Top Software Engineer Jobs in Toronto

The Senior Software Engineer will manage data systems, develop scalable pipelines, ensure data security, and build self-service applications for users at Coinbase.

As a Software Engineer at Parallelz, you will own features from concept to production, design AI-first systems, and operate backend services and cloud infrastructure while collaborating with the platform team.

Lead architecture and implementation of Coinbase's Risk Platform: build high-throughput, low-latency real-time fraud detection, decisioning, and mitigation systems. Define multi-quarter technical strategy, partner with Data Science/ML/Product/Compliance, implement AI-native agent-driven workflows, and mentor engineers to improve reliability, performance, and scale.

Lead design and delivery of backend risk systems to detect and prevent fraud, manage credit and market risk, and protect users. Drive architecture for distributed, high-availability services, partner with Data Science/ML and product teams, build AI-native detection and response systems, mentor engineers, own operational excellence, and lead incident response and post-mortems.

As a Software Engineer - AI, you will design, develop, and deploy AI solutions for legal applications, working with clients and technical teams to enhance legal workflows and improve AI outputs.

As a Software Engineer, you will collaborate in small teams, transform legacy systems, apply modern engineering practices, and continuously learn and grow.

Develop and optimize distributed systems for syncing customer data, focus on scalability, reliability, and performance for global clients.

Develop and maintain production-quality software for self-driving technology. Collaborate with teams, lead discussions, and mentor engineers.

As a Senior Software Engineer at BuildOps, you will design, build, and maintain product features across frontend and backend applications while mentoring others and improving system performance and reliability.

The Staff Software Engineer will lead technical strategies for the Cash App Banking team, overseeing architectural decisions, mentoring engineers, and developing financial products that improve customer banking experiences.

Lead software design and development for Cash App Banking features, collaborating with teams to innovate financial products and improve system architecture.

Responsible for building new products, updating existing offerings, leading projects, mentoring, and ensuring quality and alignment in technical implementation. Collaborate with teams to drive projects from ideation to production.

Lead the technical direction for a cloud-native data engineering platform, architecting data pipelines and mentoring engineers while ensuring data governance and performance optimization.

Develop and test software solutions, troubleshoot software issues, and design distributed systems using various programming languages and technologies.

Design and implement data pipelines, develop applications, troubleshoot software issues, and integrate front-end UI with REST APIs in a full stack environment.

The Software Developer will modernize legacy applications, fix bugs, and enhance features while collaborating within Agile methodologies. Requires extensive experience in Java and various related technologies.

The Junior Software Developer position involves programming, application design, and working with databases while collaborating with IT teams. Candidates need experience in Agile methodologies and specific technologies like Oracle and front-end frameworks.

The Software Developer designs and implements backend systems for meteorological applications, focusing on performance, scalability, and data processing in an Agile environment.

As a Software Development Engineer in Test, you'll create and conduct automated tests, resolve technical issues, and collaborate with development teams to ensure software quality.

Lead the Developer Environments team, enhancing software development productivity. Drive strategy, manage systems, and improve developer workflows and tooling.

The Senior Software Engineer will design and develop secure, scalable software solutions, mentor junior developers, and improve development practices within an agile team at Mastercard's Ethoca, focusing on combating e-commerce fraud.

Build and ship full‑stack product features for a browser-based CAD application: own front-end architecture and UX, maintain backend services (APIs, Postgres on GCP), write well-tested high-performance code (including C++ core), and lead customer-facing technical engagements to turn feedback into product improvements.

The Software Engineer will design and optimize large-scale data infrastructure, focusing on distributed systems and data processing for generative media models, collaborating closely with research scientists and enhancing multi-modal training pipelines.

As an ML Engineer at Luma AI, you will design high-performance model serving pipelines, manage GPU resources, and optimize CI/CD for large-scale AI systems.

The ML Engineer will integrate model architectures, optimize deployment workflows, maintain CI/CD pipelines, and ensure reliability of inference services across large-scale systems.