Backend Developer Jobs in Madrid

Backend Developer jobs in Madrid hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $112,301/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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Quantum

AUTO1 Group

auto1-group.com
AUTO1 Group is a publicly traded European digital automotive platform and technology company headquartered in Berlin, Germany. Founded in 2012, it is Europe’s largest online marketplace for buying, selling, and financing used cars.
auto1-group.com • HQ: Berlin, Germany • Manufacturing • Automotive Manufacturing • Commerce • Marketplaces • Est. 2012
HQ: Berlin, Germany • Manufacturing • Automotive Manufacturing • Commerce • Marketplaces • Est. 2012
Verified live · 2 hours ago 2 months ago

Team Lead Java Engineer, Retail (f/m/x)

$49k – $130k per year (Estimated) • Lead • 5+ years expMadrid • Remote (Spain) • Full-Time • Staff • English
Java
Java
Spring Boot
Spring Cloud
DevOps
Amazon EC2
AWS
AWS Lambda
Amazon CloudWatch
Amazon ECS
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Teralco

convotis.com
TERALCO GROUP es un referente de desarrollo tecnológico que impulsa la transformación digital de tu empresa aportando soluciones a medida y creando ventajas competitivas, basadas en la innovación y la excelencia técnica de un gran equipo. Somos una empresa alicantina fundada en 2002 por un equipo de ingenieros y profesionales independientes con más de 17 años de experiencia en desarrollo tecnológico de calidad. Llevamos años desarrollando soluciones tecnológicas participando tanto en nuevos desarrollos como en migraciones de arquitecturas legadas.
convotis.com • Web Development • Information Technology • Software
Web Development • Information Technology • Software
$29k – $100k per year (Estimated) • Middle • 3+ years exp • Remote (Spain) • Full-Time • Middle • Spanish: C1
Node JS
TypeScript
JavaScript
Node JS
Fastify
Nest.JS
Databases
PostgreSQL
Frontend
Angular
DevOps
CI/CD
Docker
Git
Nginx
Traefik
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Toptal

toptal.com
Toptal is a global network connecting companies with top freelancers in business, design, and technology, allowing for scalable, on-demand team augmentation. With an extensive pool of talent and a fully remote model, Toptal stands out by blending top-tier professional expertise with a supportive virtual environment that prioritizes innovation and collaboration.
toptal.com • HQ: San Francisco, United States • Information Technology • Professional Services • Human Resources
HQ: San Francisco, United States • Information Technology • Professional Services • Human Resources
Verified live · 1 day ago 2 months ago

Technical Screening Team Lead

$51k – $134k per year (Estimated) • Lead • 5+ years exp • Remote (Spain) • Bachelor's Degree • Full-Time • Staff • English
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Enode

enode.com
Enode's APIs enable you to instantly connect users' energy devices - including EVs, solar inverters, home batteries and thermostats - to your app. You can surface data, and then take action with it. Our out-of-the-box algorithms allow you to contr...
enode.com • Oslo • Hardware • Internet of Things • Energy & Utilities
Oslo • Hardware • Internet of Things • Energy & Utilities
Verified live · 10 hours ago 2 months ago

Senior Software Engineer (Home Energy)

$68k – $192k per year (Estimated) • Senior • Remote (Europe) • Full-Time • Senior
TypeScript
Databases
PostgreSQL
TimescaleDB
DevOps
AWS
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Verified live · 10 hours ago 2 months ago

Software Engineer (Connect Platform)

Remote (Europe) • Full-Time
JavaScript
TypeScript
Databases
PostgreSQL
Frontend
React.js
DevOps
CI/CD
Platform Engineering
AWS
CloudFormation
Docker
Apply
Verified live · 10 hours ago 2 months ago

Senior Software Engineer (Connect Platform)

$69k – $195k per year (Estimated) • Senior • Remote (Europe) • Full-Time • Senior
TypeScript
Databases
PostgreSQL
DevOps
CI/CD
Platform Engineering
AWS
CloudFormation
Docker
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Cint

cint.com
Cint is a global software company headquartered in Stockholm, Sweden, and was founded in 1998. The company operates a digital insights platform that automates the market research process by connecting sample providers with researchers to gather consumer data. Listed on the Nasdaq Stockholm, it maintains a presence in over 15 countries and serves thousands of customers across the market research, advertising, and consulting industries.
cint.com • HQ: Stockholm, Sweden • Analytics Platforms • Business Process Automation (BPA) • Software • Data Collection • Data & Analytics • Sales & Marketing • Market Research • Est. 1998
HQ: Stockholm, Sweden • Analytics Platforms • Business Process Automation (BPA) • Software • Data Collection • Data & Analytics • Sales & Marketing • Market Research • Est. 1998
Verified live · 11 hours ago 2 months ago

