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

Solidgate

solidgate.com
Solidgate is a financial technology company headquartered in London, United Kingdom, and founded in 2018. The company provides a payment orchestration platform that enables businesses to manage multiple payment service providers, optimize transaction routing, and handle subscription billing, fraud prevention, and tax calculation. It serves global clients in the software-as-a-service and e-commerce sectors, offering infrastructure that supports card acquiring, alternative payment methods, and multi-currency treasury operations.
solidgate.com • HQ: London, United Kingdom • Commerce • Fraud Detection • Cybersecurity • Billing & Invoicing • Software • FinTech • Financial Services • Payments • 201-500 employees • Est. 2018
HQ: London, United Kingdom • Commerce • Fraud Detection • Cybersecurity • Billing & Invoicing • Software • FinTech • Financial Services • Payments • 201-500 employees • Est. 2018
Open 94 daysVerified live · 13 min ago 4 months ago

Mid/Senior Backend Engineer

$66k – $188k per year (Estimated) • Senior • 10+ years expWarsawLviv • Remote (Europe) • Full-Time • Senior
Node JS
SQL
TypeScript
JavaScript
Go
Kotlin
Databases
Apache Kafka
MySQL
PostgreSQL
RabbitMQ
Frontend
tRPC
DevOps
CI/CD
Loki
VictoriaMetrics
Grafana
AWS
Docker
GitHub Actions
GitLab CI
Terraform
GitHub
GitLab
QA
Cypress
Jest
Vitest
Apply
Report

Amplemarket

amplemarket.com
Amplemarket combines buying signal data with artificial intelligence copywriting to run outbound sales campaigns. Founded in 2018 by Portuguese engineers, it covers prospecting, sequencing and deliverability in one system. Its Duo agents research accounts and draft personalised outreach automatically.
amplemarket.com • HQ: San Francisco, United States • Code Intelligence • Branding • Artificial Intelligence • Est. 2018
HQ: San Francisco, United States • Code Intelligence • Branding • Artificial Intelligence • Est. 2018
Open 1466 daysVerified live · 3 hours ago 4 years ago

Fullstack Software Engineer

Equity • Remote (LATAM, Europe) • Cofounder
Ruby
Ruby
Ruby on Rails
Databases
ElasticSearch
PostgreSQL
Redis
AI/ML
NLP
Apply
Open 1466 daysVerified live · 3 hours ago 4 years ago

Senior Backend Software Engineer

Equity • Senior • Remote (LATAM, EMEA, North America) • Cofounder • Senior
Ruby
Ruby
Ruby on Rails
Databases
ElasticSearch
PostgreSQL
Redis
AI/ML
NLP
Apply
Report

KION Group

kiongroup.com
KION Group is a Frankfurt company that owns the Linde and STILL forklift brands and the Dematic automation business. Its supply chain solutions arm builds automated warehouses and the software that runs them for retailers and manufacturers. The group is one of the biggest industrial trucks and automation companies in the world.
kiongroup.com • HQ: Frankfurt am Main, Germany • Artificial Intelligence • Transportation & Logistics • Supply Chain • 5000+ employees • Est. 2006
HQ: Frankfurt am Main, Germany • Artificial Intelligence • Transportation & Logistics • Supply Chain • 5000+ employees • Est. 2006
Open 97 days 4 months ago

Backend Developer

$27k – $91k per year (Estimated) • Middle • 3+ years expIn office (Barcelona, Spain) • Full-Time • Middle • English: C1
Python
AI/ML
Langfuse
LLM
MLFlow
PyTorch
RAG
Scikit-learn
TensorFlow
AI Agents
Google ADK
DevOps
Azure
CI/CD
GCP
Kubernetes
Apply
Report

EQS Group

eqs.com
The EU-native governance infrastructure for global enterprises. Consolidate Compliance, ESG, and Privacy with a single provider offering control and structural safety across Europe, the US, & APAC.
eqs.com • Munich • Barcelona • Paris • Cybersecurity • Artificial Intelligence • Financial Services • Est. 2000
Munich • Barcelona • Paris • Cybersecurity • Artificial Intelligence • Financial Services • Est. 2000
Open 98 days 4 months ago

Senior Software Engineer

$54k – $123k per year (Estimated) • Senior • 7+ years expRemote/Hybrid (Barcelona, Spain) • Full-Time • Senior • English: C1
JavaScript
Node JS
TypeScript
Databases
ElasticSearch
AI/ML
OpenAI
Mobile
Clean Architecture
DevOps
Kubernetes
GitLab
Apply
Report

