Boasting 250+ like-minded individuals, Gismart unites professionals with diverse expertise in entertainment, music, and tech.We foster innovative thinking, nurture each other’s strengths, collaborate as a team, and succeed as one.

gismart

Creative Producer

Retention Manager

Data Engineer/Data Quality

UA Manager (Paid Social) for FitMe

Creative Marketing Manager

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Product Designer

UA Manager (Paid Social)

Support Manager

Gismart is seeking a Creative Producer to develop and implement creative strategies for mobile application promotion. This role involves working with Product and UA teams, optimizing creatives based on data, conducting competitor research, and creating advertisements for various networks. The ideal candidate will balance creativity with performance goals, understand modern social media trends, and have experience in performance marketing, preferably in healthy lifestyle, nutrition, or fitness.

<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Requirements</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Minimum 6 months (1+ year will be an advantage) of experience as a creative producer in the performance marketing (preferably in the healthy lifestyle, nutrition, or fitness field)</li><li class="leading-relaxed">Data-driven approach</li><li class="leading-relaxed">Deep understanding of the target audience and their needs</li><li class="leading-relaxed">Ability to create and implement performing creative strategies</li><li class="leading-relaxed">Ability to create engaging and informative creative strategy and content that effectively attract users</li><li class="leading-relaxed">Experience with analytics and optimization of creatives</li><li class="leading-relaxed">Excellent communication and organizational skills</li><li class="leading-relaxed">Independent and willing to drive processes</li><li class="leading-relaxed">Flexible and adaptable in a fast-changing environment</li><li class="leading-relaxed">English proficiency at B2 level or higher</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Responsibilities</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Develop creative strategies and concepts to promote the mobile application</li><li class="leading-relaxed">Work closely with the Product and UA teams to identify the application’s key features and advantages, try different collaborative approaches to boost performance</li><li class="leading-relaxed">Optimize creatives based on analytical data and user feedback</li><li class="leading-relaxed">Conduct competitor research to analyze best practices in the market</li><li class="leading-relaxed">Create advertisements for Meta, Google, and other networks</li><li class="leading-relaxed">Organize brainstorming sessions with the team</li><li class="leading-relaxed">Write briefs for UGC, evaluate results, and make reworks to increase the results</li><li class="leading-relaxed">Collaborate with designers and illustrators to quickly test ideas</li><li class="leading-relaxed">Balance creativity with performance goals</li><li class="leading-relaxed">Combine strong ideation skills with structured thinking</li><li class="leading-relaxed">Understand modern trends across social media platforms</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Our Benefits</h2><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Corporate Events</h3><p class="my-4 text-gray-700 leading-relaxed">Despite being remote-first, we love meeting up in person, so we often organize events in our Gismart hubs</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Learning & Development</h3><p class="my-4 text-gray-700 leading-relaxed">Growth is our top priority, so we’ll cover 70% of your professional development courses and 100% of your English language courses</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Mental & Physical Health</h3><p class="my-4 text-gray-700 leading-relaxed">We provide health insurance, sports and psychotherapy reimbursement</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Time Off Policy</h3><p class="my-4 text-gray-700 leading-relaxed">18 days of paid vacation, 3 paid personal days, plus 1 day for each year at Gismart</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Flexible Public Holidays</h3><p class="my-4 text-gray-700 leading-relaxed">We have 6 fixed public holidays per year and allow you to pick 5 more whenever you want</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Sick Leave</h3><p class="my-4 text-gray-700 leading-relaxed">100% Sick Leave Compensation</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Personal Equipment Policy</h3><p class="my-4 text-gray-700 leading-relaxed">You can use our corporate devices or work on your own laptop and get a monthly depreciation compensation</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Remote-First Work</h3><p class="my-4 text-gray-700 leading-relaxed">Work from home anywhere in the world, in one of our Gismart hubs, or in a coworking space, which we’ll pay for</p>

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<p>- This assessment gives us an idea of your C++ skills<br>- Companies that evaluate this skillset in interviews: <strong>Rockstar Games, Ubisoft, Mayhem Studios, etc.</strong><br>- 10 Multiple Choice questions<br>- Average time to complete: <strong>7 to 10 minutes</strong></p>

<p>Let's assess your Data Structures! 📋<br>&nbsp;- This assessment gives us an idea of your problem solving skills using DSA<br>- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.<br>- 10 Multiple Choice questions<br>- Average time to complete: 7 to 10 minutes</p>

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<p>Let's assess your OOPs skills! 📋</p><p>- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills<br>- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.<br>- 10 Multiple Choice questions<br>- Average time to complete:<strong> </strong>7 to 10 minutes</p>

<p>Let's assess your Unity Skills 📋<br><br>- This assessment gives us an idea of your Unity fundamentals<br>- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.<br>- 9 questions: 9 Multiple Choice<br>- Minimum score needed to qualify: 80%<br>- Average time to complete: 5 to 10 minutes</p>

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Mozilla Corporation is seeking a Staff Software Engineer for 0DIN, a next-generation bug bounty program focused on securing AI services. This role involves building and scaling APIs and backend services using Ruby on Rails, implementing real-time validation and security enforcement for AI workflows, and deploying applications in cloud-native environments. The engineer will also develop Rails-based features for enterprise integration, compliance reporting, and intuitive front-end components with charting and visualization tools, ensuring high reliability and scalability. Collaboration with security researchers and product leaders to define the roadmap and mentoring engineers are also key aspects of this leadership role.

