Remote Software Engineering and Development jobs open to Spain.

Python · Kotlin · AWS

8 years of experience, Python, Kotlin, AWS, MySQL, Kubernetes, Correctness-sensitive systems, Data-processing systems, Cross-team collaboration, Technical strategy development, On-call operations management

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

React · Vue · Python

1.5 years of experience, Python, Kotlin, React, Vue, Declarative UI frameworks, Mobile application development, Code review, Debugging, Collaboration with product management, Agile methodology

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

React · Vue · Python

4 years of experience, React, Vue, Python, Kotlin, React Native, Technical planning, Code quality, Communication skills, Team leadership

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

10 years of experience, Multi-team engineering leadership, Technical strategy development, Architecture guidance, AI integration in engineering, Building team culture, Stakeholder collaboration, Mentoring managers, Internationalization experience

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

Python · Go · Kubernetes

5 years of experience, Golang, Python, Kubernetes, AI-assisted coding, Distributed systems

Lemon.ioLemon.io is a Ukraine-based B2B platform connecting startups with vetted freelance developers, offering services globally across various sectors.

Python · Docker

5 years of experience, Django, Python, AI product development, LangChain, LangSmith, OpenAI, OpenRouter, Anthropic, Docker, Git, AI-assisted development, Strong English communication

hurra.comhurra.com™ is a Stuttgart-based B2B digital marketing agency specializing in SEO, SEA, and social media advertising, serving industries like E-Commerce and Finance with a global reach.

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.

Microsoft Copilot Studio, Power Automate, AI agent deployment, API integration, Workflow orchestration, Healthcare experience, Rapid prototyping, Enterprise data governance

HelpwareHelpware provides outsourced customer support, back-office, and technical support services, along with AI and custom software development for businesses.

Python · SQL · Azure

4 years of experience, Python, FastAPI, Azure, Databricks, REST APIs, SQL Server, Docker, Asynchronous processing, Messaging systems, CI/CD

Mutt DataMuttdata is a data and AI consultancy that builds data platforms and machine learning systems, such as forecasting and recommendation models, for client companies.

Python · SQL · Azure

4 years of experience, Python, FastAPI, Azure Databricks, Asynchronous processing, SQL Server, Docker, Azure services, CI/CD participation

Mutt DataMuttdata is a data and AI consultancy that builds data platforms and machine learning systems, such as forecasting and recommendation models, for client companies.

8 years of experience, C++, Unreal Engine 5, AAA console title shipping, Multiplayer game architecture, Game development team management, Software engineering principles, Technical communication

VOID InteractiveVOID Interactive develops Ready or Not, a tactical first-person shooter about SWAT police units responding to hostile situations.

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/C#, engineering people management, AI tooling adoption, live mobile games preferred

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

Senior Unity/C#, engineering people management, AI tooling adoption, live mobile games preferred

Homa GamesHoma is a Paris-based mobile game developer and publisher whose Homa Lab platform gives studios market data, game tech and AI tools to build mass-market games.

TypeScript · React · PHP

AI-native, PHP/Laravel, TypeScript/React, Data modeling, Cross-functional partnership, Outcome-driven, Decisive and documented, Customer-minded, Production experience with AI coding agents

LawnStarterLawnStarter is an Austin-based B2C online platform specializing in lawn care and outdoor services, connecting homeowners with local professionals across over 120 metro areas nationwide.

TypeScript · React · PHP

AI-native, PHP/Laravel, TypeScript/React, Outcome-driven, Strong horizontal partner, Deep skill in at least one stack, Decisive and documented, Customer- and pro-minded

LawnStarterLawnStarter is an Austin-based B2C online platform specializing in lawn care and outdoor services, connecting homeowners with local professionals across over 120 metro areas nationwide.

Python · Java · AWS

Java, Python, C++, AWS, Distributed systems, Production backend service ownership, Fluent English, Cloud integration with HPC, Simulation-specific solutions, High-performance computing optimization

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.