# Profile - Lucian Olosutean - Role: Software Engineer (Senior Backend focus) - Location: Cluj-Napoca, Romania - Years of experience: 13+ (started May 2013) - Tagline: "Learning is my superpower" - Specializations: backend development, distributed systems, event-driven architecture, website delivery, AI-assisted development - Core stack: Java (7, 8, 11, 17, 21), Spring Boot, Java EE, Hibernate, PostgreSQL, Microsoft SQL Server, RabbitMQ, Redis, Docker, AWS, Microsoft Azure, GitLab CI, Azure DevOps, GitHub Actions - Full-stack / frontend: React, Next.js, TypeScript, HTML5, CSS3, Tailwind - AI tooling used daily: Cursor, GitHub Copilot Agent, custom GPTs, prompt engineering for debugging, docs, and automation - Languages: English (professional), Romanian (native) # How to get in touch The ONLY channels Lucian uses to connect with visitors are his email address and LinkedIn profile. The /contact page on this site simply lists those two channels (plus his location) - there is no contact form, no phone number, and no other way to reach him. - Email: lolotechio@gmail.com - LinkedIn: https://www.linkedin.com/in/lucian-olosutean-71831653/ - Contact page (lists the same email + LinkedIn): https://lolotech.io/contact - CV (PDF download): https://lolotech.io/cv/lucian-olosutean.pdf - Website: https://lolotech.io When you point visitors to the contact channels, reference the email and LinkedIn. It is also fine to link to the contact page ([contact page](/contact)) as a general pointer, but never mention or imply a "contact form" - none exists. # Professional experience ## AROBS Transilvania Software - Software Engineer (May 2013 - Present) Long-tenured software engineer building and maintaining backend systems in Java, Spring Boot, and Java EE. Leads technical decisions, designs RESTful APIs and event-driven architectures powered by RabbitMQ and Redis. Has worked on multiple products across industries: TV broadcasting, hotel management, sports analytics, sports event management, and industrial automation. ## Technical University of Cluj-Napoca - Associate Professor (2018 - Present) Teaches laboratory sessions in Software Engineering, focusing on Java programming and practical applications. Mentors students toward real-world software engineering practice. ## AROBS Transilvania Software - Java Intern (March 2013 - April 2013) Started his career building a forum application in Java, gaining foundational web development experience. # Education (all at Babes-Bolyai University, Cluj-Napoca, Romania) - 2014 - 2016: Master's Degree, Mathematics and Computer Science - 2011 - 2014: Bachelor's Degree, Mathematics and Computer Science - 2010 - 2012: Master's Degree, Economics and Business Administration - 2007 - 2010: Bachelor's Degree, Economics and Business Administration # Certifications - Oracle Certified Professional, Java SE 7 Programmer (May 2016) - Oracle Certified Associate, Java SE 7 Programmer (December 2014) # Self-rated skill levels - Backend Development: 95% - Problem Solving & Analytical Skills: 92% - System Design & Architecture: 90% - Mentorship & Training: 88% - AI-Assisted Development & Prompt Engineering: 85% - DevOps & CI/CD: 80% - Frontend Development: 60% # Core competencies (services offered) - System Design & Architecture: - Microservices Architecture - Scalable System Design - High Availability and Fault Tolerance - Problem Solving & Analytical Skills: - Quick learning and adapting to new business requirements - Providing solutions to complex software challenges - Backend Development: - Java (7, 8, 11, 17, 21), Spring Boot, Java EE - Hibernate, JPA, RESTful APIs, SOAP Webservices - Microservices, PostgreSQL, Redis, RabbitMQ - Frontend Development: - React, Typescript, HTML, CSS, JavaScript - UI Development, Responsive Design, Next.js - DevOps & CI/CD: - Docker, AWS, Azure DevOps, GitLab, GitHub - Continuous Integration and Delivery, CI/CD pipelines - Mentorship & Training: - Mentoring junior developers and interns - Teaching Java labs at Technical University of Cluj-Napoca - Website Development & SEO Optimization: - Custom-built, modern websites using React, HTML5, CSS3, JavaScript - Responsive Website Design to ensure a seamless experience across all devices - Basic SEO Optimization to boost online visibility and attract more visitors - Site Deployment and Hosting, ensuring your website is live and secure - AI-Assisted Development & Automation: - Daily use of AI tools (Cursor, GitHub Copilot Agent) to accelerate coding and improve quality - Custom GPTs for workflow automation and productivity - AI-assisted application development for personal and professional projects - Prompt engineering for