Backend Developer Jobs in Barcelona

Backend Developer jobs in Barcelona hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $123,934/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Barcelona
AI/ML
Data Science
Backend
Frontend
Mobile
DevOps
Web3
Games
Hardware
Robotics
Security
QA
Executive
Networking
Product
Design
Analytics
Support
Enterprise Apps
Quantum

Scalera AG

ra-scale.ai
RA Scale AG is an ETH Zurich spin off based in the Zurich region that operates the ra-scale.ai platform under the Scalera brand. The company develops an artificial intelligence software suite for construction tenders to help mid sized construction companies optimize business processes and improve return on investment.
ra-scale.ai • Zurich • Artificial Intelligence • Real Estate • PropTech
Zurich • Artificial Intelligence • Real Estate • PropTech
$74k – $105k per year • Senior • 4+ years expZurich • Remote (EU, EEA) • Full-Time • Senior
Python
Python
Django
FastAPI
DevOps
CI/CD
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Open 139 days 5 months ago

Senior Backend Engineer (Python) (Remote)

$99k – $185k per year (Estimated) • Senior • 4+ years expZurich • Remote (EU, EEA) • Full-Time • Senior
Python
Python
Django
FastAPI
Databases
Google BigQuery
AI/ML
Claude
Copilot
Cursor
DevOps
CI/CD
GCP
Google Cloud Run
Apply
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Pragmatike

pragmatike.com
Pragmatike is a global remote recruitment and staffing platform that connects companies with top-tier technology professionals. The company specializes in human-curated talent matching, sourcing vetted software developers, product managers, and IT specialists for startups and enterprises worldwide. By streamlining the hiring process and offering flexible, project-based collaboration, it enables organizations to rapidly build and scale their distributed engineering teams.
pragmatike.com • HQ: Hanoi, Vietnam • Information Technology • IT Outsourcing • Professional Services • Human Resources
HQ: Hanoi, Vietnam • Information Technology • IT Outsourcing • Professional Services • Human Resources
Verified live · 10 hours ago 2 months ago

Senior Fullstack Engineer (Remote)

Senior • 5+ years expDubai • Remote (United Arab Emirates, Croatia, Czech Republic, Italy, Montenegro) • Full-Time • Senior • French (Optional)
Node JS
JavaScript
Node JS
Nest.JS
TypeORM
Databases
RabbitMQ
Redis
AI/ML
Claude
Claude Code
Copilot
Cursor
AI Agents
OpenAI Codex
Frontend
React.js
Next.js
Tailwind CSS
Mobile
React Native
DevOps
Rest API
GitHub
Cybersecurity
GDPR
Apply
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Zapier

zapier.com
Build and scale AI workflows and agents across 9,000+ apps with Zapier—the most connected AI orchestration platform. Trusted by 3 million+ businesses.
zapier.com • Artificial Intelligence • Data Integration • Business Process Automation (BPA) • Est. 2011
Artificial Intelligence • Data Integration • Business Process Automation (BPA) • Est. 2011
Verified live · 2 hours ago 3 months ago

Staff Backend Engineer, Commerce

Staff+ • 8+ years exp • Remote (AMER, EMEA, APAC) • Full-Time • Staff
ChatGPT
Claude
Management
Zapier
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Builder.io

builder.io
One codebase for engineers, designers, PMs, and marketers. Everyone works from one source of truth, on brand and in code, with no handoffs to clean up.
builder.io • New York • San Francisco • Software • Digital Design • Web Development • 51-200 employees • Est. 2017
New York • San Francisco • Software • Digital Design • Web Development • 51-200 employees • Est. 2017
Verified live · 1 day ago 3 months ago

Senior Customer Engineer

$140k – $186k per year • Equity • Senior • 6+ years exp • Remote (EMEA) • Senior
JavaScript
TypeScript
AI/ML
AI Agents
LLM
Frontend
Angular
GraphQL
React.js
Vue.js
Apply
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Uberall

uberall.com
Uberall is a Berlin company founded in 2013 that manages location data and reviews for multi-site brands. Its platform keeps store information consistent across maps, search engines and directories and handles customer reviews centrally. The company serves retail, hospitality and service chains across Europe and North America.
uberall.com • HQ: Berlin, Germany • Sales & Marketing • Data & Analytics • Artificial Intelligence • Est. 2013
HQ: Berlin, Germany • Sales & Marketing • Data & Analytics • Artificial Intelligence • Est. 2013
Verified live · 1 day ago 3 months ago

