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You will be responsible for creation of concept, design, development, testing and maintenance of applications for reliability, security, manageability, scalability, extensibility, performance, and re-use; provides technical expertise in the areas of architecture, design, and implementation. Works with technical and business team members to create excellent software. You will help determine the best implementation that will meet the design of the Application Architect. Ensures that thorough unit and component testing is carried out. Sets and adheres to software coding and style guides to ensure consistency.
What you will accomplish:
What you will bring:
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What you'll do and learn:
Develop features and services in highly scalable and reliable frontend and/or backend systems in a distributed system environment.
Able to translate product and design documents into clean, high-quality, well-tested and maintainable production code autonomously
Write test automations and practice continuous integration.
Conduct code review for the immediate team.
Develop and maintain technical documentation to support software applications.
Practices evidence-centered design making features testable, ensuring high quality and improving velocity in continuous delivery.
Accountable for multiple subsystems within a larger domain, taking full responsibility for their entire life cycle, including design, development, testing, deployment, observability and monitoring.
Propose and evaluate multiple design options, providing estimates for each.
Structure and complete tasks independently, meeting deadlines and milestones.
Effectively communicate assumptions and seek clarification from stakeholders, ensuring alignment and understanding across all domains.
Lead engineering support, release, and on-call responsibilities for an "always-on" 24/7 site.
Innovative, team player, excellent communication and decision-making
Strong learning ability, self-driven
Excited about new and innovative technologies within immediate field of expertise
Attending knowledge sharing sessions, both within the company and externally
We are driving the transformation of post purchase experiences with Cancellations, Returns, Refunds, eBay Money Back Guarantee, Chargebacks, and Seller Standards products to strengthen trust on the eBay platform. By focusing on simplification, personalization, and modernization, we aim to build world-class buyer and seller experiences on eBay marketplaces with creativity and passion. Utilizing cutting-edge technologies like Generative AI, you'll tackle complex challenges that directly improve the post purchase experience for millions of eBay users everyday.
Vibrant Culture - At Buyer Experiences, our strength lies in our diversity, transparency, and collaborative spirit. Our open culture ensures every voice is valued and heard. We celebrate our successes together and approach each challenge as an opportunity for collective growth. Be a part of a dynamic community that not only values your expertise but is also committed to your personal and professional growth.
Flexible Working - Enjoy exceptional support for remote work, allowing you to balance your professional and personal life seamlessly.
Competitive Compensation and Benefit - No matter where you are in the world, eBay supports your health and wellbeing with benefits as unique as you. Explore the benefits that help you be your best self. Check out our benefits here:
Bachelor's degree in EE, CS or other related field or equivalent exp.
4+ years of experience working in front-end development using Javascript/Typescript, CSS, React, NodeJS, Server-side rendering using one of the open-sourced UI libraries (Material UI/Ant UI), Integration with REST/GraphQL APIs
Strong portfolio demonstrating BEM-structured CSS and understand the intricacies of how browsers work
Strong CS foundation (Data structures, Algorithms, Functional Programing)
Delivers results in fast-paced environments (agile, TDD, CI/CD)
Designs and builds scalable, distributed, available systems

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Proven expertise in Python and ML libraries such as scikit-learn, TensorFlow, PyTorch, Keras.
Strong understanding of machine learning fundamentals, algorithms, and model evaluation techniques.
Hands-on experience with ML Ops tools and best practices.
Proficiency in working with large scale data in hadoop and spark.
Proficient with prediction accuracy, latency, throughput, confidence scores, and drift (data & concept).