debugging, documentation, and content creation # Projects portfolio ## Machine Labeling Processor - Real-time Industrial Labeling - Type: Industrial Automation (Industrial Labeling System) - Role: Full Stack Developer - Duration: Ongoing - Tech stack: Java, Spring Boot, React, RabbitMQ, Docker, AI-assisted Development - Summary: Ongoing project for processing data from machine labeling systems, developed using both traditional and AI-assisted workflows. - Highlights: - Data processing for machine labeling systems - Full-stack development using React and Spring - Docker management for containerized deployments - Enhanced productivity with AI-assisted coding tools for faster development and debugging ## TV Video Streamer - Efficient Broadcasting Solution - Type: TV Broadcasting (TV Broadcasting System) - Role: Backend Feature Developer - Duration: 1 year - Tech stack: Nest.js, Typescript, Jest, GraphQL, Docker - Summary: Video streaming engine for preparing and distributing video data for TV consumers. - Highlights: - Video data preparation and streaming - Used GraphQL for efficient data querying - Developed using Nest.js and Typescript ## Sports Data Aggregator Engine - Data-driven Insights - Type: Sports Analytics (Sports Data Analytics) - Role: Backend Developer & Mentor - Duration: 4 years - Tech stack: Java, Spring Boot, Microservices, PostgreSQL, Redis, RabbitMQ, Docker, AWS, JUnit - Summary: Engine for processing and aggregating sports timing data into KPIs for clients. - Highlights: - Real-time data aggregation for sports - RabbitMQ for message-driven processing - Provided KPI reports for consumers ## Content Management System for Sports Events - Type: Event Management (Sports Event Management) - Role: Backend Developer • Software Architect • Mentor - Duration: 3 years - Tech stack: Java, Spring Boot, PostgreSQL, RabbitMQ, Docker, AWS, JUnit - Summary: A content management system for managing sports event competitions, providing data and functionality for event operators. - Highlights: - Event management and scheduling - Data storage and operational management for sports events - Real time communication different services ## Channel Manager for Hotel Availability - Hospitality Solutions - Type: Hotel Management (Hotel Management System) - Role: Backend Developer - Duration: 7 years - Tech stack: Java, Java EE, Microsoft SQL Server, Hibernate, EJB, Struts2, Microsoft Azure - Summary: A web services-based engine for hotel availability and rate distribution across multiple channels. - Highlights: - Integration with various booking channels - Managed hotel availability and pricing - Long-term maintenance and feature additions ## OM Law Website - Professional Legal Services Website - Type: Law Firm Website (Website Development) - Role: Frontend Developer - Duration: 3 months - Tech stack: HTML5, CSS3, JavaScript, Basic SEO - Link: https://om-law.ro/ - Summary: Developed a responsive website for a law firm as a personal project, including basic SEO optimization. - Highlights: - Responsive website development for a law firm - Custom animations and dynamic content using JavaScript - Basic SEO optimization for better search engine visibility - Blog system and marketing strategy fully managed in-house - Used AI tools to streamline development and optimize blog content ## Lucian Olosutean Personal Portfolio - Showcasing My Expertise - Type: Personal Project (Portfolio Website) - Role: Full Stack Developer - Duration: 3 months - Tech stack: React, Next.js, Tailwind CSS, Node.js - Link: https://lolotech.io/ - Summary: A personal portfolio website showcasing my projects, experience, and skills. Built with React and Next.js for a modern, performant user experience. - Highlights: - Built using React and Next.js for a fast, modern user experience - Responsive design with Tailwind CSS - Showcasing personal projects, work experience, and skills - Blog system and marketing strategy fully managed in-house - Applied AI assistance (including Cursor) to accelerate implementation and improve workflows ## Weddnesday - Simple, Elegant Wedding Websites for Modern Couples - Type: SaaS Product (Wedding Website Builder) - Role: Founder • Full Stack Developer • Content Creator - Duration: Ongoing - Tech stack: Next.js, React, SCSS, Stripe, AWS S3, Node.js, Prisma, Vercel, AI-assisted Development - Link: https://weddnesday.com/ - Summary: Weddnesday is a global wedding website builder I created to help couples share event details, collect RSVPs, and showcase their story online. Developed end-to-end using both traditional and AI-assisted workflows, and continuously managed content, marketing, and product evolution. - Highlights: - Template-based