Remote Software Engineering and Development jobs open to Spain.

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

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.

TypeScript · JavaScript · Vue

5 years of experience, JavaScript, TypeScript, Vue.js, PHP, RESTful APIs, Mobile-first web experiences, Cross-platform integration, Accessibility, Performance optimization, Self-driven delivery, Knowledge sharing

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.

Open-source engineering, full-stack/API design, SDKs ideal, technical writing

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

TypeScript · Java · Go

5 years software, TypeScript/C# or Java/Rust/Golang, business logic, 3h EST overlap, 35h/week overseas

VelixoVelixo is a Montreal-based B2B SaaS provider specializing in Excel-based reporting and automation solutions for ERP systems, serving a global market across various industries.

Swift

iOS SDKs in Swift/Obj-C, performance-sensitive code, OpenTelemetry instrumentation

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

Swift

iOS SDKs in Swift/Obj-C, performance-sensitive code, OpenTelemetry instrumentation

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

Swift

iOS SDKs in Swift/Obj-C, performance-sensitive code, OpenTelemetry instrumentation

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

Python · Java · Go

First degree in 2025/26, STEM, Linux, Python/Rust/C++/Golang/JS/Java, international travel 2x/year

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

TypeScript

Autonomous coding agents, developer platform/CI, secure sandboxes, agent evaluation, TypeScript monorepos preferred

n8nn8n is an open workflow and AI orchestration platform with 500+ integrations.

AWS · GCP

Identity/MDM automation at remote firm, AWS or GCP security, SOC 2 or ISO 27001, vulnerability/access reviews

MazeMaze is an AI-first user research platform for research, product and marketing teams.

8+ years engineering, 4+ years managing 8+ engineers, production AI features, Claude Code and Cursor, CET/CEST

SecfixSecfix automates security compliance workflows and evidence collection to help European businesses attain and maintain certifications such as ISO 27001.

TypeScript · JavaScript · React

4 years of experience, Java, Spring Boot, RESTful services, JavaScript, TypeScript, React, Microservices, Distributed systems, High-scale applications, SQL/NoSQL databases, Redis, Kafka, AWS, Docker, Kubernetes, CI/CD

TypeScript · JavaScript · React

7 years of experience, Java, Spring Boot, RESTful services, JavaScript, TypeScript, React, Fire TV IAP integration, microservices, high-scale applications, AWS, Kafka, Redis, system design, high concurrency, mentoring engineers

Java · AWS

4 years of experience, Java, Spring Boot, RESTful APIs, Microservices, Distributed systems, Asynchronous processing, PostgreSQL, Redis, Kafka, AWS, High throughput systems, Idempotent transaction processing

Java · AWS

7 years of experience, Java, Spring Boot, RESTful APIs, Microservices, High-throughput systems, Idempotent transaction-processing, AWS, Kafka, Redis, Distributed systems

Java · Kotlin · AWS

4 years of experience, Android development, Go, Java, Fire TV, Kotlin, REST APIs, Microservices, AWS, Spring Boot, Redis, Kafka

TypeScript · React · GraphQL

5+ years React/TypeScript, 3+ years GraphQL/Apollo, visual regression testing, Europe CET ±1

CodekeeperCodekeeper is a remote-first SaaS provider based in The Hague, specializing in software escrow solutions for B2B clients, including enterprises and government organizations.

TypeScript · React

React and React Native, JS/TypeScript, interaction motion, crypto wallets/Web3

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

Swift

iOS Swift/Obj-C, mobile SDKs, OpenTelemetry, performance-sensitive code, in-person onboarding

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

AWS · Kubernetes

SRE people management, production Kubernetes/AWS, Terraform, on-call/SLO ownership, AI infrastructure

RemoteRemote is a global HR tech B2B SaaS platform headquartered remotely, specializing in payroll, compliance, and employment management for businesses hiring international teams.

Go · Rust

Distributed databases/query engines, Golang or C++ or Rust, multi-tenant SaaS, in-person onboarding

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

Go · Rust

Distributed databases/query engines, Golang or C++ or Rust, multi-tenant SaaS, in-person onboarding

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

Go · Rust

Distributed databases/query engines, Golang or C++ or Rust, multi-tenant SaaS, in-person onboarding

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

Python

~1 year production software engineering, Python, European work authorization, B2B contract, 40+ hours/week

KalepaKalepa builds AI-powered underwriting software that helps commercial insurers assess risks and manage decisions from submission through portfolio management.