Staff Software Engineer

$73k – $152k per year (Estimated) • Staff+ • 10+ years expBarcelona • Remote (Spain) • Full-Time • Senior
Java
Kotlin
JavaScript
AI/ML
Claude
Claude Code
AI Agents
Frontend
React.js
DevOps
Grafana
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Verified live · 11 hours ago 2 months ago

Staff Software Engineer - DSM

$73k – $152k per year (Estimated) • Staff+ • 10+ years expSpain • Remote (Spain) • Full-Time • Senior
C++
Elixir
Go
Haskell
Java
Python
Ruby
Scala
SQL
Java
Spring Framework
Python
pySpark
Databases
Apache Kafka
Delta Lake
AI/ML
Spark
Pandas
DevOps
Docker
Rest API
AWS
GCP
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Open 110 daysVerified live · 11 hours ago 4 months ago

Senior Software Engineer

$54k – $124k per year (Estimated) • Senior • Barcelona • Remote (Spain) • Full-Time • Senior
Java
C#
JavaScript
C#
.NET
AI/ML
Claude
Claude Code
AI Agents
Frontend
React.js
DevOps
Grafana
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Seqera

seqera.io
Seqera is a leading global bioinformatics and life sciences software company headquartered in Barcelona, Spain. Founded in 2018 by Evan Floden (CEO) and Paolo Di Tommaso (CTO) - the creators of the open-source Nextflow workflow orchestrator - the company operates on a commercial B2B SaaS subscription, open-core software licensing, and enterprise cloud infrastructure model.
seqera.io • HQ: Barcelona, Spain • Data & Analytics • Biotechnology • Bioinformatics • Est. 2018
HQ: Barcelona, Spain • Data & Analytics • Biotechnology • Bioinformatics • Est. 2018
$73k – $152k per year (Estimated) • Staff+ • Remote (Spain) • Visa sponsorship • Bachelor's Degree • Staff
C++
Groovy
Java
Rust
Java
Micronaut
DevOps
AWS
Azure
GCP
Docker
Kubernetes
HPC
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Blip

blip.ai
Blip is a conversational artificial intelligence and customer communications enterprise. Headquartered in Belo Horizonte, Brazil - with global offices in São Paulo and San Francisco - the company provides an enterprise platform for building, automating, and scaling virtual assistants and intelligent chatbots across messaging channels, including WhatsApp, Instagram, Messenger, RCS, and Apple Messages for Business.
blip.ai • HQ: Belo Horizonte, Brazil • Artificial Intelligence • Multimodal AI
HQ: Belo Horizonte, Brazil • Artificial Intelligence • Multimodal AI
Open 206 daysVerified live · 1 hour ago 7 months ago

Full Stack Engineer

$25k – $86k per year (Estimated) • Junior • 1+ year expIn office (Madrid, Spain) • Junior
C#
JavaScript
Node JS
C#
.NET
Frontend
React.js
DevOps
Azure
Azure DevOps
CI/CD
Gitflow
Rest API
Git
Apply
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Nationale-Nederlanden Poland is a leading financial institution that provides a comprehensive range of insurance, pension, and investment products. As part of a major international group, the company helps individuals and businesses secure their financial futures through tailored life, health, and property insurance solutions. Driven by a focus on digital innovation and customer care, it supports clients in managing risks and planning long-term financial stability.
nn.pl • Warsaw • The Hague • Budapest • Amsterdam • Rotterdam • Financial Services • Wealth Management • Insurance • 1001-5000 employees
Warsaw • The Hague • Budapest • Amsterdam • Rotterdam • Financial Services • Wealth Management • Insurance • 1001-5000 employees
Verified live · 1 day ago 2 months ago

TIA Insurance Developer

$84k – $235k per year (Estimated)In office (Madrid, Spain) • Full-Time
SQL
Databases
Oracle
DevOps
Azure
Azure DevOps
CI/CD
Git
Cybersecurity
GDPR
Analytics
ETL/ELT
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Open 94 daysVerified live · 1 day ago 4 months ago

FullStack Engineer

$84k – $235k per year (Estimated)Remote/Hybrid (Madrid, Spain) • Full-Time
JavaScript
Node JS
TypeScript
Frontend
React.js
DevOps
Azure
Azure DevOps
CI/CD
Git
Apply
Open 94 daysVerified live · 1 day ago 4 months ago

