Remote Software Engineering and Development jobs open to Spain.

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.

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.

Python · SQL

5 years of experience, Production ML model deployment, Python, SQL, Real-time data pipelines, Ad tech experience, Big data solutions, Model evaluation and optimization, Cross-functional collaboration, Experimentation frameworks, Kedro, PyTorch, Databricks

Python · Java · Kubernetes

10 years of experience, Java, Python, gRPC, Protobuf, Kubernetes, Terraform, Kafka, Automated telemetry design, SLO definition, Technical writing, Async communication, Curious problem solver

TypeScript · JavaScript · Node.js

5 years of experience, JavaScript, TypeScript, Node.js, AWS, AI application patterns, LLM-powered features, AI observability, Production AWS, REST/API design, Ownership mindset, English B2

WildixWildix is a Tallinn-based B2B UCaaS provider specializing in AI-powered VoIP and collaboration solutions for businesses across 135+ countries.

5+ years backend/AI systems, LLM inference, APIs/distributed systems; also eligible in Cyprus and Hungary

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

AWS · Azure

2 years of experience, MuleSoft Anypoint Platform, API design, Integration Design patterns, Microservices architecture, Public cloud experience (AWS/Azure), Non-profit sector experience, Excellent debugging skills, Strong communication skills

fusionSpanfusionSpan is a Rockville, MD-based B2B technology consulting firm specializing in Salesforce implementations and managed services for nonprofits and membership organizations.

Big Data, Data Fusion, AI, Geospatial Intelligence, OSINT, Technical leadership, Startup mindset, Engineering culture, Product strategy alignment, Complex systems architecture, Data-intensive systems, Technical decision-making, Engineering execution improvement, AI integration in engineering

TCR Tech Research LimitedTCR Tech Research Limited is a Limassol-based B2B PaaS provider specializing in data management and AI solutions for civilian protection and intelligence, serving global markets.

Unity, AI focus, Social gaming

Swift

5-10+ years iOS, Swift/SwiftUI/UIKit, 4h overlap 14:00-21:00 UTC, US state/EOR work authorization limits

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.