Senior Software Engineer - AI Platform & Frameworks

$68k – $191k per year (Estimated) • Senior • 7+ years exp • Remote (Europe, Armenia) • Contractor • Senior
Kotlin
Python
Java
Java
Spring Boot
Databases
Redis
AI/ML
AI Agents
LangChain
LangGraph
LLM
Function Calling
Human-in-the-Loop
LLM Guardrails
Model Context Protocol
Langfuse
MLFlow
DevOps
AWS
gRPC
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HP Inc.

hp.com
HP Inc. is a American multinational technology company specializing in personal computing, printing systems, and 3D printing solutions. Formed in 2015 following the corporate split of the original Hewlett-Packard Company, it manufactures a broad portfolio of consumer and enterprise products, including laptops, desktop PCs, workstation displays, and commercial printers.
hp.com • HQ: Palo Alto, United States • Consumer Electronics • Printers & Scanners • Laptops • 5000+ employees
HQ: Palo Alto, United States • Consumer Electronics • Printers & Scanners • Laptops • 5000+ employees
Verified live · 1 hour ago 3 months ago

SW engineer for PSP solutions

$29k – $101k per year (Estimated) • Middle • 4+ years expRemote/Hybrid (Barcelona, Spain) • Relocation • PhD • Full-Time • Middle
C++
JavaScript
Python
Go
SQL
TypeScript
AI/ML
AI Agents
Frontend
React.js
DevOps
AWS
Azure
CI/CD
Docker
Kubernetes
Apply
Open 102 daysVerified live · 1 hour ago 4 months ago

Presales AI Software Solutions Engineer

$54k – $124k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Barcelona, Spain) • Relocation • Bachelor's Degree • Full-Time • Senior
C++
Python
AI/ML
Edge AI
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Hivemq

hivemq.com
The real-time Industrial Data Platform powering Agentic AI. Built on MQTT to connect, contextualize, and analyze AI-ready data from edge to cloud.
hivemq.com • AI Agents • IoT Connectivity • Internet of Things
AI Agents • IoT Connectivity • Internet of Things
$67k – $140k per year • Senior • 5+ years exp • Remote (Germany, United Kingdom, Spain) • Full-Time • Senior
Apache Kafka
AI/ML
Claude
Claude Code
Copilot
DevOps
ArgoCD
CI/CD
Git
Kubernetes
Self-Healing
IoT
MQTT
Apply
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Chromatic

chromatic.com
Chromatic catches visual, interaction, and accessibility issues before they ship. This enforces your UI standards, even when AI codes. Assign reviewers to speed up sign-off and provide agents with validated UI context.
chromatic.com • Software • Quality Assurance • Est. 2017
Software • Quality Assurance • Est. 2017
Verified live · 1 day ago 3 months ago

Developer Experience Engineer

$175k – $194k per year • Remote (Europe, North America) • Full-Time
JavaScript
AI/ML
AI Agents
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Bitso

bitso.com
Bitso is a Latin American digital asset platform founded in 2014 and headquartered in Mexico City. It serves retail customers in Mexico, Argentina, Brazil and Colombia and provides stablecoin-based settlement rails for cross-border remittance corridors. The company holds a fintech licence in Mexico and processes a substantial share of the country's digital asset remittance flow.
bitso.com • HQ: Mexico City, Mexico • Cryptocurrencies • Blockchain & Crypto • Est. 2014
HQ: Mexico City, Mexico • Cryptocurrencies • Blockchain & Crypto • Est. 2014
Equity • Remote (LATAM, Europe)
Java
Databases
Apache Kafka
PostgreSQL
AI/ML
Claude
Cursor
DevOps
AWS
CI/CD
Docker
GCP
Kubernetes
Apply
Report

Filigran

filigran.io
Let’s build a new open approach to cybersecurity strategy and operations. Learn more about how FIligran started and our star team.
filigran.io • HQ: Paris, France • Security Operations • Cybersecurity • Threat Intelligence • Est. 2022
HQ: Paris, France • Security Operations • Cybersecurity • Threat Intelligence • Est. 2022
Verified live · 1 day ago 3 months ago

