Senior Full Stack Engineer (Web) at Vivid Seats | Toronto, Ontario

Cresta is dedicated to transforming customer interactions into strategic advantages by harnessing the full potential of contact centers. Our innovative platform merges cutting-edge AI technology with human expertise to provide contact centers with valuable customer insights, streamline communication processes, and elevate team performance. Founded by renowned Stanford AI lab co-founder Sebastian Thrun, known for his pivotal roles in Google X and Waymo, our leadership team also includes Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI.Join us on an exhilarating journey to redefine the future of work with AI. The future is now, and it’s at Cresta.

Cresta is revolutionizing the way customer conversations are leveraged for competitive advantage by harnessing the full potential of contact centers. Our innovative platform merges cutting-edge AI with human intelligence to extract valuable customer insights, streamline communication, and enhance operational efficiency. Founded by Sebastian Thrun, a visionary from the Stanford AI lab and the mind behind Google X and Waymo, Cresta’s leadership team also includes Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI. Our exceptional team comprises AI and ML specialists, market leaders, and esteemed investors such as Andreessen Horowitz, Greylock Partners, and Sequoia. Trusted by industry giants like Intuit, Cox Communications, Hilton, and Carmax, Cresta has earned accolades from Forbes and Bain Consulting as one of the premier private AI companies globally. Join us on an exhilarating journey to transform the workforce through AI; the future of work is at Cresta.

Join Feathery as a Full Stack EngineerAt Feathery, we revolutionize data intake workflows for insurance and wealth management sectors. Top industry players depend on us to streamline critical operations such as underwriting, client onboarding, and automated account openings.With our rapid revenue growth and increasing enterprise demands, we're expanding our engineering team to tackle more complex, data-intensive workflows across our innovative platform.Your RoleAs we grow, the intricacies of our backend systems and the sophistication of our frontend experiences are evolving. We are seeking a Full Stack Engineer to develop and scale our core product capabilities from end to end. This position is perfect for someone passionate about owning features across the entire stack—from API design and backend development to creating intuitive, high-performance user interfaces.You will partner closely with product management, design, and engineering teams to deliver impactful features and influence the overall architecture of our platform.Key ResponsibilitiesEnd-to-End Product DevelopmentDesign and implement features across both frontend and backend systems.Create APIs and services that drive essential product functionality.Develop intuitive, responsive, and high-performance user interfaces.Manage features from inception to production.Backend Systems & InfrastructureBuild and scale backend services for workflow automation and data processing.Develop asynchronous pipelines and distributed systems for managing large data volumes.Utilize AWS services and messaging systems (e.g., SQS) to ensure scalable infrastructure.Maintain reliability, performance, and observability across systems.Frontend Experience & PerformanceImplement UI/UX designs that enhance user experience.Optimize front-end performance to ensure quick and smooth user interactions.

Cresta is dedicated to transforming each customer conversation into a strategic advantage by harnessing the full capabilities of contact centers. Our innovative platform merges artificial intelligence with human expertise to enable contact centers to gain valuable customer insights, streamline processes, automate conversations, and empower team members to enhance their productivity. Founded by industry visionary Sebastian Thrun from the esteemed Stanford AI lab, our leadership includes CEO Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI.Join us on our exciting mission to redefine the workforce through AI. The future of work is unfolding at Cresta.About the Role:As a key member of Cresta's Conversation Design team, you will contribute to the creation of high-quality AI conversation models that provide real-time coaching and support for contact center agents. Your role will involve designing engaging conversational experiences for virtual agents across both voice and chat platforms. This highly collaborative position will require close partnerships with cross-functional teams in Machine Learning, Data Science, Program Management, Customer Success, Product Leadership, and Engineering. You may also engage directly with clients to ensure alignment on our solution designs and assist them in utilizing Cresta Opera, our proprietary self-service tool.Responsibilities:Support all phases of AI delivery projects, from design and development to deployment and optimization of AI solutions for diverse clients.Work alongside internal and external stakeholders to create solutions that help clients achieve their business goals using Cresta's AI product suite.Design solutions for contact centers in various domains, including sales, retention, collections, and customer service across multiple industries, from financial services to telecommunications.Establish labeling guidelines for training conversational AI models and assist with labeling tasks as necessary.Oversee model maintenance efforts to ensure that Cresta's AI models consistently meet high-quality standards.Develop and implement virtual agent solutions.

