Remote Software Engineering and Development jobs open to Spain.

Python

8 years of experience, Active Directory attack expertise, Offensive security experience, Python programming, AD tradecraft knowledge, Technical leadership, Research skills in cybersecurity, Experience with modern hardened environments, Mentoring attack engineers, SCCM attack experience, Hybrid identity attack experience

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.

18 years of experience, Mining project leadership, EPCM contractor management, Constructability reviews, Technical risk management, Value engineering, Multi-discipline technical foundation, Engineering management plans, HAZOP/HAZID facilitation, International travel willingness, Experience in African operating environments

KoBold MetalsKoBold Metals is a US-based B2B company specializing in AI-driven mineral exploration for critical minerals like copper and lithium, essential for the energy transition.

TypeScript · JavaScript · React

6 years of experience, React, React Native, Modern Javascript (ES6/TypeScript), Blockchain fundamentals, Cross-platform/browser compatibility, Continuous Integration, Web-based security threats, Multiple blockchain protocols, Cross-chain bridges, Web3 product knowledge

ConsensysConsensys is a Fort Worth, Texas-based blockchain technology company specializing in decentralized software services and applications on the Ethereum blockchain, primarily serving B2B clients in the Web3 and DeFi sectors.

Server-to-server integrations, AI-powered growth engineering, Marketing Tracking Standards, Causal inference methods, Distributed systems fluency, Modern tracking landscape expertise, Applied AI & ML competency, Data pipeline fluency

LodgifyLodgify is a Barcelona-based B2B vacation rental software provider specializing in management and marketing tools for property owners and managers in the global vacation rental industry.

Kotlin · AWS

8 years of experience, Go, Kotlin, Financial systems architecture, Real-time risk decisioning, Fraud prevention systems, AWS, Distributed systems, Event-driven design, Chargeback management, Scam prevention, CI/CD workflows, Mentorship, Cross-functional collaboration, AI-driven systems

YunoYuno is a global payment orchestration platform headquartered in [location], specializing in B2B payment infrastructure that enables businesses to integrate over 1,000 payment methods through a single API.

Kotlin · AWS

8 years of experience, Go, Kotlin, PCI DSS card vaulting, Tokenization, 3DS/SCA authentication, Payment optimization, AWS, Distributed systems architecture, Event-driven design, Mentorship

YunoYuno is a global payment orchestration platform headquartered in [location], specializing in B2B payment infrastructure that enables businesses to integrate over 1,000 payment methods through a single API.

Python · Kotlin

8 years of experience, Production LLM systems, Agentic systems expertise, Multilingual conversational AI, AI evaluation and safety, Python for AI/ML, Backend engineering (Go/Kotlin), Model serving in cloud environments, Technical leadership in AI projects, Payments or fintech experience

YunoYuno is a global payment orchestration platform headquartered in [location], specializing in B2B payment infrastructure that enables businesses to integrate over 1,000 payment methods through a single API.

Ruby

3 years of experience, Ruby on Rails, PostgreSQL, REST APIs, Sidekiq, Scalable backend development, Debugging, Performance optimization, Clean code practices

2 years of experience, Technical document analysis, Cloud infrastructure experience, Attention to detail, Ability to interpret technical concepts, Experience reviewing engineering reports, Familiarity with technical architecture documentation

MikroTik, Cisco, Fixed Wireless Access (FWA), Point-to-Point (PTP), Point-to-Multipoint (PTMP), OSPF, BGP, Cambium, Ubiquiti / UniFi, Siklu / Ceragon, Customer-facing technical support

TypeScript · JavaScript · Azure

3 years of experience, Power BI, Power Automate, Microsoft Azure, DAX, Data modeling, JavaScript, TypeScript, REST APIs, Webhooks, Dataverse, Microsoft Teams app development, Copilot Studio, AI agents

TypeScript · React · Next.js

TypeScript, React, Next.js, PostgreSQL, AI development, Production web app ownership, Schema migrations, Documentation, DevOps, CI/CD, Infrastructure, Observability

Next.js

Next.js, Storyblok, Server-side tracking, GTM mastery, Technical SEO, Headless CMS experience

WorkMotionWorkMotion is a fully remote HR tech B2B SaaS platform specializing in global remote employment solutions, headquartered virtually with a focus on seamless international hiring and compliance.

Rust · Kubernetes · Docker

5 years of experience, Rust, AI tools, Performance validation frameworks, Distributed data systems, Containerization (Docker, Kubernetes), CI/CD (CircleCI)

InfluxDataInfluxData is a San Francisco-based B2B SaaS provider specializing in InfluxDB, an open-source time series database platform for real-time analytics and monitoring across various industries, including IoT and DevOps.

Python · AWS · Kubernetes

4 years of experience, Python, Go, PostgreSQL, AWS, Docker, Kubernetes, Event-driven architectures, Kafka, Graph database, Cybersecurity background, Data encryption patterns

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.

