Senior Software Engineer - AI

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Software Engineer - AI in Canada.

This is an exciting opportunity for an experienced backend engineer passionate about AI systems, scalable architectures, and modern cloud-native development. In this role, you will help build the core infrastructure powering advanced AI-driven products used at scale by millions of users. You will design high-performance APIs, develop intelligent multi-agent workflows, and integrate cutting-edge LLM technologies into production-ready services. The position offers a highly collaborative remote environment where innovation, experimentation, and engineering excellence are encouraged. You’ll work closely with talented teams focused on performance, reliability, and continuous improvement while leveraging the latest AI-assisted development tools and frameworks. This role is ideal for someone who enjoys solving complex technical challenges and shaping the future of AI-powered platforms.

Accountabilities

• Design, develop, and scale asynchronous REST and WebSocket APIs using Python, FastAPI, and modern backend architecture principles.
• Build and optimize multi-agent AI workflows capable of orchestrating specialized LLM agents across different execution patterns.
• Integrate multiple LLM providers through flexible, provider-agnostic systems that support performance optimization and cost-aware routing.
• Develop Retrieval-Augmented Generation (RAG) solutions using vector databases and search technologies to improve AI response quality and contextual relevance.
• Implement AI-powered tools and assistants capable of advanced data analysis and file-processing functionalities.
• Manage database schemas, migrations, and high-concurrency PostgreSQL environments while ensuring performance and reliability.
• Maintain and improve CI/CD pipelines, automated testing, containerization, and deployment workflows.
• Monitor application performance through observability tools, structured logging, tracing, and latency optimization.
• Promote engineering best practices and contribute to a collaborative culture focused on innovation and AI-assisted development.

Requirements

• 5+ years of experience developing production-grade backend APIs with Python.
• At least 2 years of hands-on experience with FastAPI or similar asynchronous Python frameworks.
• Strong expertise in asynchronous programming, dependency injection, Pydantic, and backend observability practices.
• Practical experience with AI agent frameworks such as Semantic Kernel or equivalent technologies.
• Proven experience building RAG pipelines using vector search technologies such as Azure AI Search, pgvector, or Chroma.
• Solid knowledge of PostgreSQL, SQLModel, SQLAlchemy, and database migration tools such as Alembic.
• Experience integrating LLM APIs including OpenAI and Gemini, with an understanding of structured outputs and AI workflows.
• Familiarity with dependency management tools, containerized environments, and CI/CD ownership from development to deployment.
• Excellent analytical thinking, troubleshooting, and problem-solving skills.
• Comfortable working in a fully remote environment with regular collaboration during EST overlap hours.
• Additional experience with message queues, observability platforms, or AI cost governance tools is considered a plus.

Benefits

• Fully remote work opportunity within Canada.
• Competitive compensation package.
• Opportunity to work on cutting-edge AI and LLM technologies at scale.
• Exposure to modern cloud-native architectures and advanced backend systems.
• Collaborative and innovation-driven engineering culture.
• Flexible and autonomous work environment.
• Professional growth opportunities in a rapidly evolving AI-focused ecosystem.
• Access to modern development tools and AI-assisted engineering workflows.

How Jobgether Works

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.