API Engineer Jobs in Markham, ON

Build and own next-gen products using TypeScript and React in a high-autonomy environment. Collaborate with a small team, raise engineering standards, mentor others, and integrate AI features into cus...

Drive your career by leading, scaling, and modernizing a global engineering team focused on high-performance, AI-enhanced systems, while fostering a culture of innovation and accountability...

Join us to build innovative software that reshapes legal work, enhancing productivity for thousands of lawyers. You'll lead development from feature design to implementation, directly impacting the fu...

Lead innovative data engineering initiatives by designing scalable data solutions and developing robust pipelines, all while ensuring quality and governance to support analytics and AI capabilities wi...

Elevate your career as a Technology Analyst, enhancing the software development lifecycle. Collaborate with industry experts to deliver innovative, high-quality solutions while contributing to design...

Transform backend and frontend services by leading modernization initiatives in .NET and Angular, enhancing system scalability and reliability while mentoring a high-impact team to deliver solutions t...

Join a team that’s shaping the future of AI by developing innovative software solutions that empower creators and enhance user experiences, all while working across the tech stack and focusing on impa...

Drive the development of AI innovations through leadership and hands-on engineering. Guide a skilled team in creating scalable systems that enhance user experiences while collaborating across diverse...

Empower technical excellence by analyzing complex requirements and designing optimized hydronic systems. Collaborate across engineering and sales to deliver innovative solutions that enhance customer...

Transform your career by owning comprehensive data infrastructure. Build robust ETL pipelines, enhance data quality, and empower teams with reliable analytics to support critical business decisions ac...

Transform geotechnical and materials engineering by leading diverse projects, managing inspections, and ensuring high-quality results. Contribute to a dynamic team culture while driving client relatio...

Innovate automation and optimization of data workflows by leveraging LLMs. Design and implement prompt strategies to enhance accuracy, cultural alignment, and efficiency in data annotation and transla...

Innovate with us to enhance applications using AI-native workflows. Join our collaborative team to implement and maintain high-quality solutions while continuously learning and growing in your softwar...

Transform enterprise-scale AI solutions by enhancing Generative AI applications. Drive experimentation with LLMs and multimodal technologies to create impactful features that serve millions of users i...

Unlock potential by leading backend development for crypto and alternative trading products, enhancing infrastructure and driving product innovation. Join a team passionate about delivering high-quali...

Partner with us to engineer cutting-edge backend solutions for crypto and trading platforms, driving innovation and scalability while mentoring team members in a collaborative environment focused on a...

Accelerate progress at a high-growth SaaS company by owning financial models, delivering insights, and supporting executive decision-making independently while effectively leveraging AI tools in your...

Unlock potential by taking ownership of dynamic FP&A processes. This role requires a proactive analyst to build models, deliver insights, and leverage AI tools within a high-growth SaaS context, confi...

Join a team that's dedicated to delivering innovative technical solutions, guiding customers through their onboarding and implementation journey, while ensuring success with a focus on best practices...

Champion scalable backend infrastructure development that enhances user experience for enterprise clients. Collaborate cross-functionally to deliver secure, reliable, and innovative AI-driven legal to...

Drive customer success by delivering technical solutions and guidance that accelerate adoption of the Nylas platform. Collaborate across teams to ensure smooth implementation, optimization, and succes...

Transform tax preparation by leading the architecture and development of an AI-first platform. Drive innovative solutions, enhance user experiences, and mentor a team while shaping impactful product s...

Reimagine cloud infrastructure by building and sustaining scalable services, utilizing innovative cloud technologies to ensure security and efficiency while driving operational excellence across teams...

Elevate your career by building scalable systems that impact millions. As a Senior Full Stack Developer, you'll refine backend architecture, enhance security practices, and innovate using AI and moder...

Unlock your potential by building impactful SEO features that enhance search visibility and drive organic growth. Collaborate across teams to deliver end-to-end solutions with a focus on performance a...