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Sandeep KumarSK
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Sandeep Kumar

@sandeepkumar28

I build reliable backend APIs and improve quality through automation and security testing.

Thailand
Message

What I'm looking for

I'm looking to improve system quality through backend development, API automation, testing, monitoring, and security best practices.

I'm currently improving system quality as a QA Analyst at SPARK in Bangkok, with a focus on reliability, API testing, automation, and secure application design.

Previously at Triallies LLC, I developed and optimized RESTful APIs using Python, Flask, and MongoDB, implemented secure JWT-based authentication, and collaborated on scalable backend solutions. At XopunTech, I integrated APIs and enhanced data communication between services.

I've also conducted vulnerability assessments and penetration testing at Elevate Labs using Nmap, Wireshark, and Burp Suite. I'm a Computer Science graduate who enjoys strengthening systems through testing, monitoring, performance, and security best practices.

Experience

Work history, roles, and key accomplishments

SPARK logoSP
Current

QA Analyst

Jan 2026 - Present (7 months)

QA Analyst at SPARK, responsible for quality assurance and testing activities.

Elevate Labs logoEL

Cyber Security Intern

Aug 2025 - Sep 2025 (1 month)

• Conducted vulnerability assessments and penetration testing to identify security weaknesses in systems and networks.
• Utilized advanced security tools such as Nmap, Wireshark, and Burp Suite for comprehensive security assessments.
• Earned recognition as "Best Performer" for analytical thinking and professional documentation of security findings.
• Strengthened Python programming skills f

XopunTech (India) Pvt. Ltd. logoXL

Software Intern

Jul 2024 - Sep 2024 (2 months)

Contributed to backend development at XopunTech by integrating APIs and enhancing data communication between services.

Triallies LLC logoTL

Junior Software Engineer

Nov 2023 - Feb 2024 (3 months)

Developed and optimized RESTful APIs using Python (Flask) and MongoDB, implemented secure JWT-based authentication, and collaborated with teams to deliver scalable backend solutions.

Education

Degrees, certifications, and relevant coursework

Assam Down Town University logoAU

Assam Down Town University

Bachelor of Technology, Computer Science

2021 - 2025

Pursued a Bachelor of Technology in Computer Science, gaining a strong foundation in software development and system design.

AU

Assam Down Town University

Bachelor of Technology - BTech, Computer Science

2021 - 2025

SS

ST.John's Hr. Sec school

High School Diploma

2019 - 2021

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