Join Ideogram as a Full Stack Product EngineerAt Ideogram, we are on a mission to democratize world-class design, enhancing human creativity through innovative solutions. Our proprietary generative media models and AI-driven creative workflows address significant challenges in graphic design. Our talented team comprises industry pioneers who have contributed to breakthroughs in technologies like Diffusion Models and Google’s Imagen and Imagen Video. We are passionate about combining design, taste, and craftsmanship with cutting-edge research and engineering, delivering experiences that creatives adore.With nearly $100M in funding from top investors like Andreessen Horowitz and Index Ventures, and a headquarters in Toronto alongside a growing presence in NYC, we are expanding rapidly, with goals to triple our team within the next year. We foster a flat organizational structure that encourages ownership, collaboration, and mentorship.About The RoleAs a Full Stack Product Engineer, you will play a crucial role in developing products that empower creators by seamlessly integrating generative AI into their workflows. You will engage with all facets of product development, from designing engaging user experiences to optimizing backend systems that cater to millions. We seek a candidate who possesses a strong product instinct, user empathy, and the ability to thrive in the fast-evolving AI landscape.

Cresta is dedicated to transforming customer interactions into a strategic edge by harnessing the full potential of contact centers. Our innovative platform merges advanced AI capabilities with human intelligence, enabling contact centers to uncover valuable customer insights, streamline conversations, automate inefficient processes, and empower team members to enhance productivity. Founded by visionary leaders from the esteemed Stanford AI lab, including Sebastian Thrun, known for his groundbreaking work with Google X and Waymo, Cresta's leadership also features Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI.Embark on an exhilarating journey with us to redefine the workplace through AI. The future of work is unfolding at Cresta.About the Role:The Knowledge Assist (KA) team at Cresta is at the forefront of developing AI solutions tailored for the contact center industry, with a primary focus on enhancing agent productivity by ensuring access to the right knowledge at the right moment.Current projects include:Generative Knowledge Assist (GenKA): Provides real-time, context-aware suggestions for contact center agents, integrating multiple knowledge bases to facilitate quick information retrieval and ensure accurate responses.Knowledge Search (KS): A custom search experience designed specifically for contact center agents, built on the GenKA infrastructure, with aspirations to evolve into a comprehensive enterprise search solution.Retrieval-Augmented Generation (RAG): A pivotal initiative supporting GenKA and KS, focusing on efficient retrieval of relevant knowledge and generating ready-to-use responses based on this knowledge.Our internships are set in a dynamic, fast-paced environment where collaboration with top researchers and engineers is encouraged. Interns will have the opportunity to contribute to significant AI research and implement innovative techniques at scale.This internship offers a rare chance to influence the future of AI at Cresta by tackling complex challenges and introducing groundbreaking AI advancements into real-world applications.

Cresta is transforming customer interactions into a strategic advantage by harnessing the full potential of contact centers. Our innovative platform seamlessly integrates artificial intelligence with human insight to uncover valuable customer insights, streamline conversations, and enhance operational efficiency. Founded by visionaries from Stanford's AI lab, including Sebastian Thrun, the mastermind behind Google X and Waymo, Cresta is led by industry pioneers such as CEO Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early contributor at OpenAI.Join us as we embark on an exciting journey to revolutionize the workforce through AI. The future of work is here, and it starts at Cresta.

Join Stripe as a Full Stack Engineer specializing in billing solutions. In this role, you will be pivotal in designing, developing, and enhancing our billing systems. You will collaborate with cross-functional teams to create user-friendly interfaces and robust backend services. Your contributions will directly impact our mission to simplify payments and empower businesses globally.

At ZoomInfo, we are where careers take off. We thrive in a fast-paced environment that encourages bold thinking and empowers you to deliver your best work. Join a team that values deep connections, challenges conventional thinking, and celebrates achievements together. With cutting-edge tools that enhance your impact and a culture that supports your aspirations, you will not only contribute—you will drive results swiftly.As a Senior Full Stack Engineer on the Chorus Engagement team, you will play a pivotal role in Chorus.ai, our renowned Conversation Intelligence platform. Chorus processes and analyzes a vast array of sales calls, providing insights that empower sales professionals to excel and compete at the highest levels. You will oversee customer-facing product areas ranging from AI-enhanced tools to advanced data visualizations, architecting solutions capable of managing millions of customer requests daily.Whether your strengths lie in frontend or backend development, your expertise and willingness to learn will find ample opportunity here. You will collaborate with exceptionally talented engineers who will inspire you to reach new heights, all while pursuing ambitious goals that truly make a difference.

Join Our Team as a Full Stack EngineerAt Vantage Analytics, we are seeking a passionate Full Stack Engineer to become an integral part of our Product Development Team. In this role, you will leverage your expertise across the technology stack to develop and maintain high-performance, scalable systems that enhance our platform's core functionalities. Collaborating closely with fellow engineers and product managers, you will be responsible for delivering features that are not only technically sound but also centered on user experience. If you share our enthusiasm for the transformative power of exceptional software, we want to hear from you!This is a newly created position, providing a unique opportunity to influence our product direction.

