Backend Developer Jobs in Porto

Backend Developer jobs in Porto hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $68,539/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

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Quantum

Sofico

sofico.global
Sofico is a Belgian software company founded in 1988 and headquartered in Ghent. Its Miles platform manages vehicle leasing, fleet and mobility contracts for finance and leasing companies. The software is used by major automotive captives and leasing groups worldwide.
sofico.global • HQ: Ghent, Belgium • 501-1000 employees • Est. 1988
HQ: Ghent, Belgium • 501-1000 employees • Est. 1988
Open 191 dayVerified live · 2 hours ago 7 months ago

Software Engineer (m/f/d)

$29k – $100k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (Porto, Portugal) • Internship • Middle • English
Java
Databases
MS SQL
PostgreSQL
Apply
Open 677 daysVerified live · 2 hours ago 2 years ago

Software Engineer - Microservices (m/f/d)

$30k – $102k per year (Estimated) • Middle • 3+ years expRemote/Hybrid (Porto, Portugal) • Part-Time • Middle • English
Java
SQL
TypeScript
JavaScript
Java
Maven
Databases
PostgreSQL
Apache Kafka
Frontend
Angular
DevOps
CI/CD
Git
GitHub Actions
Jenkins
GitHub
Docker
Kubernetes
QA
Postman
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 · 7 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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Feedzai

feedzai.com
Feedzai is a financial crime prevention company founded in 2011 by engineers from Portugal and now headquartered in San Mateo. Its platform applies machine learning to payment, account opening and transaction data to stop fraud and money laundering in real time at very high volumes. It works with global banks, acquirers and payment networks and maintains large engineering operations in Coimbra and Lisbon.
feedzai.com • HQ: San Mateo, United States • Law Enforcement • Fraud Detection • Artificial Intelligence • Est. 2011
HQ: San Mateo, United States • Law Enforcement • Fraud Detection • Artificial Intelligence • Est. 2011
Open 108 daysVerified live · 5 min ago 4 months ago

Software Engineer - Digital Trust

$27k – $94k per year (Estimated) • Junior • 2+ years exp • Remote (Portugal) • Bachelor's Degree • Contractor • Junior • English: B2
Java
Python
Python
Django
Databases
Apache Kafka
DevOps
Docker
Kubernetes
ZooKeeper
Apply
Open 95 daysVerified live · 5 min ago 4 months ago

Software Engineer - Digital Trust

$27k – $94k per year (Estimated) • Junior • 2+ years expCoimbra • Remote (Portugal) • Bachelor's Degree • Contractor • Junior • English: B2
Java
Python
Python
Django
Databases
Apache Kafka
DevOps
Docker
Kubernetes
ZooKeeper
Apply
Open 95 daysVerified live · 5 min ago 4 months ago

Software Engineer - Digital Trust

$27k – $94k per year (Estimated) • Junior • 2+ years expLisbon • Remote (Portugal) • Bachelor's Degree • Contractor • Junior • English: B2
Java
Python
Python
Django
Databases
Apache Kafka
DevOps
Docker
Kubernetes
ZooKeeper
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
Apply
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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
Apply
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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 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
Verified live · 1 day ago 3 months ago

Backend Engineer: Ranking

$80k – $120k per year • Remote (EMEA) • Full-Time • English: B2
Python
Rust
AI/ML
Feature Store
DevOps
CloudFormation
Terraform
AWS
Azure
CI/CD
GCP
Apply
Report

Remofirst

remofirst.com
Use RemoFirst as your international HR solution; onboard full-time employees from anywhere in the world and streamline payroll, taxes and compliances policies.
remofirst.com • Phoenix • Almaty • Warsaw • Barcelona • Tucson • Professional Services • Human Resources • 201-500 employees • Est. 2021
Phoenix • Almaty • Warsaw • Barcelona • Tucson • Professional Services • Human Resources • 201-500 employees • Est. 2021
Verified live · 1 day ago 2 months ago

Staff Backend Engineer

Staff+ • 8+ years exp • Remote (Croatia, Poland, Romania, Serbia, South Africa) • Full-Time • Staff
Java
Python
Java
Spring Boot
Python
Django
FastAPI
Flask
Databases
Apache Kafka
MySQL
PostgreSQL
DevOps
CI/CD
AWS
Git
Apply
Report