Dash0

dash0.com
Dash0 is an OpenTelemetry-native observability and software reliability platform headquartered in San Francisco, California. Founded by observability industry veterans, the company provides an advanced monitoring, logging, tracing, and AI-driven troubleshooting ecosystem built entirely on open-source standards.
dash0.com • HQ: San Francisco, United States • Media & Entertainment • Data & Analytics • Log Analytics • Data Visualization • Books • Est. 2023
HQ: San Francisco, United States • Media & Entertainment • Data & Analytics • Log Analytics • Data Visualization • Books • Est. 2023
Open 104 daysVerified live · 1 day ago 4 months ago

Staff Product Engineer, Backend (Go, Java)

Equity • Staff+ • Remote (EU, Europe) • Full-Time • Staff
Go
Java
AI/ML
AI Agents
DevOps
OpenTelemetry
Apply
Report

Apex Group

apexgroup.com
Apex Group is a global financial services provider headquartered in Hamilton, Bermuda, and founded in 2003. The company offers a broad range of solutions including fund administration, corporate services, depositary, custody, digital banking, and ESG advisory services to asset managers and institutional investors. It operates through a network of over 90 offices in more than 50 countries, managing trillions of dollars in assets for a diverse client base across the private equity, real estate, and hedge fund sectors.
apexgroup.com • HQ: Hamilton, Bermuda • Professional Services • Risk Management • Capital Markets • Banking • Financial Services • Asset Management • 5000+ employees • Est. 2003
HQ: Hamilton, Bermuda • Professional Services • Risk Management • Capital Markets • Banking • Financial Services • Asset Management • 5000+ employees • Est. 2003
Open 111 days 4 months ago

Senior Software Engineer

$50k – $113k per year (Estimated) • Senior • 3+ years expRemote/Hybrid (Barcelona, Spain) • Full-Time • Senior • English
SQL
C#
MATLAB
C#
.NET
Apply
Report

Udacity

udacity.com
Udacity is an online education company headquartered in Emeryville, California, and founded in 2011 by Sebastian Thrun, David Stavens, and Mike Sokolsky after a free Stanford artificial intelligence course. The company sells Nanodegree programs in areas such as programming, data science, artificial intelligence, cloud computing, and autonomous systems, built together with industry partners. It shifted toward enterprise and government reskilling contracts and was acquired by Accenture in 2024.
udacity.com • HQ: Emeryville, United States • Corporate Training • Vocational Education • Education • EdTech Platforms • E-learning • Est. 2011
HQ: Emeryville, United States • Corporate Training • Vocational Education • Education • EdTech Platforms • E-learning • Est. 2011
$149k – $280k per year (Estimated) • Staff+ • 5+ years exp • Remote (MENA, APAC, Europe, United States, Canada) • Visa sponsorship • Contractor • Architect • English: C1
Pytest
Apply
Report

Supabase

supabase.io
Supabase is an open-source backend-as-a-service company headquartered in San Francisco, California, and founded in 2020. The company provides a suite of development tools built on top of PostgreSQL, including database management, user authentication, edge functions, real-time data synchronization, and vector storage for machine learning applications. Operating as a remote-first organization, it serves a global community of developers and enterprises by offering a scalable alternative to proprietary cloud platforms through its integrated suite of open-source technologies.
supabase.io • HQ: San Francisco, United States • Machine Learning • Artificial Intelligence • Cloud Computing • Mobile App Development • Software • Web Development • Information Technology • Database Management • 201-500 employees • Est. 2020
HQ: San Francisco, United States • Machine Learning • Artificial Intelligence • Cloud Computing • Mobile App Development • Software • Web Development • Information Technology • Database Management • 201-500 employees • Est. 2020
Verified live · 5 hours ago 5 months ago

Software Engineer - Auth

$69k – $194k per year (Estimated) • Equity • Middle • 4+ years exp • Remote • Full-Time • Middle
Go
TypeScript
Python
PHP
JavaScript
Ruby
Ruby
Ruby on Rails
Python
Django
PHP
Laravel
Databases
MySQL
PostgreSQL
Supabase
Frontend
Next.js
React.js
DevOps
Vector
GitHub
AWS
Grafana
Kubernetes
OpenTelemetry
Prometheus
Apply
Verified live · 5 hours ago 7 months ago

Postgres Engineer

Equity • Remote • Full-Time
Rust
Databases
PostgreSQL
Supabase
Apply
Report

Morpho

morpho.org
Morpho is a decentralised lending protocol founded in 2021 by a team based in Paris. It replaces monolithic lending pools with minimal, immutable markets that anyone can configure, layering curated vaults on top for passive depositors. The protocol is used by fintech applications and exchanges to embed crypto-backed lending without operating their own credit infrastructure.
morpho.org • HQ: Paris, France • Creative Agencies • Design & Creative • Branding • Est. 2021
HQ: Paris, France • Creative Agencies • Design & Creative • Branding • Est. 2021
Open 152 daysVerified live · 1 hour ago 5 months ago

