Software Engineer Intern
Deadline:- 14th March 2026
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Sisenco Digital Kottawa, Sri Lanka Full-Time Internship
| On-Site
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โข We are looking for a Software Engineer Intern who is passionate about modern web development and building intuitive user interfaces.
โข The primary emphasis is on learning to craft modern, interactive user interfaces and supporting the development of real-world applications.
โข You will work closely with experienced engineers and contribute to both frontend and backend development tasks.
โข This is a full-time, on-site internship position based at our office in Kottawa, Colombo.
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โข Assist in building responsive and user-friendly interfaces using modern frontend frameworks
. โข Support the implementation of UI designs and product requirements into working frontend components.
โข Collaborate with designers and developers to understand user flows and interface behavior
. โข Learn and follow best practices in accessibility, performance optimization, and component-based architecture.
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โข Design scalable backend architectures, implementing clean service-layer structures
โข Work with SQL and NoSQL databases, optimizing database queries and improving backend performance
. โข Write secure, testable, and well-documented backend code.
โข Gain exposure to deploying and running applications in containerized environments.
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โข Bachelorโs degree in Computer Science, IT, or equivalent practical experience
. โข Basic understanding of JavaScript or TypeScript.
โข Familiarity with React.js (Next.js is a plus).
โข Understanding of basic frontend development concepts and component-based architecture.
โข Interest in UI/UX design principles and user-centered development.
โข Familiarity with Git version control (GitHub/GitLab). โข Basic knowledge of Node.js or Python backend frameworks (FastAPI/Django) is a plus. โข Basic understanding of SQL or NoSQL databases. โข Strong willingness to learn, problem-solving mindset, and good teamwork skills
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Exposure to modern software architecture and AI-driven product development. Hands-on experience working on real-world software products. Mentorship from experienced engineers and product leaders. Fast learning environment with strong technical growth opportunities. Opportunity to convert to a full-time role based on performance.
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This role is ideal for students or recent graduates who enjoy building user interfaces, learning modern technologies, and contributing to real product development. You will be part of building early-stage SaaS products with long-term scalability in mind.