Staff - Tech Lead Software Engineer - OpenCTI

$52k – $137k per year (Estimated) • Lead • 8+ years exp • Remote (Germany, France, Spain, Portugal) • Full-Time • Staff
Node JS
JavaScript
Databases
ElasticSearch
Frontend
GraphQL
Cybersecurity
OpenCTI
Apply
$50k – $97k per year (Estimated) • Senior • 7+ years exp • Remote (Germany, France, Israel, Spain, Portugal) • Full-Time • Senior
Java
Node JS
Python
TypeScript
JavaScript
AI/ML
Copilot
Cursor
LLM
AI Agents
Frontend
GraphQL
React.js
DevOps
CI/CD
GitHub Actions
GitHub
Cybersecurity
OpenCTI
QA
Cypress
Gatling
Jest
k6
Locust
Pact
Playwright
Vitest
Apply
$51k – $99k per year (Estimated) • Senior • 8+ years exp • Remote (Germany, France, Israel, Spain, Sweden) • Full-Time • Senior
ElasticSearch
PostgreSQL
RabbitMQ
Redis
DevOps
CI/CD
Platform Engineering
Cybersecurity
OpenCTI
Apply
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Cloudera

cloudera.com
Cloudera provides a hybrid data platform for analytics, machine learning and data engineering. Its lineage traces to early enterprise Hadoop distributions and a later merger with Hortonworks. Large regulated enterprises use it to run analytics across on-premise and cloud estates.
cloudera.com • HQ: Santa Clara, United States • Data Centers • Data & Analytics • Artificial Intelligence • 1001-5000 employees • Est. 2008
HQ: Santa Clara, United States • Data Centers • Data & Analytics • Artificial Intelligence • 1001-5000 employees • Est. 2008
Verified live · 1 day ago 3 months ago

Technical Lead, Spark

$48k – $127k per year (Estimated) • Lead • 6+ years expRemote/Hybrid (Barcelona, Spain) • Relocation • Bachelor's Degree • Full-Time • Staff
Java
Python
Scala
SQL
Databases
Apache Iceberg
AI/ML
Spark
Apply
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Stack AI

stackai.com
Stack AI is an enterprise artificial intelligence company headquartered in San Francisco, California, and founded in 2022 by MIT researchers. The company offers a visual builder that lets non-engineers assemble AI agents and workflows over internal documents and business systems, with deployment options that keep data inside the customer environment. It sells mainly to regulated organizations in financial services, healthcare, and government that want agent automation without shipping data to a public model provider.
stackai.com • HQ: San Francisco, United States • Cybersecurity • Business Process Automation (BPA) • Software • LLM & Generative AI • AI Agents • Artificial Intelligence • Est. 2022
HQ: San Francisco, United States • Cybersecurity • Business Process Automation (BPA) • Software • LLM & Generative AI • AI Agents • Artificial Intelligence • Est. 2022
Verified live · 2 days ago 3 months ago

Forward Deployed Engineer (Spain)

$93k – $116k per year • Middle • 3+ years exp • Remote (Spain) • Full-Time • Middle • Spanish: C1
Python
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
ChatGPT
LLM
RAG
Frontend
Next.js
React.js
Management
Airtable
Apply
Report

Cohere

cohere.com
Cohere is a Canadian AI company founded in 2019 and headquartered in Toronto. It builds secure, enterprise-focused large language models and AI tools for businesses and regulated industries. The company is known for emphasizing privacy, private deployment, and "sovereign AI" rather than consumer chat products
cohere.com • HQ: Toronto, Canada • Energy & Utilities • Biotechnology • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2019
HQ: Toronto, Canada • Energy & Utilities • Biotechnology • Natural Language Processing • LLM & Generative AI • Artificial Intelligence • 1001-5000 employees • Est. 2019
Verified live · 2 hours ago 3 months ago

