Fresh remote Backend Developer jobs in Spain

Explore latest remote Backend Developer opportunities from leading companies hiring in Spain. 88 jobs posted last 30 days.

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Fresh remote Backend Developer jobs in Spain (88)

Senior Software Engineer (Rust)

about 11 hours ago
Full-time
Spain, United Kingdom, Germany, France, Ireland, Italy, Portugal
€90,000 to €120,000 per year
Key requirements: Rust, C/C++, cross-platform client-side code, strong sense of ownership, fast-growing startup experience, fluent in English
PhotoRoom

PhotoRoom is a Paris-based AI photo editing app specializing in e-commerce and marketing solutions, operating as a B2B and B2C service with a global reach.

Remote policy: Photoroom is a remote-friendly company headquartered in Paris, allowing employees to work from anywhere in Europe within a 3-hour flight from Paris, with monthly office visits. While we support remote work, we currently sponsor visas only for individuals relocating to France or already based here.

Forward Deployed Engnieer - META

about 11 hours ago
Full-time
Spain, Worldwide
$100,000 to $150,000 per year
Key requirements: Ruby on Rails, Go, GitLab CI/CD, Terraform, Ansible, AI systems, Technical consulting, Architecture design, Reusable technical assets
GitLab

GitLab is a San Francisco-based DevOps platform offering B2B and B2C solutions for software development, security, and collaboration, with a global presence.

Remote policy: GitLab is a fully remote company that hires globally, with team members located in over 65 countries. We embrace flexibility in scheduling to accommodate various time zones.

Senior Software Engineer, Compute Platform

about 11 hours ago
Full-time
Spain, Worldwide
$190,800 to $267,100 per year
Key requirements: 4 years of experience, Go, Kubernetes, Linux internals, Open-source contribution, Troubleshooting complex systems, Collaborative communication
Reddit

Reddit is a San Francisco-based B2C social news aggregation platform that connects diverse communities through user-generated content, primarily generating revenue via advertising and premium subscriptions.

Remote policy: Reddit is a remote-friendly company that supports flexible work arrangements, hiring from various locations including the Netherlands and the United Kingdom, with team members collaborating across time zones.

AI Implementation Engineer

about 11 hours ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, Agentic AI experience, Python, Go, API design (REST, gRPC), Multi-tenant SaaS deployment, Cloud platforms (AWS, GCP, Azure), Security best practices, Customer-facing delivery ownership, Workflow orchestration experience, Fast-growing startup background, Calm under pressure
Ema

Ema 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.

Remote policy: Ema offers remote opportunities for various roles, allowing team members to work from their respective campuses or homes, with flexibility in work arrangements.

C++ Software Engineer Intern

1 day ago
Full-time
Spain, Europe
Key requirements: C++, Game engine experience, High-level game architecture, Client/server codebase understanding, Technical documentation
Electronic Arts

Electronic Arts Inc. is a Redwood City, California-based video game company specializing in developing and publishing sports simulation and action games for a global audience.

Backend Engineer, Core Sending

1 day ago
Full-time
Spain, South America, Europe
$150,000 to $170,000 per year
Key requirements: 8 years of experience, Typescript, Golang, AWS, Event-driven systems, Infrastructure as Code (IaC), High availability, Disaster recovery, Async pipelines, Database scaling
Resend

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).

Senior Software Engineer (FastAPI & Async Python)

1 day ago
Full-time
Spain, United Kingdom, Germany, France, Ireland, Italy, Poland, Portugal
€100,000 to €110,000 per year
Key requirements: FastAPI, Async Python, AI feature integration, REST API design at scale, Datadog, Integration testing in Python, Startup experience, AI APIs in production
PhotoRoom

PhotoRoom is a Paris-based AI photo editing app specializing in e-commerce and marketing solutions, operating as a B2B and B2C service with a global reach.

Remote policy: Photoroom is a remote-friendly company headquartered in Paris, allowing employees to work from anywhere in Europe within a 3-hour flight from Paris, with monthly office visits. While we support remote work, we currently sponsor visas only for individuals relocating to France or already based here.

