Remote Software Engineering and Development jobs open to Spain.

Python

Python, Scraping Google, Dynamic rendering, Browser automation, Data extraction techniques, Asynchronous architectures, Headless browser fingerprinting, Anti-bot evasion techniques

AdthenaAdthena is a B2B SaaS platform specializing in AI-driven search intelligence for competitive analysis in search marketing, headquartered remotely with a global client base.

5 years of experience, Distributed systems expertise, Performance optimization, Large-scale data platforms, Data pipeline architecture, Observable systems building, Search platform experience (Vespa, Elasticsearch, Solr)

AlphaSenseAlphaSense is a New York City-based B2B fintech platform specializing in AI-driven market intelligence and search solutions for financial institutions and top companies globally.

Rust

LLM tooling, Rust, Go, Static analysis, Program analysis, Taint analysis, Application security, SAST rules, Architecture definition, Mentoring engineers

GitLabGitLab provides a DevSecOps platform for planning, building, securing and delivering software.

3 years of experience, AI-native development, Experience with AI tools, End-to-end project delivery, Ability to learn unfamiliar technologies, Game engine experience, C++ 14/17 knowledge

PlayrixPlayrix is a Dublin-based mobile game developer specializing in free-to-play casual puzzle and city-building games, with a global reach and a B2C business model.

Swift

4 years of experience, Swift, SwiftUI, UIKit, iOS architecture, Modularization, Automated testing, CI/CD, Performance monitoring, Mobile security, Cross-functional collaboration

FAIRTIQ AGFAIRTIQ makes a mobile public transport ticketing app that lets passengers check in and out and pay afterward for the journeys they take.

React

React Native, Asian market experience, End-to-end feature ownership, Product-building mindset, APIs and real-time data, Versatility with AI tools, Consumer mobile app experience

KrakenKraken is a financial platform where individuals and institutions trade crypto, stocks, ETFs, and futures.

Python · Kubernetes

8 years of experience, Data center network design, InfiniBand expertise, RoCEv2 on Ethernet, Kubernetes networking, Multi-cloud connectivity, Linux networking, Programming in Python or Go, Customer-facing experience, Research in AI networking technologies, Prototyping alternative designs

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.

Rust

6+ years backend, deep Rust, async network services, distributed systems and Kafka, AI-first development workflow

KrakenKraken is a financial platform where individuals and institutions trade crypto, stocks, ETFs, and futures.

Unity, Scalable architectures, Rapid prototyping, Live iteration workflows, Existing code bases, Integrating new technologies, Strategy games passion

MythwrightMythwright develops and publishes strategy games.

Python · Go · SQL

5+ years backend, Python, BigQuery/SQL, Kubernetes, Golang a plus

SemrushSemrush makes an online visibility platform that helps marketers improve SEO, AI search visibility, content, paid media and social media performance.

TypeScript · React · Python

Remote in Ireland or Spain, production Python, PostgreSQL, AWS infrastructure, React/TypeScript and Golang

ProofpointProofpoint provides cybersecurity and compliance software focused on email, data, cloud, and human risk.

CI/CD best practices, Jenkins, GitLab CI, Linux administration, Bash scripting, DevOps culture, Configuration as Code, Infrastructure as Code, Git, GitHub, Observability, Automation of release process

GCP

Google Cloud, Cloud Infrastructure, Cloud Architecture, DevOps, Cybersecurity, Data Engineering, AI-related technical fields

Productive PlayhouseProductive Playhouse is a California-based global data and language-services company specializing in transcription, localization and AI evaluation.

1.5 years of experience, C++, Real-time multiplayer architecture, High-load backend architecture, AI-assisted software development, LiveOps experience, Technical strategy definition, People management, Custom game engines, Fluency in English and Russian

TypeScript · React

Not open in France, Italy or Germany, 3+ years mobile and web apps, React and React Native, TypeScript, Web3

MetaMaskMetaMask is a self-custodial financial platform that allows users to hold, spend, save, and grow both crypto and traditional assets.

