Software Developer - Backend
TextNow, Inc.4 months ago
Waterloo, CanadaMid Level / Senior / Staff+
Responsibilities
- Design, develop, and maintain high-performance, scalable backend services using Go microservices and cloud-native tooling.
- Lead architectural modernization, modularization, monolith decomposition, legacy-code migration, and adoption of new backend technologies.
- Own systems across API design, data modeling, deployment, monitoring, integration and load testing, telemetry, experimentation, and continuous iteration.
- Define observability standards, telemetry pipelines, fault-tolerance strategies, and production diagnostics for distributed systems.
- Apply AI-driven tools and automation to accelerate development, code analysis, testing, reliability, and system intelligence.
- Partner with product, mobile, and data teams to deliver reliable experiences across platforms.
- Drive technical discussions, mentor developers, lead initiatives, and influence strategic direction across backend and infrastructure domains.
Requirements
- Deep expertise in Go; PHP experience for legacy systems is a bonus.
- Proven experience architecting modular, maintainable, high-performance microservices.
- Strong background in system design, observability, and performance optimization.
- Experience with AWS, Kubernetes, Argo CD, Protobuf, CI/CD pipelines, and auto-scaling architectures.
- Experience using AI and automation to improve developer velocity, reliability, or system intelligence.
- Technical leadership experience including roadmap influence, multi-team initiatives, mentoring or leading developers, process improvements, and interaction with senior technical or product leadership.
- Understanding of instrumentation, SLOs, SLIs, fault tolerance, runbooks, incident triage, scalable telemetry pipelines, and production diagnostics.
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.
- Travel a few times per year for team events and company-wide off-sites.
- Competitive pay and a strong work-life blend.
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.