Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm a results-driven Senior Software Engineer with 5+ years of experience architecting and deploying scalable enterprise software solutions. I specialize in full-stack development using JavaScript/TypeScript, Python, and Java, delivering secure and efficient software that drives measurable business impact. I enjoy building end-to-end systems, collaborating with cross-functional teams, and continuously learning new technologies.…I'm a results-driven Senior Software Engineer with 5+ years of experience architecting and deploying scalable enterprise software solutions. I specialize in full-stack development using JavaScript/TypeScript, Python, and Java, delivering secure and efficient software that drives measurable business impact. I enjoy building end-to-end systems, collaborating with cross-functional teams, and continuously learning new technologies.

Kalkidan Derso Demisse

Full Stack Developer, Web Developer, Developer, +4





I'm a results-driven Senior Software Engineer with 5+ years of experience architecting and deploying scalable enterprise software solutions. I specialize in full-stack development using JavaScript/TypeScript, Python, and Java, delivering secure and efficient software that drives measurable business impact. I enjoy building end-to-end systems, collaborating with cross-functional teams, and continuously learning new technologies.…I'm a results-driven Senior Software Engineer with 5+ years of experience architecting and deploying scalable enterprise software solutions. I specialize in full-stack development using JavaScript/TypeScript, Python, and Java, delivering secure and efficient software that drives measurable business impact. I enjoy building end-to-end systems, collaborating with cross-functional teams, and continuously learning new technologies.

Available to hire

I’m a results-driven Senior Software Engineer with 5+ years of experience architecting and deploying scalable enterprise software solutions.

I specialize in full-stack development using JavaScript/TypeScript, Python, and Java, delivering secure and efficient software that drives measurable business impact. I enjoy building end-to-end systems, collaborating with cross-functional teams, and continuously learning new technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Amharic

Advanced

Javanese

Advanced

Work Experience

Freelance Fullstack Developer (MERN) at Chora (USA)

October 1, 2024 - June 11, 2024

Spearheaded the development of advanced web automation solutions, significantly reducing manual intervention. Designed multi-stage automated workflows, streamlining data collection and analysis for business intelligence. Delivered end-to-end fullstack solutions with a focus on performance, security, and scalability.

Fullstack Developer (MERN) at Blueclerk (Texas, USA)

January 1, 2024 - July 31, 2024

Engineered a cloud-based asset management platform with seamless integration of IoT-enabled equipment tracking. Developed a high-throughput backend API supporting thousands of concurrent users with MongoDB and Redis caching. Automated infrastructure deployment using AWS and Docker, optimizing operational efficiency.

Fullstack Developer at eTech S.C. (Addis Ababa, Ethiopia)

October 1, 2022 - July 31, 2024

Designed and implemented a large-scale Fleet Management System integrating real-time GPS tracking and analytics. Built resilient backend microservices with Node.js, PostgreSQL, and Kafka for real-time data streaming. Led the frontend development of interactive dashboards using React, enhancing user experience and engagement.

Backend Developer at Synque Limited (Hong Kong)

September 1, 2023 - June 30, 2024

Developed scalable backend APIs for an enterprise e-commerce platform, processing millions of transactions. Implemented containerized services using Docker, ensuring seamless CI/CD deployments on AWS EC2. Optimized API response times through efficient indexing, query optimization, and caching strategies.

Fullstack Developer at Nicomas Digitals (Addis Ababa, Ethiopia)

January 1, 2021 - February 28, 2022

Led the development of a feature-rich e-commerce platform leveraging Next.js, Tailwind CSS, and Express.js. Integrated Sanity.io CMS for dynamic content management, improving operational flexibility. Designed and implemented secure authentication and payment processing flows, enhancing transaction security.

Guacamole Software Customization (Freelance) at Freelance

June 11, 2024 - June 11, 2024

Customized Guacamole remote desktop software, extending its capabilities using C and Java Servlet. Enhanced authentication and session security mechanisms to improve system reliability. Developed additional integrations to optimize remote desktop performance for enterprise environments.

