Senior Software Developer, AI at TextNow in Waterloo, ON
- Company: TextNow
- Location: Waterloo, ON
- Posted: Sep 19, 2026
- Type: Full-time
- Salary: Canada Intermediate: CAD $113,400 - $162,000 annually; Canada Senior: CAD $158,000 – 207,000 annually; Canada Staff: CAD $200,400 – 248,000 annually
- Experience: 5+ years
Overview
We believe that communication belongs to everyone. Our mission is to democratize phone service and remove barriers that prevent people from staying connected. As TextNow continues to evolve, Artificial Intelligence is becoming a foundational capability across our products, operations, and employee e…
Job description
- We believe that communication belongs to everyone. Our mission is to democratize phone service and remove barriers that prevent people from staying connected.
- As TextNow continues to evolve, Artificial Intelligence is becoming a foundational capability across our products, operations, and employee experience. Our AI Labs team is responsible for identifying, validating, and scaling AI-powered solutions that create measurable impact for customers and employees.
- We're looking for a Senior Software Developer who can help transform AI opportunities into production-ready systems, partner with stakeholders across the business, and accelerate TextNow's adoption of AI technologies.
Responsibilities
- Build AI-Powered Solutions
- Design, develop, and deploy AI-enabled applications, services, and automations
- Build internal tools and intelligent workflows using LLMs, AI agents, and orchestration frameworks
- Evaluate emerging AI technologies and rapidly prototype new concepts
- Transform proofs-of-concept into scalable production systems
- Lead Technical Delivery
- Drive architecture and implementation decisions for AI initiatives
- Define patterns and standards for AI application development
- Balance experimentation speed with security, governance, and operational excellence
- Ensure solutions are reliable, observable, maintainable, and cost-effective
- Enable the Organization
- Partner with business stakeholders to identify high-value AI opportunities
- Translate business problems into technical solutions
- Consult with teams across Product, Engineering, Customer Care, Trust & Safety, Marketing, Finance, and Operations
- Help teams adopt AI capabilities and best practices
- Build Internal AI Capabilities
- Develop reusable AI services, frameworks, and components
- Create integrations with enterprise platforms and business systems
- Design automation workflows that reduce manual effort and increase operational efficiency
- Contribute to AI governance, evaluation frameworks, and responsible AI practices
- Mentor and Influence
- Coach engineers and technical stakeholders on AI development approaches
- Share knowledge, best practices, and lessons learned
- Drive technical discussions and influence the direction of TextNow's AI strategy
Requirements
- Technical Experience
- 5+ years of software development experience
- Experience designing and delivering production-grade software systems
- Strong programming skills in one or more modern languages (Go, Python, TypeScript, Ruby, or similar)
- Experience with cloud platforms and modern deployment practices
- AI & Automation Experience
- Hands-on experience building applications with Large Language Models
- 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
- Delivery & Collaboration
- Comfortable operating in ambiguous environments with evolving requirements
- Strong communication skills with technical and non-technical audiences
- Demonstrated ability to lead projects from concept through deployment
- Ability to identify opportunities independently and drive execution
- Mindset
- Curious and pragmatic
- Strong ownership mentality
- Bias toward experimentation and learning
- Able to balance speed with long-term sustainability
- Excited by solving business problems using technology
- Experience building enterprise AI solutions
- Experience with OpenAI, Anthropic, Google, or open-source model ecosystems
- Experience with observability and AI performance monitoring
- Experience implementing AI governance, evaluation, or security frameworks
- Telecommunications industry experience
- Experience building internal developer productivity tools
Skills
Required
- Go
- Python
- TypeScript
- Ruby
- cloud platforms
- modern deployment practices
- Large Language Models
- custom model training
- prompt engineering
- evaluation methodologies
- AI system design
- workflow automation
Preferred
- OpenAI
- Anthropic
- open-source model ecosystems
- observability
- AI performance monitoring
- AI governance
- AI security frameworks
Benefits
- Canada Intermediate: CAD $113,400 - $162,000 annually
- Canada Senior: CAD $158,000 – 207,000 annually
- Canada Staff: CAD $200,400 – 248,000 annually
- Our salary ranges are determined by role, level, and location. Within the range, individual pay is determined by job-related skills, experience, and relevant education or training.
- Our goal is to offer a competitive package that reflects the impact and expertise you bring to the team.
- This posting is for a current, active vacancy.
About TextNow
Our culture We’re proud of the culture that we’ve built at TextNow, but one of the most common questions we hear is ‘how do you continue to sustain it as the world and the company continues to change?’ The reality is that we’re only able to keep up because each and every TextNovian contributes to our culture through being involved, by living our values, sharing feedback, embracing change and more! Our values Customer Obsessed We strive to have a deep understanding of our customers. Do Right By Our People We treat each other with fairness, respect, and integrity. Accept the Challenge We adopt a "Yes, We Can" mindset to achieve ambitious goals. Act Like an Owner We treat this company like it's our own... because it is! Give a Damn We are deeply committed and passionate about our work and achieving results. Our benefits and more This is a brief overview of the benefits that TextNow offers its employees. More complete details can be found in TextNow’s Benefit Guide and legal plan documents, which are available to employees on or shortly after their start date with TextNow. The benefits listed herein are for illustrative purposes only and may change from time-to-time in TextNow’s sole discretion. Free phone service Strong work life blend Employee stock options Unlimited vacation 12 paid holidays per year Competitive pay Health, dental, and vision benefits Short-term & long-term disability $750 annual wellness benefit or healthcare spending account RRSP matching (Canada) Parental leave for eligible employees Learning & Development opportunities We travel a few times a year for various team events, company-wide off-sites, and more More information about our total rewards package will be available during the hiring process. Dogfooding & Customer Obsession At TextNow, every employee gets to actively use our app for calling and texting. Dogfooding helps us experience what customers do, to spot issues early, and drive better design, developer, and user experiences.