Java · Kubernetes

4+ years backend services, Java or Groovy (Micronaut, Spring Boot), cloud provider APIs, Kubernetes, billing a plus

SeqeraSeqera develops open-source and cloud software, including Nextflow and Seqera Platform, for scalable data analysis in life sciences.

TypeScript · React

Not France, Italy or Germany, 8+ years web/mobile, React and React Native, TypeScript, trading systems

MetaMaskMetaMask is a self-custodial financial platform that allows users to hold, spend, save, and grow both crypto and traditional assets.

TypeScript · Vue · Python

5 years of experience, Vue.js + TypeScript, Python + Django, AI product integration, Complex platform experience, Remote work proficiency, UI/UX design, Fintech or mortgage background

TalentuchTalentuch recruits SAP, Microsoft Dynamics, and other IT specialists for client companies.

React · Node.js · Python

React, gRPC, Node.js or Python, full-stack web apps, API integrations, web performance and accessibility

EmaEma is an AI technology company specializing in enterprise automation through its Universal AI Employee platform, operating on a B2B model and focused on enhancing workflows for businesses.

Go

Shipped LLM/agent features to 10k+ users, Golang backend, RAG and tool calling, LLM evals, 1 year Web3 preferred

Trust WalletTrust Wallet is a leading B2C multi-chain, non-custodial cryptocurrency wallet enabling users to manage over 10 million digital assets, headquartered remotely with a global user base.

TypeScript · JavaScript · Python

Senior+ engineer, TypeScript/JavaScript or Python, Codex/Claude Code/Cursor use, English B2+, 10-20 hrs/week

G2iG2i connects companies with software engineers and AI-training specialists for contract work.

TypeScript · JavaScript · Python

Senior+ engineer, TypeScript/JavaScript or Python, Codex/Claude Code/Cursor use, English B2+, 10-20 hrs/week

G2iG2i connects companies with software engineers and AI-training specialists for contract work.

TypeScript · JavaScript · Python

Senior+ engineer, TypeScript/JavaScript or Python, Codex/Claude Code/Cursor use, English B2+, 10-20 hrs/week

G2iG2i connects companies with software engineers and AI-training specialists for contract work.

TypeScript · JavaScript · Python

Senior+ engineer, TypeScript/JavaScript or Python, Codex/Claude Code/Cursor use, English B2+, 10-20 hrs/week

G2iG2i connects companies with software engineers and AI-training specialists for contract work.

React

3+ years mobile/web DevOps, GitHub Actions and Expo/EAS, React Native, App Store and Play releases, Supabase

G2iG2i connects companies with software engineers and AI-training specialists for contract work.

AWS · Azure · GCP

Security engineering team management, AppSec/vulnerability management, AWS/GCP/Azure, Kubernetes, OSS and SaaS security

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

TypeScript · Node.js · PHP

TypeScript/Node.js, PHP/Laravel, Stripe & PayPal integration, AWS, on-call rotation

ThriveCartThriveCart provides cart, checkout, affiliate management and course-hosting tools that help creators, coaches and online businesses sell digital products.

TypeScript · Node.js · PHP

6+ years engineering, 1-2 years as lead, TypeScript/Node.js, PHP/Laravel, shipped AI product features

ThriveCartThriveCart provides cart, checkout, affiliate management and course-hosting tools that help creators, coaches and online businesses sell digital products.

Python · Go

Europe/UK with right to work, senior backend in Golang or Python, production LLM apps, AI coding agents

Refurbedrefurbed runs an online marketplace for refurbished products, letting customers in 23 European countries buy for less while cutting CO2 emissions.

Python

Python, End-to-end ownership, Client-facing communication, Full-stack development, Cloud infrastructure, AI-powered development, Production-minded development, Business thinking, Self-management, Timezone flexibility

AE StudioAE Studio is a custom software development and design agency specializing in AI integration and data science, operating as a B2B provider for clients ranging from startups to Fortune 10 companies.