E
Elastic
Senior Software Engineer (Streams, Observability)
Skills
DockerRubyGolangJavaPostgreSQLMySQLKafkaAIGitHubKubernetes
20 hours ago
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Important information
Contract type:
Permanent
Salary:
€67,000 – €106,000 / year
Location:
Madrid, Spain
Work mode:
Onsite
Published on:
22 October 2026
What they need
- The Observability Streams team at Elastic is building Elastic’s unified data pipeline - the layer that connects where your data comes from to where it lands, with full control over how it’s processed and routed along the way
- Whether you’re collecting metrics from cloud accounts, shipping logs from agents, or routing traces to different destinations, Streams is what ties it all together
- The Streams Backend team is responsible for the backend services powering this pipeline, ensuring data is routed, processed, and delivered efficiently and reliably at scale
- We also own Logstash, the open-source streaming ETL tool (and the “L” in the “ELK stack”) trusted by enterprises worldwide to move and transform data, and we are regular contributors to the OpenTelemetry Collector
- As a Senior software engineer on the Streams Backend team, you will help drive the design and development of new features across the Streams Backend service and Logstash, contribute to the OpenTelemetry Collector, and support our users and enterprise customers
- Our team is distributed across the globe, and we communicate mostly through Slack, GitHub, email and Zoom
- Designing and implementing new features for Logstash and its plugins in Java and JRuby
- Designing, building, and operating core backend services for the Streams program in Golang
- Adding new features, and making contributions to the Open Telemetry Collector in Golang
- Solving hard distributed systems problems at scale
- Maintaining, updating and improving existing code and dependencies while ensuring automated test coverage
- Engaging with multiple public GitHub repositories and community forums
- Providing Pull Request reviews and guidance to your peers
- Collaborating with other teams to drive product goals
- Working together with the support organization to help our customers, which will also include participating in an on-call rotation
Benefits
- Toast to your health: Fully paid health coverage for you and your family, in many locations.
- Craft your calendar: Flexible location and schedule for most roles.
- Create space for you: Distributed by design workforce, plus generous number of vacation days each year.
- Embrace parenthood: Minimum of 16 weeks of parental leave, plus generous family formation benefits.
- Give back your time: 40 hours each year to use toward volunteering with organizations and causes you’re passionate about.
- Amplify your impact: Double your charitable giving — we match donations up to $1500 USD (or local currency equivalent).- Critical thinking, positivity, autonomy and adaptability
- Expertise in at least one of Java, Golang and Ruby, and willingness to learn and work with the others and ability to adapt to regularly working in different codebases
- Ability to work in a remote-first, highly distributed environment, with top-notch verbal and written communication
- A proven track record of using AI to accelerate development, debug complex systems, and optimize code, while still owning the final outcomes
- Clear written communication and the ability to work proficiently in a remote-first, highly distributed team
- Proficient analytical, problem solving, debugging skills and ability to find efficient solutions
- Familiarity with observability tools and concepts (tracing, metrics, logging), especially experience with or interest in OpenTelemetry
- Hands-on experience with Docker and Kubernetes
- JRuby development
- Open source software development
- Knowledge of stream processing platforms (such as Kafka), database technologies (e.g., Postgres or MySQL) and network technologies (e.g., TCP, UDP and HTTP)
- Exposure to the Elastic stack
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