Backend Developer Salary 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
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Networking
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Quantum

Boldin

boldin.com
Boldin (formerly known as NewRetirement) is a financial technology company providing a collaborative financial planning and retirement modeling SaaS platform. Designed to bridge the gap between simple retirement calculators and traditional wealth management firms, the software delivers comprehensive accumulation and decumulation scenario planning for individual investors. Its proprietary modeling engine enables users to run Monte Carlo simulations, aggregate net worth data, optimize tax and Roth conversion strategies, analyze Social Security timing, and forecast healthcare and real estate costs.
boldin.com • Personal Finance • Wealth Management • Financial Services
Personal Finance • Wealth Management • Financial Services
Verified live · 1 day ago 2 months ago

Full Stack Engineer

$67k – $191k per year (Estimated) • Middle • 4+ years exp • Remote • Full-Time • Middle
Ruby
TypeScript
JavaScript
Ruby
Ruby on Rails
Sidekiq
Databases
PostgreSQL
Frontend
React.js
Material UI
Redux
SWR
Yarn
DevOps
AWS
Marketing
ActiveCampaign
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Kalepa

kalepa.com
Kalepa delivers critical risk insights and decision-ready quotes for every submission in minutes. Move faster, act decisively, and consistently select the most profitable risks - across every line you write.
kalepa.com • Warsaw • New York • Salt Lake City • Artificial Intelligence • Financial Services • Insurance • Est. 2018
Warsaw • New York • Salt Lake City • Artificial Intelligence • Financial Services • Insurance • Est. 2018
$100k – $185k per year • Equity • Staff+ • 8+ years exp • Remote (Europe) • Staff
Python
Databases
PostgreSQL
AI/ML
LLM
DevOps
Amazon EC2
AWS
AWS Lambda
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$100k – $185k per year • Equity • Staff+ • 8+ years exp • Remote (Europe) • Staff
Python
Databases
PostgreSQL
DevOps
Amazon EC2
AWS Lambda
AWS
Apply
$80k – $165k per year • Equity • Senior • 5+ years exp • Remote (Europe) • Senior
Python
Databases
PostgreSQL
DevOps
Amazon EC2
AWS Lambda
AWS
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Mozilla Corporation

mozilla.org
Mozilla Corporation is a prominent global technology non-profit organization and open-source software developer headquartered in Mountain View, California, USA. Founded in 1998 as an offshoot of Netscape Communications, the organization operates on an open-source software development, digital rights advocacy, privacy technology, and commercial digital services model led by Executive Director / CEO Laura Chambers.
mozilla.org • HQ: Mountain View, United States • Gaming • PC Games • Artificial Intelligence • Machine Learning • Web Development • Software • Internet Services • 501-1000 employees • Est. 1998
HQ: Mountain View, United States • Gaming • PC Games • Artificial Intelligence • Machine Learning • Web Development • Software • Internet Services • 501-1000 employees • Est. 1998
Verified live · 1 hour ago 2 months ago

Senior Software Engineer, Firefox Desktop

$49k – $112k per year (Estimated) • Senior • 3+ years exp • Remote (Canada, Spain) • Senior
C++
Rust
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Verified live · 1 hour ago 3 months ago

Senior Software Engineer, Firefox Security

$51k – $116k per year (Estimated) • Senior • Remote (Germany, Spain) • Internship • Senior
C++
Rust
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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 - Platform [IC3]

Remote
Model Context Protocol
DevOps
AWS
Azure
CDKTF
GCP
Kubernetes
SLI/SLO/SLA
Terraform
gRPC
QA
Rest-Assured
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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
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Toloka AI

toloka.ai
Toloka is a data company founded in 2014 and headquartered in Amsterdam that supplies human-generated training, fine-tuning and evaluation data for artificial intelligence systems. It began as a large-scale crowdsourcing platform and has repositioned around expert work, combining domain specialists, machine learning tooling and quality control pipelines to produce reasoning traces, preference rankings and agentic task data. Operating within the Nebius group and backed by Bezos Expeditions since 2025, the company serves frontier model laboratories and enterprises building their own systems.
toloka.ai • HQ: Amsterdam, Netherlands • Machine Learning • Data & Analytics • Data Collection • LLM & Generative AI • Artificial Intelligence • 51-200 employees • Est. 2014
HQ: Amsterdam, Netherlands • Machine Learning • Data & Analytics • Data Collection • LLM & Generative AI • Artificial Intelligence • 51-200 employees • Est. 2014
Verified live · 3 hours ago 2 months ago

Freelance Senior Software Engineer | AI Evaluation

Senior • 8+ years exp • Remote (EU, United States, United Kingdom, Serbia) • Freelance • Senior
Python
JavaScript
TypeScript
Python
FastAPI
Databases
Apache Kafka
PostgreSQL
Redis
AI/ML
AI Agents
Claude
Anthropic
Model Context Protocol
OpenAI Codex
Frontend
React.js
DevOps
Docker
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Innovecs

innovecs.com
Innovecs is a Ukrainian software company founded in 2011 and headquartered in Kyiv. It builds digital products for gaming, logistics and healthcare clients. The company operates delivery centres across several countries.
innovecs.com • HQ: Kyiv, Ukraine • Information Technology • Data & Analytics • Artificial Intelligence • Est. 2011
HQ: Kyiv, Ukraine • Information Technology • Data & Analytics • Artificial Intelligence • Est. 2011
Verified live · 9 hours ago 2 months ago

Senior Back-End Engineer (C#, project assignment)

Senior • Remote (Poland, Romania, Spain, Ukraine) • Senior
C#
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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
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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 · 1 day 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 · 1 hour 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

$139k – $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
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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 hour 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
Apply
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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
Verified live · 6 hours ago 3 months ago

Senior Software Engineer

$67k – $139k 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
Report

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 · 7 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
Apply
Report

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 · 9 hours 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
Report

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
$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
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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 · 1 hour 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 · 3 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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PlanetScale

planetscale.com
PlanetScale offers the world’s fastest and most scalable cloud hosting for Vitess and Postgres.
planetscale.com • San Francisco • AI Infrastructure • Information Technology • Web Hosting
San Francisco • AI Infrastructure • Information Technology • Web Hosting
Top 25% payVerified live · 1 day ago 3 months ago

Software Engineer - Neki Orchestration

$120k – $290k per year • Senior • 5+ years expSan Francisco • Remote (EMEA, United States) • Senior
Go
Python
Ruby
Databases
MySQL
PostgreSQL
DevOps
AWS
Azure
GCP
Kubernetes
Apply
Open 104 daysVerified live · 1 day ago 4 months ago

Software Engineer - PlanetScale Postgres

Senior • 5+ years exp • Remote (EMEA, United States) • Senior
Python
Ruby
Rust
Databases
PostgreSQL
DevOps
AWS
Azure
GCP
Kubernetes
Apply
Open 227 daysTop 25% pay 8 months ago

Software Engineer - Insights

$120k – $290k per year • Senior • 5+ years expSan Francisco • Remote (EMEA, United States) • Senior
Go
Python
Ruby
Rust
Databases
MySQL
PostgreSQL
Apache Kafka
ClickHouse
AI/ML
Anomaly Detection
Time Series Forecasting
DevOps
Prometheus
Apply
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Backend Developer Salary 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.