Software Engineer, North for Finance

Remote (EU, Europe, United States, Canada) • Full-Time
AI Agents
Edge AI
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Bnberry

bnberry.com
BnBerry will create listings for your property across all the major vacation rental platforms and provide a dedicated team of travel professionals to manage 24/7 customer support, marketing and reservations. Connect with the constantly growing aud...
bnberry.com • Real Estate Rental • Travel & Tourism • Vacation Rentals
Real Estate Rental • Travel & Tourism • Vacation Rentals
Verified live · 4 hours ago 3 months ago

Senior Laravel Developer

$61k – $94k per year (Estimated) • Senior • Remote (Czech Republic, Poland, Serbia, Spain, Portugal) • Full-Time • Senior • Russian: C1 (Optional)
PHP
PHP
Laravel
Databases
MySQL
DevOps
CI/CD
Docker
Kubernetes
GCP
Apply
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SGS

sgs.com
SGS is an inspection, verification, testing, and certification company. The company inspects agricultural products, minerals, petroleum and petrochemicals, motor vehicles, and consumer goods. SGS is headquartered in Geneva, Switzerland.
sgs.com • HQ: Geneva, Switzerland • Professional Services • Biotechnology • Transportation & Logistics • 5000+ employees
HQ: Geneva, Switzerland • Professional Services • Biotechnology • Transportation & Logistics • 5000+ employees
Verified live · 2 hours ago 3 months ago

Software Developer – Security Attack Test Benches

$33k – $93k per year (Estimated)In office (Barcelona, Spain) • Bachelor's Degree • Full-Time • Senior • English
Java
Go
Python
Rust
Java
Maven
AI/ML
CUDA
CUDA Toolkit
DevOps
CI/CD
Git
RTOS
Docker
Cybersecurity
Threat Modeling
Apply
Report

Trinetix

trinetix.com
Trinetix is a globally trusted digital partner. We help Fortune 500 companies and fast-growing brands create a better digital future by setting impactful ideas in motion.
trinetix.com • HQ: Kyiv, Ukraine • Information Technology • IT Consulting • Software • 501-1000 employees • Est. 2011
HQ: Kyiv, Ukraine • Information Technology • IT Consulting • Software • 501-1000 employees • Est. 2011
Verified live · 4 hours ago 3 months ago

AI Senior Full Stack Developer (.NET & Angular)

$60k – $92k per year (Estimated) • Senior • Remote (Germany, Poland, Romania, Spain, Ukraine) • Full-Time • Senior • English • Spanish (Optional)
C#
TypeScript
JavaScript
C#
.NET
AI/ML
ChatGPT
Claude
Copilot
Cursor
Windsurf
AI Agents
Prompt Engineering
RAG
Model Context Protocol
Frontend
Angular
DevOps
Rest API
GitHub
AWS
Azure
Apply
Report

Playson

playson.com
Playson is a renowned digital entertainment supplier, founded in 2012, which has developed worldwide recognition in the iGaming industry. We operating across 27 regulated markets and partnering with more than 200 operators worldwide. The company offers a diverse portfolio of online casino games, combining engaging math models with high-quality design and immersive gameplay experiences.
playson.com • HQ: Warsaw, Poland • Game Development • Gaming • iGaming & Gambling
HQ: Warsaw, Poland • Game Development • Gaming • iGaming & Gambling
Verified live · 1 day ago 3 months ago

Senior Software Engineer (Game Engine)

Senior • Remote (EU) • Full-Time • Senior • English: B2 • Ukrainian (Optional)
C#
C++
Go
Java
Node JS
Python
TypeScript
JavaScript
Databases
Apache Kafka
ClickHouse
DevOps
AWS
gRPC
Kubernetes
Apply
Open 434 daysVerified live · 1 day ago 1 year ago

Senior Backend Engineer (Boosters)

Senior • Remote (EU) • Bachelor's Degree • Full-Time • Senior
C#
C++
Go
Java
Node JS
TypeScript
JavaScript
Databases
Apache Kafka
ClickHouse
DynamoDB
MySQL
NATS
PostgreSQL
RabbitMQ
DevOps
AWS
Azure
GCP
gRPC
Kubernetes
Chips/EDA
PoC Library
Apply
Open 501 dayVerified live · 1 day ago 1 year ago

Senior Backend Engineer (Core Team)

