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As a Software Engineer in Backend Development at Appier, you will be responsible for designing flexible and scalable backend architectures with optimized performance. You will develop and operate service-based software and related components, collaborating with team members on system design and technology selection. Your responsibilities include designing server-side architecture and function logic, maintaining database schemas, ensuring system scalability and high performance, integrating front-end modules, and contributing to platform foundations. You will also be involved in performance tuning, deployment, monitoring, and participating in idea brainstorming. This role requires participation in on-call rotations to ensure product reliability and scalability.

Senior Software Engineer, Backend Development (BotBonnie)

About Appier&nbsp; Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit <a href="http://www.appier.com">www.appier.com</a> for more information. About the role Software Engineer, Backend Development at Appier focus on designing the most flexible, scalable backend architecture with optimized performance to pave the engineering road of our new products. &nbsp; Responsibilities <ul> <li style="font-weight: 400;">Developing and operate scalable, reliable and maintainable service-based softwares and related components.</li> <li style="font-weight: 400;">Cowork with team members to design system architecture, choose proper technologies and plan development.</li> <li style="font-weight: 400;">Design &amp; develop server-side architecture &amp; function logic of new services </li> <li style="font-weight: 400;">Design and maintain database schemas for new services </li> <li style="font-weight: 400;">Ensures the scalability of the system </li> <li style="font-weight: 400;">Ensure the high performance of responsiveness to requests from the front-end </li> <li style="font-weight: 400;">Integrate the front-end modules built by your coworkers into new services </li> <li style="font-weight: 400;">Responsible for laying the foundation for the platform as well as proposing solutions to ease software development, monitoring of software, etc.</li> <li style="font-weight: 400;">Profiling and performance tuning of critical components</li> <li style="font-weight: 400;">Deploy system to production and monitor service health</li> <li style="font-weight: 400;">Participate in idea brainstorming and contribute ideas to technology, algorithms and products</li> <li style="font-weight: 400;">Participate on-call rotation within Backend team to ensure product reliability and scalability</li> </ul> About you [Minimum qualifications] <ul> <li style="font-weight: 400;">BS/BA degree in Computer Science or related field with 3+ years experience in related industry </li> <li style="font-weight: 400;">Ability to build web services on Linux.</li> <li style="font-weight: 400;">Good at any of the listed language: Python/Scala/Go/Node.js/Java.</li> <li style="font-weight: 400;">Good knowledge of Network API Design ( e.g. REST or GraphQL).</li> <li style="font-weight: 400;">Good understanding of any SQL/NoSQL database (MySQL / MongoDB / Redis / etc.)</li> <li style="font-weight: 400;">Familiar with git.</li> <li style="font-weight: 400;">Team player and able to work independently.</li> <li style="font-weight: 400;">Proactive, good interpersonal and problem-solving skill.</li> </ul> &nbsp; [Preferred qualifications] <ul> <li style="font-weight: 400;">MS degree in Computer Science or related field.</li> <li style="font-weight: 400;">Good at profiler and debugging tools.</li> <li style="font-weight: 400;">High performance network service on Linux.</li> <li style="font-weight: 400;">Design and architect large scale distributed system.</li> <li style="font-weight: 400;">Design and implement distributed algorithm and data structure.</li> <li style="font-weight: 400;">Familiar with HTML and Javascript.</li> <li style="font-weight: 400;">Familiar with Nginx / HAProxy.</li> <li style="font-weight: 400;">Familiar with operation automation tool (such as Ansible).</li> <li style="font-weight: 400;">Familiar with continuous integration / continuous deployment</li> <li style="font-weight: 400;">Familiar with monitoring and alert system (Prometheus / Nagios).</li> <li style="font-weight: 400;">Familiar with functional programming.</li> <li style="font-weight: 400;">Familiar with Amazon Web Service or Google Compute Engine.</li> </ul> #LI-AK1

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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

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Roblox

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As a Distinguished Engineer in Machine Learning for Safety at Roblox, you will lead the technical vision and execution of machine learning initiatives to ensure user safety and civility. You will be responsible for crafting and building large-scale machine learning models, mentoring engineers, and collaborating with cross-functional teams. This role involves making technical decisions, ensuring system reliability, and contributing to a safe and inclusive environment. You will report to the VP of Engineering for Trust and Safety.

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<div class="content-intro">Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.</div>As a Technical Director in the Safety organization at Roblox, you will drive the overall technical vision and execution for all machine learning initiatives focused on maintaining the safety and civility of our users. Our industry-leading safety features ensure Roblox remains a safe and inclusive environment for our community to express themselves creatively and share experiences without fear. The Safety org is the reason why Roblox is the safest place on the internet, protecting users You will be reporting to the VP of Engineering for Trust and Safety.from a content-focused perspective as the platform scales to serve different age groups and geographic locations. <h2>You Will:</h2> <ul> <li>Own the technical direction and implementation of machine learning solutions for safety-related systems</li> <li>Lead and mentor other engineers, fostering a culture of technical excellence and inclusivity</li> <li>Break down long-term product requirements into iterative deliverable stages, ensuring continuous improvement</li> <li>Craft and build large-scale machine learning models with billions of parameters, ensuring production-readiness</li> <li>Facilitate challenging technical decisions across multiple teams, demonstrating empathy and finding common understanding</li> <li>Collaborate with cross-functional teams to define and prioritize the machine learning roadmap</li> </ul> <h2>You Have:</h2> <ul> <li>15+ years of experience delivering and improving large-scale machine learning systems</li> <li>Proven expertise in creating and launching machine learning models from scratch</li> <li>Ability to handle data problems, train models with large datasets, and ensure system reliability at scale</li> <li>Experience with distributed systems, data architecture, and model extraction</li> <li>Strong programming skills and willingness to be hands-on as necessary</li> <li>Prior experience in a leadership role with a technical focus, including mentoring engineering teams</li> </ul> <h2>You Are: </h2> <ul> <li>A creative and strategic problem-solver, able to simplify complex issues while integrating fresh ideas</li> <li>Committed to fostering a diverse and inclusive workplace where everyone feels valued and supported</li> <li>Passionate about maintaining deep technical expertise while meeting end-user needs</li> <li>Knowledgeable about cutting-edge ML technologies, including LLMs</li> <li>Experienced in NLP or computer vision (preferred)</li> <li>Familiar with maintaining and evolving safety systems at scale (preferred)</li> </ul><div class="content-pay-transparency"><div class="pay-input"><div class="description">For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits.</div><div class="title">Annual Salary Range</div><div class="pay-range">$391,590—$448,990 USD</div></div></div><div class="content-conclusion">Roles that are based in our San Mateo, CA Headquarters are in-office Tuesday, Wednesday, and Thursday, with optional in-office on Monday and Friday (unless otherwise noted). You’ll Love: <ul> <li>Industry-leading compensation package</li> <li>Excellent medical, dental, and vision coverage</li> <li>A rewarding 401k program</li> <li>Flexible vacation policy (varies by exemption status)</li> <li>Roflex - Flexible and supportive work policy </li> <li>Roblox Admin badge for your avatar</li> <li>At Roblox HQ: </li> <ul> <li>Free catered lunches five times a week and several fully stocked kitchens with unlimited snacks</li> <li>Onsite fitness center and fitness program credit</li> <li>Annual CalTrain Go Pass</li> </ul> </ul> Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations for all candidates during the interview process.</div>

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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.