Fresh remote Backend Developer jobs in Spain

Explore latest remote Backend Developer opportunities from leading companies hiring in Spain. 78 jobs posted last 30 days.

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Fresh remote Backend Developer jobs in Spain (78)

Senior Software Engineer, JavaScript/TypeScript (Remote)

1 day 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

1 day 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

2 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)

2 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

2 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.

CLI Engineer

2 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, TypeScript, NestJS, CLI development, Cross-platform CLI concerns, API design, Unit and integration testing, Git workflow, CI/CD
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, Streaming Systems

3 days ago
Full-time
Spain, Worldwide
$180,000 to $320,000 per year
Key requirements: Distributed systems, Streaming systems (Kafka, Kinesis, Pulsar), High RPS systems, Low p99 latency systems, High ownership, Fast-paced startup environment
Hightouch

Hightouch is a San Francisco-based B2B Composable Customer Data Platform (CDP) that enables businesses to activate their customer data for marketing personalization and operational efficiency.

Remote policy: Hightouch operates with a remote-first approach, hiring primarily from North America, including locations such as San Francisco, CA, and New York, NY. Team members collaborate across time zones, primarily within UTC-8 to UTC-5.

Backend Software Engineer

3 days ago
Full-time
Spain, Worldwide
$144,000 to $200,000 per year
Key requirements: 10 years of experience, Kotlin, Node.js, GraphQL, Backend development for data-intensive applications, Postgres, MySQL, Proven leadership skills, Mentoring junior engineers, Agile methodologies
Seeq Corporation

Seeq Corporation is a Seattle-based B2B SaaS provider specializing in advanced analytics, machine learning, and AI for industrial process manufacturing, serving sectors like oil and gas, chemicals, and pharmaceuticals.

Remote policy: Seeq Corporation is a remote-first company, hiring from various locations, with team members working from home across different countries. Candidates must be authorized to work in their country of residence.

Backend Engineer - GenAI (Python / Kotlin)

4 days ago
Full-time
Spain
Key requirements: Python, AI/ML-enabled products, Cloud Native solutions, AWS, Large-scale web applications, Mentoring junior engineers, Cross-functional team collaboration
OLX

OLX is a global e-commerce B2C platform headquartered in Amsterdam, specializing in person-to-person trading of goods and services across various sectors, including automotive, real estate, and employment.

Remote policy: OLX Group embraces a flexible approach to remote work, hiring from various regions including Europe and South Africa, with specific roles currently open to candidates in Portugal, Poland, and Spain.

Senior Software Engineer - Networking

4 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, C, C++, Python, Packet processing, Ethernet and IP networking, AI passion, Analytical skills, Problem-solving skills
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 Software Engineer (Go)

4 days ago
Full-time
Spain, United Kingdom, Germany, Netherlands, Portugal
Key requirements: Golang, Kubernetes, CockroachDB, NATS JetStream, Distributed systems design, Cloud-native microservices, High availability systems, CI/CD pipelines, Test automation, DevOps environment
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.

Back End Engineer

4 days ago
Full-time
Spain, Worldwide
Key requirements: Ruby on Rails, AWS, React, Python, Node.js, Driven personality, Excellent communication in English, Ability to multitask in fast-paced environment
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 Platform Engineer

4 days ago
Full-time
Spain, Worldwide
Key requirements: GitHub Actions, Terraform, AWS, Python, Docker, Nomad, Datadog, Salt, HashiCorp tools, CI/CD pipelines, AI platform development
Pondurance

Pondurance is an Indianapolis-based cybersecurity company offering B2B SaaS Managed Detection and Response (MDR) services to organizations across various industries, including healthcare and education.

Remote policy: Pondurance is a remote-first company, allowing employees to work from anywhere, with office locations available in McLean, VA, and Indianapolis, IN for those who prefer in-person interactions. We welcome applicants from various regions.

SAP Developer - S/4HANA Implementation

5 days ago
Full-time
Spain, Europe
Key requirements: ABAP-OO, S/4HANA, RAP, OData, Fiori, English proficiency, German proficiency
Lupus Consulting

Lupus Consulting is a Hungary-based B2B IT services provider specializing in SAP implementation, consulting, and custom software development for the banking, insurance, and government sectors across Europe and EMEA.

Principal Golang Engineer (EMEA Remote)

5 days ago
Full-time
Spain, Europe
€70,000 to €100,000 per year
Key requirements: 6 years of experience, Go, P2P systems, libp2p, Decentralized systems, Cloud Computing, Distributed systems, Performance tuning, Multi-cloud environments
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.

Senior Software Engineer (Elixir)

5 days ago
Full-time
Spain, Europe
£85,000 to £105,000 per year
Key requirements: Elixir, AI development tooling, Workforce management, B2B SaaS, Customer engagement, Clear communication, Pragmatism
Sona (getsona.com)

Sona is a London-based B2B SaaS provider specializing in AI-powered workforce management solutions for frontline sectors, including hospitality, retail, and food service.

Remote policy: Sona offers fully remote and flexible working arrangements, with team members supported in various locations. Specific hiring regions are not defined.

Contract FastAPI Engineer (3/6 months)

5 days ago
Contract
Spain, Europe
Key requirements: Python, FastAPI, Public API design, Async programming, API reliability, E-commerce experience, AI integration, Docker
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.

