Staff Software Engineer

About the job

This position is needed to add to our Voice Connectivity Trust team to enable Twilio to better support our customers using Voice in their solutions. As a Software Engineer on this team you will participate in all phases of the software development life cycle which includes requirements gathering with Product Managers, technical design, estimations, sprint planning, coding, testing, deployments and on-call support. This engineer will own, operate and maintain their teams’ services in a distributed production environment, employing agile methodologies to continuously deliver value to customers.

Responsibilities

In this role, you’ll

• 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

Qualifications

Twilio values diverse experiences from all kinds of industries, and we encourage everyone who meets the required qualifications to apply. If your career is just starting or hasn't followed a traditional path, don't let that stop you from considering Twilio. We are always looking for people who will bring something new to the table!

*Required

• Minimum 8 years of hands-on experience in a large scale, distributed applications environment on JVM based technologies

• 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

• Experience building RESTful services, API design and event-driven architectures (Kafka, SQS)

• Hands-on experience designing and driving the optimization of CI/CD pipelines

• Experience with on-call rotations, incident response, monitoring/alerting tools (Prometheus, Datadog, Grafana)

• Hands-on experience with cloud infrastructures such as AWS, GCP, OpenStack or Azure

• 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

• Hands-on Java experience with strong fundamentals, able to architect, review, and debug code whether it's yours, a teammate's, or an AI agent's

Desired

• Can demonstrate how you effectively use AI to deliver value efficiently

• Knowledge and experience working with SIP protocol

• Knowledge and experience working with Stir/Shaken protocol

Location

This role will be remote, and based in Ireland.

Travel

We prioritize connection and opportunities to build relationships with our customers and each other. For this role, you may be required to travel occasionally to participate in project or team in-person meetings.

What We Offer

Working at Twilio offers many benefits, including competitive pay, generous time off, ample parental and wellness leave, healthcare, a retirement savings program, and much more. Offerings vary by location.

Twilio thinks big. Do you?

We like to solve problems, take initiative, pitch in when needed, and are always up for trying new things. That's why we seek out colleagues who embody our values — something we call Twilio Magic. Additionally, we empower employees to build positive change in their communities by supporting their volunteering and donation efforts.

So, if you're ready to unleash your full potential, do your best work, and be the best version of yourself, apply now! If this role isn't what you're looking for, please consider other open positions.

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