Fresh remote Backend Developer jobs in Spain

Key requirements: 5 years of experience, Desktop application experience, Java, C#, Python, Cloud Services (AWS), Software architecture practices, DDD, TDD, CI/CD with Jenkins, Large code base experience, C++, Golang, Rust, Windows, Linux, CMake, Nuget, Git, GitHub, QT

Arc.dev is a freelance platform that only connects developers who pass their vetting process. NOTE: Jobs posted by Arc.dev are freelance opportunities provided by their clients, and you will likely communicate with Arc.dev when applying for a job.

Remote policy: Arc.dev is a fully remote freelance platform.

Software Engineer

Key requirements: Java, Python, Go, Rust, Scala, Relational databases, NoSQL databases, Project leadership, Cross-disciplinary collaboration, Distribution storage frameworks, Execution frameworks

8VC

8VC is an Austin-based B2B venture capital firm specializing in technology and life sciences investments, focusing on transformational technologies across sectors like AI, biotech, and fintech, primarily targeting startups in the USA.

Remote policy: 8VC supports remote work for various roles, with some positions requiring candidates to be based in specific locations such as near Colorado Springs, USA. Team members may be located in different regions, allowing for collaboration across time zones.

Senior Backend Engineer (Golang)

Key requirements: 5 years of experience, Golang, Postgres, Database optimization, Microservices architecture, Docker, Kubernetes, Cloud technologies, CI/CD pipelines

Remote policy: Arc.dev is a fully remote freelance platform.

Senior Java Software Engineer

$90,000 to $130,000 per year

Key requirements: 6 years of experience, Java 8+, Spring Boot, RESTful API development, AWS, Hibernate, SOLID principles, Agile methodologies, Unit testing frameworks

Remote policy: Arc.dev is a fully remote freelance platform.

Backend Developer - PHP (m/f/d)

Key requirements: 3 years of experience, Symfony, SOLID principles, TDD, Docker, MySQL, Linux, PHP CLI applications, Data-driven approach, Customer-centric communication

Spain

Productsup

Productsup is a global B2B P2C platform specializing in managing product content journeys for the e-commerce industry, leveraging AI and automation to optimize listings for brands and retailers.

Remote policy: Productsup supports remote work and offers flexible working arrangements, allowing team members to work from various locations, including the DACH region.

ServiceNow Application Engineer (421802)

Contract

Key requirements: 5 years of experience, ServiceNow HRSD module, Employee Lifecycle Management, HR Case Management, HR Operations understanding, HR service delivery models

Remote policy: Arc.dev is a fully remote freelance platform.

C# Developer

Key requirements: .NET 8, C#, MS SQL Server, Azure DevOps, Fluent German, OPC UA

Remote policy: Arc.dev is a fully remote freelance platform.

Senior Back-end Engineer

Spain, North America, South America, Europe, Africa

€40,000 to €60,000 per year

Key requirements: 5 years of experience, Python, Django, AWS, GCP, Azure, Docker, Kubernetes, SQL, NoSQL, pytest, unittest, Git, Airflow, pandas

Remote policy: Arc.dev is a fully remote freelance platform.

Staff Backend Engineer - Developer Experience

Spain, Europe, Middle East, Africa

Key requirements: Ruby, Golang, Public cloud infrastructure (GCP, AWS, Azure), Infrastructure as Code (Terraform, Ansible), Developer tools, Technical leadership, Engineering productivity, Data visualization (Snowflake)

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 - Rust - Blockchain Platform

$127,000 to $203,000 per year

Spain, Europe

Key requirements: 8 years of experience, Rust, Asynchronous programming, Blockchain ecosystems, Kafka, Large data handling, API development, GraphQL, gRPC, DevOps tooling, Docker, Kubernetes, Scalable application design, Automated testing, Technical writing, Solution-oriented mindset, Constructive dialogue skills

Kraken

Kraken is a global fintech B2B and B2C cryptocurrency exchange platform, dedicated to accelerating crypto adoption and headquartered remotely with a presence in over 70 countries.

