Application Security Tester - Tieto Banktech (m/f/d)
We are looking for a skilled and detail-oriented Application Security Tester (Exp 3~6 Years) to identify and mitigate security vulnerabilities in web, enterprise applications who wants to be part of Tieto Banktech. Tieto Banktech powers some of the Nordics’ most trusted banking systems with secure, reliable, and scalable solutions. Using automation, data, AI, and cloud, supported by hands-on guidance, we help banks modernize their core, strengthen trust, and deliver greater impact across the banking experience.
This role is in the Payments and Cash Management unit, where we work on cutting-edge technology to create world class financial products that are used by top banks worldwide.
Key Responsibilities
Perform manual and automated security testing on web, mobile, and APIs.
Conduct Vulnerability Assessment and Penetration Testing (VAPT) on applications.
Identify, analyze, and document vulnerabilities such as OWASP Top 10 risks.
Collaborate with development teams to remediate security issues and implement fixes.
Perform secure code reviews and recommend security best practices.
Integrate security testing into CI/CD pipelines (DevSecOps).
Develop and maintain security test cases, scripts, and reports.
Conduct threat modeling and risk assessments.
Stay updated with latest security threats, tools, and techniques.
Ensure compliance with security standards (e.g., ISO 27001, PCI-DSS, GDPR where applicable)
- Leverage AI-powered tools to perform automated code reviews, vulnerability scanning, and threat modeling, improving accuracy and speed of application security assessments.
- Integrate AI-driven security solutions (e.g., SAST/DAST, anomaly detection) into CI/CD pipelines to proactively detect and remediate vulnerabilities.
- Continuously upskill in AI and cybersecurity advancements to strengthen application defense strategies and drive intelligent, data-driven security decision
Technical Skills
Strong knowledge of application security concepts and standards (OWASP, SANS).
Experience with tools like: Kali Linux
Burp Suite /OWASP ZAP
openText SCA /FOD
Knowledge of web technologies (HTTP/HTTPS, REST APIs, JSON, XML).
Familiarity with programming/scripting languages (Python, Java, JavaScript, etc.).
Understanding of authentication, authorization, encryption, and session management.
Experience with API security testing.
We offer
We offer you professional growth, meaningful projects, open culture and an outstanding work-life balance! We offer you an opportunity to create the future of a growing, fast-developing and important sector. We believe that our organizational culture is an important part of enabling you to be successful. We provide a flexible hybrid work model as part of our culture and way of working. Finally, we also believe in curiosity and learning as a lifestyle where you need to unlearn and relearn every day as new possibilities emerge.
Tieto India has been made aware of fraudulent recruitment activities being carried out by individuals falsely impersonating our organization. https://careers.tieto.com/blog/2026-5/important-advisory-regarding-recruitment-fraud
At Tieto, we believe in the power of diversity, equity, and inclusion. We encourage applicants of all backgrounds, genders (m/f/d), and walks of life to join our team, as we believe that this fosters an inspiring workplace and fuels innovation. Our commitment to openness, trust, and diversity is at the heart of our mission to create digital futures that benefit businesses, societies, and humanity.