Fresh remote Backend Developer jobs in Spain

Explore latest remote Backend Developer opportunities from leading companies hiring in Spain. 95 jobs posted last 30 days.

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Fresh remote Backend Developer jobs in Spain (95)

Software Engineer, Identity & Access

about 24 hours ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, Python, Identity data security, User authentication flows, Data modeling, Consumer-facing features, Fast iteration, Elegant problem-solving
Patreon

Patreon, Inc. is a San Francisco-based B2C SaaS platform that enables content creators to monetize their work through subscription services and digital products, targeting a diverse range of creators globally.

Senior Software Engineer, Identity & Access

about 24 hours ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, Python, Identity systems design, Authentication systems, Security and privacy concerns, Data modeling, Consumer-facing features, Fast iteration, Elegant problem-solving
Patreon

Patreon, Inc. is a San Francisco-based B2C SaaS platform that enables content creators to monetize their work through subscription services and digital products, targeting a diverse range of creators globally.

Salesforce Developer

about 24 hours ago
Full-time
Spain, United Kingdom
Key requirements: 4 years of experience, Salesforce Developer Certification, Advanced Apex, Lightning Web Components, Complex REST/SOAP API integrations, Large Data Volumes management, Documentation habits, Independent & Proactive
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.

Staff Software Engineer - Data Sources Core Services | UK | Remote

1 day ago
Full-time
Spain, United Kingdom, Germany, Ireland, Sweden
£100,000 to £124,000 per year
Key requirements: Go, Kubernetes, Cloud microservice architecture, AI/LLM-powered systems, Jsonnet, Terraform, Docker, Distributed systems, Remote-first communication, Complex problem-solving
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 Software Engineer - Data Sources Core Services | Spain | Remote

1 day ago
Full-time
Spain, United Kingdom, Germany, Ireland, Sweden
€94,000 to €117,000 per year
Key requirements: Go, Kubernetes, Cloud microservice architecture, AI/LLM-powered systems, Jsonnet, Terraform, Docker, Distributed systems, Remote-first communication, Complex problem-solving
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 Software Engineer - Data Sources Core Services | Ireland | Remote

1 day ago
Full-time
Spain, United Kingdom, Germany, Ireland, Sweden
€117,000 to €147,000 per year
Key requirements: Go, Kubernetes, Cloud microservice architecture, Distributed systems, Jsonnet, Terraform, AI/LLM-powered systems, Remote work communication, Complex problem-solving, Backend engineering
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 Software Engineer - Data Sources Core Services | Germany | Remote

1 day ago
Full-time
Spain, United Kingdom, Germany, Ireland, Sweden
€109,000 to €137,000 per year
Key requirements: Go, Kubernetes, Cloud microservice architecture, Distributed systems, AI/LLM-powered systems, Jsonnet, Terraform, Docker, Strong communication skills, Remote work proficiency
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 Backend Engineer (AI), Pipeline Execution

1 day ago
Full-time
Spain, Worldwide
$120,000 to $160,000 per year
Key requirements: Ruby on Rails, AI-powered backend features, Data-driven observability, High-traffic production systems, AI agents or agentic frameworks, PostgreSQL
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.

Staff Backend Engineer, Analytics Instrumentation (Golang)

1 day ago
Full-time
Spain, Worldwide
$120,000 to $160,000 per year
Key requirements: Go, Instrumentation expertise, Architecting large-scale services, Data quality management, Mentorship in engineering, Cross-functional collaboration
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.

Intermediate Backend Engineer, Database Automation

1 day ago
Full-time
Spain, Worldwide
Key requirements: PostgreSQL, Ruby on Rails, Data architecture, Performance tuning, Database migration strategies, Self-managed customer support, Asynchronous communication, Data scalability
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.

Principal Backend Engineer (Remote EMEA)

2 days ago
Full-time
Spain, Europe
€70,000 to €100,000 per year
Key requirements: 5 years of experience, Data-intensive systems, AI-assisted development tools, Cloud platforms (AWS, GCP, Azure), Data pipelines, Semantic systems, Production-grade APIs, Distributed systems, Backend development (Python, Java)
PRAGMATIKE

Pragmatike is a remote tech job platform specializing in connecting companies with pre-vetted software developers and tech talent globally, operating as a B2B SaaS in the tech industry.

Remote policy: Pragmatike supports fully remote work for tech roles and hires globally, with team members located in various regions including France and the United States. Relocation support is also available for specific roles.