Remote policy: Kraken is a fully remote company with team members in over 70 countries, hiring globally to support a diverse workforce across various regions.

Senior Software Engineer, Platform

$140,000 to $170,000 per year

Key requirements: 5 years of experience, Python, Django, Microservices design, High-traffic web applications, MySQL optimization, Elasticsearch, Kafka, gRPC

Muck Rack

Muck Rack is a Miami-based SaaS platform specializing in media monitoring and public relations tools for B2B clients in the global communications industry.

Remote policy: Muck Rack is a fully remote company with a distributed team, hiring from various regions globally. While we support remote work, there may be specific limitations on hiring locations based on job function.

Software Engineer (Java)

7 days ago

Spain, United States, Canada, United Kingdom

Key requirements: Java, Go, Kotlin, Microservices architecture, Spring Boot Reactive, AWS, Docker, Kubernetes, Kafka, Redis, Continuous Deployment, Multi-threaded architectures, Event-driven pipelines

Vonage

Vonage is a Holmdel Township, NJ-based cloud communications provider specializing in unified communications and contact center solutions for B2B and B2C markets globally.

Remote policy: Vonage supports flexible remote work arrangements and hires from various regions, including the United States, Canada, and the United Kingdom, allowing team members to collaborate across time zones.

Scala Engineer (Trading)

10 days ago

Key requirements: Scala, Trading systems, Arbitrage strategies, Crypto/Web3, Ownership, Entrepreneurial thinking

SwissBorg

SwissBorg is a Lausanne-based B2C crypto management app specializing in cryptocurrency trading, yield earning, and thematic investments for individual investors.

Senior Backend Engineer

10 days ago

Key requirements: Domain Driven Design, Developer Productivity, Python, AWS, Product mindset, End-to-end ownership, Engineering culture

Spain

Welltech

Welltech is a B2C mobile health app developer headquartered in an unspecified location, specializing in health and fitness applications for a global audience.

Remote policy: Welltech embraces a global approach to hiring, with team members located in various regions including the USA, LATAM, and Europe, supporting remote work opportunities across time zones.

Senior Software Engineer - Loki Query

11 days ago

Spain, United Kingdom, Germany, Sweden

€94,000 to €118,000 per year

Key requirements: Go, Cloud software development, Project delivery, Kubernetes, Grafana, Prometheus, Distributed systems

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

12 days ago

Key requirements: 5 years of experience, Ruby on Rails, Microservices, Distributed systems, Event-driven architecture, Caching strategies, Asynchronous service communication, Backend infrastructure design

Spain, Germany

Blinkist

Blinkist is a Berlin-based B2C subscription service specializing in summarizing nonfiction books for personal and professional development, with a library of over 6,500 titles available in multiple languages.

Remote policy: Blinkist embraces a flexible, remote-friendly work culture, allowing team members to work from various locations, including the option to join the team in Berlin, Germany.

Java Backend Developer – RAF 70 – 09

12 days ago

Key requirements: Java, Springboot, Microservices, AWS, RDS, RedShift, SQS, SNS, Fintech experience

Xogito

Xogito is a global B2B digital services provider specializing in data management, real-time bidding, e-commerce, and advertising technology solutions.

Remote policy: Xogito supports a fully remote work environment and hires globally, welcoming applications from various regions without specific restrictions.

Member of Technical Staff, Backend

14 days ago

Spain, North America, Europe

$220,000 to $270,000 per year

Key requirements: 3 years of experience, Python, Typescript, AWS Fargate, Kubernetes, FFmpeg, PyTorch, Terraform, Production-ready systems, Machine learning

Runway

Runway is an AI-driven creativity platform headquartered in the US, specializing in tools for art and entertainment, operating primarily in a B2B model.

