Twilio is a company focused on shaping the future of communications and empowering developers worldwide. They are seeking a Software Engineer to join their Voice Connectivity Trust team, where the engineer will be responsible for designing and implementing real-time services, collaborating with stakeholders, and maintaining services in a distributed production environment.
Responsibilities:
- Be an owner: Design and implement real-time services with high throughput and low latency requirements, verify, deploy and operationalize them
- Wear the customer's shoes: Work closely with stakeholders to understand customer needs and, devise and deliver, simple, robust and scalable solutions
- Write it down: Be comfortable expressing thoughts and ideas as detailed prose and use it as an effective means to collaborate with leads, architects and cross functional teams
- Be bold: Embrace the challenge of scaling a complex distributed platform with points of presence globally, each one concerned with high availability, high reliability, high throughput, low latency, and media fidelity
- Draw the owl: Figure out novel ways of solving customer problems for the Voice channel
Requirements:
- Minimum 2-3+ years of hands-on experience in a large scale, distributed applications environment 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 infrastructures such as AWS, GCP, OpenStack or Azure
- Experience with on-call rotations, incident response, monitoring/alerting tools (Prometheus, Datadog, Grafana)
- Excellent written communication skills - essential for effective AI prompting and for creating clear technical documentation (with or without AI assistance)
- Proven ability to critically evaluate AI-generated code for correctness, security, performance, and maintainability
- Strong Java fundamentals with the ability to architect, review, and debug code whether written by you, teammates, or AI agents
- Demonstrated proficiency working with AI coding assistants (Claude, GitHub Copilot, Cursor, or similar) - you should be able to describe your workflows and show examples
- Bachelor's degree in Computer Science or a related engineering field
- Strong Computer Science fundamentals not limited to data structures, algorithms, operating systems, and distributed systems
- Able to work well in a team setting and both highly motivated and motivating
- Can demonstrate with metrics how you have used AI to increase productivity
- Experience scaling data tiers employing a variety of SQL/NoSQL database and caching technologies
- Hands on experience scaling production backend systems, with the proven ability to design and develop horizontally-scalable, resilient and performing-under-load systems
- Knowledge and experience working with SIP protocol
- Knowledge and experience working with Stir/Shaken protocol