Rajko D.
Full-Stack Engineer & Backend Lead | FastAPI, AWS, PostgreSQL
I'm a senior full-stack developer with 7+ years of experience, specializing in backend architecture, API development, and cloud infrastructure. I currently serve as a backend lead on a production system, where I: Design and maintain FastAPI servers with PostgreSQL databases Manage AWS infrastructure and integrate with third-party hosting services Build and maintain end-to-end systems from database to deployment My background includes both startup and enterprise environments. I take ownership of technical decisions, optimize for scalability, and ensure reliable system operations. What I deliver: Clean, maintainable APIs (FastAPI, Node) Robust scraping and automation solutions (Scrapy, Selenium, anti-bot strategies) Full-stack applications (React, Angular) Cloud infrastructure on AWS (EC2, RDS, S3, Lambda, CloudFront, and other) Database design (PostgreSQL, MongoDB, MySQL) I'm looking for long-term collaborations where I can bring my full-stack and backend leadership experience to help build and scale reliable products. TECHNOLOGICAL SKILLS Python • SQL • PostgreSQL • NoSQL databases • ETL tools • AWS (Amazon Web Services) • Docker • Kubernetes (Hands-on) • Pandas • RESTful APIs • Git • GitHub • PyTest • Selenium • Jupyter Notebooks • Spyder • Bash/Shell scripting • React • Angular • HTML • CSS • JavaScript/TypeScript AREAS OF EXPERTISE Python Development • Data Pipeline Automation • Database Management • Cloud Computing • Containerization • Orchestration Tools • Data Processing • API Development • Version Control • Quality Assurance • Documentation • Monitoring and Logging • Security Best Practices • Agile Methodologies • Collaboration Tools • ETL Processes • Deployment • Front-End Development
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $833
Billed in all: $3,408$3.4k
$833 in the last 6 months
Earnings, last 30 days
Skill rankings: Top 20% in Database Programming
Ranked by MRR among everyone on Upwork with the skill.
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