Creative Director, Firefox Marketing

Senior Communications Manager

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<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Why Mozilla?</h2><p class="my-4 text-gray-700 leading-relaxed">Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.</p><p class="my-4 text-gray-700 leading-relaxed">The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute <strong>open-source</strong> software that enables people to enjoy the internet on their terms.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">About this team and role:</h2><p class="my-4 text-gray-700 leading-relaxed">In the rapidly advancing world of technology, GenAI and deep learning models are transforming our digital interactions. 0DIN, a next-generation bug bounty program, is here to secure these AI services that are becoming essential to our daily lives.</p><p class="my-4 text-gray-700 leading-relaxed">0DIN's mission is simple: identify, fix and prevent security flaws in popular AI services. By rewarding security researchers, 0DIN aims to uncover new types of vulnerabilities in GenAI and provide those learnings to the AI builders of the future.</p><p class="my-4 text-gray-700 leading-relaxed">The rise in AI adoption, exemplified by platforms like ChatGPT, highlights the urgent need for security. 0DIN fosters a collaborative environment where innovation in security is both recognized and rewarded, ensuring these technologies remain safe and trustworthy.</p><p class="my-4 text-gray-700 leading-relaxed">0DIN is more than just an initiative; it's a testament to Mozilla's commitment to digital safety and trust.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What you’ll do:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed"><strong>Backend & System Design</strong></li><li class="leading-relaxed">Build and scale APIs and backend services, with a focus on Ruby on Rails.</li><li class="leading-relaxed">Implement real-time validation, monitoring, and security enforcement for AI-driven workflows.</li><li class="leading-relaxed">Evaluate and integrate open source and custom software solutions.</li><li class="leading-relaxed">Deploy and manage applications in cloud-native environments (Kubernetes, Terraform, multi-cloud).</li><li class="leading-relaxed"><strong>Application Development</strong></li><li class="leading-relaxed">Develop Rails-based features for enterprise integration, compliance reporting, and security workflows.</li><li class="leading-relaxed">Build intuitive front-end components, including <strong>charting and visualization tools</strong> for monitoring and analytics.</li><li class="leading-relaxed">Ensure reliability and scalability of services with performance targets (e.g., P95 <15ms latency, 99.99% availability).</li><li class="leading-relaxed"><strong>Collaboration & Leadership</strong></li><li class="leading-relaxed">Work with security researchers and product leaders to define the roadmap.</li><li class="leading-relaxed">Mentor engineers and contribute to a high-performing technical team.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What you’ll bring:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">10+ years of proven experience in backend systems, distributed infrastructure, or security engineering.</li><li class="leading-relaxed">Strong modern <strong>Ruby on Rails expertise</strong> with solid backend architecture experience.</li><li class="leading-relaxed">Deployment experience across modern cloud-native stacks (Docker, Kubernetes, Helm, Terraform, multi-cloud).</li><li class="leading-relaxed">Front-end development skills, particularly with <strong>data visualization and charting frameworks</strong> (e.g., Chart.js, echarts, or similar).</li><li class="leading-relaxed">Strong programming skills in at least one additional language (Python, Go, Rust, or Java).</li><li class="leading-relaxed">Familiarity with AI/ML security challenges (adversarial ML, content filtering, prompt injection).</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Nice to have:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Contributions to open-source security or AI projects.</li><li class="leading-relaxed">Experience with enterprise integrations (SIEM/SOAR, SOC tools, HIPAA, PCI-DSS, SOC2, ISO, GDPR).</li><li class="leading-relaxed">Background in adversarial ML research or compliance-focused security.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What success looks like:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed"><strong>90 days:</strong> Build key product features for on prem and cloud native core products.</li><li class="leading-relaxed"><strong>6 months:</strong> Build out policy creation, compliance reporting, and chart-driven analytics dashboards.</li><li class="leading-relaxed"><strong>12 months:</strong> Achieve global adoption with a secure, scalable Rails platform powering predictive defenses.</li><li class="leading-relaxed">Commitment to our values:</li><li class="leading-relaxed">Welcoming differences</li><li class="leading-relaxed">Being relationship-minded</li><li class="leading-relaxed">Practicing responsible participation</li><li class="leading-relaxed">Having grit</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What you’ll get:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Generous performance-based bonus plans to all eligible employees - we share in our success as one team</li><li class="leading-relaxed">Rich medical, dental, and vision coverage</li><li class="leading-relaxed">Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)</li><li class="leading-relaxed">Quarterly all-company wellness days where everyone takes a pause together</li><li class="leading-relaxed">Country specific holidays plus a day off for your birthday</li><li class="leading-relaxed">One-time home office stipend</li><li class="leading-relaxed">Annual professional development budget</li><li class="leading-relaxed">Quarterly well-being stipend</li><li class="leading-relaxed">Considerable paid parental leave</li><li class="leading-relaxed">Employee referral bonus program</li><li class="leading-relaxed">Other benefits (life/AD&D, disability, EAP, etc. - varies by country)</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">About Mozilla</h2><p class="my-4 text-gray-700 leading-relaxed">Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Commitment to diversity, equity, inclusion, and belonging</h2><p class="my-4 text-gray-700 leading-relaxed">Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.</p><p class="my-4 text-gray-700 leading-relaxed">We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.</p><p class="my-4 text-gray-700 leading-relaxed">We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.</p><p class="my-4 text-gray-700 leading-relaxed">Group: C</p><p class="my-4 text-gray-700 leading-relaxed">Req ID: R2943</p>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.