09/09/2026 updated

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Senior Software Engineer | Multi-Stack Architecture | AI-Augmented & Spec-Driven Development

Struga, Macedonia
Worldwide
Bachelor in Computer Science and Engineering
Struga, Macedonia
Worldwide
Bachelor in Computer Science and Engineering

Profile attachments

CV - Mahir Mersimoski.pdf

About me

Senior Software Engineer, 7 years shipping production systems across AdTech, FinTech, Healthcare, E-commerce, SaaS. Works across multiple stacks concurrently with AI-augmented, spec-driven development. Leads teams, owns architecture, and delivers end-to-end from concept to production.

Continuous IntegrationMessaging Application Programming InterfaceSoftware ArchitectureScaled Agile FrameworkSoftware EngineeringSolution ArchitectureSystems IntegrationModel-Driven ArchitectureFeature-Driven Development (FDD)Event-driven ArchitectureBackendFull Stack DevelopmentReact NativeFront End Software Development3-tier ArchitecturesRestful Api
Full-Stack & Multi-Stack Development
Expertise in building production-ready applications across frontend, backend, and mobile using React, Next.js, React Native, Node.js/Express, TypeScript, MongoDB, and MySQL. Delivery of complete solutions from architecture to deployment across AdTech, FinTech, Healthcare, E-commerce, and SaaS domains.

AI-Augmented & Spec-Driven Development
Application of AI-assisted workflows including Custom LLMs, Claude, Cursor, OpenAI, and Copilot to accelerate development velocity and deliver spec-driven, high-quality software at scale.

Software Architecture & Technical Leadership
Design of scalable software architectures and leadership of engineering teams, including technical interviews, code reviews, architectural planning, mentoring, and CI/CD pipeline management.

REST API Development
Design and implementation of RESTful APIs connecting frontend and mobile clients to backend services, supporting complex business logic and third-party integrations.

Payment Integration
Integration of payment solutions such as Stripe into web and mobile applications, enabling secure and reliable online transactions.

CI/CD & Deployments
Setup and management of continuous integration and continuous deployment pipelines to ensure reliable and automated software delivery.

UI/UX Implementation
Development of user-friendly interfaces and dynamic web platforms, including use of Elementor, custom dynamic content fields, animations, and live product tables.

Mobile App Development
Building and maintaining cross-platform mobile applications using React Native for domains including finance, banking management, and car rental services.

Database Management
Working with both NoSQL (MongoDB) and relational (MySQL) databases to design and manage data storage solutions for production systems.

Experience

Professional experience5 - 10 years
Freelancer since2019

Languages

EnglishFluentAlbanianNative speakerBosnianGood

Project history

Senior Software Engineer

Kevel
Leading development of a cross-platform social media management platform used by enterprise clients, designing frontend architecture and improving development velocity through AI-assisted workflows. Remote engagement.

Senior Software Engineer

Imbalance
Delivering spec-driven, AI-powered frontend web applications for anonymous employee wellbeing surveys, giving managers visibility into workplace health trends. Remote engagement.

Full Stack Engineer (Part-Time)

Jolzt
Built a full-stack React Native mobile app and web app for car rental bookings, with Node.js/Express backend, MongoDB, driving-license verification, and Stripe payments. Remote engagement.

Software Engineer & Architect

CatoriTech
Architected and developed high-end web platforms and mobile applications for clients across South America and Europe. Led a team of 5 frontend engineers, conducting technical interviews, code reviews, architectural planning, and mentoring. Remote engagement.

Full Stack Mobile Engineer (Part-Time)

Crawl Tech
Built and maintained React Native apps for finance and banking management, with backend development in Node.js. Remote engagement.

Software Engineer & Team Lead

Ultrasoft
Developed an automated marketing platform with email keyword recognition and AI-driven ad generation based on client interests. Reviewed code and managed git workflow for interns and junior engineers. Remote engagement.

Software Engineer

Digicube
Developed dynamic web platforms using Elementor and custom dynamic content fields. Built a React showroom/video-chat project with live product tables and animations for client conferencing. Remote engagement.

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