Remote Software Engineering and Development jobs open to Spain.

Java

Java and Spring Boot backend, event-driven microservices, Kafka, real-time systems, employee contract (no B2B)

BVNKBVNK is a UK-based fintech B2B platform specializing in stablecoin payment infrastructure, enabling businesses to send, receive, and convert currencies globally.

Kubernetes

3+ years infra/SRE operations, Linux, production Kubernetes, shift-based work, NVIDIA GPU/InfiniBand a plus

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 · React · Angular

4+ years backend, Java or Groovy, Micronaut or Spring Boot, TypeScript with Angular or React

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

Java · Kotlin

Java or Kotlin, Spring Boot, Kafka, event-driven microservices, high-integrity financial systems

BVNKBVNK is a UK-based fintech B2B platform specializing in stablecoin payment infrastructure, enabling businesses to send, receive, and convert currencies globally.

TypeScript · Go

5+ years backend services in production with on-call, TypeScript or Golang, OAuth/OIDC/JWT, PostgreSQL

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

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.

VP-level engineering leadership, 40+ engineers, API platforms, telco network APIs (CAMARA, GSMA) a plus

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

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

6-7+ years commercial development, Python 3.x, Django, high-load systems, fluent Russian, intermediate+ English

TorreroTorrero provides white-label casino and sportsbook platforms and B2B game aggregation for iGaming operators.

Python

5+ years commercial development, Python 3.x, Django, high-load systems, fluent Russian, intermediate+ English

TorreroTorrero provides white-label casino and sportsbook platforms and B2B game aggregation for iGaming operators.

3+ years DevOps/build engineering, CI/CD, Perforce admin, employee only if Ireland-based

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

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.

TypeScript · React · Node.js

5+ years software development, Node.js, React, TypeScript, shipped AI features, English B2+

5Blue Software5Blue Software provides custom software development, staff augmentation, and AI solutions for startups and mid-sized companies.

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.