Fresh remote Backend Developer jobs in Spain

Explore latest remote Backend Developer opportunities from leading companies hiring in Spain. 65 jobs posted last 30 days.

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Fresh remote Backend Developer jobs in Spain (65)

Software Engineer, Infrastructure

2 days ago
Full-time
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.

Senior Backend Engineer (Elixir)

2 days ago
Full-time
Spain, Worldwide
$53,300 to $119,850 per year
Key requirements: Elixir, Phoenix, Postgres, CI/CD (GitLab), AI fluency, Automation workflows, Systems thinking
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

2 days ago
Full-time
Spain, Worldwide
$53,300 to $119,850 per year
Key requirements: Elixir, Postgres, CI/CD, Automation workflows, AI fluency, Functional Programming, 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 Salesforce Developer

3 days ago
Full-time
Spain, North America, Europe, Oceania
Key requirements: 5 years of experience, Apex, Salesforce integrations, Stripe, QTC experience, SaaS environment, Stakeholder communication, Solo contributor, Team growth involvement
LucidLink

LucidLink is a San Francisco-based B2B SaaS platform specializing in cloud storage collaboration for creative teams, enabling real-time access to large files across the media and entertainment industry.

Remote policy: LucidLink supports a distributed workforce and hires remotely from various regions, including the United States and the United Kingdom, with team members located across North America, Europe, and Australia.

Audio Consultant Engineer - Linux Audio Stack (Remote/Anywhere)

3 days ago
Full-time
Spain, Worldwide
Key requirements: Linux audio stack, C, PipeWire, WirePlumber, ALSA, Debugging Linux systems, Customer collaboration, Audio architecture design
Collabora

Collabora Ltd is a Cambridge-based B2B company specializing in open-source consultancy, training, and product development, particularly for the LibreOffice suite, with a global reach.

Remote policy: Collabora supports flexible remote work and hires globally from various regions, with team members working from home at any time. There are no specific restrictions on hiring locations.

Senior Software Engineer - Rust for Linux

4 days ago
Full-time
Spain, Europe
Key requirements: 10 years of experience, Rust, C, Linux kernel development, Kernel device model, Debugging kernel code, Upstream maintainer-ship, DRM Rust infrastructure, PCI device bring-up, Public technical representation
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.

Senior Backend Engineer

4 days ago
Full-time
Spain
Key requirements: 5 years of experience, C#, ASP.NET Core, Microservices architecture, Entity Framework, MSSQL, Unit testing, Integration testing, SOLID principles, Domain-Driven Design, CI/CD improvements, DevOps tech (K8s, Docker, GCP)
Lodgify

Lodgify is a Barcelona-based B2B vacation rental software provider specializing in management and marketing tools for property owners and managers in the global vacation rental industry.

Remote policy: Lodgify offers flexible remote work options, allowing employees to work from home as needed. The company has a global presence, suggesting potential hiring from various regions, though specific locations are not explicitly confirmed.

Senior Software Engineer (FastAPI & Async Python)

4 days ago
Full-time
Spain, United Kingdom, Germany, France, Italy, Poland, Portugal
€100,000 to €110,000 per year
Key requirements: 5 years of experience, FastAPI, Async Python, Designing internal REST APIs at scale, Integration testing in large Python projects, Experience with AI APIs in production, Startup experience, Monitoring performance with Datadog
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.

Senior Software Developer (Go) - US Instant Payments

4 days ago
Full-time
Spain, Canada, United Kingdom, Germany, Netherlands, Portugal
Key requirements: Go, Distributed systems design, Cloud technologies, Containerization, CI/CD pipelines, Clean code practices, End-to-end project ownership, AWS, GCP, Kubernetes, CockroachDB, Elasticsearch, Terraform, TDD/BDD
Form3 (via Otta)

Form3 is a London-based fintech B2B SaaS provider specializing in Payments-as-a-Service, offering cloud-native payment solutions for financial institutions and regulated fintechs in the UK.

Remote policy: Form3 offers fully remote positions primarily for candidates in the UK, EU, and the United States, with specific roles having geographic restrictions. Currently, applications are accepted only from the UK.

Senior Software Engineer - Backend - Remote

5 days ago
Full-time
Spain, Worldwide
Key requirements: 10 years of experience, Java, multi-tenant SaaS applications, building large scale distributed applications, AWS services, Microservices architecture, Docker, Kubernetes
Jitterbit

Jitterbit is a leading B2B iPaaS provider headquartered in an unspecified location, specializing in AI-powered enterprise automation and integration solutions for businesses worldwide.