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What you will accomplish:
What you will bring:

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This person will need to work with a large number of teams within eBay to make these visions successful, so building close, effective relationships with partner Product Managers will be critical. In addition, this person will translate product strategy into detailed specifications, make functional and user interface design tradeoffs, manage product launches and own the product successes post-launch. Having the experience and ability to write clear, consistent and detailed product specs will be essential. He or she will work closely with a cross-functional team of engineering, analytics, product marketing, and user research to deliver these products.
Job Requirements:
Basic Qualifications:

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Responsibilities:
Analyze eBay’s large and rich datasets, drive insights from data to diagnose the root cause behind trends and ultimately improve our user experience.
Build machine-learning models to predict user behaviors and infer marketing performance, support business decisions through trusted and well-defined model results.
Measure and optimize ongoing performance for marketing activities based on data-driven insights, understand key drivers and identify new marketing opportunities by focusing on bankable metrics. Deep-dive into campaign performance and provide insights into what is working and why
Mine data to optimize marketing campaigns, revenue growth, and customer experiences. Perform customer segmentation to understand target audiences better.
Develop strategies for channel optimization and content strategy.
Design, develop, and execute experimentation frameworks, including A/B testing and uplift modeling, to measure marketing effectiveness.
Develop and implement solutions for Marketing Mix Modeling (MMM) and Marketing Attribution (MTA).
Provide data support for business operation, design self-service tools, dashboards etc.
Communicate business performance in a clear and insightful way to the business.
Develop, improve and systemize crisp & accurate reporting. Streamline processes and identify/execute on automation and time-saving opportunities. Leads automation of recurring tasks.
Translates business problems into a scientific formulation for an AI/Analytics Product solution. Defines requirements and collaborates with engineers to build and productionize AI enabled Analytics Products
Job Skills required:
Intellectual curiosity, passion for problem-solving, and comfort with ambiguity.
A passion for understanding and serving the unique community of eBay.
Sound business judgment and quantitative analytic ability.
Strong communication skills and experience presenting complex quantitative analysis into action-oriented recommendations.
Understand a variety of machine-learning techniques (regression, clustering, decision tree learning, etc.) and their real-world advantages/drawbacks.
Effective team player and works well within a team and contributes effectively to the success of those interactions regularly.
Prior experience or deep knowledge of Performance Marketing and/or Brand Marketing will be highly preferred.
Desired Qualifications:
BA/BS in Mathematics, CS, Statistics, Economics, Business, or other related fields.
5+ years hands-on work experience in data analysis, with a focus on onsite web analytics, A/B testing, machine learning and report automation.
Skilled in database query tools utilizing SQL, and Hadoop experience is a plus.
Good Excel and PowerPoint skills, proficiency with statistical analysis tools such as Python or R.
Knowledge of AI tools and techniques, such as Gemini, GPT, LLMs etc.

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As a senior engineer, you'll take part throughout the product development lifecycle—from conceptual design to product launch—while working closely with Product Managers, Designers, and Architectural teams.
What you'll do and learn:
Develop features that are modular and loosely coupled
Able to translate product and design documents into clean, high-quality, crash-free, well-tested and maintainable production code autonomously
Write unit tests and automation code for all shipped features
Conduct code review for immediate team
Develop and maintain technical documentation to support software applications.
Propose and evaluate multiple design options, providing estimates for each.
Structure and complete tasks independently, meeting deadlines and milestones.
Effectively communicate assumptions and seek clarification from stakeholders, ensuring alignment and understanding across all domains.
What you will bring:
4+ years professional experience in native mobile development
Understanding of advanced swift features such as generics / concurrency mgmt /
Experience with dependency management tools in iOS - SPM/Cocoapods/Carthage etc
Basic understanding of system design for large scale consumer mobile applications
Familiarity with CI/CD tools
Experience implementing modern platform design patterns
Understanding of testing iOS applications using platform tools
Experience with production monitoring
Basic proficiency with swift memory management
Strong learning ability, self-driven
Excited about new and innovative technologies within immediate field of expertise
Attending knowledge sharing sessions, both within the company and externally
Innovative, team player, excellent communication and decision-making
Bachelor's degree in EE, CS or other related field or equivalent exp.

You will be responsible for creation of concept, design, development, testing and maintenance of applications for reliability, security, manageability, scalability, extensibility, performance, and re-use; provides technical expertise in the areas of architecture, design, and implementation. Works with technical and business team members to create excellent software. You will help determine the best implementation that will meet the design of the Application Architect. Ensures that thorough unit and component testing is carried out. Sets and adheres to software coding and style guides to ensure consistency.
What you will accomplish:
What you will bring:
These jobs might be a good fit