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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.…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

Full Stack Developer, Developer, Programmer, +3

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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.…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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

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.