Azure AppDev Engineer

6 days ago
Full-time
Spain, Worldwide
$70,000 to $70,000 per year
Key requirements: 3 years of experience, C#, ASP.NET, REST APIs, SQL Server, Git, CI/CD, Azure services, EF Core, Modern JavaScript, Automated testing
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.

Software Engineer, Java and Spring Boot

7 days ago
Full-time
Spain, Canada, Germany, France, Italy, Portugal, Belgium
Key requirements: Java, Spring Boot, PostgreSQL, REST APIs, Open source experience, Secure software development, Automated testing, CI/CD pipelines, Docker, GitHub workflows
Eclipse Foundation, Inc.

Eclipse Foundation, Inc. is a Brussels-based non-profit organization that stewards over 400 open source software projects, focusing on B2B services in the enterprise software and cloud industries for a global community of developers.

Senior Core Engineer, Walrus

8 days ago
Full-time
Spain, Worldwide
Key requirements: 5 years of experience, Rust, Distributed systems, Consensus protocols, Storage systems, Production systems management, System monitoring, High performance systems
Mysten Labs

Mysten Labs is a Palo Alto-based Web3 infrastructure company specializing in the Sui Layer 1 blockchain platform, offering B2B solutions for gaming, DeFi, and NFT sectors globally.

Remote policy: Mysten Labs is a remote-first company hiring across the world, with team members located in various regions. We welcome applications from candidates globally.

Software Engineer

8 days ago
Full-time
Spain
Key requirements: 2 years of experience, Java, Kubernetes, Cloud technologies, REST APIs, Fault-tolerant backend services, High-traffic systems, Observability tooling
Twilio

Twilio is a San Francisco-based cloud communications B2B company providing programmable communication APIs for SMS, voice, email, and authentication, serving diverse industries globally.

Remote policy: Twilio supports flexible remote work arrangements and hires globally, with team members located in various regions including Europe, South America, and Asia.

Senior Cloud Software Engineer

8 days ago
Full-time
Spain
€50,000 to €80,000 per year
Key requirements: 5 years of experience, Python, AWS cloud-native solutions, Terraform, SLIs/SLOs, microservices architecture, technical project leadership, security-at-scale
Twilio

Twilio is a San Francisco-based cloud communications B2B company providing programmable communication APIs for SMS, voice, email, and authentication, serving diverse industries globally.

Remote policy: Twilio supports flexible remote work arrangements and hires globally, with team members located in various regions including Europe, South America, and Asia.

Senior Software Engineer - MXP

9 days ago
Full-time
Spain, Poland, South Africa, Bulgaria
Key requirements: 5 years of experience, Java, Spring Boot, FinTech experience, API development, Problem-solving, Financial services knowledge, Distributed ledger technology familiarity, 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).

Software Engineer I, Back-end (Repayment Scheduling)

9 days ago
Full-time
Spain
€55,000 to €85,000 per year
Key requirements: Python, Kotlin, AWS, MySQL, Kubernetes, Distributed systems, On-call rotation, Code reviews, Effective 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.

Senior Core Systems Developer

9 days ago
Full-time
Spain, Europe
Key requirements: 5 years of experience, Python, C#, CeFi and DeFi experience, Data structures and algorithms, System troubleshooting, Clean and maintainable code
Auros

Auros is a Hong Kong-based B2B cryptocurrency market making firm specializing in high-frequency trading and liquidity provision services for the global digital asset market.

Remote policy: Auros Global embraces a hybrid work model, allowing remote and flexible work arrangements while hiring from various regions globally, including the UK and EU.

Senior Backend Engineer | Mimir OSS | UK | Remote

10 days ago
Full-time
Spain, United Kingdom, Germany, Sweden
£91,755 to £110,106 per year
Key requirements: Go, Cloud systems, Observability systems, Kubernetes, Kafka, Microservices architecture, Distributed systems, Infrastructure as code, Pragmatism, Collaboration, Communication
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 | Mimir OSS | Sweden | Remote

10 days ago
Full-time
Spain, United Kingdom, Germany, Sweden
SEK 775,444 to SEK 930,533 per year
Key requirements: Go, Cloud software development, Distributed systems, Observability systems, Kubernetes, Kafka, Microservices architecture, Infrastructure as code
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 | Mimir OSS | Spain | Remote

10 days ago
Full-time
Spain, United Kingdom, Germany, Sweden
€82,988 to €99,586 per year
Key requirements: Go, Cloud software development, Distributed systems, Observability systems, Kubernetes, Kafka, Microservices architecture, Infrastructure as code
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 | Mimir OSS | Germany | Remote

10 days ago
Full-time
Spain, United Kingdom, Germany, Sweden
€97,034 to €116,441 per year
Key requirements: Go, Cloud software development, Observability systems, Kubernetes, Distributed systems, Microservices architecture, DevOps model, Clean code practices
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.

GTM Systems Forward Deployed Engineer

11 days ago
Full-time
Spain, Worldwide
Key requirements: 8 years of experience, Salesforce development proficiency, Apex, Lightning Web Components (LWC), Salesforce Experience Cloud, Salesforce Service Cloud, AI-assisted development workflows, Direct stakeholder engagement, End-to-end solution delivery ownership
G2

G2 is a Chicago-based B2B software marketplace that empowers businesses to make informed software decisions through peer reviews and insights.

Remote policy: G2 embraces a remote-first culture, hiring from various regions to build a diverse global team. Team members collaborate across time zones, ensuring flexibility and inclusivity in the workplace.