Software Engineer I, Backend (Servicing Platforms)

1 day ago
Contract
Spain
€55,000 to €85,000 per year
Key requirements: Python, Kotlin, AWS, MySQL, Kubernetes, Distributed systems, Event-driven pipelines, On-call rotation
Affirm

Affirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

Remote policy: Affirm is a remote-first company, allowing employees to work from various locations within their country of employment, including Poland, where the majority of roles can be remote.

Senior Software Engineer - Grafana Databases, Managed Services

4 days ago
Full-time
Spain
€83,000 to €100,000 per year
Key requirements: 6 years of experience, Distributed systems operation, Streaming systems experience, Kubernetes in AWS/GCP/Azure, Infrastructure-as-code (Helm, Terraform), High-throughput multi-cloud infrastructure, Fault-tolerant patterns, Incident response participation, Strong communication skills, Curiosity and pragmatism
Grafana Labs

Grafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Remote policy: Grafana Labs supports remote work arrangements and hires from various regions, with some roles requiring specific location preferences such as the Netherlands. Team members collaborate across time zones, including CET.

Senior Python Engineer (FastAPI / Python & PublicAPI experience)

5 days ago
Full-time
Spain, United Kingdom, Germany, France, Ireland, Italy, Portugal
€75,000 to €110,000 per year
Key requirements: Public API experience, FastAPI, Backend systems in Python, API design ownership, Performance and reliability focus, Pragmatic and product-minded, Cross-functional collaboration, High-performing team experience
PhotoRoom

PhotoRoom is a Paris-based AI photo editing app specializing in e-commerce and marketing solutions, operating as a B2B and B2C service with a global reach.

Remote policy: Photoroom is a remote-friendly company headquartered in Paris, allowing employees to work from anywhere in Europe within a 3-hour flight from Paris, with monthly office visits. While we support remote work, we currently sponsor visas only for individuals relocating to France or already based here.

Staff Backend Engineer - Grafana App Platform | UK | Remote

5 days ago
Full-time
Spain, United Kingdom, Germany, Ireland, Sweden
£103,958 to £124,750 per year
Key requirements: SaaS platform experience, Distributed systems problems, Golang, Operational experience, Excellent communication skills, Cross-team collaboration, Pragmatic approach
Grafana Labs

Grafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Remote policy: Grafana Labs supports remote work arrangements and hires from various regions, with some roles requiring specific location preferences such as the Netherlands. Team members collaborate across time zones, including CET.

Staff Backend Engineer - Grafana App Platform | Sweden | Remote

5 days ago
Full-time
Spain, United Kingdom, Germany, Ireland, Sweden
SEK 878,578 to SEK 1,054,294 per year
Key requirements: SaaS platforms at scale, Multi-tenant architecture, Observability app platform, Grafana Cloud, Grafana Enterprise Stack
Grafana Labs

Grafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Remote policy: Grafana Labs supports remote work arrangements and hires from various regions, with some roles requiring specific location preferences such as the Netherlands. Team members collaborate across time zones, including CET.

Staff Backend Engineer - Grafana App Platform | Ireland | Remote

5 days ago
Full-time
Spain, United Kingdom, Germany, Ireland, Sweden
€117,600 to €141,120 per year
Key requirements: SaaS platforms at scale, Multi-tenant architecture, Observability app platform, Grafana Cloud, Grafana Enterprise Stack
Grafana Labs

Grafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Remote policy: Grafana Labs supports remote work arrangements and hires from various regions, with some roles requiring specific location preferences such as the Netherlands. Team members collaborate across time zones, including CET.

Staff Backend Engineer - Grafana App Platform

6 days ago
Full-time
Spain, United Kingdom, Germany, Ireland, Sweden
€110,000 to €132,000 per year
Key requirements: SaaS platform experience, Golang, Distributed systems problems, Operational experience, Excellent communication skills, Cross-team collaboration, Pragmatic approach
Grafana Labs

Grafana Labs is a San Francisco-based B2B observability platform specializing in open-source IT systems monitoring and data visualization for enterprises globally.