Senior • Remote (EU, Ukraine) • Full-Time • Senior
C#
C++
Go
Java
Node JS
Python
TypeScript
JavaScript
Databases
Apache Kafka
DynamoDB
MySQL
PostgreSQL
Redis
ClickHouse
AI/ML
Claude
Claude Code
Cursor
DevOps
AWS
gRPC
Kubernetes
GCP
Apply
Report

Flanks

flanks.io
Flanks is a Barcelona fintech founded in 2019 that aggregates investment portfolio data for wealth managers. Its technology connects to hundreds of banks and custodians and normalises holdings into a single reporting layer. Private banks and advisers across Europe use it to replace manual portfolio consolidation.
flanks.io • HQ: Barcelona, Spain • Wealth Management • Banking • Financial Services • Est. 2019
HQ: Barcelona, Spain • Wealth Management • Banking • Financial Services • Est. 2019
Verified live · 1 day ago 3 months ago

Backend Engineer

$41k – $58k per year (gross) • Remote/Hybrid (Barcelona, Spain) • Full-Time • Spanish • English
JavaScript
Python
SQL
Databases
ElasticSearch
DevOps
CI/CD
Docker
Analytics
ETL/ELT
Apply
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Codurance

codurance.com
Codurance is a global software consultancy firm focused on helping businesses modernize their technical capabilities and build sustainable growth. With a dedication to Software Craftsmanship, Codurance emphasizes professionalism and technical excellence in software development. The company offers a range of services, including software modernization, product development, and cloud engineering, tailored to help clients solve complex challenges and achieve their business goals.
codurance.com • Barcelona • London • Leeds • Manchester • São Bernardo do Campo • IT Consulting • Information Technology • Software
Barcelona • London • Leeds • Manchester • São Bernardo do Campo • IT Consulting • Information Technology • Software
Open 92 daysVerified live · 1 day ago 3 months ago

Senior Fullstack Consultant

$47k – $70k per year • Senior • 8+ years expBarcelona • Remote (EU) • Relocation • Visa sponsorship • Full-Time • Senior • Spanish
C#
Clojure
JavaScript
Kotlin
PHP
Python
Ruby
Scala
DevOps
AWS
Azure
CI/CD
GCP
Apply
Report

Joko

hellojoko.com
Joko is a consumer shopping application company headquartered in Paris, France, and founded in 2018. The company operates a mobile app and browser extension that gives shoppers automatic cashback, discount codes, and price tracking when they buy from partner retailers. It earns affiliate commission on the purchases it drives, has expanded from France into the United States, and is backed by European venture investors.
hellojoko.com • HQ: Paris, France • E-commerce Marketing • Sales & Marketing • Software • Personal Finance • Financial Services • Mobile App Development • Commerce • Coupons, Deals & Cashbacks • 51-200 employees • Est. 2018
HQ: Paris, France • E-commerce Marketing • Sales & Marketing • Software • Personal Finance • Financial Services • Mobile App Development • Commerce • Coupons, Deals & Cashbacks • 51-200 employees • Est. 2018
Verified live · 1 day ago 4 months ago

Software Engineer (senior/staff level)

$89k – $203k per year • Staff+ • 5+ years expParisBarcelona • Remote (United States, France, Italy, Spain) • Full-Time • Staff
Apply
Verified live · 1 day ago 6 months ago

Growth Software Engineer

$71k – $112k per year • Middle • 3+ years expParisBarcelona • Remote (United States, France, Italy, Spain) • Full-Time • Middle
Apply
Verified live · 1 day ago 6 months ago

Platform Software Engineer (senior/staff level)

$89k – $203k per year • Staff+ • 5+ years expParisBarcelona • Remote (United States, France, Italy, Spain) • Full-Time • Staff • English: C1
AWS
CI/CD
IAM
Cybersecurity
Least Privilege
Apply
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Backend Developer Jobs in Barcelona
Frequently asked questions
How many Backend Developer jobs in Barcelona are available on Alion?
There are currently 82 active listings from 48 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Barcelona pay?
The average salary is around $123,934 per year based on the current listings.
Are remote options available for Backend Developer jobs in Barcelona?
Yes, many of these roles offer remote or hybrid work, and you can filter listings by remote, relocation and visa sponsorship.
How do I apply for Backend Developer jobs in Barcelona?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.