Senior Software Developer jobs in Canada
Ebay Senior Product Manager eBay Live Canada, Ontario, Toronto
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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:
These jobs might be a good fit
Ebay Senior Product Designer - eBay Live Canada, Ontario, Toronto
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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.
Ebay Senior Product Manager Upper Funnel Canada, Ontario, Toronto
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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
Ebay MTS Software Engineer Canada, Ontario, Toronto
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Job Title: MTS 1, Software Engineer
Start Date: January 19, 2026
days per annum , 5 sick days per annum
highly available
deployment
Identify project technical risks and make recommendations to mitigate
Use deep technical proven experience of company systems and applications, which could cover applications, services, systems, or frameworks
a high level of initiative and attention to detail during daily operations
Collaborate effectively with other engineers, product managers, designers, and QA engineers
Encourage peers with high-quality, hands-on technical contributions
methodology , design, and best practices.
Consistently produce high-quality software with a focus on unit testing, regular code reviews, and continuous integration.
high standards in quality and operational excellence.
Develop comprehensive technical documentation and presentations to clearly communicate architectural decisions and design options. Ensure documentation aligns with project scopes, milestones, and deliverables.
Effectively delegate tasks and responsibilities within the team, considering individual skills and workload
Lead the development of prototypes and proof-of-concept implementations for new technologies or approaches.
Required Experience
The language of work is English.
Bachelor of Engineering degree plus 8 or more years of experience ; or MS in Computer Science plus 6 or more years of hands-on experience in developing highly scalable distributed platforms and services and internet scale web application
Highly experienced in application development in JAVA and Kotlin and its related frameworks such as like Spring, Spring Boot, Hibernate, Stream processing platforms such as Kafka and Flink ;
in Oracle ADF 12c Framework, JavaScript , HTML and
in J2EE, SOAP, SOA Services, Design Patterns, OOA/D, Data Structures, XML, REST, JSON, and Internet Protocols ;
in a programming language such as Scala, solid base in data structures, algorithms and a strong understanding of multithreading, synchronization, concurrent programming; deep architectural understanding of system design and lead ing
noSQL data technology such as Mongo , ElasticSearch and related toolset ;
in Spring boot and Hadoop framework ;
in retail and logistics ;
ility to troubleshoot performance bottlenecks in
participating in design and code reviews, coding and unit testing of fault-tolerant applications. Comfortable or have familiarity with all the layers of multi-tier applications to craft complete solutions and maintain products
Solid understanding of computer science fundamentals. Experience in non-functional skills like Security, Load and Performance Tests, Accessibility, Site Speed optimization, Cross-browser /Cross-platform UX Design
Excellent verbal and written communication, leadership, and collaboration skills
Unity Staff Backend Developer Unity Ads / Développeur Backend Prin... Canada, British Columbia, Area F (McConnell Creek/Hatzic Prairie)
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The opportunity
Unity is looking for a Staff Backend Developer to join our Unity Ads team, where we build the real-time systems that power Unity’s global advertising platform. This is a high-scale, low-latency environment — processing billions of requests daily to deliver fast, relevant ads to players around the world. Our backend infrastructure is designed for reliability and scalability, ensuring seamless ad delivery and optimal performance even under heavy traffic.As part of the team, you will work on distributed systems that handle real-time ad requests, impression tracking, and user data analytics with strict requirements for uptime and security. You'll play a critical role in optimizing performance, maintaining service availability, and supporting the development of new monetization features for game developers worldwide. Security, data privacy, and a positive user experience are central to everything we build.
You’ll help modernize the legacy tech stack and the core services behind ad delivery, bidding, reporting, and analytics. This is a great opportunity for an engineer who’s excited to work on performance-critical systems, collaborate across teams, and grow in a fast-paced environment, all at a turning point in the company.
