Remote Staff Backend Engineer role focused on Grafana Alerting: design, build, operate, and maintain distributed systems for alert ingestion, evaluation, and delivery (including Prometheus integration). Responsibilities include driving projects from ideation to operations, owning reliability/performance, participating in on-call rotations, contributing to open-source, and mentoring teammates. Spain compensation range provided: EUR 94,025 - EUR 112,830 per year.

Senior individual contributor responsible for end-to-end integrations with lodging, cars and GDS partners, developing and maintaining high-throughput JVM-based microservices (Scala/Java/Kotlin), troubleshooting distributed production systems, and collaborating with Product and Operations. Role is remote-first based in Spain and emphasizes building resilient, low-latency booking fulfillment services and improving system monitoring.

This remote Staff Software Engineer role (available to candidates in the UK, Germany, Spain, Ireland, and Sweden) will define technical direction for Grafana's authentication systems, lead multi-team initiatives, and implement low-latency, high-throughput identity solutions primarily using Go. The role requires deep expertise in identity standards, distributed systems, reliability practices (SLOs/SLIs), and strong communication and mentorship skills.

Hopper is hiring a Staff Backend Software Engineer to own backend features end-to-end (primarily Scala on GCP), architect scalable solutions for partner integrations, and design AI-assisted workflows (LLMs, agents, feedback loops). The role involves collaborating with PMs and senior engineers in a low-process environment, driving decisions with documentation/specs, and applying distributed systems and product-oriented engineering practices.

Seeking a senior backend engineer experienced with Java and Spring Boot to design and implement REST APIs (OpenAPI), integrate with DB2 via JDBC, apply resilience patterns (timeouts, retries, circuit breakers), and implement contract testing (Pact, Spring Cloud Contract). Role emphasizes automated testing, CI/CD, observability and working with legacy-modernization and integration scenarios. Remote role based in Spain; permanent contract.

CloudLinux seeks an experienced engineer/researcher to define and deliver a runtime protection layer for Node.js processes used by hosted web apps. Responsibilities include instrumentation strategy, implementation, integrating cross-layer threat intelligence, and measuring runtime overhead, detection quality, and customer escalations. Requires deep familiarity with Node.js, web application security, large-scale detection rules, and hands-on ownership of product and engineering tasks.

Build and optimize real-time data pipelines and backend services, develop and deploy ML models for fraud detection, produce production-ready features, and collaborate with platform/backend engineers. Technologies and practices mentioned include PyTorch, Scikit-learn, Go, SQL, Docker, Kubernetes, CI/CD, observability, and work with device/behavioral data and privacy/security requirements. Role is remote and open to candidates in UK, Germany, Ireland, Spain, Poland, Bulgaria, or Lithuania.

Fully remote Software Engineer role contributing to a migration to serverless, event-driven architecture on AWS and to building agentic AI features and evaluation frameworks. Work includes backend engineering (TypeScript/Node.js), AI tooling in Python, AWS serverless services, reliability/observability, and Infrastructure as Code. Hiring across multiple countries (posting lists Spain and United Kingdom); Spain base salary listed from €74,000.

Grafana Labs is hiring a Senior/Staff Backend Engineer for the Grafana Backend Services squad (candidates located in the UK, Germany, Spain, Ireland, Sweden). The role involves building and operating backend APIs and CLI tooling, working with Go, relational databases (MySQL, SQLite, Postgres), orchestration infrastructure, and participating in on-call rotations. Experience with Docker, Kubernetes, CI/CD/DevOps, observability (Grafana/Prometheus), microservices and distributed systems is relevant. UK base compensation range provided; other contract/relocation/visa details are not specified.

Role based in (or eligible for) UK, Germany, Spain, Ireland, or Sweden. Join the Grafana Backend Services squad to develop and operate Grafana backend APIs and related orchestration/CLI components. Responsibilities include feature delivery, design reviews, on-call rotations, mentoring, and cross-team collaboration. Preferred skills: Go, relational databases (MySQL/SQLite/Postgres), Docker/Kubernetes, CI/CD, and experience with observability tools such as Grafana and Prometheus.