Backend Engineer

$98k – $224k per year (Estimated) • Senior • 8+ years expRemote/Hybrid (Madrid, Spain) • Full-Time • Staff
JavaScript
Node JS
TypeScript
Frontend
GraphQL
React.js
DevOps
CI/CD
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PQShield

pqshield.com
PQShield is a cybersecurity enterprise specializing in quantum-safe cryptography, headquartered in Oxford, United Kingdom. Spun out of the University of Oxford in 2018 by Dr. Ali El Kaafarani, the venture has raised over $60 million from top-tier investors including Addition, Oxford Science Enterprises, and Chevron Technology Ventures.
pqshield.com • HQ: Oxford, United Kingdom • Science & Engineering • Quantum Science & Computing • Cybersecurity • Est. 2018
HQ: Oxford, United Kingdom • Science & Engineering • Quantum Science & Computing • Cybersecurity • Est. 2018
Open 102 daysVerified live · 10 hours ago 4 months ago

Senior Software Engineer

$55k – $106k per year (Estimated) • Senior • 2+ years exp • Remote (France, United Kingdom, Belgium, Netherlands, Spain) • Master's Degree • Senior
Rust
Cybersecurity
Threat Modeling
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CURSOR Software AG

cursor.de
CURSOR Software AG is a German software company headquartered in Gießen, Germany, specializing in enterprise Customer Relationship Management (CRM) and Business Process Management (BPM) solutions. Founded over 30 years ago, the firm provides tailored, GDPR-compliant CRM platforms - including CURSOR-CRM, EVI, and TINA - specifically engineered for energy providers, financial institutions, and mid-to-large-scale industrial enterprises. Its modular software suite centralizes sales, marketing, and customer service operations while automating complex business workflows and energy sector compliance processes.
cursor.de • HQ: Giessen, Germany • Business Process Automation (BPA) • Software • 501-1000 employees
HQ: Giessen, Germany • Business Process Automation (BPA) • Software • 501-1000 employees
Verified live · 1 hour ago 2 months ago

RVP, Forward Deployed Engineering - EMEA

$89k – $169k per year (Estimated) • Senior • 8+ years expLondon • Remote (EMEA) • Full-Time • Staff
JavaScript
Python
TypeScript
AI/ML
Cursor
Apply
Verified live · 1 hour ago 3 months ago

Forward Deployed Engineer - EMEA

$82k – $184k per year (Estimated)London • Remote (EMEA) • Full-Time
JavaScript
Python
TypeScript
AI/ML
Cursor
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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
$44k – $123k per year (Estimated)In office (Madrid, Spain) • Bachelor's Degree • Full-Time
C#
SQL
C#
ASP.NET Core
Databases
Cassandra
MS SQL
RabbitMQ
DevOps
AWS
Azure
Git
Azure DevOps
CI/CD
Docker
Kubernetes
Terraform
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Confluent

confluent.io
Confluent is a data streaming technology company headquartered in Mountain View, California, and founded in 2014. The company provides a cloud-native platform based on Apache Kafka that enables organizations to process, store, and analyze real-time data streams across various environments. Publicly traded on the NASDAQ, the firm serves thousands of global customers across industries such as financial services, retail, and manufacturing through its managed cloud services and self-managed software.
confluent.io • HQ: Mountain View, United States • Big Data • Middleware Software • Software • Information Technology • Data Architecture • Cloud Computing • Data Engineering • Data & Analytics • Est. 2014
HQ: Mountain View, United States • Big Data • Middleware Software • Software • Information Technology • Data Architecture • Cloud Computing • Data Engineering • Data & Analytics • Est. 2014
$197k – $271k per year • Senior • 5+ years expNew York • Remote (United States, France, Canada, Ireland, Spain) • Full-Time • Senior
C++
Go
JavaScript
Python
Databases
Apache Kafka
DevOps
AWS
Azure
GCP
SLI/SLO/SLA
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Wayflyer

wayflyer.com
Providing eCommerce businesses with fairer, faster, and more flexible funding. Our mission at Wayflyer is to support the ambition of the eCommerce businesses we work with. We do this by solving the toughest problems in eCommerce, giving founders ...
wayflyer.com • New York • Dublin • Charlotte • London • Berlin • Commerce • Est. 2019
New York • Dublin • Charlotte • London • Berlin • Commerce • Est. 2019
Verified live · 4 hours ago 2 months ago

Full Stack Software Engineer

$66k – $187k per year (Estimated) • Senior • 5+ years exp • Remote (Europe) • Bachelor's Degree • Full-Time • Senior
Python
SQL
TypeScript
JavaScript
Python
Django
FastAPI
Flask
Databases
PostgreSQL
Frontend
React.js
Storybook
DevOps
AWS
CI/CD
Git
GitHub Actions
GitHub
QA
Playwright
Pytest
Vitest
Apply
Open 186 daysVerified live · 4 hours ago 7 months ago

