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Sofonias Admassu

@sofoniasadmassu

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Full-Stack Developer with 5+ years of experience in scalable web applications.

Ethiopia

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What I'm looking for

I am looking for a role that fosters innovation, encourages collaboration, and offers opportunities for professional growth.

I'm a Full-Stack Developer with over five years of experience in creating scalable web applications. My expertise lies in technologies such as React, Node.js, and MongoDB, which I have utilized to lead teams and optimize performance in various projects. I am passionate about problem-solving and dedicated to delivering impactful software solutions that meet client needs.

Throughout my career, I have successfully led the development of client-facing applications and internal tools, designed RESTful APIs, and implemented CI/CD pipelines to streamline deployments. My experience includes mentoring junior developers and collaborating with cross-functional teams to align development efforts with business goals. I take pride in shaping engineering culture and contributing to product planning and sprint management.

Experience

Work history, roles, and key accomplishments

Lead Software Engineer

Addis Software

Dec 2020 - Mar 2025 (4 years 3 months)

● Led full-stack development for client-facing applications and internal tools.
● Designed and implemented RESTful APIs, real-time features, and background task automation using Node.js and Express.
● Built dynamic and responsive frontends with React, React Native, and modern UI frameworks.
● Set up CI/CD pipelines using GitLab Runner to automate deployments.

MERN WordPress Gitlab CI React React Native TypeScript

WordPress Developer

Symbol Technologies

May 2020 - Dec 2020 (7 months)

● Contributed to the development of MOVEx Delivery, an online food ordering and delivery platform.
● Customized WordPress themes and managed content updates.
● Integrated local and international payment gateways and implemented multilingual support for broader accessibility.

WordPress

Education

Degrees, certifications, and relevant coursework

HiLCoE

Bachelor of Science, Computer Science

2015 - 2019

Grade: 3.6

● Relevant Coursework: Web Design and Development, Mobile Applications, Artificial Intelligence, Windows Programming (.NET), Database Management Systems
● Senior Project: Radiology Information System (RIS) — designed and developed an automated system for managing radiology workflows in healthcare settings; fully documented and implemented using industry best practices