Remote policy: Jitterbit is a flexible, remote-friendly company that supports remote work across various regions, allowing team members to collaborate effectively regardless of their location.

NetSuite Developer, English Speaking (EMEA) Remote

5 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, SuiteScript, NetSuite ERP configuration, Third-party NetSuite integrations, Finance and accounting processes, Multi-entity environments
Bring IT

Bring IT is a global professional services company specializing in modernizing business operations through smart technology and strong processes.

Senior Python Software Engineer, ML Developer Tools - EMEA Remote

6 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, Python, Architecting complex Python projects, JavaScript or TypeScript, React or Svelte, Open-source contributions
Hugging Face

Hugging Face is a New York City-based AI and machine learning platform providing SaaS tools for model sharing and collaboration, targeting both B2B and B2C markets globally.

Remote policy: Hugging Face supports remote work and has a distributed team, with flexible working hours and options for employees to work from various locations, including the opportunity to visit offices in New York City and Paris.

Scala Backend Developer (Marbella or Remote)

6 days ago
Full-time
Spain
Key requirements: 3 years of experience, Scala, Akka/Pekko, Kafka, Product-minded, Strong communicator, Thrive in ambiguity, Organized and proactive, Collaborative
Dinotech Ltd

DinoTech Ltd is a London-based B2B software company specializing in technology solutions for the I-Gaming industry, serving online gambling operators globally.

Graduate Software Engineer, Open Source and Linux, Canonical Ubuntu

7 days ago
Full-time
Spain, Worldwide
Key requirements: Python, Rust, C/C++, Golang, JavaScript, Linux experience, Open source contributions, Personal projects in technology, High academic performance, Ability to travel internationally
Canonical

Canonical is a London-based B2B open-source software company specializing in Ubuntu and providing commercial support services to global enterprises in sectors like cloud, IoT, and data science.

Remote policy: Canonical is a remote-first company hiring globally, with team members located in over 70 countries. While most roles are remote, candidates may need to be situated in specific geographical regions such as the Americas, EMEA, or APAC for certain positions.

Senior Engineer - Security Compliance

7 days ago
Full-time
Spain
Key requirements: 5 years of experience, Python, AWS, Privacy engineering principles, Temporal, Data lifecycle management, GDPR knowledge, ISO 27001, Cross-functional collaboration, AI-enabled tools for GRC, Data systems expertise
scopely

Scopely is a Culver City-based mobile game developer and publisher specializing in free-to-play games, targeting a global audience with popular entertainment IPs.

Remote policy: Scopely embraces a flexible work environment and hires remotely from various regions, including the United States, EMEA, and Asia, with team members collaborating across time zones.

Software Developer - Remote

7 days ago
Contract
Spain, Worldwide
Key requirements: 1 years of experience, Python, Rust, GoLang, Java, Node.js, Scalable software systems, Remote collaboration, CI/CD pipelines, Problem-solving, Cloud platforms (AWS, GCP, Azure)
CONFISA INTERNATIONAL GROUP

Confisa International Group is a Pembroke Pines, Florida-based professional services firm specializing in retained executive search and human resources solutions for B2B clients across multiple industries globally.

Remote policy: Confisa International Group supports remote work for certain roles, with current hiring focused on candidates located in the USA. The company has a global reach, operating across multiple continents including Europe, Africa, Asia, and the Americas.

Backend Engineer (MTA), Core Sending

8 days ago
Full-time
Spain, Europe
$150,000 to $170,000 per year
Key requirements: SMTP, MTA systems, Email infrastructure, High-volume delivery systems, Typescript, Golang, Operational excellence, Distributed systems
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).

Backend Engineer (Infra), Core Sending

8 days ago
Full-time
Spain, North America, South America, Europe
$150,000 to $170,000 per year
Key requirements: 8 years of experience, AWS, Typescript, Golang, Event-driven systems, Infrastructure as Code (IaC), High availability, Disaster recovery, Async pipelines, Monitoring tools (Datadog)
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 Backend Engineer - Alerting | Spain | Remote

9 days ago
Full-time
Spain
€83,000 to €100,000 per year
Key requirements: Go, Distributed systems, Alerting systems, Cloud software development, Clean code, Self-driven project delivery, Remote collaboration, Mentorship
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.

Developer Technology Engineer, Energy

11 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, CUDA, GPU optimization, C/C++, Python, HPC, Energy domain exposure, MPI, performance profiling, NVIDIA Nsight, multi-node performance tuning, seismic processing, reservoir simulation, power grid simulation
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.