We are seeking a talented Senior Full-Stack Developer who is passionate about creating scalable applications and tools that empower our internal teams. This position emphasizes the integration of AI capabilities into production systems, ensuring that our solutions are not only innovative but also reliable. You will play a key role throughout the development lifecycle—from architecture and implementation to deployment and optimization—while collaborating with cross-functional partners to deliver exceptional solutions.Take the lead on full-stack development initiatives, focusing on AI-enhanced functionality from the design phase to deployment.Work collaboratively across teams to discover opportunities for embedding AI-driven solutions within existing systems and workflows.Design, develop, and maintain both front-end and back-end components, ensuring high standards of code quality, scalability, and performance for new builds and existing applications.Participate in code reviews, contribute to architectural discussions, and uphold shared engineering standards.Enhance and develop data integrations, APIs, and tools to streamline and automate processes.

At Veeva Systems, we are dedicated to revolutionizing the life sciences industry by accelerating the process of bringing therapies to patients. As a trailblazer in the industry cloud sector, we proudly stand as one of the fastest-growing SaaS companies, achieving over $2 billion in revenue last year and poised for remarkable growth in the years ahead.Our core values drive us forward: Do the Right Thing, Customer Success, Employee Success, and Speed. In 2021, we made history by becoming a public benefit corporation (PBC), emphasizing our commitment to balance the interests of our customers, employees, society, and investors.As a Work Anywhere organization, we prioritize your flexibility to thrive, whether you choose to work from home or in our office.Join us in transforming the life sciences sector, where our commitment to positive impact resonates through our customer relationships, employee satisfaction, and community involvement.The RoleWe are actively seeking multiple skilled Full Stack Software Engineers to develop innovative solutions in the life sciences realm. You will leverage cutting-edge front-end and back-end technologies to tackle some of the most significant challenges of our time.The ideal candidates will thrive in a dynamic startup atmosphere while enjoying the stability of a successful, profitable company. You should possess extensive expertise in Java and JavaScript applications and be well-versed in the latest open-source technologies. Experience in enterprise software development or with high-growth tech firms is highly desirable.

Feathery is looking for an entry-level Full Stack Engineer to join the team in Toronto. This role offers a chance to work on products that make a real impact for insurance and wealth management clients. About Feathery Feathery helps insurance and wealth management companies manage data intake more efficiently. Many leading firms rely on Feathery to handle critical processes like underwriting, client onboarding, and automated account openings. With revenue climbing and more enterprise customers coming on board, Feathery is growing its engineering team to support ambitious product and market goals. Why This Role As Feathery expands, both the backend systems and the frontend experience are becoming more advanced. The team is searching for a Full Stack Engineer who wants to take ownership of features throughout the stack. This includes everything from designing APIs and backend logic to building user-friendly, high-performance interfaces. Working closely with product, design, and engineering colleagues, this engineer will help deliver features that shape the future of the platform. Role Overview Work on both frontend and backend product development Design systems and develop APIs Implement user interfaces with a focus on performance and usability Collaborate across teams, especially with product and design This position offers the chance to understand the bigger picture of system architecture while also focusing on delivering polished product experiences. What You’ll Do Full Stack Product Development Design and build features on both the frontend and backend Create APIs and backend services that power core product features Develop responsive, efficient user interfaces Take features from concept through to production launch Backend Systems & Infrastructure Develop and scale backend services for automating workflows and processing data This role is based in Toronto and is ideal for someone early in their engineering career who wants to grow by taking on meaningful product work.

Cresta is dedicated to transforming customer interactions into a strategic advantage by harnessing the full capabilities of the contact center. Our innovative platform merges cutting-edge AI with human intelligence to provide contact centers with valuable customer insights, streamline automated processes, and empower every team member to enhance productivity and efficiency. Originating from the renowned Stanford AI lab, Cresta boasts co-founder and chairman Sebastian Thrun, the visionary behind Google X, Waymo, and Udacity, alongside CEO Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI.Embark with us on an exciting journey to revolutionize the workforce through AI. The future of work is here, and it is at Cresta.About the Role:We are on the lookout for passionate UX interns to contribute to the evolution of Cresta’s human + AI agents platform, which facilitates AI-driven business workflows and automation for contact center operators. Your role will involve designing exceptional end-user experiences and the tools that enable these interactions.As a product design intern at Cresta, you will be at the forefront of a significant technological advancement with LLM and Generative AI. This unique opportunity allows you to make a meaningful impact on how individuals interact with AI. Under the guidance of a design supervisor, you will engage in the complete UX process, including product design, user research, and visual design components, to deliver outstanding user experiences.Responsibilities:Generate innovative UX concepts for Conversation Intelligence and AI Agents, taking into account diverse user personas.Analyze user and business challenges, propose viable solutions, and collaborate with engineers to implement designs.Conduct user research, including usability testing, competitive analysis, customer interviews, behavioral insights, and metrics analysis to inform design decisions.Rapidly prototype (using tools like Figma, Cursor, Claude, Voice API, etc.) to explore various UI paradigms.Work closely with Engineers, PMs, ML experts, Customer Success, and Sales teams throughout the organization.Effectively present and communicate design concepts to supervisors and cross-functional teams.

