I transform businesses, and use tech as my no.1 tool to do so.
Fullstack AI Engineer who builds, optimizes, and scales systems that people love to use - while making money, saving money, and saving time.
$21K+ MRR increase
through AI implementation
Cut startup costs by 34%
in my first 30 days
Lowered time to market by 50%
by optimizing internal processes
Hi, I'm Strahinja
Impact worth mentioning
Clear ($520K+) ROI
Implemented tech and business strategies that helped founders earn over $520K in the last year
Speed ↑ Costs ↓
Restructured code and made it able to serve 200k+ users, while lowering costs by 78%
Saving energy & time
Made team work faster/more efficient through interal AI tools and systems - saving time and energy
Making tech accessible
Held free Coding/AI workshops for 35 people, and helped 8 of them land their first jobs
Why me?
- 1
Business strategy 1st, tech 2nd
I make decisions based on the current and long-term business goals, and only then use tech to achieve them. Right strategy breeds happy customers. Wrong one - bloated and over-engineered systems that nobody wants to use.
Spotted hidden feature potential, worked with the marketing team to develop personalized AI email campaign (based on the user's previous interactions), and brought back over 950 churned users. - 2
Showing you solutions, not problems
You are aware of the problems. You don't need confirmation, you need them gone. With ownership, long-term vision and deep understanding of the industry, I spot, prevent and present solutions for potential/existing blockers.
Knowing our customers' needs, I knew feature we added would be a hit, so I advised to test conversions with a smaller group and prepare the system for load accordingly. We were ready to welcome 42,000+ new signups - rather than losing them for good. - 3
Tech is not a job for me - it's a passion
When you love football, you celebrate every scored goal. That's what I do with tech, since I was 12. I don't take on projects unless I am certain you can get a clear return on investment - my work, which I measure in impact, not lines of code.
I've made it my mission to change people's lives and make impact through what I do. Over the past year I helped companies bring in $520K+, increase LTV, reduce churn by 15%, cut $38k in costs, and worked with teams on strategies that brought over 100K users across projects - all while making team work more efficient.
What am I good at?
Scalable System Architecture
- Robust Cloud-based systems that scale and keep costs minimal with near-zero downtime
- Robust and performant database design
- Modular and clean code that is easy to maintain and scale
Built a system that handles 1M+ daily requests and scales automatically, decreasing costs by 83%
Complex AI Integrations & Optimizations
- Safe, tested and optimized AI Agents and workflows
- Minimizing costs and improving performance via prompt engineering, choosing the right LLM, advanced RAG, web scraping, etc
- Owning the pipeline - from data ingestion to deployment & observability
Deployed multi-agent (with Rag and Human in the loop) system that increased MRR by $21k, and brought 18% increase in accuracy.
Performant API & App Development
- Creating lightning-fast applications with optimized backend systems
Achieved 50ms average response time for critical API endpoints
Strategic Business Growth
- Leveraging technology to drive business growth and efficiency
Implemented systems that increased revenue by 40% in Q1
Team Leadership & Technical Strategy
- Leading teams and setting technical direction for sustainable growth
Led a team of 8 engineers to deliver 3 major projects ahead of schedule
Team Leadership & Technical Strategy
- Leading teams and setting technical direction for sustainable growth
Led a team of 8 engineers to deliver 3 major projects ahead of schedule
Case Studies
How I Reduced Cloud Costs by 78%
A deep dive into optimizing infrastructure and implementing efficient scaling strategies that dramatically reduced operational costs while maintaining performance.
Scaling to 1M+ Daily Requests
The journey of transforming a struggling application into a high-performance system capable of handling massive traffic with 99.9% uptime.
AI Integration That Cut Response Time by 60%
How we revolutionized customer support by implementing AI-powered solutions that dramatically improved response times and customer satisfaction.
Skills
Fullstack Development
Backend & Performance
AI Integration
Real-time Systems
Cloud & DevOps
API & Architecture
Projects
AI-Powered Code Assistant
An intelligent code assistant that helps developers write better code using LLMs and advanced code analysis.
Real-time Analytics Dashboard
A real-time analytics platform that processes and visualizes streaming data from multiple sources.
Cloud-Native Microservices
A scalable microservices architecture deployed on Kubernetes with automated CI/CD pipelines.
About me
Chapter 1: The Beginning
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What do others say?
“
Strahinja transformed our development process. His AI integration cut our response time by 60% while maintaining quality.
Sarah Chen
CTO @ TechFlow
“
The infrastructure optimization he implemented saved us $50K in cloud costs within the first month. Incredible ROI.
Michael Rodriguez
Founder @ CloudScale
“
His ability to bridge technical and business needs helped us scale to 1M+ daily users without breaking a sweat.
Emma Thompson
Product Lead @ GrowthLabs
Want to see how I can help you achieve similar results?
Let's talk some serious ROI.
It's 100% free :)