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Osama karim

@osamakarim

Backend developer and T24 Transact technical consultant skilled in scalable systems, APIs, and secure integrations.

Pakistan
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What I'm looking for

I seek backend or full-stack roles where I can build scalable, secure systems, integrate payment/banking platforms, and improve performance using DevOps practices.

I am an experienced Backend Developer and T24 Transact Technical Consultant focused on building scalable, secure web platforms and core banking integrations. I have delivered e-commerce and banking solutions using Laravel, PHP, Python, Java, and MySQL while prioritizing performance and security.

I have hands-on experience integrating payment gateways (Stripe, PayPal, local methods), building RESTful APIs, optimizing databases to reduce load, and automating deployments with CI/CD. In banking projects I have worked with T24 DBTools, OFS command-line tools, JBoss Application Server, and Design Studio IDE to customize modules and streamline workflows.

I collaborate closely with frontend teams to ensure strong UX, and I bring a practical focus on DevOps, cloud deployment, and secure authentication (JWT, OAuth). I am motivated to apply my technical skills to deliver reliable, high-performance systems that meet business and user needs.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

AT

Aligarh Institute of Technology

Diploma, Software Engineering

2022 - 2024

Completed a Software Engineering program focusing on practical software development, backend systems, and web technologies.

Virtual University logoVU

Virtual University

Bachelor of Science, Computer Science

2020 - 2024

Pursued a Bachelor of Science in Computer Science with coursework in programming, databases, and software engineering.

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Osama karim - Full Stack Developer - Contract | Himalayas