Backend Developer Jobs in Valencia

Backend Developer jobs in Valencia hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $96,401/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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

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 · 12 hours 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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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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Flywire

flywire.com
Flywire is a global payments enablement and software company that specializes in simplifying complex, high-value international transactions. The firm integrates cross-border payment processing directly into the operational software of organizations within the education, healthcare, travel, and business-to-business sectors. By managing currency conversions and local compliance across more than 240 countries and territories, it enables institutions to collect payments seamlessly while reducing administrative friction.
flywire.com • HQ: Boston, United States • FinTech • Financial Services • Payments • Est. 2009
HQ: Boston, United States • FinTech • Financial Services • Payments • Est. 2009
Verified live · 3 hours ago 3 months ago

Software Engineer II, Payments Platform

$44k – $56k per year • Equity • Middle • 2+ years expIn office (Valencia, Spain) • Full-Time • Middle • English: C1
Ruby
JavaScript
Ruby
Sidekiq
Databases
ElasticSearch
MySQL
Redis
AI/ML
AI Agents
Claude
Claude Code
Cursor
Frontend
React.js
DevOps
AWS
Platform Engineering
CI/CD
GitLab
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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
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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
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$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
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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
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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 · 3 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 · 2 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
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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 · 2 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
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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

SQLI

sqli.com
SQLI is a European digital services group specializing in customer experience design, e-commerce solutions, and digital transformation. Founded in 1990, the company combines strategic consulting, data analytics, and cloud engineering to help international enterprises modernize their operations and customer touchpoints. With thousands of employees across multiple countries, SQLI delivers tailored technology and marketing platforms to drive digital growth for major brands.
sqli.com • HQ: Levallois-Perret, France • IT Consulting • Software • Information Technology • 1001-5000 employees
HQ: Levallois-Perret, France • IT Consulting • Software • Information Technology • 1001-5000 employees
Verified live · 2 hours ago 3 months ago

Java Developer

$54k – $123k per year (Estimated) • Senior • 5+ years expRemote/Hybrid (Valencia, Spain) • Bachelor's Degree • Full-Time • Senior • French (Optional)
Java
Java
Hibernate
Maven
Spring Boot
Spring Cloud
Spring Data JPA
Databases
MySQL
Frontend
GraphQL
DevOps
AWS
CI/CD
Datadog
Docker
Git
Helm
Kubernetes
GitLab
IAM
Cybersecurity
Keycloak
Okta
Snyk
SonarQube
Management
Confluence
Jira
QA
Insomnia
Swagger
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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
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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 · 1 hour 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
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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 · 1 hour 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 · 1 hour 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
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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
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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
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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 · 3 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 · 3 hours ago 7 months ago

Postgres Engineer

Equity • Remote • Full-Time
Rust
Databases
PostgreSQL
Supabase
Apply
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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 · 2 hours 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
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Backend Developer Jobs in Valencia
Frequently asked questions
How many Backend Developer jobs in Valencia are available on Alion?
There are currently 17 active listings from 9 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Valencia pay?
The average salary is around $96,401 per year based on the current listings.
Are remote options available for Backend Developer jobs in Valencia?
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 Valencia?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.