Position Details

Type Full-Time

Experience senior

Exp. Years 5+ years

Education Not specified

Category Software Engineering

About this role

Senior Software Engineer at Twilio focusing on the Voice Connectivity Trust team to design, build, and operate real-time, distributed services at scale. The role emphasizes high throughput, low latency, global availability, and collaboration with cross-functional teams to deliver robust voice solutions.

Key Responsibilities

Design and implement real-time services with high throughput and low latency
Work with stakeholders to understand needs and deliver simple, robust, scalable solutions
Communicate effectively with leads, architects, and cross-functional teams
Scale distributed platform with global PoPs for high availability and media fidelity
Own, operate, and maintain services in a distributed production environment

Technical Overview

Stack includes JVM-based Java applications, RESTful services, API design, event-driven architectures with Kafka/SQS, and cloud platforms (AWS, Google Cloud Platform, Azure/OpenStack). Observability via Prometheus, Datadog, Grafana; development with AI coding assistants.

Ideal Candidate

The ideal candidate is a senior software engineer with 5+ years of hands-on experience in JVM-based distributed systems, strong Java fundamentals, and deep expertise in RESTful services, API design, and event-driven architectures (Kafka/SQS). They should be comfortable working remotely from Ireland, adept with cloud platforms (AWS, Google Cloud Platform, Azure/OpenStack) and observability tools, and able to evaluate AI-generated code effectively.

Must-Have Skills

5+ years of hands-on experience in large-scale distributed JVM-based applicationsExperience building RESTful services and API designEvent-driven architectures (KafkaSQS)CI/CD pipelinesCloud infrastructures such as AWSGoogle Cloud PlatformOpenStack or AzureOn-call rotations / incident responseMonitoring/alerting tools (PrometheusDatadogGrafana)Strong Java fundamentalsExperience with AI coding assistants (ClaudeGitHub CopilotCursor)

Tools & Platforms

JavaRESTful servicesKafkaAmazon Web ServicesGoogle Cloud PlatformAzureOpenStackPrometheusDatadogGrafanaGitHub CopilotClaudeCursor

Required Skills

5+ years in JVM-based distributed applicationsJavaRESTful servicesAPI designevent-driven architectures (KafkaSQS)CI/CD pipelinescloud infrastructures (AWSGCPOpenStackAzure)on-call rotationsincident responseobservability tools (PrometheusDatadogGrafana)AI coding assistants (ClaudeGitHub CopilotCursor)

Hard Skills

JavaJVMRESTful servicesAPI designKafkaSQSAWSAmazon Web ServicesGoogle Cloud PlatformGCPAzureOpenStackPrometheusDatadogGrafanaCI/CD pipelinesDistributed systemsGitHub CopilotClaudeCursor

Soft Skills

Excellent written communicationCollaborationTeamworkProblem-solvingAbility to work with stakeholdersAttention to detail

Industry & Role

Industry SaaS

Job Function Design, develop, and maintain real-time distributed voice services at scale for Twilio's Voice connectivity platform

Role Subtype Senior Software Engineer

Tech Domains Java, REST APIs, Kafka, Amazon Web Services, Google Cloud Platform, Azure, OpenStack, Prometheus, Datadog, Grafana, CI/CD, Distributed Systems

Keywords for Your Resume

Senior Software EngineerJVMJavaRESTful servicesAPI designKafkaSQSAWSAmazon Web ServicesGoogle Cloud PlatformGCPAzureOpenStackPrometheusDatadogGrafanaCI/CD pipelinesDistributed systemsGitHub CopilotClaudeCursorAI coding assistants5+ yearson-call rotationsincident responseRESTful

Deal Breakers

Lack of 5+ years of JVM-based distributed systems experience, No RESTful services or API design experience, No experience with Kafka/SQS, No cloud platform experience (AWS/GCP/Azure/OpenStack)

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