NVIDIA seeks a Senior Systems Software Engineer to drive performance and scale characterization of the DGX Cloud stack (Kubernetes control/data planes and NVIDIA components such as GPU Operator, Network Operator, DCGM, NIM). Responsibilities include designing and implementing performance/scale tests, developing monitoring and CI/CD frameworks, triage and root-cause analysis of large-scale distributed systems, and engaging with upstream open-source communities. The role requires 8+ years of relevant experience and expertise in Kubernetes, distributed accelerator-based systems, performance benchmarking/modeling, and proficiency in Golang or Python.

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.

Join the globally distributed Elasticsearch Search team to lead work on vector search and vector databases within Elasticsearch. The role requires strong Java skills, experience with vector similarity algorithms (e.g., HNSW, IVF), and familiarity with search systems (Elasticsearch, Lucene) and data storage technologies.

Join the Elasticsearch Search Scaling team to define and implement the next generation of core search and indexing capabilities. The role focuses on research and development of search infrastructure, data structures, and retrieval algorithms, collaborating across teams to shape long-term technical vision. Requires deep expertise in search internals, large-scale search or distributed systems, and strong Java and algorithmic skills.

You will author merged PRs and build integrations (libraries, agent frameworks, MCP servers, automation platform connectors) so developers and AI agents can access SearchApi. Required: proven merged open-source contributions in repos you don't own, fluency with Ruby/Python/TypeScript and at least one agent/automation framework, and strong written English for docs and PRs.

SearchApi seeks an experienced engineer to own the browser stack: patch browser engines (Chromium/Firefox) in C++, maintain per-OS fingerprint profiles, eliminate automation-detection signals (navigator, WebGL, canvas, audio, fonts, Client Hints, CDP leaks), and build tooling and tests to prevent regressions. The role requires deep reverse-engineering skills, familiarity with large browser build systems, and proven contributions to browser-engine patches or stealth tooling.

DuckDuckGo is hiring a Senior Privacy Engineer to work on the Privacy Functional Team. The role involves designing privacy-preserving systems (e.g., for search indexes and AI features), building on the Tracker Radar crawler, implementing and maintaining features like Web Tracking and Email Protections, and participating in privacy review and audit processes. Required technical work includes writing pragmatic, performant, testable code primarily in Go, Node.js, Python, and sometimes Perl. The position is remote (specified for many countries), full-time (~40 hours/week), includes expected travel for company meetups (~2 times/year), and lists compensation of $178,500 USD annually plus stock options.

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.

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.

NEORIS seeks a Senior Full Stack Developer (AI-Native) to develop and maintain full-stack applications with emphasis on backend (Java, Spring Boot) and frontend (Angular). Responsibilities include designing microservices and REST APIs, participating in CI/CD pipelines (Jenkins), containerized deployments (Docker, OpenShift), working in Agile/Scrum teams, code reviews, debugging, and integrating AI tools to assist development. Required: more than 5 years' experience, Java/Spring Boot, Hibernate/JPA, Angular/TypeScript/JS, relational databases (Oracle/PostgreSQL), Git, microservices, Jenkins, Docker/OpenShift, and practical use of AI development tools.

Senior Frontend (Angular) role focused on developing and maintaining Angular applications, collaborating with backend/architecture teams, implementing automated tests, participating in code reviews and CI/CD/deployment automation. Role expects use of AI tools (e.g., GitHub Copilot, ChatGPT) to support AI-native engineering practices. Required: 5+ years frontend experience, TypeScript, HTML5, CSS3, Git, automated testing and experience with Atlassian tools in Agile environments. English C1.

Lead design and development of security agent capabilities powering runtime threat detection and workload protection across Datadog Security products. Work includes building eBPF-based monitoring, kernel-level instrumentation, performance-sensitive systems, and large-scale data collection, and partnering with cross-functional teams to deliver platform capabilities.

Ashby is hiring Design Engineers who both design and ship production code. The role focuses on solving complex UX/UI problems, expanding the in-house design system, building composable components, and shipping to large user volumes. The posting covers mid and senior levels (this posting expects 2+ years of relevant experience). Interview stages include an intro with the VP of Engineering, a technical screen or design take-home, and deep-dive interviews. Primary technologies: TypeScript, React, GraphQL, Node.js, Postgres, Redis.

Work on Elasticsearch distributed systems components including concurrent and consistent indexing, cluster coordination, shard/node scaling, and performance/concurrency issues. Requires strong background in distributed systems, consensus algorithms, core Java, algorithms, and experience owning and managing multi-engineer projects.

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.