Remote Software Engineering and Development jobs open to Spain.

Go

Golang or comparable backend language, distributed systems, Kafka, Pub/Sub or SQS messaging

CyberhavenCyberhaven provides an AI-native data security platform for protecting data across human and AI-agent workflows.

Python

8+ years systems/compilers/runtimes, C++, Python, heterogeneous computing, ML graph compilers

Axelera AIAxelera AI builds low-power AI inference chips, accelerator cards, systems and software for embedded, edge and data-center deployments.

Python

8+ years systems/compilers/runtimes, C++, Python, heterogeneous computing, ML graph compilers

Axelera AIAxelera AI builds low-power AI inference chips, accelerator cards, systems and software for embedded, edge and data-center deployments.

Node.js

5+ years backend with Node.js in production, distributed systems, PostgreSQL tuning, observability

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

3+ years Haskell, C, PostgreSQL/plpgsql, open-source contributions, Linux debugging

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

Senior Unity expertise, Proven engineering management experience, Active AI curiosity, Clear, adaptable communication, Strong ownership mindset, Problem-solving depth, Experience shipping live mobile games, Backend knowledge for AI workflows

HomaHoma is a mobile game developer and publisher creating games and providing a platform for market intelligence and game technology.

5 years of experience, Senior Unity expertise, Proven engineering management, Active AI curiosity, Strong ownership mindset, Problem-solving depth, Clear, adaptable communication, Experience shipping live mobile games

Homa GamesHoma develops, publishes and supports mobile games with data-driven tools.

6+ years production systems/dev tooling, agentic coding workflows in production, backend, iOS or Android

ŌuraŌura Health Ltd is a Finnish health technology company headquartered in Oulu, specializing in the Oura Ring, a B2C smart wearable device that tracks health metrics for wellness and fitness, with a global market reach.

Swift

Native iOS (Swift, SwiftUI), shipped engagement features, A/B testing, GMT to GMT+4 preferred

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Kotlin

Native Android (Kotlin, Jetpack Compose), shipped engagement features, A/B testing, GMT to GMT+4 preferred

ElevenLabsElevenLabs builds AI voice, conversational-agent, creative-media, and developer API products.

Python · Rust · Kubernetes

5 years of experience, EDR operation, Linux internals, macOS internals, Telemetry pipelines, SIEM at TB scale, Kubernetes, Python, Go, Rust, Zero-trust access, Identity-aware proxies, Digital forensics, LLM agents, Compliance as code, Web3 interest

Mysten LabsMysten Labs builds blockchain infrastructure, including Sui, for decentralized applications.

Rust · AWS · Kubernetes

Rust, Postgres compatibility, Deterministic Simulation Testing, Formal verification methods, Fuzz testing, Differential testing, AWS, Kubernetes, Embedded databases, Remote team collaboration, Cloud systems observability, Cloud systems reliability, Cloud systems performance

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

5 years of experience, Cloud or SaaS experience, Managing remote engineering teams, Experience with developer tools, SQLite and Postgres ecosystems, Technical credibility in backend systems, Led team shipping developer-facing API, Building psychological safety, Performance management experience, Comfortable with ambiguity, Collaborative and adaptable

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

React

Go, React, Data engineering, Data visualisation, Applied LLM/ML, Mentorship, Distributed team collaboration

CanonicalCanonical develops Ubuntu and open-source infrastructure software, with commercial support for organizations deploying it.

Rust

4 years of experience, C++, Rust, Memory safety, Multi-threaded architecture, Browser technology experience, Excellent communication skills

MozillaMozilla is a family of mission-driven organizations behind Firefox, Thunderbird, open-source AI tools and public-interest technology initiatives.

Python · SQL · GCP

What you'll need: 5+ years of experience as a software engineer; What you'll need: 3+ years of experience engineering with Python as your primary language; What you'll need: An academic background in STEM; What you'll need: Fluency in SQL and other OOPLs; What you'll need: Experience with API development and integration; What you'll need: A practical understanding of distributed systems; What you'll need: The ability to write concurrent code in IO/CPU bound situations; What you'll need: Experience with Docker, K8s, Ansible, Teamcity, monitoring, and alerting; Nice to have: Experience with prototyping and sketching; Nice to have: Multiple side projects or open source contributions; Nice to have: Exposure to GCP

RevolutRevolut provides app-based banking, payments, cards, investing and other financial services.

