Company Overview

The organisation operates within the financial technology industry, developing digital platforms and software solutions that support secure financial transactions, digital banking and online payment services. Its technology infrastructure handles sensitive financial information and supports services that require high standards of application security, reliability and data protection.

The organisation prioritises security throughout the software development lifecycle, ensuring that its financial applications are designed, tested and maintained against evolving cybersecurity threats. It seeks experienced security professionals who can strengthen application protection and support secure product development.

Role Summary

The Senior Fintech Application Security Engineer will be responsible for identifying application vulnerabilities, improving secure development practices and strengthening the security of financial technology platforms. The position involves conducting security assessments, reviewing application architecture, evaluating software vulnerabilities and working with engineering teams to implement effective security controls.

The successful candidate will collaborate with software developers, DevOps engineers and cybersecurity specialists to integrate security into application development and deployment processes. This role requires practical experience in application security, secure coding standards and the protection of financial systems against common and emerging cyber threats.

Key Responsibilities

• Conduct application security assessments across web applications, backend services and financial technology platforms.

• Perform security code reviews to identify vulnerabilities and weaknesses in application logic.

• Evaluate applications against recognised security standards, including OWASP guidance.

• Identify and assess risks associated with authentication, authorisation, session management and API security.

• Work with development teams to remediate identified vulnerabilities and strengthen application security.

• Design and implement security testing procedures within CI/CD pipelines.

• Conduct penetration testing and coordinate vulnerability assessments for critical applications.

• Review third-party libraries, software dependencies and external integrations for security risks.

• Support the implementation of secure coding standards and application security guidelines.

• Investigate application security incidents and provide technical recommendations to prevent recurrence.

• Evaluate the security of APIs connecting payment services, banking platforms and external financial providers.

• Collaborate with infrastructure teams to strengthen application deployment and runtime security.

• Maintain security documentation, assessment reports and vulnerability remediation records.

• Support security reviews before major product releases and system upgrades.

• Monitor emerging application security threats and recommend appropriate protective measures.

Requirements and Qualifications

• Bachelor’s degree in Computer Science, Cybersecurity, Software Engineering or a related technical discipline.

• Several years of experience in application security, software security engineering or cybersecurity.

• Strong understanding of web application vulnerabilities and secure software development principles.

• Practical experience with OWASP Top 10 and common API security risks.

• Knowledge of programming languages such as Python, Java, JavaScript, TypeScript or Go.

• Experience with static and dynamic application security testing tools.

• Understanding of authentication protocols, encryption and identity management.

• Familiarity with cloud application security and containerised environments.

• Experience integrating security checks into CI/CD pipelines.

• Strong analytical and problem-solving abilities.

• Excellent technical documentation and communication skills.

• Relevant security certifications or penetration testing experience are advantageous.

Benefits

• Fully remote working arrangement within Estonia.

• Opportunity to secure financial platforms handling sensitive digital transactions.

• Exposure to modern application security technologies and fintech infrastructure.

• Professional development in cybersecurity and secure software engineering.

• Collaboration with experienced engineering and information security teams.

• Opportunities to influence secure development practices across financial products.

• Long-term career development within fintech cybersecurity.

Application Instructions

Interested candidates should submit an updated CV highlighting their application security experience, vulnerability assessment capabilities and knowledge of secure software development. Applicants should include relevant technical tools, programming languages, certifications and examples of security projects they have contributed to.

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