Rakuten Kobo Inc.

Company Name: Rakuten Kobo Inc.
Job Title: .NET Software Engineer III (12 month contract)
Job Description: **Job Title:** .NET Software Engineer III (12‑month contract) **Role Summary:** Senior .NET engineer responsible for driving the migration of a legacy monolith to a micro‑services architecture. Works in two phases: establishing the platform foundation and upgrading code to .NET 8, then enabling product teams to adopt the new platform and refine it. Operates in a “you build it, you run it” environment, collaborating closely with cross‑functional teams and handling production support. **Expectations:** - Deliver a stable micro‑services foundation within the first 6 months. - Upgrade and refactor existing .NET Framework code to .NET 8, resolving incompatibilities. - Guide product teams in decomposing and migrating domain code. - Maintain high code quality, unit‑test coverage, and operational reliability. - Communicate technical concepts clearly to both technical and non‑technical stakeholders. **Key Responsibilities:** - Analyze and untangle complex dependencies in the legacy monolith. - Design and implement core platform services, APIs, and containerized deployments (Kubernetes). - Manage package upgrade paths and resolve migration issues. - Apply Domain‑Driven Design principles to restructure codebases. - Provide hands‑on support and mentorship to product teams during migration. - Participate in code reviews, testing, monitoring, and production incident resolution. - Contribute to architectural documentation and technical roadmaps. **Required Skills:** - Extensive experience migrating large monoliths to micro‑services. - Deep expertise in C# and .NET, including upgrading from .NET Framework to .NET 8. - Strong knowledge of Domain‑Driven Design and refactoring patterns. - Proficiency with distributed systems (message queues, REST APIs, eventual consistency). - Experience with containerization (Docker) and orchestration in Kubernetes. - Solid unit‑testing practices and emphasis on code quality. - Ability to troubleshoot complex production issues. - Excellent verbal and written communication for cross‑functional collaboration. - Experience with mono‑repo and multi‑repo codebases is a plus. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). - Relevant certifications (e.g., Microsoft Certified: Azure Developer Associate) are advantageous but not mandatory.

Toronto, Canada

On site

11-10-2025

Company Name: Rakuten Kobo Inc.
Job Title: Product Designer (6 month contract)
Job Description: **Job Title:** Product Designer (6 Month Contract) **Role Summary:** Contract position requiring a collaborative product designer to contribute to cross-functional teams focused on enhancing digital reading experiences across platforms. **Expectations:** Demonstrate strong design thinking, user-centered research, accessibility expertise, and proficiency in UX/UI tools. Foster collaboration, align with global teams, and deliver innovative solutions aligned with business and user needs. **Key Responsibilities:** - Collaborate with architects, developers, researchers, and product owners across platforms (eReader, apps, web). - Translate research insights and requirements into user-centric design solutions. - Participate in design strategy, roadmap planning, and implementation of design systems. - Facilitate stakeholder workshops, measure design outcomes, and ensure WCAG compliance. - Create wireframes, prototypes, and design specifications for agile development teams. **Required Skills:** - Proficient in Figma/FigJam for design delivery and collaboration. - Experience in user research, prototyping, and accessibility principles (WCAG). - Strong communication and stakeholder facilitation skills. - Ability to articulate design processes and decisions effectively. **Required Education & Certifications:** - Minimum 2–3 years of experience as a product designer, UX designer, or equivalent. - Portfolio showcasing design artifacts (wireframes, interaction specs, personas, etc.). - No formal education or certifications specified.