Senior BSS engineering and product leadership, telecom, CPaaS or SaaS, Amdocs, Oracle, Zuora or similar

VonageVonage is a Holmdel Township, NJ-based cloud communications provider specializing in unified communications and contact center solutions for B2B and B2C markets globally.

Rust

Distributed backend services, Realtime streaming systems, Rust or Go, Financial data experience, Debugging across service boundaries, AI-assisted development, Designing systems for data ingestion and processing

DuneDune is a remote-first B2B SaaS platform specializing in multi-chain crypto data analytics, empowering developers and investors with insights into blockchain ecosystems.

Python · GCP

5 years of experience, Python, Bash, Data pipelines, Large-scale data processing, Cloud infrastructure, GCP, Terraform, Web crawlers, Audio processing

SpeechifySpeechify is an AI-powered text-to-speech SaaS platform headquartered in the US, focusing on accessibility and productivity for a global audience.

Python · GCP

5 years of experience, Python, Bash, Data pipelines, Large-scale data processing, Cloud infrastructure, GCP, Terraform, Web crawlers, Audio processing

SpeechifySpeechify is an AI-powered text-to-speech SaaS platform headquartered in the US, focusing on accessibility and productivity for a global audience.

TypeScript · React · Go

5+ years full-stack, shipped dApps, viem/wagmi, smart wallets, Golang and TypeScript, React, English B2

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

TypeScript · Python · Kubernetes

Go, TypeScript, Python, Cloud-native security, Kubernetes, Automating security processes, ISO 27001, SOC 2, PCI DSS, NIST, GDPR, Interpersonal communication

Grafana LabsGrafana Labs builds Grafana Cloud and develops open-source observability projects including Grafana, Loki, Tempo, and Mimir.

TypeScript · Python · Kubernetes

Go, TypeScript, Python, Cloud-native security, Kubernetes, ISO 27001, SOC 2, PCI DSS, NIST, GDPR, Automating security processes, Interpersonal skills

Grafana LabsGrafana Labs builds Grafana Cloud and develops open-source observability projects including Grafana, Loki, Tempo, and Mimir.

Java · GCP

Leading data or backend engineers, large-scale data pipelines, CET/GMT hours; GCP, BigQuery, Scala or Java valued

SpotifySpotify is an audio streaming service that offers music, podcasts and audiobooks to listeners worldwide.

Salesforce

4+ years Salesforce development, Apex, Lightning Web Components, Platform Developer II cert, English and Spanish

NuvolarNuvolar is a Barcelona-based B2B digital innovation consulting firm specializing in cloud-based Salesforce applications and data engineering solutions for various industries, including healthcare and e-commerce.

Python · Kubernetes

8 years of experience, GPU cloud architecture, InfiniBand subnet management, RoCEv2 Ethernet designs, Data center network design, Kubernetes networking for AI, Multi-tenant isolation techniques, Linux networking expertise, Programming in Python or Go, Customer-facing solutions architect experience, Research and prototype emerging AI networking technologies

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.

TypeScript · Python · Java

Open Source Contributions, Backend Development and API Design, Python, Java, C++, Go, Rust, TypeScript, Debugging and Troubleshooting, Automated Testing and Code Validation, Performance Optimization

Weekday AIWeekday provides AI-assisted candidate sourcing and recruiting services for employers.

TypeScript · JavaScript · React

Python, React, JavaScript, Java, Node.js, Rust, Golang, TypeScript, Cross-language development, End-to-end troubleshooting, Complex debugging, Code review and validation, Technical problem-solving

Weekday AIWeekday provides AI-assisted candidate sourcing and recruiting services for employers.

Python

Published Python library maintenance, strict typing, asyncio, Python packaging, open source maintainer work

SupabaseSupabase is a Postgres development platform providing databases, authentication, storage, APIs and related developer tools.

Python · Kotlin · AWS

2+ years software engineering, backend in Python or Kotlin, AWS, MySQL, Kubernetes, on-call rotation

AffirmAffirm operates a payment network that gives consumers flexible ways to pay and helps merchants grow.