We are seeking a talented Full-Stack Engineer to join our dynamic team at Merge API Integration Sandbox. In this role, you will leverage your expertise in both front-end and back-end development to create innovative solutions that enhance our platform's capabilities.As a Full-Stack Engineer, you will collaborate closely with cross-functional teams to design and implement user-friendly applications, ensuring the highest performance and responsiveness to requests from the front-end.

Role overview AltaML is looking for a Senior Full Stack Software Engineer in Toronto to design and deliver software solutions that integrate artificial intelligence. The position focuses on using Claude Code, the Claude Agent SDK, and the Claude API as core tools at every stage: from planning architecture for machine learning applications to hands-on development and deployment. Responsibilities span the entire technical delivery process, including work across cloud platforms, APIs, and modern front-end frameworks. What you will do Take the lead on technical delivery for projects, including architecture, coding, and deployment of AI-powered applications. Integrate Claude and agentic coding technologies as central components of software solutions. Balance direct engineering work with architectural decisions and technical leadership. Collaborate with clients and internal teams to turn complex requirements into actionable, AI-enhanced solutions. Mentor developers on applying Claude in daily workflows and contribute to shared internal frameworks. Help shape how new AI engineering tools are evaluated and adopted within the team. Requirements Experience building prototypes with Claude Code and scaling them for production use. Strong understanding of agentic development patterns, such as writing clear specifications for Claude, organizing repositories for AI agents, and reviewing AI-generated code. Ability to communicate effectively with both technical and business teams, translating requirements into AI-driven solutions. Solid problem-solving skills, with the ability to choose between LLM-in-the-loop and traditional engineering approaches as appropriate. Interest in machine learning-driven product development and connecting software engineering with intelligent automation and agentic workflows. Location This position is based in Toronto.

Join Affinity as a Full-Stack Engineer II and be a key player in developing innovative software solutions that drive our business forward. In this role, you will collaborate with cross-functional teams to design, implement, and maintain robust applications. You will leverage your expertise in both front-end and back-end technologies to enhance user experiences and optimize system performance.

Elevate Your Career with Loopio! Loopio is on the lookout for a driven and inquisitive Full Stack Software Developer to become a vital part of our expanding feature development teams. Collaborating with a dynamic group of Engineers, Product Managers, and Designers, you will play a key role in delivering an exceptional product to our users. Our team thrives on collaboration, emphasizing mutual support and teamwork in everything we do.Note: This position is currently open within our team.Your ResponsibilitiesWork closely with Product Managers and Designers in an agile setting to transform features into reality, refining them based on user feedback.Leverage your full stack development skills to assist the team across both frontend and backend tasks.Identify, troubleshoot, and resolve software defects through manual testing and automated tests to ensure consistent, high-quality releases.Engage in all Scrum rituals, including planning, backlog grooming, sprint reviews, retrospectives, and daily stand-ups.Support the transition of our application to a service-oriented architecture.Proactively address bugs with a focus on delivering quality software.Contribute to technical estimations and project planning for development tasks.Create and maintain technical documentation for features and system components.

Join our dynamic team as a Senior Full-Stack Developer, where you will be instrumental in crafting scalable applications and tools that bolster our internal teams. This role emphasizes the integration of AI capabilities into our production systems, guiding projects through all phases of the development lifecycle—architecture, implementation, deployment, and optimization. As a vital member of our multifaceted team, you'll collaborate closely with various departments to deliver high-quality, reliable solutions. This position is perfect for a technology enthusiast who thrives on navigating the evolving landscape of AI technologies in a practical and innovative manner.Lead full-stack development initiatives from conception to deployment, with a strong focus on AI-enhanced functionalities.Work collaboratively with cross-functional teams to identify and integrate AI-driven solutions into existing systems and processes.Design, develop, and maintain both front-end and back-end components, ensuring code quality, scalability, and performance for new developments and existing applications.Participate in code reviews, contribute to architectural decisions, and uphold shared engineering standards.Enhance data integrations, APIs, and tools to streamline and automate workflows.