Backend Engineer — Ingestion

2 days ago
Full-time
Spain, Europe
Key requirements: High-throughput data processing, Event-driven distributed systems, Node.JS, Rust, Kafka, PostgreSQL, Multi-tenant SaaS development, Data integrity and reliability
PostHog

PostHog is a San Francisco-based B2B SaaS platform offering an integrated suite of tools for product engineers to build, test, and analyze software products, with a focus on the global market.

Remote policy: PostHog is a fully remote company with a globally distributed team, currently hiring in time zones between GMT-8 and GMT+2.

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

3 days ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, NodeJS, ReactJS, NextJS, 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.

Epic Engineer

3 days ago
Full-time
Spain, Worldwide
Key requirements: 3 years of experience, Epic integrations, FHIR, HL7, Healthcare interoperability, Technical troubleshooting, Healthcare data standards, Technical workflows, Client-facing collaboration, System-to-system integrations, Technical documentation
Entrepreneur Cooperative

Entrepreneur Cooperative (ECo) is a membership-based B2B community for founders and CEOs, focusing on business growth and exit strategies, operating virtually with a cooperative model.

Senior Golang Developer

3 days ago
Full-time
Spain, Worldwide
Key requirements: 4 years of experience, Golang, SOA, Golang toolchain, Message brokers, Redis, Docker, PostgresSQL, MySQL, Banking experience, Cryptocurrency projects
Mercuryo

Mercuryo is a European-based fintech company providing a B2B crypto on/offramp gateway and wallet services, specializing in localized payment solutions for the global market.

Remote policy: Mercuryo is a remote-first company, celebrating diversity across 30 countries and empowering employees to work from various locations. We welcome applications from candidates in multiple regions.

Backend Developer (Laravel PHP/Python)

3 days ago
Full-time
Spain, Worldwide
Key requirements: 4 years of experience, Laravel (PHP), Python, Fintech experience, Database management (MySQL / PostgreSQL), Ownership in a fast-moving environment
Ideaware

Ideaware is a nearshore staff augmentation and development company specializing in web development solutions for B2B clients in the EdTech and marketing technology sectors.

Remote policy: Ideaware offers fully remote work opportunities, allowing team members to work from anywhere. The company embraces a flexible hiring approach, welcoming candidates from various regions.

Senior Software Engineer (Backend, Typescript, Node.js, React)

4 days ago
Full-time
Spain, Europe
Key requirements: 4 years of experience, TypeScript, Node.js, Backend expertise, Production experience, Service ownership, Microservice architecture, SQL (PostgreSQL), API design, Fintech experience, Reliability patterns
Cyclops

Cyclops is a remote-first fintech company specializing in crypto and stablecoin payment infrastructure, headquartered in the US, targeting businesses seeking efficient payment solutions.

Remote policy: Cyclops supports a fully remote work environment, hiring candidates primarily within the Central European Time zone (UTC+1).

Copy of Senior Software Engineer - Backend - Remote

4 days ago
Full-time
Spain, Worldwide
Key requirements: 10 years of experience, Java, AWS, Multi-tenant SaaS applications, Microservices, Docker, Kubernetes, SQL Server, MySQL, Problem-solving skills, Analytical skills
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.

Senior Software Engineer - Backend - Remote

4 days ago
Full-time
Spain, Worldwide
Key requirements: 10 years of experience, Java, multi-tenant SaaS applications, AWS services, Microservices architecture, Docker, Kubernetes, strong problem-solving skills, mentoring others, excellent communication skills
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.

Principal Backend / Platform Engineer (Cybersecurity)

4 days ago
Full-time
Spain, Europe
Key requirements: Distributed backend systems design, Microsoft Azure, PostgreSQL, Redis, Data pipelines, Real-time processing systems, Security and privacy in system design, End-to-end architecture ownership, Cybersecurity product experience, Multi-tenant SaaS platform design, Streaming systems exposure
Janea Systems

Janea Systems is a Seattle-based B2B consultancy specializing in expert software engineering solutions, focusing on AI and cloud technologies for enterprise clients globally.

Remote policy: Janea Systems supports remote work and is currently hiring for various roles, primarily focusing on candidates located in Europe.

Client Engine Software Engineer

4 days ago
Full-time
Spain, Europe
Key requirements: 10 years of experience, C++, Design and implement complex client-side engines, Advanced algorithms (tree/graph traversal, heuristics), Concurrency and memory management, Rust exposure or willingness to learn, Declarative rule languages or query engines experience, AI-assisted tooling experience, Secure local storage solutions, Cross-platform client development
Janea Systems

Janea Systems is a Seattle-based B2B consultancy specializing in expert software engineering solutions, focusing on AI and cloud technologies for enterprise clients globally.

Remote policy: Janea Systems supports remote work and is currently hiring for various roles, primarily focusing on candidates located in Europe.

