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Senior Full-Stack Developer | 10+ YOE | Scalable SaaS, Fintech & Marketplace Builds
I'm a senior full-stack developer with over 10 years of experience building scalable web applications and distributed systems for high-growth product teams. I've worked with clients across fintech, SaaS, marketplaces, and digital media - delivering robust back-end services, intuitive front-end interfaces, and reliable infrastructure at scale. Core strengths: - Full-stack development (Node.js, React, PHP, MySQL, Java, Bash) - Live streaming systems (Wowza, custom DRM, usage tracking) - Distributed system architecture with Zabbix & Terraform - Cross-platform app development (iOS/Android) - Cloud-native deployments (AWS, Azure) I partner best with companies looking for: - Agile support without long hiring cycles - Scalable MVP-to-production delivery - Technical leadership on long-term builds Let’s connect if you're building something and want to move fast - without compromising quality.
FER
Postgraduate Degree, Computer and Information Systems Security/Information Assurance
November 1, 2021 – May 1, 2023
FER
Master of Engineering - MEng, Computer Software Engineering
July 1, 2017 – July 1, 2021
FER
Bachelor of Engineering - BE, Computer Software Engineering
October 1, 2013 – July 1, 2017
Perpetuum IT
Founder
April 1, 2022 – Present
Remote
Stealth Startup
Founder
November 1, 2017 – February 1, 2022
Zagreb, Croatia · Remote
Novus Via
Web Developer
December 1, 2016 – February 1, 2017
Zagreb, Croatia · Remote
Sedam IT
Mobile Application Developer
August 1, 2015 – August 1, 2016
Croatia · Remote
Teramind
June 1, 2026 – Present
• Scaled Teramind’s insider threat detection and productivity monitoring platform, supporting enterprise-wide behavioral analytics and security insights for large organizations. • Designed and developed full-stack architecture using GraphQL, Node.js, TypeScript, React.js, and Postgres, following modular monolith and microservices patterns aligned with security and compliance needs. • Built and optimized AWS cloud infrastructure (Lambda, EC2, Aurora, Terraform) to achieve 99.9% uptime while efficiently processing high volumes of endpoint activity data. • Automated infrastructure provisioning and CI/CD pipelines with Terraform, reducing deployment time by 40% and minimizing errors in security feature releases. • Delivered real-time and historical dashboards in React.js with GraphQL APIs; integrated multiple services for alerts, notifications, and data enrichment. • Enhanced platform performance through query optimization, caching, and AI integration for advanced anomaly detection and risk scoring. • Implemented comprehensive monitoring, logging, and alerting systems to proactively identify bottlenecks and security risks. • Mentored junior developers, introduced coding standards, and improved team processes, accelerating feature delivery for new monitoring capabilities.
TreatCoin
April 1, 2022 – December 1, 2025
• Scaled TreatCoin affiliate platform to 150,000+ users within 2 years, driving strong monthly engagement. • Designed full-stack architecture with modular monolith & microservice patterns, aligned with business goals. • Built AWS infrastructure (Lambda, EC2, Aurora, Terraform) achieving 99.9% uptime & 10k+ requests/min capacity. • Automated cloud provisioning with Terraform, cutting deployment time by 40% and reducing deployment errors. • Delivered dashboards in React.js, Node.js & MySQL; integrated 7+ APIs (SendGrid, Twilio, Telegram, etc.) for payments & notifications. • Optimised SEO via Next.js pre-rendering & caching, boosting organic traffic 30% in 6 months. • Introduced coding standards & CI/CD, reducing bugs 30% while mentoring junior engineers. • Onboarded 10 developers through structured training & reviews, improving feature delivery speed by 25%. • Implemented monitoring & logging, resolving bottlenecks & security risks before escalation.
Cultural Fit Analysis
The candidate's diverse project portfolio, ranging from insider threat detection (Teramind) to affiliate platforms (TreatCoin) and live streaming, indicates adaptability and a broad interest in various technical domains. Their founder roles suggest an entrepreneurial mindset, which can be a strong cultural fit for organizations valuing innovation and initiative. The postgraduate degree in Cybersecurity directly aligns with the target role, showing a dedicated career path. The breadth of technologies used (Node.js, React, Java, PHP, AWS, Terraform) demonstrates a willingness to learn and apply different tools.
Soft Skills & Operational Fit
The candidate's project descriptions highlight strong leadership, mentorship, and process improvement skills, indicating a proactive approach to team development and operational efficiency. Experience as a founder suggests strong problem-solving, strategic thinking, and independent execution capabilities. The focus on uptime, performance optimization, and security in projects demonstrates a commitment to robust and reliable systems.