Fresh remote Backend Developer jobs in Spain

Explore latest remote Backend Developer opportunities from leading companies hiring in Spain. 85 jobs posted last 30 days.

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Fresh remote Backend Developer jobs in Spain (85)

Senior Python Engineer (FastAPI / Python & PublicAPI experience)

about 9 hours 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

about 9 hours 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

about 9 hours 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

about 9 hours 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

about 20 hours 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 - Elixir

about 21 hours ago
Full-time
Spain, Ireland, Brazil, Poland, Argentina
Key requirements: 6 years of experience, Elixir, Microservice architecture, Relational databases at scale, RabbitMQ, Kafka, Concurrent programming, ETS, Mnesia, Cassandra, Redis, Docker, Kubernetes, Consul, Jenkins, Prometheus
Telnyx

Telnyx is a global telecommunications B2B company specializing in cloud-native VoIP solutions and connectivity applications, headquartered in an undisclosed location, serving businesses worldwide.

Remote policy: Telnyx supports remote work and hires from various regions globally, with team members located in over 145 countries. This allows for collaboration across different time zones.

Staff Backend Engineer

1 day 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

1 day 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

2 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

2 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

3 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

3 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

3 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

4 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)

4 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)

5 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

5 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

6 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)

6 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

6 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

6 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

7 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

7 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)

8 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

8 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)

8 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

8 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

8 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

9 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)

9 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.