Backend Software Engineer

$66k – $188k per year (Estimated) • Senior • 5+ years exp • Remote (Europe) • Bachelor's Degree • Full-Time • Senior
Python
SQL
Python
Django
FastAPI
Flask
Databases
PostgreSQL
DevOps
AWS
Git
QA
Pytest
Apply
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Brave

brave.com
Brave Software is an internet browser that is focused in on being privacy-oriented and is combined with its blockchain-based digital advertising platform. The company is based out of San Francisco, California.
brave.com • London • Search Engines • Artificial Intelligence • 501-1000 employees
London • Search Engines • Artificial Intelligence • 501-1000 employees
Top 25% payVerified live · 9 hours ago 2 months ago

Sr. Solutions Engineer - API and Developer Platform

$150k – $200k per year • Senior • Remote (Europe, United States) • Full-Time • Senior
JavaScript
Python
Databases
Supabase
AI/ML
LangChain
LlamaIndex
LLM
RAG
Semantic Search
AI Agents
Semantic Search
DevOps
Vercel
GitHub
QA
Postman
Apply
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Fliff

getfliff.com
Fliff is a social sports gaming company headquartered in Austin, Texas, and founded in 2019. The company runs a mobile app where users predict sports outcomes with virtual coins that can be redeemed for cash prizes, operating under sweepstakes rules rather than a state gambling licence. It reaches users in most United States states, positioning the product as a free to play alternative to regulated sportsbooks.
getfliff.com • HQ: Austin, United States • Mobile App Development • Software • Fan Engagement • Gaming • Sports • iGaming & Gambling • Sports Betting • Est. 2019
HQ: Austin, United States • Mobile App Development • Software • Fan Engagement • Gaming • Sports • iGaming & Gambling • Sports Betting • Est. 2019
Verified live · 5 hours ago 2 months ago

Senior Python Engineer, DataFeed Team

$54k – $124k per year (Estimated) • Senior • 5+ years expBarcelona • Remote (Spain) • Contractor • Senior
Python
SQL
Go
Python
Asyncio
Django
Databases
Apache Kafka
PostgreSQL
Redis
DevOps
Docker
Kubernetes
Apply
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Netguru

netguru.com
Netguru is a digital consultancy and software development company headquartered in Poznan, Poland, and founded in 2008. The firm provides a wide range of services including custom software engineering, product design, artificial intelligence development, and cloud infrastructure management. Operating globally with a team of over 600 specialists, the company serves clients across various sectors such as finance, healthcare, and retail, focusing on digital transformation and AI-native commerce solutions.
netguru.com • HQ: Poznań, Poland • Machine Learning • Artificial Intelligence • Web Development • IT Outsourcing • Information Technology • Design & Creative • Mobile App Development • Software • Est. 2008
HQ: Poznań, Poland • Machine Learning • Artificial Intelligence • Web Development • IT Outsourcing • Information Technology • Design & Creative • Mobile App Development • Software • Est. 2008
$61k – $94k per year (Estimated) • Senior • Poznań • Remote (EU) • Freelance • Senior • Polish: C1
C#
SQL
TypeScript
C#
ASP.NET Core
Databases
PostgreSQL
AI/ML
Claude
Gemini
LangChain
Semantic Kernel
OpenAI
Mobile
Clean Architecture
DevOps
CI/CD
Docker
GCP
Git
Apply
$68k per year • Senior • Poznań • Remote (EU) • Freelance • Senior
Java
Kotlin
Scala
Swift
Swift
Hero
Databases
MySQL
PostgreSQL
DevOps
AWS
Azure
CI/CD
GCP
Analytics
ETL/ELT
Apply
Verified live · 1 day ago 9 months ago

Backend Kotlin Engineer - Freelance

$38k per year • Remote (EU) • Freelance
Kotlin
Databases
Apache Kafka
DevOps
CI/CD
Kubernetes
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Octopus Energy

octopus.energy
Octopus Energy is a UK-based energy supplier that offers innovative smart tariffs and renewable energy solutions. Known for its award-winning customer service and commitment to a greener future, Octopus Energy provides great value for the long term with prices historically cheaper than any other large supplier. As one of Europe's leading investors in renewable energy generation, the company is highly trusted, holding a five-star customer service rating.
octopus.energy • Berlin • Milan • Verona • Cagliari • Munich • Energy Management • Solar Energy • Energy & Utilities
Berlin • Milan • Verona • Cagliari • Munich • Energy Management • Solar Energy • Energy & Utilities
2 months ago