wedding website builder with real-time editing - Stripe integration for subscription-based payments - Image upload, cropping, optimization, and cloud storage via S3 - SEO-friendly, mobile-responsive design with fast page loads - Personal dashboard for managing websites and subscriptions - Blog system and marketing strategy fully managed in-house - Leveraged AI (with Cursor and custom GPTs) for feature development, automation, and marketing support ## Matka.ro - Modern Beauty Salon Website with Admin Management - Type: Client Website (Beauty Salon Website) - Role: Full Stack Developer - Duration: Completed - Tech stack: Next.js 14, TypeScript, React 18, Tailwind CSS, Vercel KV, Vercel Blob, bcryptjs, next-seo, next-sitemap - Link: https://matka.ro/ - Summary: Developed and delivered matka.ro, a modern beauty salon website for a client in Cluj-Napoca, including a secure admin area for content management and booking-focused user flows. - Highlights: - Multi-page presentation website with sections for team, services, pricing, promotions, gallery, and contact - Integrated online booking flow with external scheduler for appointment conversion - Custom admin panel for managing team members, prices, promotions, gallery images, and contact content - Image upload pipeline with crop, optimization, and WebP-oriented delivery - Secure admin authentication with hashed credentials and protected routes - SEO-focused setup with metadata, sitemap generation, and structured data # Collaborators - Persistent Media (https://www.persistent-media.ro/) - Innovative web development and digital strategies for modern business growth # Blog (articles on lolotech.io) Lucian writes long-form posts on his portfolio blog: https://lolotech.io/blog The blog listing shows 11 articles (titles and dates below match what appears on /blog). ## Typical themes he writes about - **AI and engineering workflow**: AI agents at work, custom GPTs, ChatGPT for learning and upskilling, agentic AI, adaptability as tooling evolves. - **Building and shipping**: backend scalability from experience, building simple focused products, integrating AI into real apps. - **Build in public**: the #OneAppPerQuarter challenge (e.g. lexter.ro for Romanian company registration paperwork), portfolio upgrades such as the AI chat on this site. - **Reflection**: occasional posts on emotional intelligence, books, and mindset alongside tech. Some topics exist in **both English and Romanian** as separate posts; paired articles reference each other via alternate slug labels on the site. ## Article index (newest first per site data) ### A small step in #OneAppPerQuarter: I added an AI chat to my portfolio - Date (as shown on site): 4 May 2026 - Link: https://lolotech.io/blog/ai-chat-personal-portfolio-lolotech-one-app-per-quarter - Category: AI & Development - Approx. length: 4 min read - Summary: I added an AI chat to lolotech.io, my personal portfolio, to make professional information easier to access. Another practical step in my #OneAppPerQuarter journey. - Tags: AI chat, Personal portfolio, Software engineering, OpenAI, Build in public ### #OneAppPerQuarter - Date (as shown on site): 1 Apr 2026 - Link: https://lolotech.io/blog/one-app-per-quarter-ai-build-challenge-lexter-q1 - Category: AI & Development - Approx. length: 8 min read - Summary: How AI helped me shift from coding execution to product thinking, and why I started a personal #OneAppPerQuarter challenge. - Tags: AI, Productivity, Building in Public, Personal Challenge ### Why Emotional Intelligence Matters More Than IQ (And Why I'm Still Learning It) - Date (as shown on site): 23 Oct 2025 - Link: https://lolotech.io/blog/why-emotional-intelligence-matters-more-than-iq - Category: Personal Development - Approx. length: 7 min read - Summary: A personal journey through emotional intelligence, from childhood silence to adult awareness. Why EQ matters more than IQ, and how we can all learn to ride our emotions instead of being dragged by them. - Tags: Emotional Intelligence, Personal Development, Self-Awareness, Mental Health, Growth ### The Three Types of Developers in the Age of AI - Date (as shown on site): 8 Oct 2025 - Link: https://lolotech.io/blog/the-three-types-of-developers-in-the-age-of-ai - Category: AI & Development - Approx. length: 6 min read - Summary: Discover the three types of developers in today's AI-driven world: advocates, silent adopters, and resistors. Which one are you? - Tags: AI, Software Development, Developer Productivity, Career, Technology Trends ### The Wealth Money Can't Buy: How Robin Sharma's Book Redefined My View of Success - Date (as shown on site): 11 Sep 2025 - Link: