Fresh remote Software Engineering and Development jobs in Spain

Key requirements: TypeScript, Golang, Crypto interest, Production-grade frontends, High-performance back-ends, Self-direction, Prototyping ability

Spain, Europe, Asia

Improbable

Improbable is a London-based B2B technology company specializing in large-scale simulation platforms and Web3 innovations for the gaming and metaverse industries.

Remote policy: Improbable is a remote-first company offering flexible work arrangements across Europe and Asia, with team members collaborating across various time zones.

Senior HPC DevOps Engineer

about 17 hours ago

Key requirements: 5 years of experience, HPC and AI technologies, Infrastructure as Code (IaC), CI/CD pipelines, Networking protocols, Job scheduling tools, GPU-focused hardware/software, RDMA fabrics, Container technologies

NVIDIA

NVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

Remote policy: NVIDIA supports flexible remote work arrangements and hires from various regions globally, including the Americas, Europe, Asia, and the Middle East, with roles that may require collaboration across time zones.

Associate Tech Lead, Web Platforms

about 21 hours ago

Key requirements: 5 years of experience, React, TypeScript, CMS platforms, Web compliance standards, Accessibility standards (WCAG), Cloud infrastructure, Collaboration across teams, Privacy and consent management, Technical leadership, Frontend development

Spain

King

King is a leading interactive entertainment company headquartered in Stockholm, specializing in mobile gaming with iconic titles like Candy Crush, serving over 200 million monthly active users globally.

Senior Software Engineer (Analysis)

$120,000 to $200,000 per year

Key requirements: 3 years of experience, Rust, Go, Typescript, Haskell, SaaS product experience, End-to-end feature ownership, Performant SQL, AI coding tools, Observability tooling, Problem-solving, Mentorship

FOSSA

FOSSA is a San Francisco-based B2B SaaS platform specializing in software supply chain management for open source software, with a distributed team across multiple countries.

Remote policy: FOSSA embraces a distributed work model, hiring remotely from various countries and supporting team members across multiple time zones.

Software Engineer (C++/Rust)

Key requirements: 5 years of experience, C/C++, Rust, Financial data, Algorithmic trading, Low-level optimization, Performance engineering, Systems programming, Multithreading, Networked I/O

Databento

Databento is a financial technology startup providing real-time and historical market data APIs as a B2B SaaS platform, headquartered in the US with a focus on trading firms and fintech startups.

Remote policy: Databento supports 100% remote work, with team members located around the globe, accommodating various time zones.

Director of Solutions Engineering

Key requirements: 8 years of experience, AI/ML platform experience, Leadership in pre-sales, Building pre-sales motions, Familiarity with LLMs, Video market knowledge, Joint go-to-market experience, Exceptional communication skills, Understanding of enterprise buying process

TwelveLabs

TwelveLabs is a San Francisco-based B2B SaaS provider specializing in AI foundation models for video understanding, serving the media and entertainment industry globally.

Solutions Architect

Key requirements: 10 years of experience, Telecommunications experience, MVNO experience, Cloud platforms, API integrations, BSS/OSS systems, Telecom architectures, MVNO models, Pre-sales cycle management, Fluent in English/Spanish, Consultative mindset

OXIO

OXIO is a North America-based B2B Telecom-as-a-Service (TaaS) platform enabling businesses to build and manage customizable mobile networks through a cloud-based solution.

Remote policy: OXIO supports flexible work arrangements and hires from various regions, with team members located in cities such as New York, Mexico City, and Montreal. Candidates are encouraged to apply regardless of their location.

Senior Software Engineer (Contract)

Spain, Europe, United States

Contract

Key requirements: 4 years of experience, C++, Rust, Memory safety, Multi-threaded system architecture, Raw data stream manipulation, Browser space experience, Web architecture understanding, Privacy/security model knowledge

Mozilla

Mozilla is a Mountain View, California-based non-profit organization that develops open-source software, including the privacy-focused Firefox browser and Thunderbird email client, targeting global consumers.

