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Reposted 7 Days AgoSaved
Remote
Hungary
Senior level
Senior level
Information Technology • Consulting
Senior systems engineer to design and optimize Rust-based, high-performance execution engines for distributed Big Data systems (Spark, Hadoop, Ray). Responsibilities include low-level performance tuning (SIMD, cache locality, zero-copy I/O), concurrency and memory-layout optimization, owning performance-critical components end-to-end, and rapidly improving unfamiliar codebases.
Top Skills: SparkHadoopRayRustSimdZero-Copy I/O
Reposted 7 Days AgoSaved
Remote
Serbia
Senior level
Senior level
Information Technology • Consulting
Design, build, and maintain scalable cloud infrastructure (AWS/GCP); own CI/CD pipelines; collaborate with R&D to optimize Ruby on Rails deployments and performance; support and scale AI/ML infrastructure; implement monitoring, logging, and incident response to ensure reliability.
Top Skills: AWSBundlerCi/CdCloudFormationDockerEcsGCPGpuKubernetesLlm ProvidersMilvusPassengerPgvectorPineconePumaRuby On RailsTerraform
Reposted 7 Days AgoSaved
Remote
Armenia
Senior level
Senior level
Information Technology • Consulting
Design, build, and maintain scalable AWS/GCP infrastructure; streamline CI/CD; collaborate with R&D to optimize Ruby on Rails deployments and performance; implement monitoring, logging, and incident response; support AI/ML infrastructure scaling.
Top Skills: AWSBundlerCi/CdCloudFormationDockerEcsKubernetesPassengerPumaRubyRuby On RailsTerraform
Reposted 7 Days AgoSaved
Remote
Latvia
Senior level
Senior level
Information Technology • Consulting
Senior systems engineer to design and optimize high-performance Rust-based execution engines for distributed data systems (Spark, Hadoop, Ray). Responsibilities include low-level performance tuning (SIMD, cache locality, zero-copy IO), multithreading, memory/layout optimizations, owning components end-to-end, and diving into unfamiliar codebases to deliver production-grade infrastructure.
Top Skills: SparkConcurrencyCustom AllocatorsHadoopMemory Layout OptimizationMulti-ThreadingNetworkingRayRustSimdZero-Copy Io
Reposted 10 Days AgoSaved
Remote
România
Senior level
Senior level
Information Technology • Consulting
Design, build, and maintain scalable cloud infrastructure (AWS/GCP); implement IaC (Terraform/CloudFormation); manage containers and orchestration (Docker, Kubernetes/ECS); streamline CI/CD; debug and optimize Ruby/Rails deployments (Bundler, Puma/Passenger); implement monitoring, logging, and alerting; support AI/ML infrastructure needs and GPU scaling.
Top Skills: AWSBundlerCi/CdCloudFormationDockerEcsGCPGpuKubernetesLlm ApisMilvusPassengerPgvectorPineconePumaRubyTerraform
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Reposted 10 Days AgoSaved
Remote
Ukraine
Senior level
Senior level
Information Technology • Consulting
Lead design, build, and maintenance of scalable cloud infrastructure (AWS/GCP); streamline CI/CD; manage containers and orchestration; optimize Ruby/Rails deployments; support AI/ML infrastructure (vector DBs, LLM integrations, GPU scaling); implement monitoring, logging, and incident response; collaborate closely with a small R&D team to improve reliability and deployment velocity.
Top Skills: AWSBundlerCi/CdCloudFormationDockerEcsGCPGpu ScalingKubernetesLlm ProvidersMilvusPassengerPgvectorPineconePumaRubyTerraform
Reposted 10 Days AgoSaved
Remote
Ukraine
Junior
Junior
Information Technology • Consulting
Source, screen, and manage end-to-end recruitment for IT roles; build candidate pipelines; create job descriptions and outreach; maintain ATS and candidate records; liaise with clients and hiring managers; run technical screenings and negotiate offers to deliver strong candidate experiences.
Top Skills: Applicant Tracking System (Ats)GitLinkedInStack Overflow
Reposted 10 Days AgoSaved
Remote
Bulgaria
Senior level
Senior level
Information Technology • Consulting
Design, build, and maintain scalable cloud infrastructure (AWS/GCP); manage IaC (Terraform/CloudFormation); run containers and orchestration (Docker, Kubernetes, ECS); streamline CI/CD; optimize Ruby/Rails deployments; support AI/ML infra; implement logging, monitoring, and incident response to ensure reliability.
Top Skills: Amazon EcsAWSBundlerCi/CdCloudFormationDockerGCPGpuKubernetesMilvusPassengerPgvectorPineconePumaRuby on RailsRubyTerraform
Reposted 10 Days AgoSaved
Remote
Poland
Senior level
Senior level
Information Technology • Consulting
Design, build, and maintain scalable AWS/GCP cloud infrastructure using IaC. Streamline CI/CD, manage containers and orchestration, optimize Ruby/Rails deployments, support AI/ML infrastructure needs, and implement logging, monitoring, and incident response to ensure high availability.
Top Skills: AWSBundlerCi/CdCloudFormationDockerEcsGCPGpuKubernetesMilvusPassengerPgvectorPineconePumaRuby on RailsRubyTerraform
12 Days AgoSaved
Remote
México
Senior level
Senior level
Information Technology • Consulting
Build and optimize native Rust execution engines for distributed Big Data systems. Responsibilities include accelerating Apache Spark, Hadoop, and Ray; tuning performance through SIMD, cache locality, and zero-copy I/O; and developing performance-critical components involving memory management, concurrency, networking, and hardware/software boundaries. The role requires end-to-end ownership, rapid codebase optimization, and effective collaboration in a high-autonomy environment.
Top Skills: SparkHadoopRayRustSimd
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