Staff Backend Engineer

$75k – $157k per year (Estimated) • Staff+ • 10+ years expParis • Remote (Europe) • Full-Time • Staff
TypeScript
Databases
PostgreSQL
Frontend
GraphQL
Web3
DeFi
Morpho
Apply
Report

Restream

restream.io
Restream is #1 solution that helps to broadcast live video to all social networks simultaneously. Millions of people around the world use Restream to reach, engage, and monetize their audiences. We're a small and diverse group of dreamers who mak...
restream.io • Austin • Tallinn • Software • Video Production • Media & Entertainment
Austin • Tallinn • Software • Video Production • Media & Entertainment
Open 159 daysVerified live · 1 day ago 6 months ago

Senior Software Engineer - Backend - AI Clips Team

$69k – $196k per year (Estimated) • Equity • Senior • Remote (Europe) • Full-Time • Senior
Node JS
Rust
TypeScript
JavaScript
Databases
Redis
DevOps
AWS
CI/CD
Docker
Kubernetes
Apply
Report

ShopMy

shopmy.us
ShopMy is an industry leading platform used to effortless integrate all aspects of creator marketing, from talent discovery to collaboration and monitoring. We work with a network of 40K+ creators and drive millions in order volume monthly for our brand partners. With ShopMy brands have the resources and tools to build a world-class creator marketing program, all in one place.
shopmy.us • New York • Commerce • Est. 2020
New York • Commerce • Est. 2020
Open 334 daysVerified live · 10 hours ago 11 months ago

Senior Full Stack Engineer

$67k – $190k per year (Estimated) • Senior • 5+ years exp • Remote (Europe) • Bachelor's Degree • Senior
JavaScript
Node JS
Frontend
React.js
Redux
Sass
DevOps
AWS
Amazon CloudWatch
Amazon ECS
Apply
Report

TransPerfect

transperfect.com
TransPerfect is the world’s largest provider of language services and AI technology solutions, headquartered in New York City, New York. Founded in 1992 by Phil Shawe and Liz Elting, the company operates across more than 100 cities on six continents with over 10,000 employees.
transperfect.com • HQ: New York, United States • Professional Services • Translation Services • 1001-5000 employees • Est. 1992
HQ: New York, United States • Professional Services • Translation Services • 1001-5000 employees • Est. 1992
Open 167 days 6 months ago

Python Backend Developer

$46k – $129k per year (Estimated)Remote/Hybrid (Barcelona, Spain) • Full-Time
Python
AI/ML
Claude
Docling
LlamaParse
LLM
Mistral
OpenCV
PaddleOCR
PyTorch
TensorFlow
Transformers
LlamaIndex
PaddlePaddle
OCR
DevOps
AWS
Apply
Report

Sysdig

sysdig.com
From runtime to development, gain real-time visibility into your cloud with Sysdig. Prioritize critical risks, detect threats instantly, and respond with confidence.
sysdig.com • Artificial Intelligence • Cloud Security • Cybersecurity
Artificial Intelligence • Cloud Security • Cybersecurity
Open 178 daysVerified live · 5 hours ago 6 months ago

Staff Software Engineer (Cloud Provider Team)

Staff+ • Remote (Serbia, Spain) • Full-Time • Staff
Go
Java
SQL
Databases
PostgreSQL
AI/ML
AI Agents
DevOps
IAM
CI/CD
Kubernetes
Cybersecurity
Falco
Sysdig Secure
Apply
Report

Lilt

lilt.com
Streamline global translation with AI. Connect systems, reduce costs, and secure multilingual content with enterprise-grade workflows.
lilt.com • HQ: San Francisco, United States • Design & Creative • AI Agents • Artificial Intelligence • Est. 2015
HQ: San Francisco, United States • Design & Creative • AI Agents • Artificial Intelligence • Est. 2015
Open 189 daysVerified live · 1 hour ago 7 months ago

AI Benchmark Engineer | Native Language Specialist - Spanish - Remote

$57k – $130k per year (Estimated) • Senior • 5+ years exp • Remote (Spain) • Contractor • Senior • English: C1
Python
AI/ML
LLM
Edge AI
Apply
Report

OpenProject.org

openproject.org
Achieve great things together We empower project teams to achieve great things together for the good of society. OpenProject is targeted at organizations that want to positively impact the world.
openproject.org • Financial Services • Software • Project Management
Financial Services • Software • Project Management
Open 207 daysVerified live · 1 day ago 7 months ago

Senior Ruby on Rails Developer

$89k – $217k per year (Estimated) • Senior • Remote • PhD • Full-Time • Senior • German • English
JavaScript
Ruby
TypeScript
Ruby
Ruby on Rails
Stimulus
Frontend
Angular
React.js
DevOps
CI/CD
GitHub
Apply
Report

