Software Development Engineer II

🔥 23 hours ago

🇮🇪 Ireland – Remote

⏰ Full Time

🟢 Junior

🟡 Mid-level

🧑‍💻 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

• Participate in all phases of the software development life cycle, including requirements gathering with Product Managers, technical design, estimations, sprint planning, coding, testing, deployments, and on-call support • Own, operate, and maintain team services in a distributed production environment • Design and implement real-time services with high throughput and low latency requirements • Verify, deploy, and operationalize services • Work closely with stakeholders to understand customer needs and deliver simple, robust, and scalable solutions • Collaborate with leads, architects, and cross-functional teams through detailed technical documentation • Scale a complex distributed platform with globally distributed points of presence, high availability, reliability, throughput, low latency, and media fidelity • Develop novel solutions to customer problems for the Voice channel • Occasionally travel for project or team in-person meetings

🎯 Requirements

• Minimum 2+ 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 • 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 including data structures, algorithms, operating systems, and distributed systems • Ability to work well in a team setting • Experience with on-call rotations, incident response, monitoring/alerting tools (Prometheus, Datadog, Grafana) is desired • Experience using SQL/NoSQL databases and caching technologies is desired • Experience scaling production backend systems is desired • Knowledge and experience with SIP protocol is desired • Knowledge and experience with Stir/Shaken protocol is desired

🏖️ Benefits

• Competitive pay • Generous time-off • Ample parental and wellness leave • Healthcare • Retirement savings program • Support for employee volunteering and donation efforts