Remote policy: Mozilla embraces a flexible remote work environment and hires globally, with team members located in various regions, including the United States. We welcome applications from diverse locations to support our mission of building an open and accessible internet.

Sr. Director & Head of Architecture

$150,000 to $200,000 per year

Key requirements: 15 years of experience, AI Native products, Cloud-native architecture, Architectural governance, Strategic technical leadership, Change management, Financial acumen, Team management, Customer centricity, Security & compliance, Technical trade-offs

G-P

Globalization Partners (G-P) is a SaaS-based global talent management platform headquartered in the U.S., specializing in Employer of Record solutions for businesses looking to expand into over 180 countries.

Remote policy: Globalization Partners (G-P) is a remote-first company that hires globally, supporting team members in over 180 countries. We foster a flexible work environment that encourages collaboration across various time zones.

Azure Lead AppDev Engineer

2 days ago

$110,000 to $110,000 per year

Key requirements: 10 years of experience, C#, ASP.NET Core, Azure PaaS, SQL Server, EF Core, CI/CD pipelines, Secure coding practices, Disaster recovery planning, API-first modernization, Cloud-native delivery practices

Ascend Technologies

Ascend Technologies is a Chicago-based B2B IT consulting firm specializing in cloud infrastructure solutions and Salesforce technologies for enterprise clients across various industries.

Remote policy: Ascend Technologies supports remote work and is hiring for various roles, including fully remote positions, with team members located in different regions. Occasional travel may be required for certain roles.

Staff AI Developer

2 days ago

$120,000 to $160,000 per year

Key requirements: Ruby on Rails, Python, AI-first development, PostgreSQL optimization, Background processing systems, Cloud-native environments, Production APIs, SaaS platforms, Data ingestion pipelines, LLM orchestration

Euna Solutions (Formerly GTY Technology)

Euna Solutions is a Chicago-based GovTech SaaS provider specializing in cloud-based software for public sector organizations, including budgeting, procurement, and grant management, serving clients across the U.S. and Canada.

Senior AI Developer

2 days ago

Key requirements: 7 years of experience, AWS (Lambda, ECS, S3, RDS, API Gateway, CloudWatch), Agentic system design, CI/CD pipelines, Production agentic tooling (LangChain, LangGraph, CrewAI), LLM APIs (OpenAI, Anthropic, Bedrock), Vector databases (Pinecone, Weaviate, pgvector), SaaS architecture principles, End-to-end SDLC ownership, Technical leadership and mentorship

Euna Solutions (Formerly GTY Technology)

AI Engineering Team Lead

3 days ago

$100,000 to $150,000 per year

Key requirements: 7 years of experience, AI integration, Leadership of hybrid engineering teams, Hands-on experience with AI-assisted development tools, Proven experience in fintech, Deep expertise in software architecture, Experience with LLM integrations, Knowledge of PCI DSS and GDPR compliance, Strong understanding of microservices and cloud solutions, Proficiency in Java, Experience with Test-Driven Development methodologies

leadtech

Leadtech is a Barcelona-based B2B online innovation technology company specializing in creating and managing digital products and services for the global online business community.

Remote policy: Leadtech offers a flexible work environment, allowing employees to choose between working fully remote or from our Barcelona office, where we foster creativity and collaboration.

Lead .NET Engineer

$137,740 to $188,347 per year

Key requirements: 6 years of experience, .NET Core, C#, ASP.NET Core, Blazor, Microservices architecture, Docker, Kubernetes, Azure, AWS, Entity Framework Core, SQL/NoSQL databases, Agile methodologies, Code reviews, Technical leadership, Mentorship, Problem-solving, RESTful API design, Frontend technologies (React, Angular, Vue.js)

Excella

Excella is a technology firm specializing in digital solutions and analytics for federal agencies, headquartered in a distributed workforce model, focusing on B2B government technology.

Remote policy: Excella embraces a flexible remote work culture, allowing team members to work from home or client sites, supporting work/life integration across various locations.