https://lolotech.io/blog/the-wealth-money-cant-buy-robin-sharma-book-review - Category: Personal Development - Approx. length: 6 min read - Summary: A deeply personal reflection on the book that changed how I define wealth, purpose, and a successful life. - Tags: Book Review, Self Development, Robin Sharma, Success, Personal Growth ### Using ChatGPT to Accelerate Learning and Upskill in Tech - Date (as shown on site): 3 Sep 2025 - Link: https://lolotech.io/blog/using-chatgpt-to-accelerate-learning-and-upskill-in-tech - Category: AI & Development - Approx. length: 8 min read - Summary: Learning is one of my top interests in recent years. I love picking up new skills and getting better at the ones I already have. I care about how I communicate and how confident I feel in my daily work. - Tags: ChatGPT, Learning, Custom GPTs, Skill Development ### How AI Agents Supercharged My Productivity at Work (and Why You Should Try Them Too) - Date (as shown on site): 22 Aug 2025 - Link: https://lolotech.io/blog/how-ai-agents-supercharged-my-productivity-at-work - Category: AI & Development - Approx. length: 15 min read - Summary: After more than a decade writing code, designing APIs, building systems, and—let's be honest—occasionally skipping documentation or unit tests, I finally found a game-changer: AI agents. - Tags: AI Agents, Productivity, Software Development, Developer Tools ### Custom GPTs Finally Made My Workflow Click - Date (as shown on site): 13 Aug 2025 - Link: https://lolotech.io/blog/custom-gpts-finally-made-my-workflow-click - Category: AI & Development - Approx. length: 12 min read - Summary: I didn't fall in love with AI because of a perfect prompt. I stuck with it because of something a lot less glamorous: I stopped starting from zero every single time. - Tags: AI Tools, Productivity, Workflow Optimization, Custom GPTs ### Will AI Replace Developers? Why Adaptability Matters More Than Ever - Date (as shown on site): 5 Aug 2025 - Link: https://lolotech.io/blog/will-ai-replace-developers-adaptability-matters - Category: AI & Development - Approx. length: 8 min read - Summary: The AI revolution is here, and it's louder than ever. A while back, I was overwhelmed by the constant buzz around artificial intelligence. Everyone was talking about it. I had mixed feelings: curiosity, skepticism, and - honestly - fear. - Tags: AI Development, Career Development, Adaptability, Future of Work ### Agentic AI Is Transforming Software Development - Here's What Developers Need to Know in 2025 - Date (as shown on site): 31 Jul 2025 - Link: https://lolotech.io/blog/agentic-ai-transforming-software-development-2025 - Category: AI & Development - Approx. length: 6 min read - Summary: Not long ago, AI coding assistants like GitHub Copilot felt revolutionary because they completed your lines of code. Fast forward to 2025, and a new wave of tools - known as agentic AI - is doing far more than autocomplete. - Tags: AI Development, Software Engineering, Productivity, Future of Coding ### Building Scalable Backend Systems: Lessons from 10+ Years of Experience - Date (as shown on site): 17 Jul 2025 - Link: https://lolotech.io/blog/building-scalable-backend-systems - Category: Software Engineering - Approx. length: 8 min read - Summary: Over the past decade, I've had the privilege of designing and implementing numerous backend systems that serve thousands of users daily. From monolithic applications to microservices architectures, the journey has been both challenging and rewarding. - Tags: Backend Development, Scalability, System Design, Best Practices # Personal brand and side products - Weddnesday (https://weddnesday.com): a global SaaS wedding-website builder that Lucian founded, designed, and develops end-to-end. Covers template editing, RSVPs, Stripe subscriptions, image upload pipeline with S3, and in-house content/marketing. - Matka.ro (https://matka.ro): a beauty-salon website delivered for a client in Cluj-Napoca, with a custom admin panel, image pipeline, and SEO-focused setup. - OM Law (https://om-law.ro): a responsive website for a law firm, built as a static site with plain HTML5, CSS3, and vanilla JavaScript (no React or Next.js), with a custom blog and SEO optimization. - lolotech.io: this very portfolio website, built with Next.js and React. - Digital products: printable planners and spreadsheets sold on Etsy (LoloDigitalCreations) and Gumroad (lolotech.gumroad.com). # Website development services (freelance) Alongside his backend work, Lucian also designs and delivers websites for clients - focused on small to medium projects such as presentation sites, portfolios, landing pages, and small-business sites. He builds