Remote policy: Runway is open to hiring remotely across North America and Europe, with team members also working from offices in NYC, San Francisco, Seattle, and London.

Software Designer

15 days ago

Key requirements: 6 years of experience, Python, CI/CD pipelines, Docker, Kubernetes, Infrastructure-as-code, Linux, Git, Software design, System architecture, Networking protocols

Kepler Communications

Kepler Communications is a Toronto-based B2B satellite telecommunications company specializing in real-time data relay services for space-based assets, targeting the Earth Observation and Commercial Space markets.

Senior backend engineer | PHP | Activation squad

15 days ago

23,800 to 33,400 PLN per month

Key requirements: 5 years of experience, PHP, Symfony, Slim, Distributed systems, System design patterns, Relational DB, NoSQL, Docker, AWS

Nord Security

Nord Security is a Lithuania-based cybersecurity company specializing in SaaS solutions like NordVPN, providing digital security and privacy services to a global B2C market.

Remote policy: Nord Security supports remote work and hires globally, with team members located in various regions, including Lithuania. Candidates from different time zones are welcome to apply.

Senior Software Engineer - Pro - C++ - Market Data

16 days ago

$146,000 to $234,000 per year

Key requirements: 5 years of experience, C++, Cryptocurrency familiarity, Low-latency systems, High-volume transaction environments, Advanced order types knowledge, Python proficiency, Proactive mindset

Kraken

Kraken is a global fintech B2B and B2C cryptocurrency exchange platform, dedicated to accelerating crypto adoption and headquartered remotely with a presence in over 70 countries.

Remote policy: Kraken is a fully remote company with team members in over 70 countries, hiring globally to support a diverse workforce across various regions.

Senior Multiplayer Server Engineer - Paper.io 2

16 days ago

Spain, Germany, France, Netherlands, Ireland, Italy, Poland, Portugal, Belgium, Malta, Romania, Sweden, Norway, Finland, Denmark, Switzerland, Austria, Greece, Bulgaria, Lithuania, Czechia, Croatia

Key requirements: 5 years of experience, C#, Unity, Multiplayer server architecture, Nakama, High-load system optimization, Database optimization, Network performance, Distributed systems

Voodoo

Voodoo is a Paris-based tech company specializing in mobile games and apps, recognized as the #3 mobile publisher worldwide with a global reach.

Remote policy: Voodoo supports full remote work for candidates located within a 2-3 hours time difference of CET, hiring from various regions to foster collaboration across time zones.

Senior Backend Engineer - Software Supply Chain Security: Pipeline Security

16 days ago

$117,600 to $252,000 per year

Key requirements: 5 years of experience, Ruby on Rails, CI/CD concepts, Secrets management, SLSA compliance, Web application security, GitLab/GitHub workflows, Golang, Container security, SLSA framework

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, C++ (Mobile Core)

18 days ago

Spain, United Kingdom, Poland

Key requirements: C++, Golang, IP networking, Mobile core architectures, Distributed systems, DevOps practices, Automated testing, 3GPP protocols, Elixir

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.

Python Developer

18 days ago

$70,000 to $100,000 per year

Key requirements: 3 years of experience, Python, Django, SQL databases, REST APIs, OOP principles, Linux, unit testing, CI/CD, AWS

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 Salesforce Developer

20 days ago

Key requirements: 7 years of experience, Apex, SOQL, Visualforce, Lightning Component Development, Salesforce customizations, Salesforce integrations, Python, Java, Relational databases, SQL

Menlo Security

Menlo Security is a Mountain View, CA-based B2B cybersecurity company specializing in secure enterprise browser solutions that protect against phishing and malware for government agencies and global enterprises.

Remote policy: Menlo Security supports remote work and hires from various regions globally, with team members located in places such as India and the United States, allowing for collaboration across time zones.

