Remote Backend Developer jobs open to Spain.

Kubernetes

Kubernetes, Datacenter experience, Distributed systems, Go, Terraform, Crossplane, Cluster-API, Networking components management, Operating code

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Kubernetes

Kubernetes, Distributed systems, Datacenter experience, Go, Terraform, Crossplane, Cluster-API, Tinkerbell, Talos, Ceph, Networking management

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

AWS · Kubernetes

8 years of experience, Go, Trust Accounting, Financial systems, AWS, Kubernetes, CI/CD, Cross-team influence, Backend architecture, Production-grade services

HostawayHostaway is a USA-based B2B SaaS provider specializing in vacation rental management software, serving property managers with 2-5,000+ properties globally.

Go · AWS · Kubernetes

8 years of experience, Trust Accounting subsystem, Production-grade financial infrastructure, AWS, Kubernetes, CI/CD pipelines, Golang, Financial systems familiarity, Architectural design, Cross-team influence

HostawayHostaway is a USA-based B2B SaaS provider specializing in vacation rental management software, serving property managers with 2-5,000+ properties globally.

Kubernetes

Kubernetes management, Datacenter experience, Crossplane, Terraform, Go, Distributed systems, On-call rotation, Cluster networking management

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

PHP

6 years of experience, PHP, Go, High-traffic systems, Decomposing monoliths, API design, AI coding tools, Cloud environment, Event-driven architecture

HostawayHostaway is a USA-based B2B SaaS provider specializing in vacation rental management software, serving property managers with 2-5,000+ properties globally.

Python · Kubernetes · Docker

7 years of experience, Bash, Python, CI/CD systems, Container image building, Docker, Podman, Kubernetes, Linux systems, Security compliance, Cloud-native compatibility, Open source project contributions

CanonicalCanonical is a London-based B2B open-source software company specializing in Ubuntu and providing commercial support services to global enterprises in sectors like cloud, IoT, and data science.

Java · Kotlin

7 years of experience, Kotlin, Java, Distributed systems, Cloud infrastructure, Platform engineering principles, CI/CD, Observability, AI tools, Web3 passion

OpenseaOpenSea is a Miami-based B2C NFT marketplace specializing in buying, selling, and trading digital assets across multiple blockchains, serving the global crypto collectibles and digital art markets.

Java · Kotlin

7 years of experience, JVM languages (Kotlin, Java), Distributed systems design, Cloud infrastructure, Platform engineering principles, AI tools and workflows, Web3 passion, CI/CD and observability

OpenSeaOpenSea is a leading NFT marketplace headquartered in either Miami or New York, specializing in B2C transactions of digital assets across multiple blockchains in the crypto/Web3 industry.

Python

3 years of experience, Compiler optimizations, MLIR, C/C++, Python, AI workload implementation, LLM inference, Compiler framework design

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

TypeScript · Node.js

Staff-level architectural ownership, Distributed systems depth, Data architecture at scale, Configurable systems at scale, TypeScript & Node.js depth, Cross-team technical leadership, Platform enablement mindset, Long-horizon engineering

n8nn8n is a Germany-based B2B SaaS workflow automation platform that integrates over 400 tools and services, targeting industries like IT and fintech with a focus on low-code and AI functionalities.

Kubernetes

Go, Distributed systems, Cloud-native microservices, High availability systems, Operational excellence, Kubernetes, CockroachDB, NATS JetStream, CI/CD pipelines, Test automation, End-to-end project ownership

Form3 (via Otta)Form3 is a London-based fintech B2B SaaS provider specializing in Payments-as-a-Service, offering cloud-native payment solutions for financial institutions and regulated fintechs in the UK.

Python · Kubernetes · Docker

5 years of experience, Python, Linux, Automated testing frameworks, Distributed systems, Kubernetes, Docker, AI-assisted coding tools

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

Python · AWS · Azure

8 years of experience, HPC and AI solution technologies, Job scheduling tools (Slurm, K8s), Linux networking (Redhat/CentOS, Ubuntu), Storage solutions (Lustre, GPFS, Weka.io), Python programming, Automation tools (Jenkins, Ansible), Networking Protocols (InfiniBand, Ethernet), Virtual systems (VMware, Hyper-V), Cloud computing platforms (AWS, Azure)

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

Python · Kubernetes

Kubernetes, Terraform, Datacenter experience, Distributed systems, Go, Python, Shell, On-call rotation, Crossplane, Cluster-API, Tinkerbell, Talos, Ceph

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Java

5 years of experience, Java, Spring Boot, Asynchronous messaging, Microservices, Financial services understanding, Crypto experience, Design patterns knowledge, Product lifecycle experience

BVNKBVNK is a UK-based fintech B2B platform specializing in stablecoin payment infrastructure, enabling businesses to send, receive, and convert currencies globally.

