Senior Software Engineer Fullstack jobs at Ebay in Canada, Toronto

This role requires a unique product leader who can successfully navigate an ambiguous, fast-paced environment. You will be responsible for defining and delivering high-impact features across the entire live commerce journey, including the foundational technology platform, the global buyer experience, and the tools sellers use to broadcast, engage, and monetize their live streams. If you thrive on significant ownership, high visibility, and the chance to build the future of e-commerce, this is the role for you.

What you will accomplish:

• customer empathy with an understanding of market trends, business goals, and competitive insights.

• Drive the full product lifecycle for multiple features or a major product initiative, from initial discovery and opportunity sizing to launch, iteration, and post-launch analysis.

• Own and deliver a challenging product roadmap on time, demonstrating a strong bias for action and high-quality outcomes. You will write clear, detailed requirements (PRDs) that prioritize hypotheses for testing and iteration.

• Lead and inspire confidence among a wide range of partners, including engineering, design, data science, research, and marketing . You will foster collaboration, build alignment, and drive shared goals across all stakeholders.

• Define key success metrics, leverage data and analytics to quantify customer problems, size opportunities, and ultimately measure the impact of your work on organizational goals.

• Cultivate a knowledge of the technical architecture and backend systems for your product area to effectively partner with engineering, unblock development, and influence technical decisions.

What you will bring:

• 5+ years of product management or related strategy experience, with e-commerce, video, or social commerce experience highly preferred .

• Bachelor’s degree required ; MBA or relevant advanced degree preferred .

• Ambiguity Management: Exceptional ability to thrive in an ambiguous, 0-1 environment , distilling complex, unclear problems into a clear product vision and actionable roadmap.

• Prioritization and Tradeoffs: Demonstrated ability to evaluate options, assess trade-offs (short-term vs. long-term), and recommend a path forward, even with incomplete data.

• Influence & Communication: Masters written and verbal communication, adapting your message to influence both execution teams and executive leadership. Ability to lead and inspire without direct authority.

• Analytical Rigor:

This role focuses on hands-on design work, prototyping, and cross-functional collaboration to improve the end-to-end live seller journey. You will be challenged to balance creativity and usability, using advanced design and prototyping tools, while also building strong partnerships with key stakeholders across disciplines.

What You'll Accomplish

• Contribute to product design and UX for eBay Live seller experiences, focusing on onboarding, event setup, inventory, and post-sale workflows.

• Apply advanced mastery of Figma and prototyping tools to create, iterate, and hand off interactive design assets and user flows.

• Help develop and refine design concepts based on research and feedback from sellers, in close partnership with content and research peers.

• Collaborate effectively with cross-functional teams (engineering, product, research, content) to support the delivery of high-quality solutions that drive seller value.

• Participate in user testing, workshops, and field research to validate design decisions and gather insights.

• Present design rationale and solutions to peers and occasionally to senior stakeholders using clear storytelling and narrative techniques.

• Maintain organized and well-documented design files to ensure alignment and smooth handoff within the team.

• Stay curious about trends in live commerce, streaming platforms, and video-first experiences; actively share relevant ideas and inspiration.

What You'll Bring

• 5+ years of professional product design experience, ideally in ecommerce, live commerce, marketplace, or related seller-facing environments.

• Advance mastery of Figma and prototyping tools, with a portfolio that demonstrates impactful contributions to product design and user experience.

• Strong storytelling skills in presenting design thinking, rationale, and user journeys to team members and stakeholders.

• Demonstrated ability to collaborate with content and research peers, integrating insights and narratives into design solutions.

• Experience working with cross-functional partners to deliver end-to-end design solutions.

• Proficiency in workshop participation, user-centered research, and testing to inform design iterations.

• Inclusive, team-oriented mindset, open to feedback and dedicated to continuous personal development.

• Bonus: Experience or strong interest in streaming, live commerce, video-first platforms, or game design.

What you will accomplish:

• Lead the product strategy and roadmap for improving upper funnel experience on search

• Be a strategic problem solver and able to synthesize data from multiple sources (including analytics, user research, marketing research, and design) to identify key customer unmet needs, key solutions that can address the needs and build product vision with search item tiles

• You will work closely with a cross-functional team of engineering, design, analytics, product marketing, and user research to deliver these products

• You will lead the execution of your roadmap by working with data science, engineering, and analytics teams

• Build MVPs, iterate fast and be the champion of execution excellence

• Conduct AB tests for launch candidates and work with analytics teams to measure the impact on success metrics

• 10+ years of understanding of search and discovery systems , including familiarity with ranking models, search algorithms, and semantic search

• Experience in personalization and recommender systems , ideally using real-time data

• Strong analytic skills and ability to synthesize data from multiple sources

• Passionate advocate for user, and has confirmed results in achieving superb user experience within tight constraints

• Demonstrated leadership ability, self-motivated and directed, entrepreneurial ability to innovate quickly

The Impact You Will Make Here

The Senior Software Engineer is responsible for coordinating the design, development, and implementation of software solutions. This role combines technical expertise with leadership skills to guide a team of developers, ensure outstanding deliverables, and drive the successful completion of projects. Candidates must have in-depth software development expertise, proven ability to deliver complex solutions, hands-on experience with Java and GCP, and capability to lead a small engineering team autonomously.

