Hire the Best Amazon EC2 Developers
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➤ 1.87M/year savings - 5k+ page doc search: 15 min → instant answers, developed in 4 months (Azure, RAG, OpenAI). ➤ 2,400+ AI recommendations - 92% mobile adoption, 8.1 chats/user, 84.5% direct traffic (Next.js, Django, Flutter). ➤ 75% infrastructure cost reduction - migrated 300M+ ARR brand to serverless microservices (AWS Lambdas, Node/TS). ➤ 32.5% lead‑to‑contract conversion - custom Next.js platform for a music agency. I’m Luka Abramovic, a full‑stack/AI engineer who ships production LLM apps used by thousands of users. I build fast, reliable systems that create measurable business impact. My approach fixes brittle prompts, slow shipping, unclear ROI, or data privacy concerns. What you get - RAG that actually works. - 1-2 week PoC timeline - 6-8 weeks for an MVP. - Ai Expertise: GPT, Claude, Gemini, Llama, Whisper, Elevenlabs, Deepgram, RealTime Voice API, Text-to-SQL, Image generation - Full‑stack Ownership: Next.js/React, Node/TypeScript, Python/FastAPI; AWS/Vercel - Data: Vector DBs (Pinecone/FAISS/pgvector), Postgres/MySQL, S3/Azure Blob, REST/GraphQL. I take on 1–2 new builds per month to preserve quality. Message me with your goal and if we're a good fit we can get on a call!

Dear returning and new clients, I wish you all a warm welcome. You are just a message, away to boost your business with: ✔️ BACKEND web development problem and issue solving, ✔️ DATABASE querying and administration, ✔️ GUARANTEED A+ code quality following industry standards, ✔️ FAST and RELIABLE delivery and communication on AGREED tasks, ✔️ A RELIABLE and TRUSTWORTHY project manager who meets the client's reasonable deadlines. I am absolutely thrilled to help and guide you in IT technical sphere the best way I know (if you have time, you can also check short intro YouTube video here on my upWork profile, Thank you). I am FULL TIME freelancer with the set of skills, outlined by my clients: ✔️ PERFECT FEEDBACK SCORE (5.0) on ALL contracts AND 100% JOB SUCCESS - for more than a decade on upWork | Elance | oDesk, ✔️ upWork's TOP RATED FREELANCER BADGE since the start of their program, ✔️ POSITIVE attitude in RESOLVING conflicts and HANDLING glitches, ✔️ LIGHTNING fast replies and communication. DEVELOPMENT rules: - I write CLEAN and TESTABLE code, - write TESTS, so I am certain it does NOT break anything (if this is clearly communicated with client, I definitely encourage it highly), - CODE must be ready to DEPLOY at ANY TIME (CURRENT version must be in a WORKING state), - ALWAYS use GIT and BRANCHING, - SEPARATE ENVIRONMENTS for production, staging and local development, - use and TRACK PROGRESS through Jira, Trello, Asana and etc. - CLEAR AND CLEAN COMMUNICATION is an absolute MUST so the DEADLINES are met. For more please be sure to check feedback's, here on my profile page. Thank you in advance for dedicating your valuable time to me. --- BackEnd Web development: - PHP and frameworks - Laravel FrontEnd Web development: Jquery and Frameworks, CSS3, HTML5, Bootstrap, Vue Databases (development and administration): MySQL, MariaDB, MsSQL, PgSQL Amazon Web Services (AWS) Suite - EC2, S3, RDBMS Version control: - GIT - Bitbucket, GitHub - SVN - Tortoise SVN Linux - Ubuntu, CentOS7, Suse, Puppy - Bash Scripts - Docker -

Seasoned Full Stack Developer with 8+ years of technical operations, web technologies, back-end languages, database management, and leadership experience. Recognized for flair in optimizing system architecture and establishing effective troubleshooting techniques to ensure continued success. Professional focal points include technical proficiencies, data analysis, communication skills, industry expertise, and the ability to adapt to ever-changing situations in a fast-paced environment. Built independent problem-solving, leadership, time management, project management, testing and debugging, security awareness, API integration, and resource allocation expertise over the years. My last position was as a Full Stack Developer using MySQL + NodeJS + ReactJS stack on AWS Cloud with TreatCoin, an affiliate marketing platform. Utilizing my vast industry experience to manage a team of high-performing associates and lead the development and launch of the platform. While optimizing system architecture within the AWS Cloud environment, I demonstrated proficiency in various AWS technologies, including Lambda, Amazon S3, Amazon SQS, Route 53 DNS, Amazon CloudFront CDN, Amazon API Gateway, AWS WAF, Amazon EC2, Auto Scaling, and Amazon EventBridge, enabling me to effectively configure and deploy system components in alignment with stringent specifications. Explored many more tools/technologies (Python, Java, Bash, PHP, Zabbix, Qualys, Wowza Streaming Engine, etc.) besides numerous non-technical aspects (finance, legal, outsourcing, regulatory, and tax optimization, to name a few) as a startup founder. Colleagues describe me as a progressive, driven, down-to-earth, technical, and managerial expert who can be relied on to offer superior solutions that deliver profitable results on time and under budget.