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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Clarity

clarity.ai
Your browser does not support the video tag. Clarity, with proof The AI-native platform for extra-financial intelligence We support financial institutions, companies, governments, and consumers in making the right decisions - efficiently, confidently, and at scale.
clarity.ai • Madrid • Data & Analytics • Financial Services • Artificial Intelligence • Est. 2017
Madrid • Data & Analytics • Financial Services • Artificial Intelligence • Est. 2017
Open 130 days 5 months ago

Junior Software Engineer - Consumer Team

$65k – $170k per year (Estimated) • Equity • Junior • Remote (Europe) • Master's Degree • Internship • Junior
Java
Kotlin
TypeScript
JavaScript
Java
Spring Boot
Gradle
Databases
PostgreSQL
Frontend
React.js
DevOps
Docker
GitHub Actions
GitLab CI
gRPC
Kubernetes
GitHub
GitLab
Apply
Report

Defuse Labs

defuse.org
Defuse Labs develops NEAR Intents to enable seamless cross-chain interactions in an automated world — connecting AI, services, and financial applications.
defuse.org • Artificial Intelligence • Web3 & dApps • Blockchain & Crypto
Artificial Intelligence • Web3 & dApps • Blockchain & Crypto
Open 130 daysVerified live · 10 hours ago 5 months ago

Senior Software Engineer

$94k – $229k per year (Estimated) • Senior • Remote • Senior
Node JS
Rust
TypeScript
JavaScript
DevOps
GCP
Grafana
Kubernetes
Prometheus
Web3
NEAR
Smart Contracts
Apply
Open 153 daysVerified live · 10 hours ago 6 months ago

Senior Software Engineer (Solvers)

$92k – $223k per year (Estimated) • Senior • 7+ years exp • Remote • Senior
JavaScript
TypeScript
C++
Rust
Web3
NEAR
Smart Contracts
MEV
Apply
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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
Apply
Open 138 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
Report

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 · 4 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
Report

Blockchain Capital

blockchaincapital.com
Blockchain Capital is one of the earliest dedicated digital asset venture firms, founded in 2013 in San Francisco. It has invested across many funds in exchanges, infrastructure, decentralised finance and consumer applications. The firm was also a pioneer of tokenised fund structures, issuing a security token to represent limited partner interests.
blockchaincapital.com • HQ: San Francisco, United States • Blockchain & Crypto • Est. 2013
HQ: San Francisco, United States • Blockchain & Crypto • Est. 2013
Verified live · 20 min ago 2 months ago

Senior Software Engineer - AI Enablement HR

$87k – $165k per year (Estimated) • Senior • 5+ years exp • Remote (United Arab Emirates, United Kingdom, Argentina, Brazil, Canada) • Full-Time • Senior
Python
AI/ML
Anthropic SDK
Claude
Function Calling
LLM
AI Agents
Anthropic
Human-in-the-Loop
Model Context Protocol
Management
n8n
Apply
Open 158 daysVerified live · 20 min ago 6 months ago

Senior Software Engineer - AI Enablement Finance

$87k – $166k per year (Estimated) • Senior • Remote (United Arab Emirates, United Kingdom, Argentina, Brazil, Canada) • Full-Time • Senior
Python
AI/ML
Claude
LLM
AI Agents
Anthropic
Human-in-the-Loop
LLM Guardrails
Model Context Protocol
Web3
Staking
Management
n8n
Apply
Open 163 daysVerified live · 20 min ago 6 months ago

Senior Software Engineer - AI Enablement Compliance

$86k – $164k per year (Estimated) • Senior • 8+ years exp • Remote (United Arab Emirates, United Kingdom, Argentina, Brazil, Canada) • Full-Time • Senior
Python
AI/ML
Anthropic SDK
Claude
AI Agents
Anthropic
Human-in-the-Loop
Model Context Protocol
Cybersecurity
GDPR
Management
n8n
Apply
Report

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 day ago 3 months ago

Staff Backend Engineer, Revenue

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

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 · 12 hours 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
Report

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 · 9 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
Apply
Report