Remote policy: Grafana Labs supports remote work arrangements and hires from various regions, with some roles requiring specific location preferences such as the Netherlands. Team members collaborate across time zones, including CET.

Senior Software Engineer (Golang, Backend, remote)

6 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, Golang, Kubernetes, Containerization, Debugging distributed systems, Open-source contributions, Linux environment
Mirantis

Mirantis 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.

Remote policy: Mirantis supports flexible remote work, primarily within the EU, and offers the option to work from their Helsinki hub, fostering a remote-first culture.

Staff Backend Engineer

6 days ago
Full-time
Spain, Worldwide
$120,000 to $160,000 per year
Key requirements: 10 years of experience, AWS services (ECS/EKS, Lambda, DynamoDB, RDS, S3), Golang, Microservices architecture, Distributed systems, Event-driven design patterns, Containerization (Docker, Kubernetes), Technical leadership, Observability and reliability practices
Socure

Socure is a U.S.-based B2B SaaS provider specializing in AI-driven identity verification and fraud prevention solutions for enterprises across financial services, e-commerce, and government sectors.

Remote policy: Socure is a fully remote organization, supporting team members across various locations, with some roles requiring in-person engagement in specific regions such as Washington, D.C.

Senior Threat Data Infrastructure Engineer

6 days ago
Full-time
Spain, Worldwide
$100,000 to $150,000 per year
Key requirements: 5 years of experience, Go, Python, Perl, Bash, Server provisioning, Network infrastructure, Windows, Linux, Network protocols, Network architecture
Recorded Future

Recorded Future is a Somerville, MA-based cybersecurity B2B SaaS provider specializing in threat intelligence solutions for various industries, including financial services and government agencies, with a global client base.

Remote policy: Recorded Future supports remote work and hires globally, with team members located in various regions, including the United States. Roles may require collaboration across different time zones.

Backend Software Engineer Authentication

6 days ago
Full-time
Spain, Worldwide
Key requirements: Rust, PCI compliant systems, Brazilian payments ecosystem, cryptographic authentication systems, GCP, AWS, Terraform, advanced English communication
CloudWalk

CloudWalk is a fintech company headquartered in Brazil, specializing in AI-driven payment solutions and blockchain technology for the B2B market, with a growing presence in the U.S.

Remote policy: CloudWalk embraces a flexible work culture and hires remotely from various regions, supporting a diverse team across the globe.

Backend Software Engineer

7 days ago
Full-time
Spain, Worldwide
Key requirements: Rust, GCP, AWS, Terraform, Brazilian payments ecosystem, Parallel and distributed systems, Outstanding communication, Advanced English
CloudWalk

CloudWalk is a fintech company headquartered in Brazil, specializing in AI-driven payment solutions and blockchain technology for the B2B market, with a growing presence in the U.S.

Remote policy: CloudWalk embraces a flexible work culture and hires remotely from various regions, supporting a diverse team across the globe.

Senior Software Engineer

7 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, Python, AI-driven development, Microservices architecture, PostgreSQL, Docker, Django, Vue, API design and integration, Cloud experience (AWS, Azure, GCP), Unit and end-to-end testing
HostPapa

HostPapa is a Canadian-based web hosting company offering B2B and B2C solutions, including shared, reseller, and VPS hosting services, with a focus on small businesses and a global presence.

Remote policy: HostPapa offers remote work opportunities and hires from various locations, with team members and customers in 39 countries around the globe.

Senior Software Developer

8 days ago
Full-time
Spain, Europe
Key requirements: 8 years of experience, C++, C, Rust, Linux, TCP/IP, LLM inference stacks, distributed storage, Linux internals, CUDA, parallel programming, high-performance computing, RDMA
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.

Finance Integrations Engineer

8 days ago
Full-time
Spain, United Kingdom, Netherlands, Portugal, Sweden
Key requirements: Node.js, NetSuite integration, AWS services, Docker, Kubernetes, CI/CD pipelines, Accounting fundamentals, Stakeholder communication
Nivoda

Nivoda is a B2B platform headquartered in the UK, specializing in global diamond fulfillment operations for the luxury goods industry.