Freelance Fullstack Developer (MERN) at Chora (USA)

October 1, 2024 - June 23, 2024

Fullstack Developer (MERN) at Blueclerk (Texas, USA)

January 1, 2024 - July 31, 2024

Fullstack Developer at eTech S.C. (Addis Ababa, Ethiopia)

October 1, 2022 - July 31, 2024

Backend Developer at Synque Limited (Hong Kong)

September 1, 2023 - June 30, 2024

Fullstack Developer at Nicomas Digitals (Addis Ababa, Ethiopia)

January 1, 2021 - February 28, 2022

Guacamole Software Customization (Freelance) at Freelance

June 23, 2023 - June 23, 2024

Freelance Fullstack Developer (MERN) at Chora (USA)

October 1, 2024 - Present

Spearheaded the development of advanced web automation solutions, significantly reducing manual intervention. Designed multi-stage automated workflows to streamline data collection and analysis for business intelligence. Delivered end-to-end fullstack solutions focused on performance, security, and scalability.

Fullstack Developer (MERN) at Blueclerk (Texas, USA)

July 1, 2024 - August 22, 2025

Engineered a cloud-based asset management platform integrating IoT-enabled equipment tracking. Developed a high-throughput backend API supporting thousands of concurrent users using MongoDB and Redis caching. Automated infrastructure deployment with AWS and Docker, enhancing operational efficiency.

Fullstack Developer at eTech S.C. (Addis Ababa, Ethiopia)

July 1, 2024 - August 22, 2025

Designed and implemented a large-scale Fleet Management System integrating real-time GPS tracking and analytics. Built resilient backend microservices using Node.js, PostgreSQL, and Kafka for real-time data streaming. Led frontend development of interactive dashboards using React to enhance user experience.

Backend Developer at Synque Limited (Hong Kong)

June 1, 2024 - August 22, 2025

Developed scalable backend APIs for an enterprise e-commerce platform processing millions of transactions. Implemented containerized services with Docker ensuring seamless CI/CD deployments on AWS EC2. Optimized API response times through efficient indexing, query optimization, and caching strategies.

Fullstack Developer at Nicomas Digitals (Addis Ababa, Ethiopia)

February 1, 2022 - August 22, 2025

Led development of a feature-rich e-commerce platform leveraging Next.js, Tailwind CSS, and Express.js. Integrated Sanity.io CMS for dynamic content management to improve operational flexibility. Designed and implemented secure authentication and payment processing flows to enhance transaction security.

Full Stack Developer at Chora

October 1, 2024 - November 21, 2025

Leading development of an advanced web automation solution, significantly reducing manual intervention and streamlining business intelligence workflows.

Senior Software Engineer at Hibir Technologies

October 31, 2024 - October 31, 2024

Architected comprehensive multi-tenant workflows scheduling platform enabling 22+ tenant schemas, automated shift management; built multi-stage automated workflows for data collection and analysis; implemented real-time calendar, authentication, and secure enterprise integrations.

Senior Backend Engineer at Client Project (NDA)

October 31, 2024 - October 31, 2024

Developed road-side assistance platform using Flask, Python and Google Cloud Platform. Built microservices architecture with Firestore, Firebase Cloud Messaging, and Cloud Storage, supporting thousands of concurrent users. Implemented real-time communications using WebSocket. Implemented intelligent authentication with JWT, OAuth2, OTP verification, and role-based access control. Developed matching algorithms using geolocation and route optimization.

Full Stack Developer at ETech S.C.

August 31, 2024 - August 31, 2024

Led development of a feature-rich cloud-based asset management platform; integrated Next.js, Tailwind CSS, Express.js; implemented secure authentication and payment flows; created responsive frontend with SEO optimization; supported real-time GPS tracking.

Backend Developer at Synergy Limited

June 30, 2024 - June 30, 2024

Developed enterprise e-commerce backend APIs; containerized deployments using AWS EC2; built CI/CD pipelines; supported thousands of concurrent transactions.

Full Stack Developer at Nicomas Digitals (Ethiopia)

February 28, 2022 - February 28, 2022

Led feature-rich e-commerce platform leveraging Next.js, Tailwind CSS, Express.js; integrated Sanity CMS; improved operational flexibility through dynamic content management.