CoverGo

covergo.com
CoverGo is an insurance technology company headquartered in Hong Kong and founded in 2017. The company sells a no-code core insurance platform covering policy administration, claims, underwriting, and distribution, connected through APIs so insurers can launch products without replacing legacy systems. It works with insurers, brokers, and banks across Asia, the Middle East, Europe, and North America.
covergo.com • HQ: Hong Kong • AI Agents • Artificial Intelligence • Middleware Software • Software • FinTech • Financial Services • Insurance • 51-200 employees • Est. 2017
HQ: Hong Kong • AI Agents • Artificial Intelligence • Middleware Software • Software • FinTech • Financial Services • Insurance • 51-200 employees • Est. 2017
Open 264 daysVerified live · 1 hour ago 9 months ago

Lead Full Stack Engineer (Node.js, React/Vue & AI Solutions)

$50k – $133k per year (Estimated) • Equity • Lead • Valencia • Remote (Spain) • Bachelor's Degree • Full-Time • Staff
Node JS
TypeScript
JavaScript
Node JS
Nest.JS
AI/ML
NLP
Hugging Face
OpenAI
Frontend
GraphQL
Vue.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Apply
Report

Xsolla

xsolla.com
Xsolla is a global video game commerce company that provides specialized financial and operational tools tailored for the gaming industry. The firm helps game developers and publishers fund, launch, market, and monetize their titles across PC, mobile, web, and cloud platforms. By operating as a merchant of record with support for over 1,000 local payment methods, it enables direct-to-consumer sales and seamless cross-border transactions for gaming studios worldwide.
xsolla.com • HQ: Los Angeles, United States • Financial Services • Payments • Game Development • Gaming • 1001-5000 employees • Est. 2006
HQ: Los Angeles, United States • Financial Services • Payments • Game Development • Gaming • 1001-5000 employees • Est. 2006
Open 272 daysVerified live · 1 day ago 9 months ago

Tech Lead — Backend Gaming Services Integrations

$105k – $116k per year • Lead • Remote (France, Spain) • Full-Time • Staff
CI/CD
Apply
Report

Flying Bisons

flyingbisons.com
Flying Bisons is a strategic design and implementation firm that provides digital consulting services focused on creating and improving online products and user experiences. The company offers expertise in areas such as digital strategy, research, design, and end to end delivery for organizations undergoing digital transformation.
flyingbisons.com • Warsaw • Professional Services • Design & Creative • UI/UX Design
Warsaw • Professional Services • Design & Creative • UI/UX Design
Open 300 days 10 months ago

Freelance Backend Developer

$28k – $71k per year (Estimated) • Junior • 2+ years exp • Remote (Europe) • Freelance • Junior • English: B2
PHP
SQL
PHP
Symfony
PHPUnit
DevOps
Docker
Git
CI/CD
Apply
Report

Metabase

metabase.com
Metabase is an open source Business Intelligence and Embedded Analytics tool. Connect to your data stack in 5 minutes to make queries, visualizations, and dashboards easy for everyone—no SQL required.
metabase.com • LLM & Generative AI • Information Technology • Data & Analytics • 51-200 employees • Est. 2015
LLM & Generative AI • Information Technology • Data & Analytics • 51-200 employees • Est. 2015
Open 313 daysVerified live · 10 hours ago 11 months ago

Success Engineer (EU)

$63k – $151k per year (Estimated) • Middle • 3+ years exp • Remote (EU, United Kingdom) • Full-Time • Middle
SQL
DevOps
AWS
Docker
GCP
Apply
Report

ING Group

ing.com
ING Group is a Dutch multinational banking and financial services corporation headquartered in Amsterdam, with a strong presence across Europe and the globe. The institution provides a comprehensive range of services, including retail and wholesale banking, commercial lending, and asset management for individuals, corporations, and government entities. Driven by a commitment to sustainability and digital innovation, the company empowers its customers to stay a step ahead in both their personal and professional financial lives.
ing.com • HQ: Amsterdam, Netherlands • Investment Banking • Financial Services • Banking • 1001-5000 employees • Est. 1918
HQ: Amsterdam, Netherlands • Investment Banking • Financial Services • Banking • 1001-5000 employees • Est. 1918
Open 314 daysVerified live · 1 day ago 11 months ago

Software Backend Engineer

$53k – $121k per year (Estimated) • Senior • 5+ years expMadrid • Remote (Spain) • Full-Time • Senior • English
Java
Kotlin
Scala
Java
Maven
Flyway
Liquibase
Scala
Akka
Kotlin
Mockito
Databases
Oracle
Apache Kafka
Cassandra
ElasticSearch
RabbitMQ
Mobile
Dependency Injection
DevOps
Azure
Azure DevOps
CI/CD
Docker
Git
Kubernetes
OpenShift
Ansible
Grafana
Kibana
Logstash
Prometheus
API Gateway
QA
Swagger
Selenium
Apply
Report
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.