Deadline:- 14th March 2026

๐’๐จ๐Ÿ๐ญ๐ฐ๐š๐ซ๐ž ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ ๐ˆ๐ง๐ญ๐ž๐ซ๐ง

Sisenco Digital Kottawa, Sri Lanka Full-Time Internship

| On-Site

careers@sisencodigital.com

๐‘๐จ๐ฅ๐ž ๐ƒ๐ž๐ฌ๐œ๐ซ๐ข๐ฉ๐ญ๐ข๐จ๐ง

โ€ข We are looking for a Software Engineer Intern who is passionate about modern web development and building intuitive user interfaces.

โ€ข The primary emphasis is on learning to craft modern, interactive user interfaces and supporting the development of real-world applications.

โ€ข You will work closely with experienced engineers and contribute to both frontend and backend development tasks.

โ€ข This is a full-time, on-site internship position based at our office in Kottawa, Colombo.

๐Š๐ž๐ฒ ๐‘๐ž๐ฌ๐ฉ๐จ๐ง๐ฌ๐ข๐›๐ข๐ฅ๐ข๐ญ๐ข๐ž๐ฌ

๐…๐ซ๐จ๐ง๐ญ๐ž๐ง๐ & ๐”๐ˆ/๐”๐— ๐ƒ๐ž๐ฏ๐ž๐ฅ๐จ๐ฉ๐ฆ๐ž๐ง๐ญ

โ€ข Assist in building responsive and user-friendly interfaces using modern frontend frameworks

. โ€ข Support the implementation of UI designs and product requirements into working frontend components.

โ€ข Collaborate with designers and developers to understand user flows and interface behavior

. โ€ข Learn and follow best practices in accessibility, performance optimization, and component-based architecture.

๐๐š๐œ๐ค๐ž๐ง๐ & ๐ˆ๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง

โ€ข Design scalable backend architectures, implementing clean service-layer structures

โ€ข Work with SQL and NoSQL databases, optimizing database queries and improving backend performance

. โ€ข Write secure, testable, and well-documented backend code.

โ€ข Gain exposure to deploying and running applications in containerized environments.

๐๐ฎ๐š๐ฅ๐ข๐Ÿ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ

โ€ข Bachelorโ€™s degree in Computer Science, IT, or equivalent practical experience

. โ€ข Basic understanding of JavaScript or TypeScript.

โ€ข Familiarity with React.js (Next.js is a plus).

โ€ข Understanding of basic frontend development concepts and component-based architecture.

โ€ข Interest in UI/UX design principles and user-centered development.

โ€ข Familiarity with Git version control (GitHub/GitLab). โ€ข Basic knowledge of Node.js or Python backend frameworks (FastAPI/Django) is a plus. โ€ข Basic understanding of SQL or NoSQL databases. โ€ข Strong willingness to learn, problem-solving mindset, and good teamwork skills

. ๐–๐ก๐š๐ญ ๐–๐ž ๐Ž๐Ÿ๐Ÿ๐ž๐ซ

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.

๐–๐ก๐จ ๐’๐ก๐จ๐ฎ๐ฅ๐ ๐€๐ฉ๐ฉ๐ฅ๐ฒ

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.