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I'm Mehmet Sadiku, a Backend Engineer with over 5 years of experience shaping scalable web applications and cloud-native backends using Node.js, TypeScript, AWS and microservices architecture. I love building robust systems with strong data modeling, REST/GraphQL APIs, and agile software development to deliver measurable business value. I thrive in cross-functional teams and enjoy turning complex requirements into reliable, maintainable services. I perform well in fast-paced environments, implementing CI/CD pipelines, optimizing databases, and collaborating with product, design and QA to continuously improve product quality. I'm always eager to explore new cloud patterns and share knowledge with colleagues to help teams ship value faster.…I'm Mehmet Sadiku, a Backend Engineer with over 5 years of experience shaping scalable web applications and cloud-native backends using Node.js, TypeScript, AWS and microservices architecture. I love building robust systems with strong data modeling, REST/GraphQL APIs, and agile software development to deliver measurable business value. I thrive in cross-functional teams and enjoy turning complex requirements into reliable, maintainable services. I perform well in fast-paced environments, implementing CI/CD pipelines, optimizing databases, and collaborating with product, design and QA to continuously improve product quality. I'm always eager to explore new cloud patterns and share knowledge with colleagues to help teams ship value faster.

Mehmet Sadiku

Back-End Developer, Full Stack Developer, Web Developer, +2

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I'm Mehmet Sadiku, a Backend Engineer with over 5 years of experience shaping scalable web applications and cloud-native backends using Node.js, TypeScript, AWS and microservices architecture. I love building robust systems with strong data modeling, REST/GraphQL APIs, and agile software development to deliver measurable business value. I thrive in cross-functional teams and enjoy turning complex requirements into reliable, maintainable services. I perform well in fast-paced environments, implementing CI/CD pipelines, optimizing databases, and collaborating with product, design and QA to continuously improve product quality. I'm always eager to explore new cloud patterns and share knowledge with colleagues to help teams ship value faster.…I'm Mehmet Sadiku, a Backend Engineer with over 5 years of experience shaping scalable web applications and cloud-native backends using Node.js, TypeScript, AWS and microservices architecture. I love building robust systems with strong data modeling, REST/GraphQL APIs, and agile software development to deliver measurable business value. I thrive in cross-functional teams and enjoy turning complex requirements into reliable, maintainable services. I perform well in fast-paced environments, implementing CI/CD pipelines, optimizing databases, and collaborating with product, design and QA to continuously improve product quality. I'm always eager to explore new cloud patterns and share knowledge with colleagues to help teams ship value faster.

Available to hire

I’m Mehmet Sadiku, a Backend Engineer with over 5 years of experience shaping scalable web applications and cloud-native backends using Node.js, TypeScript, AWS and microservices architecture. I love building robust systems with strong data modeling, REST/GraphQL APIs, and agile software development to deliver measurable business value. I thrive in cross-functional teams and enjoy turning complex requirements into reliable, maintainable services.

I perform well in fast-paced environments, implementing CI/CD pipelines, optimizing databases, and collaborating with product, design and QA to continuously improve product quality. I’m always eager to explore new cloud patterns and share knowledge with colleagues to help teams ship value faster.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Albanian

Fluent

English

Fluent

German

Intermediate

Work Experience

Backend Engineer at Technexus.io, Germany

December 1, 2024 - Present

Built and deployed a cloud-native backend architecture using Node.js/TypeScript and AWS (Lambda, ECS/EKS, S3, API Gateway, MySQL). Designed and optimized database schema and migrations, improving query performance. Implemented core business logic and REST/GraphQL APIs and collaborated with frontend and UX teams to deliver features. Guided continuous improvement by implementing CI/CD pipelines and seed scripts.

Backend Developer at Valtech, Germany

November 1, 2024 - October 21, 2025

Provided technical leadership across e-commerce, mobility and public sector projects from requirements to go-live. Designed scalable microservices and serverless architectures on AWS/GCP with CI/CD pipelines. Engineered databases (PostgreSQL, MongoDB, DynamoDB) including modeling, performance tuning and data migrations. Implemented REST and GraphQL APIs in Node.js/NestJS; integrated external payment, CRM and telemetry services. Led key projects: car configurator (Node.js, React, GraphQL, AWS), luxury e-commerce platform (Nest.js, Magento, Next.js), HR management system (Express.js, PostgreSQL, GraphQL).

Software Engineer at Loos.ch GmbH, Switzerland

July 1, 2022 - October 21, 2025

Integrated payment gateways, inventory and geocoding services into Node.js backend. Designed and managed MongoDB databases, including schema definition, replication and backup. Developed and released cross-platform apps for grocery delivery, project management and data visualisation using Node.js, Vue.js, D3.js and mobile technologies. Collaborated with clients to gather requirements and lead release management, monitoring and incident response.

Software Engineer at Render of the Day, Kosovo

May 1, 2021 - October 21, 2025

Developed a digital magazine platform for computer-generated imagery using Node.js (Express.js), HTML/CSS and Firebase. Built backend and frontend features and released site for real-time collaboration.