded forms, and AWS serverless feedback loops backed by strong testing and observability.

Tech Stack
React.js
Next.js
TypeScript
+13
Zizoo / Borrow a boat Project
Featured

Zizoo / Borrow a boat

Jan 2023 - Jan 2024

Zizoo connects boat and yacht owners with people looking to rent or charter boats for vacations, events, or recreational activities. My responsibilities included implementing new features, integrating end-to-end tests, and building a CMS platform for various campaigns and events. Technologies used include React, NextJS, Tailwind, Cypress, Twilio, New Relic, Auth0, SendGrid, i18n, Strapi, and AWS.

Tech Stack
React.js
Next.js
TypeScript
+14
Roomrs Project
Featured

Roomrs

Jul 2022 - May 2023

Roomrs is a curated co-living concept offering affordable, furnished apartments with flexible leases in NYC. My responsibilities included full stack development of new features and deploying multiple applications to AWS. Technologies used include JavaScript, ReactJS, Docker, PostgreSQL, Node.js, NextJS, Strapi, TypeScript, AWS, and Zoho.

Tech Stack
React.js
Next.js
TypeScript
+14
Resume.io - Enterprise Project
Featured

Resume.io - Enterprise

Nov 2024 - Jun 2025

Modernized Resume.io’s enterprise client portal with a React 19 + Vite + Tailwind stack, delivering role-aware navigation, analytics dashboards, member tooling, and email-log auditing. Led frontend rewrite, integrated Shadcn/Radix design system, and optimized data flows with TanStack Router/Query and CSV exports for customer success teams.

Tech Stack
React.js
TypeScript
Tailwind CSS
+10
Tuula Project

Tuula

May 2024 - Jul 2024

Tuula Report Generator streamlines clinical reporting with AI-assisted transcription, structured job dashboards, and collaborative report editing. Built with Next.js, TypeScript, Flask services, and AWS AI, it keeps teams productive even offline thanks to a full mock API layer.

Tech Stack
React.js
Next.js
TypeScript
+10
One Electro Project

One Electro

Jan 2024 - Mar 2024

One Electro is an advanced dashboard designed to streamline task management for employees working on boats while providing customers with real-time updates on their boat's status and progress.

Tech Stack
React.js
Next.js
TypeScript
+9
My Weekly Schedule Project

My Weekly Schedule

Feb 2024 - Jun 2023

My Weekly Schedule is designed to help fitness trainers manage their schedules through a single app, seamlessly connecting their accounts from various platforms. My responsibilities included full stack development. Technologies used include React, NestJS, TypeScript, Tailwind, Nx, Redis, Cron, Cypress, Jest, PostgreSQL, Google APIs, and Swagger.

Tech Stack
React.js
TypeScript
Tailwind CSS
+12
Audio Wolf Project

Audio Wolf

Apr 2022 - Jun 2023

Audiowolf is an AI-driven platform that tracks and analyzes music trends in advertising, providing extensive data analysis capabilities for trends in advertisements and brands.

Tech Stack
TypeScript
JavaScript
HTML
+10
Leav Project

Leav

Jan 2024 - Feb 2024

Leav is a web scraping application designed to automate the downloading of flight reports and deliver them to verified customers. My responsibilities included scraper implementation. Technologies used include Node.js, Redis, PostgreSQL, NestJS, TypeScript, Puppeteer, Cron Jobs, and Swagger.

Tech Stack
TypeScript
JavaScript
Node.js
+7
Bloop Project

Bloop

Apr 2022 - Jun 2023

Bloop is a mobile application that uses NFC technology to allow users to share their social media handles and contact info effortlessly.

Tech Stack
React.js
TypeScript
JavaScript
+7
Adnevios Project

Adnevios

Mar 2019 - Apr 2021

Adnevios is an e-learning platform associated with Advancis, offering comprehensive training and learning resources for Advancis' PSIM solutions.

Tech Stack
React.js
TypeScript
Tailwind CSS
+13
Isover Project

Isover

Nov 2021 - Mar 2022

The Isover application for Saint-Gobain is a centralized platform providing information about ISOVER roof systems, including product details, documentation, and installation guides. My responsibilities included resolving critical issues, rewriting the backend to meet the latest standards, and upgrading the Angular application to ensure optimal performance. Technologies used include TypeScript, Node.js, Websockets, MongoDB, Mongoose, Okta, Express.js, Angular, Charts, and Crypto.

Tech Stack
React.js
TypeScript
JavaScript
+9
Scouts Project

Scouts

Jul 2023 - Sep 2023

This application is designed for scouts, community members, and anyone interested in non-formal education in BiH and the region. It promotes scouting and empowers youth to use modern technologies safely. The app features an event calendar, infrastructure information, a member database, Scout literature, team-building games, and membership applications. Technologies used include React, React Native, TypeScript, WordPress API, and Firebase.

Tech Stack
React.js
TypeScript
JavaScript
+3
Eko Kultura Fan Project

Eko Kultura Fan

May 2023 - Jul 2023

Eko Kulturan Fan is a website for selling products made from recycled leather. It is a full-stack application with an integrated CMS. Technologies used include Next.js, Sanity, TypeScript, Nodemailer, Google APIs, Tailwind CSS, and React.

Tech Stack
React.js
Next.js
TypeScript
+10
Let’s collaborate

Ready to ship your next resilient, product-focused experience

Whether you need a hands-on lead for a critical release or a trusted partner to iterate alongside your team, I bring pragmatic execution, clear comms, and a bias for measurable outcomes.

Years building products

8+

Partnering with founders and product teams from MVP to scale.

Average response time

<24h

Expect a thoughtful reply with next steps within one business day.

Collaboration window

CET ±2

Flexible scheduling for global teams with overlap across US/EU.

Primary contact

  • Primary email: [email protected]
  • Based in: Sarajevo, Bosnia & Herzegovina • Remote-friendly
  • Availability: Open to fractional leadership & long-term partnerships

Start the conversation

Tell me about your project

Share the context you have so far—problem statement, timing, team size, or anything else. I’ll review and follow up with next steps within one business day.

What you can expect next:

  • Quick acknowledgement so you know I received your message.
  • A follow-up with clarifying questions or a suggested next step.
  • Optionally, a 30-minute discovery call to align on scope.

© 2025 Haris Bešlić. All rights reserved.

Built with Next.js, TypeScript, and a relentless focus on polish and performance.