Senior PostgreSQL Database Engineer (remote/EMEA and listed cities). Provide expert support to customers on complex PostgreSQL issues, perform investigations and live troubleshooting, contribute documentation and community content, and work with Kubernetes, Linux, cloud services (AWS/Azure/GCP), and related Postgres tooling. Role requires deep PostgreSQL expertise and fluent English.

Lead the evolution of an internal Database-as-a-Service: design HA deployments (PostgreSQL, ClickHouse, MongoDB, Redis), scale analytics ClickHouse clusters, maintain Airflow/Redash infrastructure, implement Reliability-as-Code (SLO/SLI, self-healing), and modernize stack using Terraform, Ansible, Kubernetes and cloud providers. Remote role supporting global teams.

As an experienced SDET II on the Pro team, you will design, build, and own automated testing frameworks for backend APIs and trading workflows, drive CI/CD and automation improvements, review designs and MRs for testability, investigate distributed system failures, and mentor engineers. The role expects strong engineering skills in Python/Rust/C++, deep backend and API testing experience (REST, WebSocket, gRPC, FIX), and experience with containerised CI/CD environments and real-time trading systems.

Chainlink seeks a Senior Site Reliability Engineer for the Observability team to design, deploy, and operate an OTEL-based observability platform supporting metrics, logs, and traces. The role requires experience with monitoring and logging (Prometheus, Grafana, ELK/Splunk), Kubernetes and container orchestration, infrastructure as code (Terraform/Terragrunt), and strong programming skills; it expects 7+ years of relevant experience. The position is global/remote with an expectation to overlap some hours with Eastern Standard Time.

Join Canonical's Server Certification team to develop and maintain open-source Python-based testing tools (Checkbox, Testflinger), troubleshoot hardware compatibility and performance issues on Ubuntu Server, support hardware partners in certification efforts, and assist internal teams on datacenter/cloud product deployments. Role is home-based in the Americas (team centered in North and South American time zones) and involves global travel approximately 2–4 times per year. Required skills include Python, shell scripting, familiarity with server-class hardware, virtualization/container technologies, and test automation/CI-CD concepts; position is customer-facing.

Canonical is hiring junior engineers to work across Ubuntu Engineering (Foundations, Server, Desktop, Debcrafters). Responsibilities include designing, building and shipping software; packaging and integrating open source software into Ubuntu repositories; debugging and testing; authoring documentation; and contributing to upstream projects. Remote roles are available worldwide; occasional travel (up to twice a year) is expected.

Long-term independent contractor based in Argentina. Provide technical support for BriteCore's Policy Administration System (PAS), build relationships with customers via phone/email/video, troubleshoot complex issues using debuggers, logs, MySQL, DataDog and Python, document reproducible JIRA defects and resolutions, test APIs, upgrade legacy data/reporting (Quicksite datasets), and collaborate with DevOps on monitoring and uptime.

Close is hiring a US-based (ET/CT/MT/PT) Site Reliability Engineer to automate multi‑terabyte databases (MongoDB, PostgreSQL, Elasticsearch), improve failover and disaster recovery, own telemetry and CI/CD (Grafana LGTM, ClickHouse, GitHub Actions, ArgoCD), and push identity-based auth and short-lived credentials. Senior (5+ years) or Staff (8+ years) candidates with strong production incident experience, cloud (AWS) and Kubernetes expertise, and observability/automation skills are encouraged to apply.

Globally remote sustaining operations role providing final-point escalation for complex Linux and open-source stack issues. Responsibilities include deep debugging and troubleshooting across layers (bare metal, virtualization, containerization, storage, networking), collaborating with field/support/product teams, producing workarounds and upstream fixes, and participating in weekend rotations and occasional international travel (≈10%).

Remote role (worldwide) resolving complex customer issues across the open-source stack including Linux kernel, Ceph, OpenStack, Kubernetes and related layers. Responsibilities include troubleshooting, developing bug fixes and backports, working with upstream communities, code review, and collaborating with field/support/product teams. Role requires experience with Linux and at least one of Python, Go, C or C++ and includes up to ~10% international travel for team events.

Work on open-source infrastructure and operations software (primarily Python, also Golang) across the Linux stack, including kernel, networking, storage, virtualization, containers, Kubernetes and OpenStack. Responsibilities include designing and delivering infra-as-code, building monitoring and alerting, applying testing and engineering principles, following agile practices, and coaching colleagues. Role is global/home-based with up to 10% travel. Required: strong Python skills, practical Linux and networking knowledge, and cloud computing concepts; bonus: CS degree and Golang experience.

Develop and maintain Python-based tooling and build/packaging systems (snapcraft, charmcraft, rockcraft) to support publication of snaps, charms and rocks. Work with GNU/Linux internals, build systems and toolchains (including cross-compilation), container technologies (Docker, Kubernetes, LXD), and CI systems. Role is home-based for candidates located in the Americas.

Build and maintain a portfolio of Ubuntu-based container images; implement and maintain CI/CD automation for building, testing and publishing images; write tools and tests for security compliance and cloud-native compatibility; contribute to Python- and Go-based tools and open-source projects; participate in code and architecture reviews, documentation and mentoring. Remote, distributed role with up to 15% travel.

Work remotely as a Software Engineer contributing to Ubuntu on public clouds: develop, test and release improvements to cloud images. Role requires excellent Python on Linux, experience with image creation and at least some knowledge of Ubuntu systems administration, apt and Debian packaging, plus testing, debugging and collaborating with distributed teams and cloud partners. Travel of ~2–4 weeks per year is expected.

Build and maintain Charmed OpenStack and Ceph (Python charms) to deploy and manage OpenStack and Ceph across diverse environments and architectures. Collaborate with a distributed team, write and review high-quality code, debug and fix issues, and ensure success on multiple architectures (including non-x86). Role involves working from home with international travel several times a year.

Canonical seeks engineers for the OpenSearch team to build and automate features of data platforms (not data analysis). Responsibilities include writing idiomatic Python, developing distributed systems, ensuring fault-tolerant replication, TLS, installation and operations, debugging, and engaging with upstream communities. Role is remote across EMEA with travel up to ~4 times/year.

Work on Linux, cloud infrastructure, pipelines and automation to build reliable image delivery and integration with public cloud platforms (AWS, Azure, GCP). Responsibilities include pipeline development (Python, Jenkins, shell), adding cloud-related features to Ubuntu Server, debugging, code reviews, and partner engagement. Requires practical public cloud experience and experience in Python development on Linux; interest/experience in containers, devops automation, open source, APIs, Linux admin, or Python packaging.

Work remotely as part of Canonical’s IS team to develop and operate infrastructure as code, automate software operations across private and public clouds, maintain core services and improve resilience and scalability. Role requires experience with IaC, CI/CD, Linux administration, Python, cloud and container technologies, and observability tools such as Prometheus, Grafana and Elasticsearch. English communication skills are required.

Manage and lead a distributed site reliability/devops team in APAC and EMEA, delivering managed services and infrastructure-as-code solutions. Responsibilities include day-to-day agile devops practices, stakeholder representation, project coordination, mentoring engineers, implementing engineering and operations processes, and meeting service level agreements. Role requires strong Linux and operations expertise, experience with cloud and container technologies (Kubernetes), and willingness to travel twice yearly.

Canonical is hiring a globally remote Site Reliability Engineer to deploy and operate OpenStack, Kubernetes, storage and open source applications. The role requires strong Linux and Python skills, networking and cloud knowledge, experience with Kubernetes deployment/operations, and the ability to operate mission-critical services. Candidates should be able to travel internationally twice a year for company events.