Scala Engineer

21 days ago

Spain, Germany, France, Netherlands, Ireland, Italy, Poland, Portugal, Belgium, Malta, Romania, Sweden, Finland, Denmark, Switzerland, Austria, Greece, Bulgaria, Lithuania, Czechia, Croatia

Key requirements: Scala, Kubernetes, Event Sourcing, Crypto/Web3 interest, Ownership, Entrepreneurial thinking

SwissBorg

SwissBorg is a Lausanne-based B2C crypto management app specializing in cryptocurrency trading, yield earning, and thematic investments for individual investors.

Senior Backend Engineer

22 days ago

Key requirements: Domain Driven Design, AWS (Lambda/API Gateway/SQS/SES/CloudFormation/CloudWatch), Python or Kotlin, Developer productivity, End-to-end ownership, Strong product & business mindset, Engineering culture & excellence, System-level impact

Spain, Europe

Welltech

Welltech is a B2C mobile health app developer headquartered in an unspecified location, specializing in health and fitness applications for a global audience.

Senior Backend Engineer, SSCS: Authorization

$98,000 to $210,000 per year

Key requirements: Ruby on Rails, RBAC, Mature authorization systems (OPA, Cedar, Zanzibar), Enterprise-grade authentication systems (OAuth, SAML, SCIM, LDAP), Relational databases (Postgres preferred), Performance issue diagnosis, Secure coding practices

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, Backend (Platform - Crypto Data Foundations)

$186,065 to $218,900 per year

Key requirements: 5 years of experience, Distributed systems, Crypto experience, Architecting solutions, Indexing platform development, Golang, Kafka, Redis, S3, Clickhouse, MongoDB, Microservices decomposition

Remote policy: Arc.dev is a fully remote freelance platform.

Intermediate Backend (Go) Engineer, Runway

Key requirements: 3 years of experience, Golang, GCP, AWS, Kubernetes, Docker, Database systems, Logging systems, On-call responsibilities, Problem-solving, Remote work experience

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.

WordPress Engineer

Key requirements: 3 years of experience, WordPress plugin development, Custom WordPress themes, PHP frameworks, Mobile-first website design, SEO best practices, API integration, Ad serving technologies, Cross-browser testing, Web analytics, Version control systems

The Publisher Desk

The Publisher Desk is a global B2B service provider in digital publishing, specializing in audience development and content monetization for media brands in the sports and lifestyle sectors.

Cloud Software Engineer

25 days ago

Spain, Germany, France, Netherlands, Ireland, Italy, Poland, Portugal, Belgium, Romania, Ukraine, Serbia, Sweden, Norway, Finland, Denmark, Switzerland, Austria, Greece, Bulgaria, Lithuania, Czechia, Croatia

Key requirements: Python, Golang, Kubernetes, Docker, CI/CD, API/microservice design, GitOps

Namecheap Inc

Namecheap Inc. is a Phoenix-based B2B and B2C web hosting and domain name registrar offering SaaS solutions and site security products for a global market.

Remote policy: Namecheap supports remote work for various roles, including a 100% remote option for specific positions, with some time zone considerations. The company primarily operates from the United States, and further details on hiring locations may vary.

Senior Backend Developer

Spain, Germany, France, Netherlands, Ireland, Italy, Poland, Portugal, Belgium, Malta, Romania, Sweden, Finland, Denmark, Austria, Greece, Bulgaria, Lithuania, Czechia, Croatia

Key requirements: 5 years of experience, Node.js, NoSQL, Docker, JavaScript, TypeScript, Clean code, Clean architecture, Mentoring, New technologies investigation, High traffic websites experience

Kodify

Kodify is a technology company specializing in software solutions, including AI-driven automation and text formatting tools, operating as a B2B service provider with a focus on the online entertainment sector.

Remote policy: Kodify offers flexible work arrangements, allowing for fully remote positions or the option to work from their Barcelona office, with team members potentially located in various regions.