What you'll be doing
- Design, build, and modernise backend services and APIs that support ad delivery
- Work on scalable, high-availability systems used across Unity’s ads ecosystem
- Collaborate with engineers, product managers, and data teams to deliver new features
- Improve performance, observability, and cost-efficiency of current backend systems, modernising the legacy stack
- Contribute to architectural decisions and technical direction of the platform
What we're looking for
- Experience building backend services at scale
- Proficiency in Golang, and relational databases (e.g., MySQL)
- Familiarity with cloud infrastructure and observability tools (Kubernetes, Ray, etc.)
- Understanding of API design, distributed systems, and system reliability
- Strong collaboration and communication skills in a remote-first team environment
You might also have
- Experience in ad tech, programmatic advertising, or real-time bidding systems
- Background with infrastructure-as-code (e.g., Terraform)
- Familiarity with networking, caching, or real-time data pipelines
Additional information
- Relocation support is not available for this position.
- Work visa/immigration sponsorship is not available for this position
Life at Unity
We offer a wide range of benefits designed to support employees' well-being and work-life balance. You can read more about them on our .Unity [NYSE: U] is the leading platform to create and grow games and interactive experiences. Creators, ranging from game developers to artists, architects, automotive designers, infrastructure experts, filmmakers, and more, use Unity to bring their imaginations to life across multiple platforms, from mobile, PC, and console, to spatial computing.
As of the third quarter of 2024, more than 70% of the top 1,000 mobile games were made with Unity, and in 2024, Made with Unity applications had an average of 3.7 billion downloads per month. For more information, please visit .
Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out to let us know.
This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.
Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.
Your privacy is important to us. Please take a moment to review our and . Should you have any concerns about your privacy, please contact us at .
L'opportunité
Unity est à la recherche d'un(e) développeur(se) backend senior pour rejoindre notre équipe Unity Ads, où nous construisons des systèmes en temps réel qui alimentent la plateforme publicitaire mondiale de Unity. C'est un environnement à grande échelle et à faible latence — traitant des milliards de requêtes par jour pour livrer des publicités rapides et pertinentes aux joueur(se)s du monde entier. Notre infrastructure backend est conçue pour la fiabilité et l'évolutivité, garantissant une livraison d'annonces sans faille et des performances optimales même en cas de trafic intense.En tant que membre de l'équipe, vous travaillerez sur des systèmes distribués qui gèrent les requêtes publicitaires en temps réel, le suivi des impressions et l'analyse des données des utilisateur(rice)s avec des exigences strictes en matière de disponibilité et de sécurité. Vous jouerez un rôle crucial dans l'optimisation des performances, le maintien de la disponibilité du service et le soutien au développement de nouvelles fonctionnalités de monétisation pour les développeur(se)s de jeux du monde entier. La sécurité, la confidentialité des données et une expérience utilisateur(rice) positive sont au cœur de tout ce que nous construisons.
Vous aiderez à moderniser l'ancienne stack de technologie et les services principaux derrière la livraison des annonces, les enchères, les rapports et l'analyse. C'est une excellente opportunité pour un(e) développeur(se) qui est enthousiaste à l'idée de travailler sur des systèmes critiques en termes de performance, de collaborer avec différentes équipes et de grandir dans un environnement dynamique, à un moment charnière pour l'entreprise.
Ce que vous allez faire
- Concevoir, construire et moderniser des services backend et des API qui prennent en charge la diffusion des annonces.
- Travailler sur des systèmes évolutifs et à haute disponibilité utilisés dans l'écosystème publicitaire de Unity.
- Collaborer avec des développeur(se)s, des chef(fe)s de produit et des équipes de données pour livrer de nouvelles fonctionnalités.
- Améliorer les performances, l'observabilité et l'efficacité des coûts des systèmes backend actuels, en modernisant l'ancienne pile.
- Contribuer aux décisions architecturales et à la direction technique de la plateforme.
Ce que nous recherchons
- Expérience dans la création de services backend à grande échelle.