Sr Cloud Engineer | Infrastructure & Application Development | Europe remote

€60,000 to €100,000 per year

Key requirements: Cloud infrastructure, Node.js, CI/CD pipelines, Observability, Kubernetes, Terraform, AWS, GCP, Azure, TypeScript, Growth mindset

n8n

n8n is a Germany-based B2B SaaS workflow automation platform that integrates over 400 tools and services, targeting industries like IT and fintech with a focus on low-code and AI functionalities.

Remote policy: n8n is a remote-first company, allowing team members to work from anywhere within Europe, with regular off-sites to foster team bonding. We welcome applications from diverse locations across Europe.

Principal Engineer, AI

Spain, Europe, United States

$120,000 to $180,000 per year

Key requirements: Generative AI architecture, End-to-end ML model lifecycle, LLM APIs, Prompt engineering, MLOps, Agentic frameworks, Python proficiency, Cloud-native ML infrastructure

Anaplan

Anaplan is a Miami-based B2B SaaS company specializing in cloud-based business planning solutions for finance, supply chain, and sales across various industries.

Remote policy: Anaplan supports remote work arrangements and hires from various regions, with team members located globally, including in the United States and Europe. Collaboration across time zones is essential for success.

Engineering Manager, Security Platform

$120,000 to $160,000 per year

Key requirements: 8 years of experience, Identity and access expertise, Distributed systems experience, Engineering leadership, Product and customer mindset, Judgment and execution, Communication and influence

Vannevar Labs

Vannevar Labs is an Arlington, VA-based B2B software company specializing in national security solutions, particularly in computer vision and natural language processing, serving U.S. defense and intelligence agencies.

Remote policy: Vannevar Labs is a fully remote company that hires globally, allowing employees to work from various locations, including the U.S. and beyond, without specific time zone requirements.

Software Engineer, Infrastructure

Spain, North America, Europe

$100,000 to $150,000 per year

Key requirements: Kubernetes operator experience, Deep Kubernetes experience, Proficiency in Go, Asynchronous Rust codebase familiarity, AWS experience, Infrastructure-as-code (Terraform/OpenTofu), Production-grade observability, Customer-adjacent onboarding experience, Strong communication skills

Rerun

Rerun is a Stockholm-based B2B open source data platform specializing in Physical AI, providing an SDK for logging and visualizing multimodal data streams.

Remote policy: Rerun is a remote-first company headquartered in Stockholm, Sweden, with team members primarily in European and US-East Coast time zones. While hiring is focused on these regions, candidates from other locations may be considered on a case-by-case basis to ensure effective collaboration.

Staff Infrastructure Engineer

Key requirements: 5 years of experience, Kubernetes, Cloud security fundamentals, Production infrastructure in DevOps/DevSecOps, Full-stack engineering, Major cloud providers, Packaging workloads for air-gapped environments, Ability to obtain SECRET clearance

Onebrief

Onebrief is a Honolulu-based B2G SaaS platform specializing in AI-powered workflow software for military planning and command operations, targeting defense organizations globally.

Remote policy: Onebrief operates as an all-remote company, hiring from various regions, with team members collaborating globally, including at military commands.

Principal Infrastructure Engineer

Key requirements: 8 years of experience, Kubernetes, Cloud security fundamentals, Production infrastructure in DevOps/DevSecOps, Full-stack engineering, Major cloud providers, Packaging workloads for air-gapped environments, Leadership/mentorship, Ability to obtain SECRET clearance

Onebrief

Onebrief is a Honolulu-based B2G SaaS platform specializing in AI-powered workflow software for military planning and command operations, targeting defense organizations globally.

Remote policy: Onebrief operates as an all-remote company, hiring from various regions, with team members collaborating globally, including at military commands.

Senior Backend Engineer (Elixir)

$53,300 to $119,850 per year

Key requirements: Elixir, Phoenix, Postgres, CI/CD (GitLab), AI fluency, Automation workflows, Systems thinking

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

Remote policy: Remote is a fully remote company with team members across six continents, hiring from various locations globally to support a diverse and asynchronous work culture.