Join the Grafana Backend Services squad to develop and operate backend APIs, CLI tooling, and orchestration infrastructure for Grafana Cloud and On-Prem customers. Responsibilities include delivering features, contributing/reviewing design documents, participating in on-call rotations, mentoring teammates, and contributing to open-source projects. The Spain base compensation range is €82,000–€103,000 (annual).

Join Grafana Labs' Backend Services squad to develop and operate Grafana backend APIs, CLI tools, and orchestration infrastructure for both Cloud and On‑Prem customers. The role emphasizes backend development (ideally in Go), relational storage (MySQL, SQLite, Postgres), on‑call ownership, mentoring, and collaboration across squads. Base compensation range in Ireland is €104,000–€130,000.

Grafana Labs seeks a Senior/Staff Backend Engineer to join the Grafana Backend Services squad working on backend APIs, CLI, and orchestration infrastructure for both on-prem and cloud. The role emphasizes Go, relational databases (MySQL, SQLite, Postgres), observability tooling (Grafana, Prometheus), on-call/SRE responsibilities, and collaboration in an open-source, remote environment. In Germany the stated base compensation range is €97,000–€121,000 per year.

Role involves developing and maintaining Kotlin/JVM backend tools, Python-based Blender rendering pipelines, and platform components for 3D asset processing and production workflows. Tech stack includes Kotlin/Java, Python, Blender scripting, glTF, MongoDB/SQLite, FlatBuffers, observability tooling (Prometheus, Sentry), CI/CD and Git. Fluent English required.

TuxCare (CloudLinux) seeks a Java Developer to join the ELS Java Team. Responsibilities include analyzing publicly disclosed Java vulnerabilities (CVEs), identifying compatible dependency versions, backporting security patches to older releases, fixing or mitigating vulnerabilities, and producing maintainable code. Required: 5+ years software development, strong Java core knowledge, experience with dependency management (Maven/Gradle/Ant), Git and CI/CD (Jenkins/GitLab). Role is fully remote with flexible hours and global work location.

Work on Elasticsearch core components for concurrent and consistent indexing, cluster coordination, data allocation and replication across nodes. Requires strong core Java skills, deep knowledge of distributed systems and consensus algorithms, and experience debugging performance and concurrency issues. Typical starting salary range: €67,000–€106,000 EUR.

Join Datadog's REDAPL team to design and build a query engine and other platform components for high-throughput relationship traversal, data ingestion, processing, and querying. The role involves leading technical initiatives, improving scalability, resilience, and performance, and collaborating with internal product teams. Experience with distributed systems, back-end engineering, and graph databases is highlighted.

Work on Datadog's REDAPL platform to build a query engine for efficient relationship traversals and drive projects that increase platform value, resilience, and scalability. Role emphasizes backend and platform engineering, distributed systems at scale, and experience with multiple data stores; familiarity with graph databases, query planning, or production query engines (and Apache Iceberg) is a plus.

Responsible for developing and maintaining core framework and messaging transport components for Kraken's trading engine (Aeron-based). Tasks include designing low-latency, high-availability messaging across unicast/multicast/IPC, tuning system stack for microsecond latency, building durable message replay integrations, implementing security and risk mitigations, and collaborating across distributed teams. Requires 5+ years' C++ experience and familiarity with Linux-based concurrent/low-latency systems; experience with Aeron, UDP/multicast, kernel-bypass techniques, profiling tools, and knowledge of trading systems and crypto is desirable.

Remote Senior Software Engineer for Application Core Services focused on designing, building, operating, and evolving production backend services, APIs, and integrations (e.g., NetSuite, Salesforce) that support customer lifecycle workflows and internal business operations. Role involves full-stack contributions, ownership of services (including on-call), improving CI/CD and test coverage, and collaborating across distributed teams. Candidates considered in Germany, Ireland, Sweden, Spain, and the UK.