Remote policy: Nivoda supports fully remote work for various roles, with current opportunities available for candidates based in the UK or Spain.

Software Engineer

8 days ago
Full-time
Spain, North America, Europe, Asia, Middle East
$100,000 to $150,000 per year
Key requirements: 5 years of experience, Java, .NET, AWS GovCloud, RESTful APIs, Microservices, DevSecOps, DoD experience, Secure coding practices
Agile Defense

Agile Defense is a Reston, VA-based B2B information technology company specializing in cybersecurity, data analytics, and digital transformation solutions for national security and civilian government sectors globally.

Remote policy: Agile Defense, Inc. supports hybrid work arrangements and hires remotely from various regions, including North America, Europe, Asia, and the Middle East, with team members located in diverse areas.

Software Engineer (Backend): FinCrime

9 days ago
Full-time
Spain, Poland, South Africa, Bulgaria
Key requirements: 5 years of experience, Java, Spring Boot, FinTech experience, APIs and services, Financial services knowledge, Distributed ledger technology, Problem-solving skills, Data-driven decision making
BVNK

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

Remote policy: BVNK supports remote work and hires from various regions including the UK, Europe, USA, South Africa, and APAC, allowing for flexible work arrangements across time zones (UTC+0 to UTC+12).

Data & Backend Engineer (AI-Driven Systems)

9 days ago
Full-time
Spain, Worldwide
Key requirements: Python, FastAPI, ClickHouse, Geolocation data, AI-assisted tools, Event-driven architecture, Data engineering, Product mindset, Adaptability, Interest in AI agents
TRG Research and Development

TRG Research and Development is a Limassol-based cyber intelligence B2B SaaS company specializing in AI-driven data fusion and operational intelligence solutions for national agencies and civilian protection.

Remote policy: TRG Research and Development embraces a global hiring approach, seeking talented individuals from various regions to join their team, with an emphasis on collaboration and inclusion.

Senior Software Engineer, JavaScript/TypeScript (Remote)

10 days ago
Full-time
Spain, Worldwide
$80,000 to $120,000 per year
Key requirements: 3 years of experience, NodeJS, ReactJS, NextJS, MongoDB, MySQL, GraphQL, Mentoring, Problem-solving, GCP, AWS
BJAK

BJAK is a Malaysia-based insurtech B2C and B2B platform specializing in vehicle insurance, recognized as the largest insurance portal in Southeast Asia, serving the ASEAN market.

Remote policy: BJAK offers fully remote roles, allowing team members to work from anywhere, with a focus on creating an inclusive and flexible work environment.

Junior AI Engineer (Clients) - Supernal

10 days ago
Full-time
Spain, Worldwide
$15 to $20 per hour
Key requirements: 2 years of experience, Backend services, APIs, Integrations, Automated tests, Clean architecture, Debugging, English communication, Ownership of projects, Fast-paced environment
Infinity

Infinity is a no-code work management SaaS platform that specializes in project management and team collaboration, operating in the B2B sector.

Remote policy: Labrynth operates on a remote-first model, supporting fully remote work with flexible hours. The team collaborates primarily across Americas time zones and includes members from various regions globally.

Senior AI Engineer, Applied AI

11 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, Python, FastAPI, LLM APIs, AI applications in production, Healthcare supply chain experience, RESTful APIs, Database technologies
Clarium

Clarium Health is a New York-based B2B SaaS platform specializing in AI-powered supply chain resilience for healthcare, serving hospitals and health systems to enhance operational efficiency.

Senior Backend Engineer (Elixir)

11 days ago
Full-time
Spain, Worldwide
$53,300 to $119,850 per year
Key requirements: Elixir, Phoenix, Postgres, CI/CD, Agentic workflows, Systems thinking, AWS
Remote

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

11 days ago
Full-time
Spain, Worldwide
$53,300 to $119,850 per year
Key requirements: Elixir, Postgres, CI/CD (GitLab), Agentic/automation workflows, Systems thinking, Functional programming experience, AWS, Kubernetes, Docker
Remote

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.