Hey, I am Durim Rrustemi
Full-Stack Software Engineer
7+ years of experience building scalable back-end systems and cloud-native applications. I help businesses turn complex problems into high-performance software solutions.
Tech Stack
My Skills
What I Do
Backend Development
Expert in .NET Core, FastAPI/Python, and Node.js. Building scalable APIs with 99.99% uptime, serving 100k+ customers.
Cloud & DevOps
AWS expert (CDK, Lambda, EC2, S3, CloudFront). Infrastructure as Code, CI/CD pipelines, and cost optimization expertise.
Frontend Development
Modern frameworks including Angular, SvelteKit, and React. Performance optimization cutting load times to milliseconds.
Architecture & Security
End-to-end ownership of system architecture, database design, authentication, and security best practices.
About
About Me
Full-Stack Software Engineer with 7+ years of experience building scalable back-end systems, secure APIs, and cloud-native applications. Proven track record in financial services and international projects, with expertise in .NET Core, Python/FastAPI, Node.js, AWS, and modern front-end frameworks.
Strong ownership of architecture and infrastructure decisions, from database design to frontend stack selection. Passionate about delivering high-performance, cost-effective solutions that scale.
Career
Professional Experience
Full-Stack Software Engineer
Elba Technologies
February 2024 - Present
- •Designed and implemented new backend architecture on FastAPI/Python, including a new DB model; migrated production data with zero downtime.
- •Introduced Infrastructure as Code with AWS CDK and CodePipeline, enabling automated deployments, self-scaling infrastructure.
- •Proposed and led adoption of SvelteKit + Vite + Tailwind as the new frontend stack, replacing legacy JavaScript PWA; deployed on S3 + CloudFront, cutting load times from seconds to milliseconds.
- •Delivered AWS Lambda event integrations with third-party services using CDK + pipelines.
- •Optimized AWS setup, reducing monthly costs from $6k → $3k while improving performance.
- •Took end-to-end responsibility for architecture, database design, cloud infra, and CI/CD.
Software Developer
Raiffeisen Bank Kosovo
June 2018 - January 2024
- •Maintained core banking system and legacy .NET applications (2018–2020).
- •Promoted to Software Developer in the e-Banking tribe, building web & mobile banking solutions.
- •Integrated 3rd party services (utilities, telecoms, government payments) into digital channels, expanding customer functionality.
- •Built scalable APIs with 99.99% uptime, powering e-Banking services for 100k+ customers.
- •Acted as Code Reviewer & Release Manager in later years, ensuring code quality and managing production deployments with minimal downtime.
Education
Academic Background
BSc Computer and Electrical Engineering(Scholarship)
University of Prishtina
Graduate
USAID's Transformational Leadership Program, American University of Kosovo
Distinct Graduate
LIMAK Airport Institute, Boğaziçi University
Winner
National Math Competition
Languages
Language Skills
German
FluentFull professional proficiency (C1)
English
FluentFull professional proficiency (C1)
Albanian
Native
Get In Touch
Contact Me
Interested in working together? Let's discuss your project and how I can help.