Senior Software Engineer (Backend)

Canonical Ltd.; Lisboa; Remote; EUR 135,000 - 189,000; Full time

Benefits offered by this job

Distributed work environment

Learning budget USD 2,000 per year

Annual compensation review

Recognition rewards

Annual holiday leave

Travel to company events

Job summary

Canonical Ltd. is seeking a Senior/Staff/Lead Engineer for Launchpad, a Python-driven platform used for open-source development. This remote role, based in the EMEA region, offers architecture leadership, API-first coding, and collaboration across a distributed team.

You will architect and refine a mature system, expand packaging capabilities for Debian/Ubuntu, and mentor colleagues while working with world-class open-source projects like Ubuntu.

Qualifications

• Bachelor’s or equivalent in Computer Science, STEM or similar degree.
• Proven Python development experience with production-ready code.
• Experience maintaining large-scale web apps and PostgreSQL.

Responsibilities

• Influence design and architecture across distributed teams.
• Craft API-first Python code with unit tests for scalable systems.
• Diagnose and fix complex technical challenges with high quality fixes.
• Mentor engineers and lead code reviews to improve practices.
• Deliver remote collaboration while travelling 2–4 times yearly.

Skills

Python

Leadership

Distributed systems

Security-minded

Ubuntu

PostgreSQL

Debian/Ubuntu packaging

Production-grade code

Git

CI/CD

Education

Bachelor’s or equivalent in Computer Science, STEM or similar degree

Tools

Git

Docker

Job description

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the world's leading public cloud and silicon providers, and industry leaders in many sectors. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles. Teams meet two to four times yearly in person, in interesting locations around the world, to align on strategy and execution.

The company is founder-led, profitable, and growing.

We are hiring a Senior/Staff/Lead Engineer to join the Launchpad team and take the lead in shaping the future of open-source collaboration.

Launchpad is a platform for managing open-source development projects. It includes code hosting and review, bug tracking, package building, translations, and other facilities used by free and open-source software developers.

As a senior or staff-level engineer passionate about Linux, web services, and scalable development platforms, you’ll have the opportunity to architect and refine a mature, Python-driven system that supports major projects like Ubuntu. Your work will be instrumental in maintaining business-critical services while driving innovation, whether by expanding package-building capabilities, enhancing developer workflows, or modernizing the web UI.

In this role, you’ll empower developers across the world by ensuring that Launchpad remains a well-structured, high-velocity environment for open-source contribution. As part of Canonical’s globally distributed team, you’ll collaborate with some of the brightest minds in open-source technology, building essential infrastructure that enables the next generation of software development. If optimizing large-scale projects, driving continuous improvement, and supporting developers excites you, this is the perfect opportunity to make a lasting impact.

Location

This is a remote role based in the EMEA region. Candidates will be expected to be located within this region.

The role entails

• Influencing and driving design, architecture, and feature decisions across distributed teams, to ensure high-impact solutions.
• Crafting exceptional, API-first Python code with unit tests, that delivering robust, well-structured systems that scale.
• Diagnosing and resolving complex technical challenges, implementing high-quality fixes that enhance performance and reliability.
• Mentoring and uplifting fellow engineers, leading code reviews that reinforce best practices and elevate team excellence.
• Enjoying the freedom of remote work while staying globally engaged. Travelling internationally 2 to 4 times a year to collaborate in key internal discussions and industry-leading external events—expanding your network, sharing expertise, and shaping innovation on a global stage.

What We Are Looking For In You

• You love technology, working with brilliant people, and solving interesting problems
• You are a strategic thinker who thrives on solving complex challenges and driving innovation
• You are curious, adaptable, and articulate with strong leadership and collaboration skills
• You have proven technical excellence in Python development and delivering high-quality, production-ready code
• You have expertise in maintaining and improving large-scale web applications and database management (PostgreSQL a plus)
• You have a deep understanding of integration, infrastructure, and operations in distributed environments
• You have a security-focused mindset, ensuring robust implementation at every stage of development
• You have a familiarity with Ubuntu as a development and deployment platform
• You have a solid grasp of software packaging systems, including Debian/Ubuntu packages
• You have a Bachelor’s or equivalent in Computer Science, STEM or similar degree

What We Offer Colleagues

We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more often for graduates and associates) to ensure we recognize outstanding performance. In addition to base pay, we offer a performance-driven annual bonus or commission. We provide all team members with additional benefits which reflect our values and ideals. We balance our programs to meet local needs and ensure fairness globally.

• Distributed work environment with twice-yearly team sprints in person
• Personal learning and development budget of USD 2,000 per year
• Annual compensation review
• Recognition rewards
• Annual holiday leave
• Maternity and paternity leave
• Team Member Assistance Program & Wellness Platform
• Opportunity to travel to new locations to meet colleagues
• Priority Pass and travel upgrades for long-haul company events

About Canonical

Canonical is a pioneering tech firm at the forefront of the global move to open source. As the company that publishes Ubuntu, one of the most important open-source projects and the platform for AI, IoT, and the cloud, we are changing the world of software. We recruit on a global basis and set a very high standard for people joining the company. We expect excellence; in order to succeed, we need to be the best at what we do. Most colleagues at Canonical have worked from home since our inception in 2004. Working here is a step into the future and will challenge you to think differently, work smarter, learn new skills, and raise your game.

Canonical is an equal opportunity employer

We are proud to foster a workplace free from discrimination. Diversity of experience, perspectives, and background create a better work environment and better products. Whatever your identity, we will give your application fair consideration.