Senior Software Engineer – L3

🕒 August 4

🇨🇦 Canada – Remote

💵 $132.6k - $165.8k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Twilio

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

🔌 API

🤝 B2B

API • B2B

Twilio is a leading provider of cloud communications services that enables developers to build innovative communication solutions. Founded in 2008, Twilio has democratized access to communication channels such as voice, text, chat, video, and email through easy-to-use APIs. With headquarters in San Francisco and a global presence, Twilio empowers organizations of all sizes to engage effectively with their customers by integrating these communication capabilities into their applications.

📋 Description

• Contribute to technical design and roadmaps for core platform components • Author technical specifications and drive legacy-system transitions to scalable cloud-native microservices • Use AI coding assistants to automate boilerplate, generate test suites, and prototype solutions • Own end-to-end component delivery while balancing feature delivery, reliability, security, and technical debt • Partner with Product Managers and cross-functional stakeholders to translate customer and regulatory needs into technical specifications, APIs, and workflows • Mentor junior engineers and onboard new team members • Conduct constructive code reviews, tech talks, and technical guidance • Identify and resolve technical risks, performance bottlenecks, and security vulnerabilities • Own on-call responsibilities, resolve incidents, and implement root-cause remediation • Document technical designs, system trade-offs, RFCs, and operational runbooks

🎯 Requirements

• 5+ years of experience designing and developing highly available, high-scale, secure, mission-critical cloud-native enterprise distributed systems • Strong proficiency in Java or Go • Solid knowledge of AWS ecosystems, including Lambda, EKS, DynamoDB, and Kafka • Hands-on experience with cloud-native infrastructure, microservices patterns, and highly resilient systems • Practical experience using AI tools such as Copilot, Claude, or Cursor for debugging, code synthesis, and prototyping • Experience building and maintaining high-volume public-facing APIs • Experience with high-throughput data processing and storage solutions such as SQL/NoSQL, Redis, Kafka, or Spark • Familiarity with Kubernetes, Terraform, and modern CI/CD paradigms • Ability to influence technical decisions through strong communication and technical credibility

🏖️ Benefits

• Competitive pay • Generous time off • Ample parental leave • Ample wellness leave • Healthcare • Retirement savings program • Volunteering and donation support • Occasional travel to project or team in-person meetings