Senior Application Security Engineer

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About This Opportunity

We are looking for a Senior Application Security Engineer to join and strengthen our Security team!

At Mobile Financial Services (MFS) we enable financial inclusion - truly using Technology for doing good in society! Our systems are used by hundreds of millions of people every day for services such as peer-to-peer transfers, payments, disbursements, loans, savings etc. We use the latest and greatest technology and techniques to guarantee powerful software of premium quality. Our headquarters is in Karlskrona where we develop one of the world's largest Fintech products. The Ericsson Wallet Platform (EWP) product enables our customers to provide financial services. The customers are operators and banks and have the highest expectations regarding security.

We are now looking for a Senior Application Security Engineer to join and strengthen our Security team in Karlskrona, Sweden!

What You Will Do

Play a pivotal role in ensuring the security of our products, systems, and data. The ideal candidate will have deep technical expertise in software development, cryptography, and secure coding practices. You will be responsible for leading and driving the security initiatives across our organization, ensuring adherence to security standards and compliance regulations.

• Lead the architecture and governance of EWP’s security solution
• Drive security initiatives and communicate security strategies across the organization.
• Assess and manage risk-based security decisions, weighing the interests of multiple stakeholders and risk profiles against each other.
• Develop, implement long-term security strategies aligned with business objectives and industry processes and standards.
• Lead all aspects of product security, including secure development practices, threat modeling, security testing, and secure deployment methodologies.
• Apply security tools and methodologies to conduct security vulnerability assessments and implement security testing methodologies.
• Collaborate across the organization and effectively communicate security concepts and ensure the implementation of security measures.
  
  

You will bring

• BSc or higher equivalent education in Software Engineering, Computer Science or similar.
• 7+ years of experience in a security role, with a focus on product security and software development preferably in a Fintech and Cloud environment.
• In-depth understanding of security standards and compliance regulations, such as ISO/IEC 27001, NIST SP-800 series, PCI SSS, and OWASP Top 10.
• Solid and proven background in software development.
• Good knowledge of modern software development techniques Java, Linux, Docker, Kubernetes and Front-End/Back-End penetration skills.
• Strong leadership and management skills, with the ability to drive security initiatives and communicate security strategies in an efficient way across the organization.
• Expertise in risk management, security tools, and methodologies.
• Excellent problem-solving and decision-making abilities, with a strategic approach.
• Strong communication and collaboration skills, with the ability to work effectively with all stakeholders.
  
  

The ideal candidate has a background in product development, with focus on security across the entire product lifecycle – from securing features and API’s to protecting attack surfaces and mitigating potential threats.

If you are passionate about security and have the skills and experience to excel in this role, we encourage you to apply and become a part of our dynamic team at MFS.

Application

We look forward to your application with CV in English. Please note that we do not accept, proceed, or respond for applications sent via e-mail.

Last day to apply: 18th of September, 2025

If you have specific questions, you are welcome to contact Raheleh Rouhani, Sr. Talent Acquisition Partner at [email protected]

Location: Sweden, Karlskrona

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?

Click Here to find all you need to know about what our typical hiring process looks like.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: Sweden (SE) || Karlskrona

Req ID: 762772