- Maîtrise du Golang et des bases de données relationnelles (par exemple, MySQL).
- Familiarité avec l'infrastructure infonuagique et les outils d'observabilité (Kubernetes, Ray, etc.).
- Compréhension de la conception d'API, des systèmes distribués et de la fiabilité des systèmes.
- Solides compétences en collaboration et en communication dans un environnement d'équipe à distance.
Vous avez peut-être également
- Expérience en technologie publicitaire, publicité programmatique ou systèmes d’enchères en temps réel.
- Connaissance de l'infrastructure en tant que code (par exemple, Terraform).
- Familiarité avec les réseaux, le cache ou les pipelines de données en temps réel
Information supplémentaire
- Le support à la relocalisation n’est pas disponible pour ce poste.
- Un visa de travail ou un parrainage de l’immigration n’est pas disponible pour ce poste.
La vie chez Unity
Nous offrons une large gamme d’avantages visant à soutenir le bien-être de nos employé(e)s et favoriser l’équilibre entre vie professionnelle et vie personnelle. Vous pouvez en lire davantage sur notre .Unity [NYSE: U] est la principale plateforme pour créer et développer des jeux ainsi que des expériences interactives. Des créateurs, allant du développeur de jeux aux artistes en passant par les architectes, les concepteurs automobiles, les experts en infrastructure, les cinéastes et plus encore utilisent Unity pour donner vie à leur imagination à travers plusieurs plateformes, notamment mobile, PC et console ainsi que l’informatique spatiale.
Au quatrième trimestre 2024, plus de 70% des 1000 jeux mobiles les mieux classés ont été réalisés avec Unity, et en 2024, les applications créées avec Unity ont enregistré en moyenne 3,7 milliards de téléchargements par mois. Pour plus d’informations, veuillez consulter le site .
Unity est un employeur fier de garantir l’égalité des chances. Nous nous engageons à favoriser un environnement inclusif et innovateur et à célébrer nos employés à travers l’âge, l’éthinicité, la couleur, l’ascendance, l’origine nationale, la religion, le handicap, le sexe, l’identité ou l’expression de genre, l’orientation sexuelle ou tout autre statut protégé conformément à la loi applicable. Si vous êtes en situation de handicap ou avez des besoins spécifiques nécessitant des aménagements pour que votre entretien se déroule dans les meilleures conditions, nous vous invitons à remplir afin de nous en informer et que nous puissions faire le nécessaire.
Ce poste exige que son ou sa titulaire possède une connaissance de l’anglais qui soit suffisante pour lui permettre d’avoir des échanges professionnels verbaux et écrits dans cette langue, puisque l’accomplissement des tâches liées à ce poste nécessite des communications fréquentes et régulières avec des collègues et partenaire situés à l’échelle mondiale et dont la langue commune est l’anglais.
Les chasseurs de têtes et les agences de recrutement ne peuvent pas soumettre résumes/CV par ce site Web ou directement aux superviseurs. Unity n’accepte pas des chasseurs de têtes non sollicités et des résumés (CV) d’agence. Unity ne payera pas d’honoraires à aucune agence tierce ou entreprise qui n’a pas signé d’ententes avec Unity.
La protection de votre vie privée est importante pour nous. Veuillez prendre un moment pour consulter nos politiques de confidentialité pour et les . Si vous avez des questions concernant la protection de votre vie privée, veuillez nous contacter à DPO@unity.com.
#SEN #LI-JG1
*Note: Certain locations require a good faith disclosure of the base salary range for the role. The actual salary for the successful candidate may differ based on location, experience, and other job-related factors.
Gross base salary$153,000—$210,908 CADEbay Senior Software Engineer Fullstack Canada, Ontario, Toronto
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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
Ebay MTS Software Engineer Data Platform Canada, Ontario, Toronto
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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.
What you’ll do and learnOwn 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.
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:
These jobs might be a good fit
