Senior Software Developer, AI
TextNow, Inc.2 months ago
Waterloo, CanadaSenior
Responsibilities
- Design, develop, and deploy AI-enabled applications, services, automations, intelligent workflows, and internal tools.
- Use LLMs, AI agents, and orchestration frameworks to build production-ready solutions.
- Evaluate emerging AI technologies, prototype concepts, and transform proofs of concept into scalable systems.
- Drive architecture and implementation decisions and define standards for AI application development.
- Ensure AI solutions are reliable, observable, maintainable, secure, governed, and cost-effective.
- Partner with business stakeholders across multiple departments to identify opportunities and translate business problems into technical solutions.
- Develop reusable AI services, frameworks, components, enterprise integrations, and operational automation workflows.
- Contribute to AI governance, evaluation frameworks, responsible AI practices, and performance monitoring.
- Coach engineers and technical stakeholders and influence TextNow’s AI strategy.
Requirements
- 5+ years of software development experience.
- Experience designing and delivering production-grade software systems.
- Strong programming skills in one or more modern languages such as Go, Python, TypeScript, or Ruby.
- Experience with cloud platforms and modern deployment practices.
- Hands-on experience building applications with large language models and experience training custom models.
- Understanding of prompt engineering, evaluation methodologies, and AI system design.
- Experience with workflow automation and orchestration platforms.
- Familiarity with retrieval systems, vector databases, knowledge management, or agent frameworks.
- Ability to lead projects from concept through deployment and operate effectively with evolving requirements.
- Strong communication, ownership, independent execution, curiosity, and pragmatic problem-solving skills.
- Preferred experience includes enterprise AI solutions; OpenAI, Anthropic, Google, or open-source model ecosystems; observability and AI performance monitoring; AI governance, evaluation, or security frameworks; telecommunications; and internal developer productivity tools.
Benefits
- Free phone service, employee stock options, unlimited vacation, and 12 paid holidays per year.
- Health, dental, vision, short-term disability, and long-term disability benefits.
- $750 annual wellness benefit or healthcare spending account.
- RRSP matching in Canada and parental leave for eligible employees.
- Learning and development opportunities.
- Company events, travel, and occasional company-wide off-sites.
- The posting lists Canadian salary ranges by level and states that the role is a current, active vacancy.
Tech Stack
Categories
About TextNow, Inc.
TextNow builds a free, app-based wireless phone service that provides calling, texting, and basic data on iOS and Android. Its freemium model combines an ad-supported tier with optional paid plans, and it operates much of its own network infrastructure to keep costs low. Founded in 2009 and headquartered in Waterloo, Ontario, the privately held company serves millions of users across North America.