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Twilio is hiring a Software Development Engineer 2 to join the Voice Trust team, responsible for ensuring reliable voice communication infrastructure for Twilio's customers. This is a fully remote role based in Ireland, part of a distributed, remote-first organization.
In this role, you will participate across the full software development lifecycle—from requirements gathering with product managers through technical design, estimation, sprint planning, coding, testing, deployment, and on-call support. You'll own and operate services in a distributed production environment using Agile methodologies.
Key responsibilities include:
- Designing and implementing real-time services with high throughput and low latency requirements, then verifying, deploying, and operationalizing them
- Working closely with stakeholders to understand customer needs and deliver simple, robust, scalable solutions
- Communicating technical ideas clearly through detailed documentation and collaboration with leads, architects, and cross-functional teams
- Scaling a complex distributed platform with global points of presence, focusing on high availability, reliability, throughput, latency, and media fidelity
- Solving novel customer problems specific to the Voice channel
Required qualifications:
- Minimum 2+ years hands-on experience with large-scale distributed applications on JVM-based technologies
- Experience building RESTful services, API design, and event-driven architectures (Kafka, SQS)
- Understanding of CI/CD pipelines
- Hands-on experience with cloud infrastructure (AWS, GCP, OpenStack, or Azure)
- Excellent written communication skills
- Ability to evaluate AI-generated code for correctness, security, performance, and maintainability
- Strong Java fundamentals with ability to architect, review, and debug code
- Demonstrated proficiency with AI coding assistants (Claude, GitHub Copilot, Cursor, or similar)
- Bachelor's degree in Computer Science or related engineering field
- Strong computer science fundamentals (data structures, algorithms, operating systems)
Twilio is a remote-first company with a strong culture of connection and global inclusion. While fully remote, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites, or customer meetings.
About Twilio
SaaS / Enterprise Software — authentication and identity infrastructure for developers.
