# Senior Software Engineer

**Company**: Zendesk
**Location**: Remote, Portugal
**Work arrangement**: remote
**Experience**: senior
**Job type**: full-time
**Category**: Engineering
**Industry**: Technology

**Apply**: https://zendesk.wd1.myworkdayjobs.com/en-US/zendesk/job/Remote-Portugal/Senior-Software-Engineer---AI-Copilot--Backend-_R35850?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/job/senior-software-engineer-8efe35c9-e10/

## Description

At Zendesk, our focus is helping our customers build great relationships with their customers.

We are looking for a Senior Software Engineer to join our AI Copilot organisation. AI Copilot is a multi-million ARR product that puts AI directly into the hands of customer service agents and administrators.

**Responsibilities**

- Own and deliver end-to-end product features , from technical design through implementation, testing, release, and iteration.

- Work closely with ML Scientists and ML Engineers to integrate ML-powered capabilities into the product as reliable, user-facing features.

- Contribute to technical design discussions and architecture decisions within your team, with growing influence across teams.

- Build and maintain scalable backend services, APIs, and integrations that support AI-powered product experiences.

- Collaborate with Product Management, Design, and other engineering teams to turn product requirements into well-scoped technical work.

- Improve the reliability, performance, and maintainability of the systems you work on , proactively identifying and addressing technical debt.

- Mentor more junior engineers through code review, pairing, and knowledge sharing.

**Requirements**

- 5+ years of experience building and operating large-scale, Internet-facing applications.

- Fluent in Ruby; working proficiency in Python is a big plus.

- Solid experience with distributed systems, RESTful APIs, and cloud infrastructure (AWS).

- Experience with containerised deployments (Docker, Kubernetes) and CI/CD practices.

- A track record of owning features end-to-end and delivering them to production with high quality.

- Ability to work with uncertainty and the flexibility to pivot with changing priorities.

- Comfort working in a team alongside ML engineers and scientists , you don't need to be an ML expert, but you should be curious and able to collaborate effectively across disciplines.

- Strong collaboration skills and a genuine desire to help the team succeed.

**Preferred**

- Experience with SQL and data infrastructure (Snowflake, dbt) , understanding data pipelines and transformations is valuable in our environment.

- Exposure to LLM integration patterns: prompt engineering, evaluation, monitoring, or multi-provider setups.

- Familiarity with ML pipeline tooling (e.g., Metaflow) or ML frameworks.

- Experience with event-driven architectures (e.g., Kafka).

- Experience with iterative, metrics-driven product development (A/B testing, feature flags, incremental rollouts).

**Tech Stack**

- Our code is written in Ruby and Python

- Our servers live in AWS

- Our ML pipelines use Metaflow

- Our data is stored in S3, RDS MySQL, and Snowflake (with dbt for transformations)

- Our services and models are deployed to Kubernetes using Docker

For more fresh new jobs, check out [yubhub.co](https://yubhub.co/).

## Skills

### Required
- Ruby
- Python
- distributed systems
- RESTful APIs
- cloud infrastructure (AWS)
- containerised deployments (Docker, Kubernetes)
- CI/CD practices

### Nice to have
- SQL
- data infrastructure (Snowflake, dbt)
- LLM integration patterns
- ML pipeline tooling (Metaflow)
- event-driven architectures (Kafka)
- iterative, metrics-driven product development (A/B testing, feature flags, incremental rollouts)

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Source: [Apply at zendesk.wd1.myworkdayjobs.com](https://zendesk.wd1.myworkdayjobs.com/en-US/zendesk/job/Remote-Portugal/Senior-Software-Engineer---AI-Copilot--Backend-_R35850?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)