Senior Backend Engineer

$53,300 to $119,850 per year

Key requirements: Elixir, Postgres, CI/CD, Automation workflows, AI fluency, Functional Programming, AWS

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

Remote policy: Remote is a fully remote company with team members across six continents, hiring from various locations globally to support a diverse and asynchronous work culture.

Engineering Team Leader

$75,450 to $169,700 per year

Key requirements: Elixir/Phoenix or Ruby, Agentic/automation workflows, Strong engineering fundamentals, Systems thinking, Team management, AI fluency, Diversity, equality, and inclusion focus, Inspiring leadership

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

Remote policy: Remote is a fully remote company with team members across six continents, hiring from various locations globally to support a diverse and asynchronous work culture.

Senior Solutions Engineer

€80,000 to €120,000 per year

Key requirements: 5 years of experience, Solutions engineering leadership, AI agent workflow design, HRTech domain experience, Executive stakeholder management, Cross-functional operational rigor

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

Remote policy: Remote is a fully remote company with team members across six continents, hiring from various locations globally to support a diverse and asynchronous work culture.

Senior Solutions Engineer

$70,000 to $200,000 per year

Key requirements: Solutions engineering leadership, AI agent workflow design, HRTech domain experience, Executive stakeholder management, Cross-functional operational rigor

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

Remote policy: Remote is a fully remote company with team members across six continents, hiring from various locations globally to support a diverse and asynchronous work culture.

Senior IOS Engineer - Contractual

Contract

Key requirements: 5 years of experience, Swift 5.8+, SwiftUI (iOS 17.6+), MVVM architecture, Firebase integration, SQL and DuckDB, Combine or async-await, Xcode 16+, Offline-first sync patterns, Building data-heavy iOS apps, Git and gitflow workflow

Tech Holding

Tech Holding is a Los Angeles-based B2B consulting firm specializing in professional services and managed solutions for cloud transformation and technology integration across various industries.

Remote policy: Tech Holding supports remote work opportunities and hires from various regions globally, allowing flexibility for team members to work from different locations.

Security Engineer, Platform

$120,000 to $140,000 per year

Key requirements: Securing production infrastructure, Cloud environments, APIs, Multi-tenant SaaS, Incident response, AWS, Terraform, Kubernetes, Email infrastructure, SOC 2 preparation, Security observability, Developer experience

Resend is a B2B SaaS platform headquartered remotely, specializing in modern email API services for developers, enabling scalable transactional email delivery globally.

Remote policy: Resend is a fully remote company with team members across various countries, primarily hiring from regions aligned with Brazilian and European Time Zones (UTC-3 to UTC+2).

Security Engineer, Platform

$120,000 to $140,000 per year

Key requirements: Production infrastructure security, Cloud environment security, API security, Multi-tenant SaaS security, Code writing and reading, Authentication and authorization, Secrets management, Incident response, Security observability, Email infrastructure security, SOC 2 preparation, High-scale developer product security

Resend is a B2B SaaS platform headquartered remotely, specializing in modern email API services for developers, enabling scalable transactional email delivery globally.

Remote policy: Resend is a fully remote company with team members across various countries, primarily hiring from regions aligned with Brazilian and European Time Zones (UTC-3 to UTC+2).

Product Engineer

$150,000 to $170,000 per year

Key requirements: 6 years of experience, TypeScript, React, Next.js, Developer experience, Product judgment, UX focus, End-to-end feature ownership, Experience with email and webhooks, Building for technical users, Collaboration in high-ownership teams

Resend is a B2B SaaS platform headquartered remotely, specializing in modern email API services for developers, enabling scalable transactional email delivery globally.

Remote policy: Resend is a fully remote company with team members across various countries, primarily hiring from regions aligned with Brazilian and European Time Zones (UTC-3 to UTC+2).

Product Engineer

$150,000 to $170,000 per year

Key requirements: 6 years of experience, TypeScript, React, Next.js, Developer product experience, User experience focus, Strong product judgment, Email and deliverability knowledge, Debugging and observability skills, Ability to solve ambiguous problems, Experience in small, high-ownership teams