Python · Kotlin · AWS

8 years of experience, Python, Kotlin, AWS, MySQL, Spark, Kubernetes, Distributed systems, Technical strategy, KYC Verification, Identity Data Management, Global regulatory compliance

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.

Kubernetes

Web crawling, Distributed systems, Kubernetes, Scraping systems, Data quality evaluation, Machine learning training data

ElevenLabsElevenLabs is a Poland-based AI voice technology company specializing in advanced speech synthesis and audio solutions for a global market, operating in both B2B and B2C contexts.

GraphQL · SQL · AWS

7 years of experience, EDR platform familiarity, GraphQL backend development, Third-party API integrations at scale, ETL pipeline development, Cloud platform experience (AWS, Azure, GCP), SQL expertise, Technical documentation skills

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

Typescript + React, Observability and performance optimization, Robust testing and release strategies, CI/CD and DevOps familiarity, AI-assisted tooling experience, Systems-thinking mindset, Collaboration in Agile/Scrum environment

SoSafeSoSafe is a Cologne-based B2B SaaS platform specializing in cybersecurity awareness training and human risk management for enterprises, serving international markets.

Kubernetes

8 years of experience, Kubernetes, Containers, High performance multi-tier applications, Customer-focused implementation, Cross-functional collaboration, Technical communication, Software development processes, Continuous learning

ChainguardChainguard is a remote-first cybersecurity B2B SaaS company specializing in securing open-source software and container images for businesses in the cloud computing industry.

JavaScript · Node.js · PHP

5 years of experience, PHP, JavaScript, Parser generators, Interpreters, Language runtimes, Compilers, Open source contribution, Node.js, Wikitext familiarity, Mentoring engineers, Designing reliable software components

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.

TypeScript · React

5 years of experience, React, TypeScript, Technical SEO, Unit testing, SSR/SSG frameworks

TruvTruv is a remote-first B2B provider of real-time income and employment verification solutions for the financial services industry, headquartered globally and serving lenders and insurers.

JavaScript · Python

3 years of experience, Web application discovery, Crawling and spidering techniques, JavaScript-heavy SPAs, Multi-step authentication flows, Python, Web application security, Performance management, Team scaling, Technical roadmap development, Customer-first mindset, Hands-on experience with web crawling tools

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.

Python · AWS

5 years of experience, Leadership experience, Vulnerability analysis expertise, AI-driven automation, Cybersecurity background, Python programming, Experience with vulnerability disclosure processes, Exploit development, Technical writing skills, Experience with database systems (Postgres, Neo4j), Experience with cloud environments (AWS)

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.

3 years of experience, AI product leadership, Energy technology experience, Remote team management, High standards for team performance, Coaching and developing engineers, Strategic decision-making, Proactive problem-solving, Strong stakeholder collaboration, Values-driven leadership, Experience with diverse company environments

EnodeEnode is an Oslo-based climate tech company providing B2B and B2C APIs for connecting and optimizing energy devices, targeting the global market for sustainable energy solutions.

Kubernetes

5 years of experience, Generative AI, Large language models, RAG pipelines, Agentic AI applications, LangChain, LangGraph, NVIDIA platform development, Nemo, NIM, MLOps, Kubernetes, Cloud-based solution design, APIs, Microservices

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

5 years of experience, SDS, NFS, S3, NVMeoF, Lustre, GPFS, RMDA, FIO, IO500, IOR, HPL, NCCL, MLPerf, Linux administration, Bash, Python, Ansible, Spectrum-X Ethernet, InfiniBand, NVLink Switch fabrics, Ceph, Weka.io, Vast, DDN

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.

Azure · Kubernetes

8 years of experience, Terraform, Microsoft Azure, Azure DevOps, Kubernetes, CI/CD pipelines, GitOps, Linux administration, Azure IAM and RBAC, Microsoft Entra ID, Platform security and governance, Cloud resource automation, AI Platform operations, Internal Developer Platforms

Irium PortugalIrium Portugal is a Lisbon-based B2B IT services provider specializing in managed services, digital transformation, and cybersecurity solutions for businesses across Portugal.

TypeScript · Next.js

3 years of experience, TypeScript, Next.js, Postgres, AI-native, Security literacy, CRM/ERP APIs, Integration experience, Product Management

Wingtra AGWingtra AG is a Zürich-based B2B company specializing in high-precision VTOL drones for surveying and mapping, serving global markets in industries such as construction, agriculture, and mining.

AWS · GCP

5 years of experience, MySQL, PostgreSQL, AWS, GCP, Linux, Terraform, Automation, NoSQL, Database performance optimization, Replication management, Disaster recovery

XsollaXsolla is a Los Angeles-based B2B fintech company specializing in payment software and commerce solutions for the global video game industry.