Toronto, Canada

On site

Junior

11-10-2025

Company Name: Rakuten Kobo Inc.
Job Title: Senior Frontend Developer (12 month contract)
Job Description: **Job title** Senior Frontend Developer – Purchasing (12‑month contract) **Role Summary** Design, develop, test, deploy and monitor web applications for the Purchasing domain within an R&D team. Collaborate across functional teams, adopt modern frontend frameworks (React/Next/Remix), implement accessibility, perform unit and end‑to‑end testing, and maintain CI/CD pipelines and observability. **Expectations** - Deliver high‑quality, accessible, performant code on schedule. - Maintain clear, self‑documented development processes. - Provide constructive peer reviews and actionable feedback. - Monitor application health and continuously improve observability and performance metrics. **Key Responsibilities** - Design and implement responsive web components using React, NextJS or Remix with Tailwind CSS. - Write and maintain TypeScript, HTML, CSS/SCSS codebases. - Conduct unit tests (React Testing Library, Jest) and E2E tests (Playwright). - Integrate and manage CI/CD workflows (GitHub Actions, Azure DevOps, Jenkins). - Configure monitoring/logging (Datadog, Kibana) and optimize Lighthouse scores. - Document processes and perform code peer reviews. - Collaborate with product, design, and backend teams to refine requirements and solutions. - Perform regression testing and validate software stability post‑deployments. - Monitor application health and proactively address issues. **Required Skills** - Advanced proficiency in ReactJS with ancillary frameworks (NextJS, Remix). - Strong TypeScript, JavaScript, HTML5, CSS/SCSS, and Tailwind CSS expertise. - Experience building accessible UI components following WCAG standards. - Expertise in unit testing (React Testing Library, Jest) and E2E testing (Playwright). - Familiarity with CI/CD practices and tools (GitHub Actions, Azure DevOps, Jenkins). - Competence in observability tools (Datadog, Kibana). - Knowledge of version control (Git) and code review workflows. **Nice to Have** - Storybook for component documentation. - Docker and Kubernetes containerization. - Experience in a .NET ecosystem. - Familiarity with MS SQL, RavenDB. - Background in Purchasing domain or relevant industry. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent experience. - No mandatory certifications, but experience with relevant tools and standards is required.

Toronto, Canada

On site

Senior

03-11-2025

Company Name: Rakuten Kobo Inc.
Job Title: Software Engineer III - Store Browse
Job Description: Job Title: Software Engineer III – Store Browse Role Summary: Senior software engineer responsible for the full lifecycle of web applications within Kobo’s Store Browse team, delivering user‑centric features using modern React/Next.js front‑end and .NET 8 back‑end services. Oversees design, implementation, testing, deployment, and monitoring while leading technical decision‑making and mentoring junior developers. Expectations: - Own technical direction and maintain best‑practice standards. - Collaborate closely with cross‑functional stakeholders and Architecture team. - Deliver production‑grade code with sustainable maintainability. - Mentor and coach junior team members through code reviews and knowledge sharing. - Participate in Agile ceremonies and contribute to continuous improvement. Key Responsibilities: - Lead development of high‑quality, responsive web components with React/Next.js and Tailwind CSS. - Design and prototype solutions; present POCs to Architecture for approval. - Implement and maintain .NET 8 microservices, ASP.NET MVC, WebAPI, and related back‑end APIs. - Apply SOLID principles, IoC, TDD, and CI/CD best practices. - Conduct thorough code reviews, provide constructive feedback, and enforce coding standards. - Communicate progress, risks, and technical decisions to stakeholders. - Mentor junior developers and foster a culture of learning and technical excellence. - Ensure robust integration, unit, integration, and UI testing; contribute to test automation. - Stay current with emerging technologies and recommend enhancements. Required Skills: - Strong experience with React (preferably Next.js), Tailwind CSS, JavaScript, TypeScript, HTML, CSS/SCSS. - Expertise in C#, ASP.NET MVC/WebAPI, RESTful services, and .NET 8 microservices. - Proven knowledge of SOLID, IoC, TDD, and CI/CD pipelines. - Database proficiency: MS SQL, RavenDB, Entity Framework. - Familiarity with messaging systems (NServiceBus, RabbitMQ). - Version control (Git) and identity management (OAuth, OpenID). - Comfortable with unit, integration, and UI testing strategies. - Excellent communication and teamwork skills. - Agile experience and understanding of Scrum practices. Required Education & Certifications: - Bachelor’s degree in Computer Science, Computer Engineering, or equivalent professional experience. - No mandatory certifications, but familiarity with Azure DevOps, GitHub, or related tooling is advantageous.

Toronto, Canada

On site

08-12-2025

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