Senior JavaScript Developer (Cyber Security Solution) at Sigma Software

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Senior JavaScript Developer (Cyber Security Solution) Sigma Software. Company Description. We are working with a highly dynamic AdTech ecosystem with the goal of protecting the world from malvertising. . The solution is part of a product portfolio that includesvarious software products currently written with JavaScript (ES, TypeScript, ReactJS) and Go. . Being our team member means being open-minded, proactive and friendly, supportive, ready to accept challenges, take responsibility, and never stop learning. We need to be one step ahead of attackers, which means being smarter, quicker, and looking beyond the surface. . Are you a JavaScript Developer willing to join the full of challenges and high-pace environment?  . We’d like to hear from you! . CUSTOMER. Our customer is a leader in the development of the most comprehensive end-to-end anti-fraud protections. They are working on two innovative start-up solutions with the goal of protecting clients' user experience, revenue, and brand.  . The first product succeeded in AdTech, protecting the world from malvertising. The second product allows E-commerce merchants to protect their margins by mitigating the negative effects of extensions like Honey, Wikibuy, Piggy, and more.  . PROJECT. The project develops a cybersecurity solution protecting revenue and user experiences across all platforms. . Job Description. Actively participate in the design/build stage of the software engineering life cycle (requirements gathering, prototyping, architecture, detailed design, development, testing, and deployment) . Be involved in planning, designing, and executing Agile delivery methodologies . Create awesome code with awesome documentation . Utilize the best engineering practices (unit tests, code/design review, etc.) . Stand up for high-quality solutions and bring new ideas to life . Take part in technical discussions, listen to arguments, and apply critical thinking . Qualifications. At least 5 years of hands-on software development experience in web/cloud technologies . At least 2 years of experience with Vanilla JavaScript . 4+ years in two or more different frameworks such as Vue, Angular, ReactJS, or jQuery, with a willingness to delve into their internals . 1+ years of experience with any web driver-based technology (e.g., Selenium, Puppeteer, etc.) . Solid experience building CI/CD pipelines on GitHub, GitLab, and/or Bitbucket . Solid knowledge of fundamental web technologies, including DOM API, DOM Event Model, XmlHttpRequest (HTTP/HTTPS), simple data structures (Map, Set, List, Queue), and design patterns . Commercial experience working with both SQL and NoSQL databases . Strong knowledge of browser limitations, testing, and debugging . Strong understanding of code versioning tools, such as Git . Readiness to engage in On-call Rotation, committing to one day of availability pre-week . Upper-intermediate level of spoken English . WOULD BE A PLUS . Experience with obfuscation and deobfuscation techniques . Good understanding of code transformation tools and/or bundlers . Bulletproof coding skills, focusing on "can" and "cannot" rather than "should" and "should not" . Proficient understanding of the ad tech ecosystem and/or previous ad tech experience . Additional Information. PERSONAL PROFILE. Self-driven and motivated . A visionary thinker with an eye for quality solutions . Ability to work independently . Passionate about leveraging technology to solve complex problems