Senior Backend Engineer - Fulfillment (Ruby and Compliance)

$117,600 to $252,000 per year

Key requirements: Ruby on Rails, SOX compliance, Financial compliance, Data integrity, Project ownership, Statistical analysis, Automated reporting tools

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 - Mimir Ingest

Spain, United Kingdom, Germany, Sweden

€94,000 to €118,000 per year

Key requirements: Go, Cloud software development, Observability systems, Kubernetes, Distributed systems, DevOps model, Clean code practices, Self-driven project delivery

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.

Senior Software Engineer - Mimir Ingest

Spain, United Kingdom, Germany, Sweden

€80,571 to €100,713 per year

Key requirements: Go, Cloud software development, Observability systems, Kubernetes, Distributed systems, DevOps model, Clean code practices, Self-driven project delivery

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.

Software Engineer - Data Sources Team

28 days ago

Spain, Portugal, Serbia, United Arab Emirates, Georgia

Key requirements: 3 years of experience, Python, DevOps, AWS, Docker, CI/CD, Reverse engineering public APIs, PostgreSQL, Django ORM, Network protocols, Web technologies

Truv

Truv is a remote-first B2B provider of real-time income and employment verification solutions for the financial services industry, headquartered globally and serving lenders and insurers.

Remote policy: Truv is a fully remote company that hires from various regions globally, including North America, South America, Europe, and Asia, with team members located in cities such as Miami, Toronto, and London.

Staff Smart Contract Engineer

29 days ago

Key requirements: Solidity, EVM, DeFi protocols, Smart contract security, Web3 technology, Technical mentoring, Protocol-level infrastructure

Avara

Avara is a blockchain technology company specializing in decentralized finance (DeFi) solutions, headquartered in an unspecified location, targeting global users with innovative products like the Aave app and GHO stablecoin.

Remote policy: Avara embraces a flexible remote work culture and welcomes applications from diverse candidates around the world, fostering collaboration across various time zones.

Ecommerce API/EDI Developer

Spain, South America, Europe

Key requirements: API development, EDI standards (ANSI X12, EDIFACT), B2B integration, Node.js, Custom scripts for EDI, B2B communication protocols, EDI translation software, Ecommerce knowledge

Pipe17

Pipe17 is a Seattle-based B2B SaaS provider specializing in omnichannel order operations automation for the e-commerce and retail industries.

Remote policy: Pipe17 embraces a flexible remote work approach, hiring from various regions including LatAm and Europe, while being headquartered in Seattle, Washington, USA.

Senior Software Engineer, Runtime Interpreter (Scheme/Rust)

Spain, United Kingdom, Germany, France, Netherlands, Ireland, Italy, Poland, Sweden

Key requirements: 5 years of experience, Rust, Scheme-based dialects, Linux systems troubleshooting, Remote team collaboration, Documentation writing

Remote policy: Arc.dev is a fully remote freelance platform.

Smile CDR / FHIR Developer

$70.00 to $80.00 per hour

Key requirements: 10 years of experience, Smile CDR, FHIR, Java, HL7 standards, SNOMED CT, LOINC, ICD-10, SQL, NoSQL, OAuth 2.0, OpenID Connect, Problem-solving skills

Remote policy: Arc.dev is a fully remote freelance platform.

Software Developer

Key requirements: Next.js, Node.js, PostgreSQL, Redis, B2B e-commerce

Remote policy: Arc.dev is a fully remote freelance platform.

Backend Engineer

$72,000 to $102,000 per year

Spain, South America

Key requirements: 3 years of experience, Python3, AWS, PostgreSQL, Distributed systems, Microservices, Docker, Flask, NumPy, Pandas

Kalepa

Kalepa is a New York-based B2B AI software company revolutionizing the commercial insurance industry with its Copilot underwriting platform, serving insurers globally.

Remote policy: Kalepa supports remote work and hires from various regions, including the USA, Europe, and Latin America, with team members located globally. The company fosters a collaborative environment across time zones (UTC-3 to UTC-5).

Senior Backend Engineer