I am a detail-oriented and versatile software engineer with over 7 years of experience in full-stack development across diverse domains including banking, e-commerce, and research applications. Currently, I am pursuing an MSc in Computer Science in Switzerland, honing my expertise in Java, Angular, Spring Boot, and Laravel. I have demonstrated the ability to lead cross-functional teams, modernize legacy systems, and deliver robust, scalable solutions throughout the entire software development lifecycle. I am adept at bridging technical and business requirements, driving innovation, and continuously improving system performance and maintainability. My passion lies in developing high-quality software aligned with industry standards, while mentoring juniors and fostering Agile practices to deliver impactful results.

Sinthuja Vijayananthan

I am a detail-oriented and versatile software engineer with over 7 years of experience in full-stack development across diverse domains including banking, e-commerce, and research applications. Currently, I am pursuing an MSc in Computer Science in Switzerland, honing my expertise in Java, Angular, Spring Boot, and Laravel. I have demonstrated the ability to lead cross-functional teams, modernize legacy systems, and deliver robust, scalable solutions throughout the entire software development lifecycle. I am adept at bridging technical and business requirements, driving innovation, and continuously improving system performance and maintainability. My passion lies in developing high-quality software aligned with industry standards, while mentoring juniors and fostering Agile practices to deliver impactful results.

Available to hire

I am a detail-oriented and versatile software engineer with over 7 years of experience in full-stack development across diverse domains including banking, e-commerce, and research applications. Currently, I am pursuing an MSc in Computer Science in Switzerland, honing my expertise in Java, Angular, Spring Boot, and Laravel. I have demonstrated the ability to lead cross-functional teams, modernize legacy systems, and deliver robust, scalable solutions throughout the entire software development lifecycle.

I am adept at bridging technical and business requirements, driving innovation, and continuously improving system performance and maintainability. My passion lies in developing high-quality software aligned with industry standards, while mentoring juniors and fostering Agile practices to deliver impactful results.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Beginner
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Language

English
Fluent
French
Beginner
German
Beginner
Tamil
Fluent

Work Experience

Senior Software Engineer (Remote) at Oyslans Pvt Ltd (SriLanka / UK)
November 1, 2022 - Present
Developed and maintained web/mobile apps using Angular, React, Laravel, Vue.js, and Spring Boot. Built scalable POS systems in C# for high-traffic environments. Led Agile teams, mentored juniors, and conducted code reviews. Designed RESTful APIs with solid OOP and design principles.
Core Banking Developer at Hatton National Bank, Sri Lanka
March 31, 2024 - July 23, 2025
Rebuilt legacy Java pawning system with Angular and Spring Boot. Integrated LDAP authentication and implemented secure banking workflows. Wrote unit tests and optimized Oracle DB queries. Delivered high-quality software aligned with banking standards.
Temporary Instructor at University of Jaffna, Sri Lanka
September 30, 2022 - July 23, 2025
Delivered lectures and practicals for undergraduate Computer Science students. Prepared exams, evaluated coursework, and mentored projects.
Software Engineer → Senior Software Engineer at Teq2o Technologies Pvt Ltd, Sri Lanka
November 30, 2022 - July 23, 2025
Full-stack development of desktop, mobile, and web applications using Angular, Flutter, Laravel, and CodeIgniter. Contributed to Agile teams and built modular REST APIs.
Trainee Software Engineer at HashNative Solutions, Sri Lanka
June 30, 2020 - July 23, 2025
Developed applications using Laravel, CodeIgniter, Angular, and Flutter. Worked on both front-end and back-end development.
Senior Software Engineer (Remote) at Oyslans Pvt Ltd (Sri Lanka / UK)
November 1, 2022 - Present
Leading software development projects remotely, leveraging full-stack skills in Angular, React, Laravel, Vue.js, and Spring Boot. Responsible for mentoring team members and modernizing systems in a cross-border environment.
Core Banking Developer at Hatton National Bank, Sri Lanka
March 1, 2024 - September 4, 2025
Worked on core banking development including rebuilding legacy Java pawning systems using Angular and Spring Boot. Integrated LDAP authentication, implemented secure banking workflows, wrote unit tests, optimized Oracle DB queries, and delivered software aligned with banking standards.
Temporary Instructor at University of Jaffna, Sri Lanka
September 30, 2022 - September 4, 2025
Developed and maintained web/mobile apps using Angular, React, Laravel, Vue.js, and Spring Boot. Built scalable POS systems in C# for high-traffic environments. Led Agile teams, mentored juniors, conducted code reviews, delivered lectures and practicals for undergraduate CS students, and prepared exams and coursework.
Senior Software Engineer at Teq 2o Technologies Pvt Ltd, Sri Lanka
November 30, 2022 - September 4, 2025
Full-stack development of desktop, mobile, and web apps using Angular, Flutter, Laravel, and CodeIgniter. Contributed to Agile teams, built modular REST APIs, developed multi-authentication systems, and delivered HR and ride-sharing apps.
Trainee Software Engineer at Hash Native Solutions, Sri Lanka
June 30, 2020 - September 4, 2025
Developed applications using Laravel, CodeIgniter, Angular, and Flutter. Worked on both front-end and back-end development, gaining foundational skills in full-stack software engineering.

Education

BSc at University of Jaffna
January 1, 2017 - December 31, 2021
MSc Joint Master's in Computer Science at University of Bern, Neuchâtel, Fribourg
February 1, 2025 - September 4, 2025
BSc (Hons) in Computer Science Second Class Upper Division at University of Jaffna, Sri Lanka
January 1, 2017 - December 31, 2021

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Education, Retail, Professional Services