API Engineer Jobs in Toronto, ON

Optimize core processing systems by writing and reviewing production code, enhancing reliability and performance. Lead initiatives to improve transaction routing and authorization, while mentoring eng...

Unlock potential by leading a global team of engineers to enhance critical infrastructure, driving operational excellence and innovation across cloud environments while fostering a high-performance cu...

Join a team that's shaping the future of AI by leading the ML function end-to-end. You will architect innovative solutions, mentor talent, and drive production-ready systems that enhance real-world ap...

Engineer robust AI solutions and frameworks, driving innovation across business functions. Lead platform architecture, governance, and implementation while mentoring teams and setting standards for en...

Lead the charge in enhancing Windows endpoint reliability and automation. Collaborate with cross-functional teams to implement best practices, mentor peers, and drive improvements in application deliv...

Transform enterprise architecture by aligning technology strategies with institutional goals. Lead the evaluation of emerging technologies and guide cohesive digital solutions across platforms, ensuri...

Join a dynamic team as you develop innovative architectural solutions for justice facilities. Utilize your expertise in design and coordination, ensuring project goals align with quality, safety, and...

Drive innovation in software engineering by designing and delivering scalable solutions. Collaborate with cross-functional teams to enhance technical practices and mentor peers, ensuring high-quality...

Drive strategic pre-sales initiatives and delivery oversight, leveraging technical expertise in custom development, integration, DevOps, and AI to ensure successful client engagements and solution imp...

Elevate the gaming experience by architecting and developing core backend services. Collaborate with a dynamic team to enhance Zynga's Payments platform, ensuring seamless integration and optimal perf...

Transform digital banking experiences by developing secure, scalable full-stack applications. Collaborate with cross-functional teams to implement innovative solutions using modern JavaScript framewor...

Transform client strategies by leading technical adoption of data solutions, driving innovation in ML & AI for global enterprises, maximizing product impact, and fostering relationships with key stake...

Transform IT infrastructure by building, supporting, and scaling systems. Collaborate with cross-functional teams to enhance efficiency, manage data security, and implement integrations while troubles...

Lead the charge in delivering scalable solutions by managing a cross-functional team. Drive execution of platform initiatives, prioritize backlogs, and enhance operational efficiency while ensuring co...

Join our AI-first engineering team to enhance and innovate across our core and next-gen platforms. Leverage your full stack expertise to drive impactful solutions while mentoring others in agentic dev...

Join a team that's shaping the future of data engineering by leading the design and delivery of innovative data platforms on the Microsoft Azure Data & AI stack. Drive technical excellence while mento...

Join a team that's redefining AI workflows for finance. Drive product strategy and UX, enhancing user experiences and ensuring clarity and trust in regulated environments. Collaborate closely across f...

Discover your potential as a vital team player in a cutting-edge environment, driving innovative technologies to support global operations with a focus on quality, performance, and security in softwar...

Lead the charge in providing strategic pension administration solutions, mentoring teams, and enhancing client relationships. Drive operational excellence while managing financial health and complianc...

Empower the enterprise by leading the development of trusted, AI-ready data products that enhance analytics and reporting while ensuring data governance and quality across a crucial portfolio of workf...

Drive strategic leadership in IT service delivery, ensuring client satisfaction and operational excellence while managing financial performance and growth opportunities across accounts...

Join us to design and deliver cutting-edge AI systems across ML, generative AI, and agentic workflows. Collaborate with cross-functional teams to create impactful solutions while mentoring engineers a...

Innovate within the Okta Customer Identity platform as a Senior Product Manager, driving growth and new capabilities for enterprise clients. Collaborate across teams to translate insights into impactf...

Unlock the potential of complex AWS engagements by anchoring architecture across delivery, security, and client relations. Become the key strategist who connects technical design to business excellenc...

Elevate clinician productivity by driving solution adoption, optimizing workflows, and delivering impactful training. Collaborate with healthcare teams to enhance outcomes and ensure successful implem...