Sur

hiresur.com
Sur is a company that provides nearshore talent solutions, helping businesses hire top remote talent from Latin America while saving up to 70% on costs. They offer services to identify, interview, and hire candidates for roles in software engineering, executive assistance, email marketing, customer success, investment, sales development, creative production, and operations. Sur facilitates the hiring process by assisting with offer letters and onboarding, ensuring candidates are a strong professional and cultural fit, and aligning with US time zones.
hiresur.com • Buenos Aires • Bogotá • Quito • Managua • Montevideo • Software • Professional Services • Human Resources • Est. 2012
Buenos Aires • Bogotá • Quito • Managua • Montevideo • Software • Professional Services • Human Resources • Est. 2012
Verified live · 1 day ago 3 months ago

Senior Software Engineer

$72k – $96k per year • Senior • Remote (Germany, United Kingdom, Poland, Serbia, Ukraine) • Senior
JavaScript
Python
SQL
TypeScript
Databases
Amazon Redshift
PostgreSQL
Snowflake
AI/ML
Claude
Claude Code
Copilot
OpenAI Codex
Frontend
Lighthouse
DevOps
AWS
Azure
CI/CD
Cloudflare
GCP
Pulumi
Amazon Kinesis
GitHub
Marketing
Salesforce
Apply
Report

Wellhub

wellhub.com
Wellhub, formerly known as Gympass, connects employees to the best options for fitness, mindfulness, nutrition, and sleep in one subscription that costs less and offers more. While our name has changed to Wellhub, our core values and dedication to improving employee wellness remain the same.
wellhub.com • São Paulo • Cologne • Berlin • New York • Miami • Sports • Health Care • Lifestyle • Wellness Programs • Wellness • Fitness • Est. 2012
São Paulo • Cologne • Berlin • New York • Miami • Sports • Health Care • Lifestyle • Wellness Programs • Wellness • Fitness • Est. 2012
Open 769 daysVerified live · 1 hour ago 2 years ago

Wellhub Talent Pool | Software Engineer

$47k – $96k per year (Estimated) • Remote (Portugal) • Bachelor's Degree
Go
Java
Kotlin
Node JS
SQL
TypeScript
JavaScript
Databases
DynamoDB
MySQL
PostgreSQL
Frontend
GraphQL
React.js
DevOps
AWS
CI/CD
GCP
Apply
Report

Payabl

payabl.com
Discover payabl. – Your trusted payment processing services provider. We deliver secure online payment processing solutions for seamless business payments.
payabl.com • HQ: Limassol, Cyprus • Payments • FinTech • Financial Services
HQ: Limassol, Cyprus • Payments • FinTech • Financial Services
Verified live · 1 day ago 3 months ago

Senior Python Backend Developer

$46k – $116k per year (Estimated) • Senior • 5+ years expLisbon • Remote (Portugal) • Full-Time • Senior
Python
Python
Django
FastAPI
Databases
Apache Kafka
DevOps
AWS
AWS Lambda
CI/CD
Docker
GitLab
Apply
Verified live · 1 day ago 3 months ago

Senior Backend Python Engineer (Core Gateway)

$46k – $117k per year (Estimated) • Senior • 5+ years exp • Remote (Ukraine, Portugal) • Full-Time • Senior • English: C1
Go
Perl
Python
Python
Asyncio
FastAPI
Databases
Apache Kafka
DevOps
CI/CD
AWS
AWS Lambda
Docker
GitLab
Apply
Verified live · 1 day ago 3 months ago

Senior Backend Developer (Services)

$45k – $115k per year (Estimated) • Senior • 5+ years expLisbon • Remote (Cyprus, Portugal) • Senior
Python
JavaScript
Perl
PHP
Python
Asyncio
FastAPI
Databases
MySQL
PostgreSQL
Apache Kafka
Redis
DevOps
CI/CD
Docker
Kubernetes
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
Apply
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Backend Developer Jobs in Porto
Frequently asked questions
How many Backend Developer jobs in Porto are available on Alion?
There are currently 47 active listings from 18 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Porto pay?
The average salary is around $68,539 per year based on the current listings.
Are remote options available for Backend Developer jobs in Porto?
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 Porto?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.