Kubernetes

Platform engineering experience, Cloud environment experience, Infrastructure as Code with Terraform/Crossplane, Kubernetes administration, Experience with observability systems, CI/CD platform management, Build and deployment automation

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Python

Strong C proficiency, Linux kernel development, Backporting patches, Git, GNU build tools, Building Linux kernels, Python, Go, Shell scripting, AI-assisted development tools, Intermediate English

Python · Kotlin · AWS

4 years of experience, Python, Kotlin, AWS, MySQL, Kubernetes, Distributed systems, Technical planning, Code quality, Mentorship, On-call rotation

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

SQL

5 years of experience, C#, Microservices architecture, AI tools usage, Architectural decision-making, Data modeling, MS SQL, Unit & integration testing, CI/CD, Web security fundamentals, Integrating LLM/AI features, Strong OOD principles, Good communication skills

Access SoftekAccess Softek is a remote-first B2B fintech company specializing in digital banking solutions and real-time payment systems for financial institutions, headquartered in an unspecified location.

5 years of experience, InfiniBand, Fortinet solutions, HPC networking, TCP/IP, BGP, OSPF, VLANs, QoS, network design, network performance analysis, Linux, scripting, automation, AI/ML infrastructure, RDMA, MPI, low-latency networking

MirantisMirantis is a Campbell, California-based B2B company specializing in open source cloud computing and Kubernetes-native AI infrastructure, serving diverse sectors including automotive, healthcare, and financial services.

Python

Python, Go, Agentic systems, Self-improvement loops, Backend architecture, Cross-functional leadership, Research workflows

poolsidePoolside AI is a Paris-based B2B SaaS company specializing in enterprise AI solutions for software development, targeting businesses globally.

Python · Kubernetes · Docker

Python, Linux, public clouds, containers (docker, kubernetes), devops automation, open source projects

CanonicalCanonical is a London-based B2B open-source software company specializing in Ubuntu and providing commercial support services to global enterprises in sectors like cloud, IoT, and data science.

Go · Kubernetes

1 years of experience, Golang, SaaS experience, Distributed systems concepts, Kubernetes, Infrastructure-as-code tooling, Incident response experience, Stateful systems, Reconciliation loops

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Go · AWS · Azure

1 years of experience, Golang, SaaS experience, Kubernetes in AWS/GCP/Azure, Infrastructure-as-code tooling, Stateful systems, Incident response, Reconciliation loops

Grafana LabsGrafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Python

Python, Distributed systems, Real-time analytical systems, AI tools usage, Fluent in English and Spanish, On-call rotation participation, Performance and reliability focus

TinybirdTinybird is a serverless real-time analytics platform headquartered in Madrid, specializing in B2B solutions for developers and data teams to build scalable analytics applications using ClickHouse.

JavaScript · PHP

1 years of experience, PHP, Javascript, Relational databases, Security principles, Abuse fighting familiarity, Cross-team objectives, User and product impact

Wikimedia FoundationThe Wikimedia Foundation is a San Francisco-based nonprofit organization providing free, multilingual educational content through its wiki-based projects, including Wikipedia, targeting a global audience.

GraphQL · SQL · AWS

7 years of experience, EDR platform familiarity, Detection logic understanding, GraphQL backend development, SQL proficiency, Cloud platform experience (AWS, Azure, GCP), ETL pipeline development, Telemetry and API knowledge

Horizon3 AIHorizon3.ai is a remote cybersecurity company specializing in the NodeZero autonomous pentesting SaaS platform, serving global enterprises and federal agencies in the B2B sector.

TypeScript · React

Full-stack product engineering, TypeScript, React, Backend language proficiency, Product sense, Ability to thrive in ambiguity, Understanding of ML model workflows

poolsidePoolside AI is a Paris-based B2B SaaS company specializing in enterprise AI solutions for software development, targeting businesses globally.

AWS

3 years of experience, C#, User-facing product development, GitHub, CI/CD understanding, Fluent English communication, Clean code philosophy, Experience with .NET Framework, Experience with AWS CloudWatch