Software Engineer (Rust) - Backend

11 days ago
Full-time
Spain, North America, Europe
Key requirements: 4 years of experience, async Rust, backend systems in production, data-intensive systems, filtering, indexing, query execution, cloud deployment (AWS/GCP/Azure), Apache Arrow, Apache Datafusion, GPU workloads
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.

Software Engineer II, Backend (Repayment UX)

11 days ago
Full-time
Spain
€71,000 to €101,000 per year
Key requirements: 1.5 years of experience, APIs at scale using Python or Kotlin, Declarative UI frameworks like React or Vue, Ownership of growth and feedback, Debugging large code bases, Strong verbal and written communication
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.

Software Development Engineer - Intern

11 days ago
Part-time
Spain, Worldwide
$30 to $40 per hour
Key requirements: C#, TypeScript, React, Next.js, SQL databases, Object-oriented programming, HTML 5, CSS 3.0, JavaScript, Debugging, Performance optimization, Git, Kubernetes, Docker, REST, GraphQL, NoSQL databases
iHerb

iHerb is a global B2C online retailer based in Irvine, CA, specializing in health and wellness products, including vitamins, supplements, and sports nutrition, serving customers in over 180 countries.

Remote policy: iHerb supports remote work and hires globally, with team members located in various regions. Specific remote work conditions may vary by role.

Back End Engineer

11 days ago
Full-time
Spain, Worldwide
Key requirements: Ruby, Ruby on Rails, AWS, React, Python, Node.js, Excellent communication skills, Adaptability, Multitasking
Codekeeper

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

Remote policy: Codekeeper is a remote-first company with a central office in The Hague, supporting a flexible work environment for team members across various regions.

Senior Java Developer

11 days ago
Full-time
Spain
€25,000 to €70,000 per year
Key requirements: Java, Spring / Spring Boot, Data platform experience, Backend services, Microservices architecture, Cloud platforms (AWS, Azure, GCP), Ability to work autonomously, Experience in healthcare environments
Nuvolar

Nuvolar is a Barcelona-based B2B digital innovation consulting firm specializing in cloud-based Salesforce applications and data engineering solutions for various industries, including healthcare and e-commerce.

Remote policy: Nuvolar offers flexible work options, allowing remote work primarily in Spain, with team members based in various locations including Barcelona and Mexico City. The company supports a global team and serves clients across all five continents.

Senior Java Engineer

13 days ago
Full-time
Spain, Worldwide
$0 to $5,000 per month
Key requirements: 5 years of experience, Java, Spring Boot, Spring WebFlux, Go, Apache Kafka, ClickHouse, Aerospike, GenAI, LangChain, LangGraph, N8N, React, TypeScript, Distributed systems, Performance tuning
Alex Staff Agency

Alex Staff Agency is an international IT recruitment B2B agency specializing in connecting top tech talent with companies in the IT and creative sectors, operating remotely without a fixed headquarters.

Remote policy: Alex Staff Agency embraces remote work and offers flexible collaboration options, including fully remote roles and hybrid models in locations such as London. Team members are supported across various regions.

高级软件工程师, JavaScript/TypeScript (Senior Software Engineer) (Remote)

15 days ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, NodeJS, ReactJS, NestJS, ExpressJS, GraphQL, MongoDB, MySQL, Selenium, Cypress, Puppeteer, Styled-components, Problem-solving
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.

Community Software Engineer

16 days ago
Full-time
Spain, Europe
Key requirements: JavaScript, TypeScript, Debugging, API knowledge, n8n familiarity, CLI tools, Clear communication, Detail orientation, Collaborative 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.

Senior Backend Engineer - Booking Platform

17 days ago
Full-time
Spain, Europe
Key requirements: 6 years of experience, PHP, Go, Decomposing monoliths, Designing APIs, High-traffic systems, AI coding tools, SaaS experience, Product-oriented engineering
Hostaway

Hostaway is a USA-based B2B SaaS provider specializing in vacation rental management software, serving property managers with 2-5,000+ properties globally.

Remote policy: Hostaway supports remote work and hires from various regions, including the EMEA area, while maintaining a global presence. Team members are located in multiple countries, allowing for collaboration across time zones.

Senior Python Engineer (Public API & FastAPI)

17 days ago
Full-time
Spain, United Kingdom, Germany, France, Ireland, Italy, Portugal
Key requirements: Public API experience, FastAPI, Backend systems in Python, API design ownership, Production debugging, High-performing team experience, Developer experience focus, Pragmatic and product-minded
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.