Senior Mobile Security Engineer

Location: Wrocław

About the job

At Opera, we make web browsers, payment solutions, news aggregation services, and data compression services while ensuring user privacy. Opera’s aim is to give our users the best Internet experience on any device and any platform to our 380 million users worldwide. Our passion is to create products and services which bring the whole world online.

Role & Responsibilities:

  • Maintain a full chain of security across mobile products from review through design to implementation.
  • Validate, track, and prioritize security issues.
  • Design and build internal security tools that help fix security problems.
  • Provide subject matter expertise on application-level security controls and safe programming practices.
  • Promote security knowledge across development teams and inspire our security champions.
  • Cooperate with Product Managers and review security aspects of feature candidates.
  • Advise on the secure design of our applications and services and participate in threat modeling.

Job Requirements:

  • Deep understanding of Android security.
  • Fluency in Kotlin and Java.
  • Strong application security background (with focus on mobile security.)
  • Experience with white-box security assessments.
  • English at C1.

An Ideal Candidate’s Profile:

    • Understanding of iOS security.
    • Experience with iOS development, fluency in Swift and Objective C.
    • Fluent JavaScript.
    • Familiarity with browser security issues.
    • Social skills necessary to speak publicly, lead meetings, provide training.

    Diversity and Inclusion:

    At Opera diversity and inclusion are central to our values. We recognise that being diverse and inclusive makes us stronger as a business. Our aim is to attract, recruit and retain people who reflect the diverse nature of our business, clients, and communities regardless of nationality, ethnicity, faith, belief, sexual orientation, gender identity, social background, age, and disability.

    What’s on Offer:

    • Competitive salary.
    • Employment agreement or B2B contract.
    • An international internet company culture with products that address a massive global user base.
    • Flat structured environment where we truly respect each other’s talent and contribution.


    We will review applications continuously, so apply now! We are looking forward to hearing from you.

    About Us:

    Opera is a prominent web innovator that has been at the forefront of internet technology for over 25 years. With a rapidly growing base of hundreds of millions of monthly active users, Opera is dedicated to delivering exceptional online experiences. Opera offers a diverse range of products and services to users worldwide, including cutting-edge PC and mobile browsers, the newsreader Opera News, a revolutionary video streaming service called Loomi, as well as gaming and sports apps. This comprehensive suite of products is designed to meet the diverse needs and preferences of Opera's growing user base.

    Headquartered in Oslo, Norway, Opera has a global presence with major offices in Poland, China, Spain, and Sweden, and operations in many other countries. As a publicly traded company, Opera is listed on the Nasdaq stock exchange under the ticker symbol "OPRA". With its commitment to innovation and exceptional user experiences, Opera is poised to continue leading the way in web technology and online services.