Backend Engineer

$46k – $130k per year (Estimated)Spain • Remote (Spain) • Full-Time
Python
JavaScript
Python
Celery
Django
Databases
PostgreSQL
Frontend
GraphQL
Next.js
React.js
DevOps
Rest API
AWS
Datadog
Terraform
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Webdoctor

webdoctor.ie
Webdoctor is a healthcare provider in the telemedicine and digital health services field in Ireland. It provides online doctor consultations, electronic prescriptions, and remote medical advice and referrals.
webdoctor.ie • Warsaw • Dublin • Health Care • Hospitals & Clinics • Digital Health
Warsaw • Dublin • Health Care • Hospitals & Clinics • Digital Health
$62k – $95k per year (Estimated) • Senior • 5+ years expWarsaw • Remote (EU, EEA) • Full-Time • Senior
JavaScript
Ruby
SQL
Ruby
Hotwire
Ruby on Rails
Stimulus
Frontend
React.js
DevOps
Ansible
Azure
Azure DevOps
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Constructor

constructor.io
Founded in 2015, Constructor is an AI-powered search and product discovery platform built specifically for enterprise e-commerce businesses. The company utilizes real-time clickstream data and machine learning to deliver personalized product recommendations, site search results, and category browse experiences. By optimizing search outcomes for key retail metrics like revenue and conversion rather than simple keyword matching, it helps major online retailers increase sales and improve customer retention.
constructor.io • HQ: San Francisco, United States • Internet Services • Artificial Intelligence • Commerce • Search Engines • Est. 2015
HQ: San Francisco, United States • Internet Services • Artificial Intelligence • Commerce • Search Engines • Est. 2015
Verified live · 1 day ago 2 months ago

Full Stack Engineer: Searchandizing

$90k – $120k per year • Equity • Remote (Germany, United Kingdom, Croatia, Poland, Serbia) • Full-Time
Python
TypeScript
DevOps
CI/CD
Apply
Verified live · 1 day ago 2 months ago

BackEnd Engineer: Experiments

$80k – $110k per year • Remote (Spain) • Full-Time
Python
SQL
Python
FastAPI
pySpark
Databases
Databricks
PostgreSQL
AI/ML
Spark
DevOps
AWS
Amazon CloudWatch
Analytics
Plotly
A/B Testing
QA
Sentry
Apply
Verified live · 1 day ago 3 months ago

Senior Backend Engineer: Recommendations

$80k – $120k per year • Senior • Remote (EMEA) • Full-Time • Senior • English: B2
Python
Rust
DevOps
AWS
Azure
CI/CD
CloudFormation
GCP
GitHub Actions
Grafana
Jenkins
PagerDuty
Prometheus
Terraform
Amazon CloudWatch
GitHub
Analytics
A/B Testing
Apply
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Sourcegraph

sourcegraph.com
Founded in 2013, Sourcegraph is an AI-powered code intelligence platform designed to help software engineers search, understand, and automate edits across massive codebases. The platform offers universal code search and an AI coding assistant named Cody, enabling developers to navigate complex repositories, speed up context gathering, and fix issues faster. By integrating directly into existing developer workflows and hosting environments, the company helps large engineering teams scale productivity and maintain code quality.
sourcegraph.com • Media & Entertainment • Books • Artificial Intelligence • Code Intelligence • Est. 2013
Media & Entertainment • Books • Artificial Intelligence • Code Intelligence • Est. 2013
Verified live · 1 day ago 2 months ago

Software Engineer/Tech Lead - Code Plane [IC5]

$114k – $256k per year (Estimated) • Lead • 8+ years exp • Remote • Internship • Staff
JavaScript
Go
TypeScript
Databases
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
Cursor
Model Context Protocol
Frontend
Svelte
GraphQL
SvelteKit
DevOps
Docker
Kubernetes
QA
Rest-Assured
Apply
Verified live · 1 day ago 2 months ago

Software Engineer - Platform [IC3]

Remote
Model Context Protocol
DevOps
AWS
Azure
CDKTF
GCP
Kubernetes
SLI/SLO/SLA
Terraform
gRPC
QA
Rest-Assured
Apply
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Backend Developer Jobs in Madrid
Frequently asked questions
How many Backend Developer jobs in Madrid are available on Alion?
There are currently 89 active listings from 48 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Madrid pay?
The average salary is around $112,301 per year based on the current listings.
Are remote options available for Backend Developer jobs in Madrid?
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 Madrid?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.