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Senior Software Engineer

1 day ago
Ireland
Full-time
Senior
Software Engineer
Software Development
Agile AWS Azure CI/CD Datadog GCP Grafana Java Kafka Microservices Prometheus SQL Twilio
Apply Now
Twilio

Twilio

Twilio is a cloud communication company that offers Communication APIs for SMS, Voice, Video, and Authentication, empowering developers to embed communication capabilities into their software applications globally.

Diversified Telecommunication Services
5K-10K
Founded 2008
View All Jobs 124

Description

  • Participate in all phases of the software development lifecycle, including requirements gathering, technical design, estimation, sprint planning, coding, testing, deployment, and on-call support.
  • Design and implement real-time services with high-throughput and low-latency requirements.
  • Verify, deploy, and operationalize services in a distributed production environment.
  • Work closely with product stakeholders to understand customer needs and deliver simple, robust, and scalable solutions.
  • Own, operate, and maintain team services in production.
  • Collaborate effectively with leads, architects, and cross-functional teams through clear written communication.
  • Help scale a complex global distributed platform with high availability, high reliability, and media fidelity.
  • Develop novel approaches to solve customer problems for Twilio’s Voice channel.

Requirements

  • 5+ 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 such as Kafka and SQS.
  • Understanding of CI/CD pipelines.
  • Hands-on experience with cloud infrastructure such as AWS, GCP, OpenStack, or Azure.
  • Experience with on-call rotations, incident response, and monitoring/alerting tools such as Prometheus, Datadog, or Grafana.
  • Excellent written communication skills for technical documentation and AI prompting.
  • 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 written by people or AI agents.
  • Demonstrated proficiency working with AI coding assistants such as Claude, GitHub Copilot, Cursor, or similar.
  • 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 and be highly motivated and motivating.
  • Experience scaling data tiers with SQL/NoSQL databases and caching technologies, preferred.
  • Experience designing horizontally scalable, resilient backend systems, preferred.
  • Knowledge of SIP protocol, preferred.
  • Knowledge of Stir/Shaken protocol, preferred.

Benefits

  • Competitive pay.
  • Generous time off.
  • Parental leave and wellness leave.
  • Healthcare benefits.
  • Retirement savings program.
  • Remote-first role based in Ireland.
  • Occasional travel for project or team in-person meetings.
  • Opportunities to support volunteering and donation efforts through Twilio’s community programs.

Interested in this position?

Apply directly on the company website

Apply Now

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