Senior Software Enginer (C# / .NET)

4 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, C#, ASP.NET Core, Web APIs, Microservices, OAuth, JWT, Azure AD, Secure coding practices, API integrations, Logging frameworks, CI/CD pipelines
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.

Senior Backend Engineer - Workforce Verification

4 days ago
Full-time
Spain, Worldwide
Key requirements: 6 years of experience, Golang, Microservices architecture, RESTful APIs, High-throughput storage, Cloud computing, NoSQL databases, Big data analytics, Machine learning services, Concurrency, Multi-threading
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 Software Engineer

4 days ago
Full-time
Spain, Worldwide
Key requirements: 6 years of experience, Go, Distributed systems, Web3 experience, High-throughput API platforms, Problem-solving, Autonomous operation, Collaboration across teams
QuickNode

QuickNode is a Miami-based B2B blockchain infrastructure platform providing RPC APIs and development tools for the Web3 ecosystem, enabling developers to build decentralized applications globally.

Remote policy: QuickNode is a global remote company, hiring from various locations around the world, with team members collaborating across time zones.

Member of Engineering (Evaluations / Engineering)

4 days ago
Full-time
Spain, North America, Europe
Key requirements: Python framework design, Distributed systems, Data pipelines, Event-driven architectures, Cloud services (GCP, AWS, Azure), Monitoring tools (Grafana, Prometheus, Datadog), Developer tooling design, ML ops experience, Data visualization platforms
poolside

Poolside AI is a Paris-based B2B SaaS company specializing in enterprise AI solutions for software development, targeting businesses globally.

Remote policy: Poolside operates as a remote-first company, hiring team members primarily from Europe and North America, with flexible work arrangements and regular in-person gatherings.

Member of Engineering (Evaluations)

4 days ago
Full-time
Spain, North America, Europe
Key requirements: Experience with Large Language Models (LLM), Strong understanding of LLM limitations, Strong engineering background, Strong programming skills, Linux, Strong algorithmic skills, Python, Critical thinking
poolside

Poolside AI is a Paris-based B2B SaaS company specializing in enterprise AI solutions for software development, targeting businesses globally.

Remote policy: Poolside operates as a remote-first company, hiring team members primarily from Europe and North America, with flexible work arrangements and regular in-person gatherings.

Senior Software Engineer (Ruby on Rails) (Full Remote - Worldwide)

4 days ago
Contract
Spain, Worldwide
Key requirements: 5 years of experience, Ruby, Ruby on Rails, PostgreSQL, Redis, Hotwire, Tailwind CSS, Tech scale-up experience, Large-scale product experience, Strong communication skills, Ownership mindset, User-centricity, Comfort with uncensored content
EverAI

EverAI is a leading AI companionship platform based in a remote-first environment, offering Candy.AI, the world's largest AI girlfriend/boyfriend app, targeting a global B2C market with over 40 million users.

Remote policy: EverAI is a fully remote company, allowing team members to work from anywhere. We embrace a flexible hiring approach, welcoming applicants from various regions.

Software Engineer (Go) - Auth Product

4 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, Go, TypeScript, Authentication systems, OAuth, OIDC, SAML, Postgres, Next.js, Technical writing
Supabase

Supabase is an open-source BaaS platform headquartered remotely, specializing in Postgres database solutions for developers in the software development industry, targeting both B2C and B2B markets.

Remote policy: Supabase is a fully remote company that hires globally, allowing team members to work from anywhere in the world. We support a distributed workforce with no physical offices.

Software Engineer (Go) - Auth

4 days ago
Full-time
Spain, Worldwide
Key requirements: 4 years of experience, Go, Postgres, AWS, Kubernetes, Observability practices, Database migrations, Systems-level concerns, Technical writing
Supabase

Supabase is an open-source BaaS platform headquartered remotely, specializing in Postgres database solutions for developers in the software development industry, targeting both B2C and B2B markets.

Remote policy: Supabase is a fully remote company that hires globally, allowing team members to work from anywhere in the world. We support a distributed workforce with no physical offices.

Senior Backend Engineer

4 days ago
Full-time
Spain, Worldwide
$178,500 per year
Key requirements: 7 years of experience, Perl, Go, Node.js, AI agent tooling, Product acumen, Complex data structures, Data-driven analytical skills, Project management, Mentoring engineers
DuckDuckGo

DuckDuckGo is a Paoli, Pennsylvania-based privacy technology company offering a privacy-focused search engine and browser solutions for a global audience.

Remote policy: DuckDuckGo supports remote work and hires from various locations, including the United States, Australia, and several European countries, allowing for collaboration across different time zones.