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I am a dedicated software engineer with substantial experience in designing, developing, and maintaining enterprise-grade software applications. My expertise spans Java, Spring Boot, SQL, and .NET technologies, with a strong focus on optimizing system performance and enhancing user experience. I work collaboratively with cross-functional teams to deliver scalable solutions, ensuring secure and efficient software systems. My journey includes significant contributions in both backend and full stack development, where I've integrated various technologies such as AWS S3, React.js, and payment gateways. Passionate about leveraging technology to solve real-world problems, I have also built projects that improve accessibility and provide innovative solutions like a long-range spy car with obstacle detection and an audio caption generator using deep learning.…I am a dedicated software engineer with substantial experience in designing, developing, and maintaining enterprise-grade software applications. My expertise spans Java, Spring Boot, SQL, and .NET technologies, with a strong focus on optimizing system performance and enhancing user experience. I work collaboratively with cross-functional teams to deliver scalable solutions, ensuring secure and efficient software systems. My journey includes significant contributions in both backend and full stack development, where I've integrated various technologies such as AWS S3, React.js, and payment gateways. Passionate about leveraging technology to solve real-world problems, I have also built projects that improve accessibility and provide innovative solutions like a long-range spy car with obstacle detection and an audio caption generator using deep learning.

Abdul Hannan Sunsara

Developer, Full Stack Developer, Programmer, +2

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I am a dedicated software engineer with substantial experience in designing, developing, and maintaining enterprise-grade software applications. My expertise spans Java, Spring Boot, SQL, and .NET technologies, with a strong focus on optimizing system performance and enhancing user experience. I work collaboratively with cross-functional teams to deliver scalable solutions, ensuring secure and efficient software systems. My journey includes significant contributions in both backend and full stack development, where I've integrated various technologies such as AWS S3, React.js, and payment gateways. Passionate about leveraging technology to solve real-world problems, I have also built projects that improve accessibility and provide innovative solutions like a long-range spy car with obstacle detection and an audio caption generator using deep learning.…I am a dedicated software engineer with substantial experience in designing, developing, and maintaining enterprise-grade software applications. My expertise spans Java, Spring Boot, SQL, and .NET technologies, with a strong focus on optimizing system performance and enhancing user experience. I work collaboratively with cross-functional teams to deliver scalable solutions, ensuring secure and efficient software systems. My journey includes significant contributions in both backend and full stack development, where I've integrated various technologies such as AWS S3, React.js, and payment gateways. Passionate about leveraging technology to solve real-world problems, I have also built projects that improve accessibility and provide innovative solutions like a long-range spy car with obstacle detection and an audio caption generator using deep learning.

Available to hire

I am a dedicated software engineer with substantial experience in designing, developing, and maintaining enterprise-grade software applications. My expertise spans Java, Spring Boot, SQL, and .NET technologies, with a strong focus on optimizing system performance and enhancing user experience. I work collaboratively with cross-functional teams to deliver scalable solutions, ensuring secure and efficient software systems.

My journey includes significant contributions in both backend and full stack development, where I’ve integrated various technologies such as AWS S3, React.js, and payment gateways. Passionate about leveraging technology to solve real-world problems, I have also built projects that improve accessibility and provide innovative solutions like a long-range spy car with obstacle detection and an audio caption generator using deep learning.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Work Experience

Software Engineer (Associate Consultant) at Atos Syntel Pvt. Ltd.

October 1, 2022 - August 6, 2025

Collaborated with cross-functional teams to design, develop, and maintain enterprise-grade software applications, boosting system efficiency and team productivity. Contributed to the feature development and maintenance of a large-scale Java-based system leveraging Spring Boot and SQL for backend data management and optimized database performance. Conducted thorough testing and debugging to identify and resolve issues, resulting in reduced system downtime and improved overall performance.

Full Stack Developer at Arwasys Infotech Pvt. Ltd.

March 1, 2024 - Present

Contributed to two key projects: a School ERP system and an Optics Plus SaaS platform, enhancing user engagement by 30% through performance-optimized features. Architected and implemented a user management and role-based access control system for precise authorization and secure module-level access in both .NET and Java applications. Built reusable email and SMS services using .NET Core and Spring Boot, automating messaging for verifications and transactional communications. Integrated payment gateways ensuring secure fee transactions with 99.9% uptime and full compliance. Designed and optimized REST APIs and complex queries, improving backend response time by 25%. Developed secure authentication flows and custom encryption/decryption services, enhancing data protection and reducing vulnerabilities by 40%. Implemented AWS S3 storage integration for scalable, secure user profile and document management. Collaborated in agile sprints using Git, JIRA, and CI/CD tools, enabling a 20% faste

Full Stack Developer Intern

February 28, 2024 - August 6, 2025

Contributed to the development and enhancement of web applications using Blazor, .NET Core, React.js, Java Spring Boot, and SQL Server.