Remote Senior Real-Time Backend Engineer

Nerdleveltech; Ireland; On-site; EUR 120,000 - 180,000; Full time

Job summary

Twilio seeks a Staff Software Engineer in Ireland for the Voice Connectivity Trust team. This remote role builds and maintains real-time services, collaborating with product managers and cross-functional teams in a distributed production environment.

You’ll own design and delivery across the full software life cycle, advocate scalable architectures, and participate in on-call rotations while advancing AI-assisted development practices.

Qualifications

• 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 CS fundamentals in 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 AI prompting and technical documentation.
• Proven ability to critically evaluate AI-generated code for correctness, security, performance, maintainability.
• Hands-on Java experience with strong fundamentals, architecture review, and debugging.
• Experience with AI coding assistants (Claude, GitHub Copilot, Cursor).
• Experience scaling data tiers using SQL/NoSQL and caching technologies.
• Hands on experience scaling production backends, designing horizontally scalable, resilient systems.
• Strong team collaborator and motivated leader; technical leadership in architecture decisions.

Responsibilities

• Be an owner: Design and implement real-time services with high throughput and low latency; verify, deploy and operate them.
• Wear the customer’s shoes: Understand customer needs and deliver simple, robust, scalable solutions.
• Write it down: Communicate ideas clearly in prose to collaborate with leads, architects and teams.
• Be bold: Scale a complex distributed platform with global points of presence and high availability.
• Draw the owl: Solve voice channel problems with novel approaches.

Skills

Java

Distributed systems

RESTful services

CI/CD pipelines

AWS

GCP

Azure

Kafka

SQS

Prometheus

Datadog

Grafana

AI prompting

On-call

SQL/NoSQL

Team leadership

Education

Bachelor's degree in Computer Science

Tools

Kafka

SQS

Prometheus

Datadog

Grafana

AWS

GCP

OpenStack

Azure

Job description

Twilio seeks a Staff Software Engineer in Ireland for the Voice Connectivity Trust team. This remote role builds and maintains real-time services, collaborating with product managers and cross-functional teams in a distributed production environment.

You’ll own design and delivery across the full software life cycle, advocate scalable architectures, and participate in on-call rotations while advancing AI-assisted development practices.