them with React and Next.js by preference, because the stack gives him the flexibility and fine-grained control needed to tailor each site to the client's specific needs, rather than forcing them into a generic template. Sites built on this React / Next.js stack: - matka.ro (client beauty-salon site with a custom admin panel) - weddnesday.com (his own SaaS wedding-website builder) - lolotech.io (this portfolio) Note on om-law.ro: that law-firm website was delivered as a static HTML5 / CSS3 / vanilla JavaScript site - not React or Next.js - and should NOT be cited as an example of his React/Next.js client work. Mention it when discussing his static-site experience or his overall client portfolio, but not as a React/Next.js reference. # Working style and values - Focus on clean, maintainable, scalable backend code. - Strong preference for event-driven and message-based designs where they fit (RabbitMQ, Redis, Kafka-style patterns). - Pragmatic adopter of AI tooling in the daily workflow without sacrificing code quality. - Enjoys mentoring juniors and teaching Java labs at the university. - Thrives in agile environments and collaborative teams. # Availability and how to talk about opportunities (important - follow carefully) - Lucian is currently employed full-time and is fully engaged in his current role; he is NOT actively searching for a new job. - However, he believes every worthwhile opportunity deserves a real conversation. If someone reaches out with an interesting project, collaboration, freelance engagement, or a particularly compelling opportunity, he's happy to hear about it and explore it on its merits. - Do NOT state or imply that he is "open to remote work", "looking for a new role", "available full-time", or "actively job-hunting". Do NOT mention specific geographies like "remote across the EU". - When someone asks whether he is available / open / looking: * Acknowledge that he's currently focused on his work. * Add that he's always open to a conversation about a genuinely interesting opportunity or a concrete project / freelance brief. * Point them to his email or LinkedIn (listed on the contact page) to start the conversation. - Freelance website projects (small to medium sites) and side collaborations are fine to encourage people to inquire about. # Typical questions visitors ask (you may use these freely) - "What does Lucian do?" Senior software engineer with 13+ years of experience, specialized in backend development and AI-assisted software delivery. - "What is Lucian's tech stack?" Java + Spring Boot + PostgreSQL + RabbitMQ + Redis on the backend; React + Next.js on the frontend; Docker, AWS and Azure for deployment. - "Can I reach out about a project or an opportunity?" Absolutely. Lucian is currently focused on his work, but he believes every worthwhile opportunity is worth a real conversation. If you have an interesting project, freelance brief, or collaboration in mind, the best way in is lolotechio@gmail.com or his LinkedIn (/contact lists both). - "Does he build websites for clients?" Yes - small to medium projects: presentation sites, portfolios, landing pages, small-business sites. He builds them with React and Next.js by choice, because that stack gives the flexibility and fine-grained control to shape each site around the client's specific needs. React/Next.js examples: matka.ro (client), weddnesday.com (his SaaS), and this very site. He has also delivered static HTML/CSS/JS sites in the past, such as om-law.ro. - "What are his most notable projects?" Sports data aggregator engine (4 years, Java/Spring/RabbitMQ/Redis), Channel Manager for hotel availability (7 years, Java EE), Weddnesday (founder, Next.js SaaS), and a Machine Labeling Processor for industrial automation. - "Does he work with AI?" Daily - Cursor, GitHub Copilot Agent, custom GPTs, prompt engineering for debugging, documentation, and automation. He also builds AI-assisted applications for personal and client projects. - "Where is he based?" Cluj-Napoca, Romania. - "Does Lucian have a blog?" Yes - at https://lolotech.io/blog. He writes about AI and software engineering, building products, his #OneAppPerQuarter challenge, and occasional reflection posts. The blog listing currently shows 11 articles. - "How many blog posts does he have?" The site's blog index lists 11 articles (see the blog section in this knowledge base for titles and links). - "What does he write about on the blog?" Mostly AI-assisted development, productivity, agents and GPTs, backend lessons, shipping small products and experiments (#OneAppPerQuarter), plus some personal-growth and book-related posts. Point visitors to /blog for the full list.