• Architect, design, develop and test complex, multi-tier distributed Warehouse Management System software systems

• Lead architecture discussions, develop well-documented design docs, and facilitate development and code reviews ensuring alignment with industry standards

• Work with product managers, collaborators, and cross-functional teams to build software solutions that fulfill functional and non-functional needs, establish project plans and deliverables

• Estimate engineering effort, plan execution cycles, and roll out system changes

• Identify and address performance bottlenecks in software systems & ensure systems are secure, scalable, and maintainable

• Write Unit and Integration tests and ensure software developed meets high quality standards

• Stay updated on emerging technologies and integrate them into development processes whenever applicable

• Function as a team leader utilizing communication, leadership, and problem-solving skills

What You Bring to the Team

• Bachelor’s degree in Computer Science or related field plus 8+ years of experience or Master’s degree in Computer Science or related field plus 7+ years of hands-on experience in building large-scale distributed systems

• Strong expertise in front-end technologies such as HTML, CSS, JavaScript, and React

• Strong expertise in designing and developing REST API

• Extensive hands-on experience and expertise in object-oriented design methodology and application development using Java/J2EE and Kotlin, including frameworks such as Spring Boot

• Hands-on experience with Google Cloud Platform (GCP), particularly in Google Cloud Run and deployment pipelines

• Deep understanding of SQL Databases, with an emphasis on Postgres. Familiarity with tuning systems, architecture, thread management, and problem analysis

• Expertise with Terraform deployments
  

This role is focused on Data Platform Engineering — not data engineering. While familiarity with Spark, Flink, and other tools in the Hadoop ecosystem is valuable, your primary responsibility will be building and evolving the platform itself, not just authoring data pipelines.

• Own and deliver major components of eBay’s Data Platforms — from design through production rollout.

• Design and evolve distributed systems powering ingestion, streaming, lakehouse/warehouse, catalog, and governance.

• Contribute to long-term architecture through design reviews and authoring architecture design documents, ensuring scalability and resilience.

• Build systems that balance latency, correctness, and cost while ensuring security and compliance.

• Drive operational excellence for services you own, including observability and incident response.

• Collaborate across product, infra, and analytics teams to align execution with business needs.

• Learn and grow in areas like governance, orchestration, and privacy engineering.
  

• Experience designing large-scale distributed systems (compute, storage, APIs, streaming).

• Ability to independently deliver complex projects from requirements to production.

• Systems thinker who anticipates bottlenecks, schema evolution, and reliability issues.

• Strong communication skills to influence cross-team technical outcomes.

• Growth mindset with curiosity to learn new technologies.
  

• Impact at scale: powering global analytics and ML systems.

• Challenging problems: streaming, freshness/correctness, and multi-cloud resiliency.

• Collaborative culture that values inclusion and knowledge sharing.

• Support & growth: flexibility, benefits, and career development resources.

• Focus on reliability and sustainable on-call practices.
  

• 8+ years of distributed systems or data platform experience.

• Proven ability to design and deliver critical systems with impact.

• Proficiency in Java/Python, CI/CD, and containerized environments.

• Hands-on expertise in tools like Kafka/Flink, Spark, Delta/Iceberg, Kubernetes, NoSQL/columnar stores.

• Experience in streaming and batch data platforms.

• Strong foundation in algorithms and distributed design.

• BS/MS in CS or equivalent experience.

MTS 2, Software Engineer, Data Platform

Job Type: Full-time

This role is focused on Data Platform Engineering not data engineering . While familiarity with Spark, Flink , and other tools in the Hadoop ecosystem is valuable, your primary responsibility will be building and evolving the platform itself , not just authoring data pipelines.

• major components of eBay’s Data Platforms — from design through production rollout.

• Design and evolve distributed systems powering ingestion, streaming, lakehouse/warehouse, catalog, and governance.

• Contribute to long-term architecture through design reviews and authoring architecture design documents, ensuring scalability and resilience.

• Build systems that balance latency , correctness , and cost while ensuring security and compliance.

• Drive operational excellence for services you own, including observability and incident response.

• Collaborate across product , infra , and analytics teams to align execution with business needs.

• Learn and grow in areas like governance , orchestration , and privacy engineering .
  

• Experience designing large-scale distributed systems (compute, storage, APIs, streaming).

• Ability to independently deliver complex projects from requirements to production.

• Systems thinker who anticipates bottlenecks, schema evolution, and reliability issues.

• Strong communication skills to influence cross-team technical outcomes.

• Growth mindset with curiosity to learn new technologies.
  

• Impact at scale : powering global analytics and ML systems.

• Challenging problems : streaming, freshness/correctness , and multi-cloud resiliency.

• Collaborative culture that values inclusion and knowledge sharing.

• Support & growth : flexibility, benefits, and career development resources.

• Focus on reliability and sustainable on-call
  

• 8+ years of distributed systems or data platform experience.

• Proven ability to design and deliver critical systems with impact.

• Proficiency in Java/Python , CI/CD , and containerized environments.

• Hands-on expertise in tools like Kafka/Flink , Spark , Delta/Iceberg , Kubernetes , NoSQL/columnar stores .

• Experience in streaming and batch data platforms.

• Strong foundation in algorithms and distributed design .

• BS/MS in CS or equivalent experience.