Backend Developer Jobs in Kraków

Backend Developer jobs in Kraków hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $79,317/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Kraków
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Quantum

FUN CRAFTERS SP. Z O O.

fun-crafters.com
FunCrafters is transforming the Realm of Mobile Gaming: Join Our Elite Team Crafting a Next-Generation RPG. Boasting AAA Graphics and Based on a Leading Global IP, This is Your Chance to Work on a Groundbreaking Project!
fun-crafters.com • Kraków • Gaming • Game Development • Mobile Games
Kraków • Gaming • Game Development • Mobile Games
$58k – $91k per year (Estimated) • Senior • 7+ years expRemote/Hybrid (Kraków, Poland) • Master's Degree • Full-Time • Senior
C#
C#
.NET
Mobile
Clean Architecture
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AdsHero

adshero.io
Grow sales with retail media made for eCommerce. Sponsored listings, display, and off site campaigns — all in one powerful platform.
adshero.io • Warsaw • Sales & Marketing • Advertising • E-commerce Marketing
Warsaw • Sales & Marketing • Advertising • E-commerce Marketing
$54k – $98k per year (Estimated)Warsaw • Remote (Poland) • Full-Time • Polish: C1
Java
Java
Spring Boot
Databases
Apache Kafka
ElasticSearch
Google BigQuery
PostgreSQL
AI/ML
Claude
Claude Code
DevOps
Kubernetes
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BTC Software Systems Sp.z o.o. to firma specjalizująca się w tworzeniu i wdrażaniu nowoczesnych rozwiązań IT dedykowanych sektorowi finansowemu i przemysłowemu. Oferuje zaawansowane systemy informatyczne oraz usługi doradcze wspierające rozwój biznesu.
btc-ag.pl • Poznań • Information Technology • FinTech • Software
Poznań • Information Technology • FinTech • Software
2 months ago

Software Developer

$49k – $89k per year (Estimated)Poznań • Remote (Poland) • Full-Time • Polish: C1
C#
SQL
C#
.NET
Apply
2 months ago

.Net Developer

$49k – $89k per year (Estimated)Poznań • Remote (Poland) • Full-Time • Polish: C1
C#
JavaScript
C#
.NET
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ActiveNow

activenow.io
Poświęcaj czas na rozwój szkoły, nie na administrację. Wypróbuj za darmo! Innowacyjne oprogramowanie do zarządzania szkołą.
activenow.io • Warsaw • Learning Management Systems • EdTech Platforms • Software
Warsaw • Learning Management Systems • EdTech Platforms • Software
$34k per year • Junior • Warsaw • Remote (Poland) • Full-Time • Junior • Polish: C1
JavaScript
Ruby
SQL
Ruby
Ruby on Rails
Sidekiq
Databases
PostgreSQL
Redis
Frontend
Bootstrap
JQuery
DevOps
Heroku
GitHub
QA
Jest
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TeaCode S.C.

teacode.io
TeaCode builds custom web and mobile apps. 50+ professionals, 4.9/5 on Clutch, clients in the US, EU, and the Middle East. Get a free consultation.
teacode.io • Warsaw • Mobile App Development • Web Development • Software
Warsaw • Mobile App Development • Web Development • Software
$70k – $96k per year • Senior • 5+ years expWarsaw • Remote (Poland) • Bachelor's Degree • Freelance • Senior • Polish: C1
JavaScript
Node JS
TypeScript
Node JS
Nest.JS
Databases
PostgreSQL
Frontend
Next.js
React.js
Mobile
React Native
DevOps
AWS
Docker
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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
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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
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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
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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
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Loopme

loopme.com
LoopMe is bringing brands into apps, powered by AI agents.
loopme.com • Kraków • London • San Francisco • New York • Beijing • Artificial Intelligence • Sales & Marketing • Advertising • 201-500 employees
Kraków • London • San Francisco • New York • Beijing • Artificial Intelligence • Sales & Marketing • Advertising • 201-500 employees
2 months ago

Java Backend Engineer

$58k – $74k per year • Junior • 2+ years expIn office (Kraków, Poland) • Full-Time • Junior
Java
SQL
Java
Spring Framework
Databases
Apache Kafka
HBase
PostgreSQL
AI/ML
LLM
Spark
DevOps
Kubernetes
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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
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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 · 12 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
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Open 153 daysVerified live · 12 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
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Glia

glia.com
Glia is a customer interaction technology company headquartered in New York City and founded in 2012 under the name SaleMove. The company provides a unified platform combining voice, digital messaging, video banking, cobrowsing, and AI powered virtual assistants for regulated service industries. It serves banks, credit unions, and insurers primarily in North America and Europe, positioning its product as a single interaction layer for customer service teams.
glia.com • HQ: New York, United States • Information Technology • Artificial Intelligence • Customer Relationship Management (CRM) • Software • Conversational AI • Financial Services • FinTech • Est. 2012
HQ: New York, United States • Information Technology • Artificial Intelligence • Customer Relationship Management (CRM) • Software • Conversational AI • Financial Services • FinTech • Est. 2012
Verified live · 1 day ago 2 months ago

Senior Software Engineer (Team Lead)

$68k – $114k per year (Estimated) • Lead • Remote (Poland) • Full-Time • Staff
Elixir
JavaScript
Ruby
Databases
Apache Kafka
DynamoDB
PostgreSQL
AI/ML
Claude
Hallucination
LLM Guardrails
Claude Code
Copilot
Frontend
React.js
DevOps
ArgoCD
AWS
CI/CD
Datadog
Docker
Jenkins
Kubernetes
Terraform
Amazon S3
GitHub
Apply
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Cloudinary

cloudinary.com
Cloudinary is a cloud-based image and video management platform that provides a variety of features, including image optimization, storage, and delivery. The company's platform helps organizations to improve the performance and scalability of their websites and applications.
cloudinary.com • London • Kraków • San Jose • Commerce • CDN • Artificial Intelligence • Est. 2011
London • Kraków • San Jose • Commerce • CDN • Artificial Intelligence • Est. 2011
Verified live · 1 day ago 2 months ago

Staff Backend Engineer- Agent Experience

$80k – $135k per year (Estimated) • Staff+ • 10+ years expRemote/Hybrid (Kraków, Poland) • Full-Time • Staff
Go
Node JS
Ruby
TypeScript
JavaScript
AI/ML
Function Calling
LLM
Model Context Protocol
AI Agents
DevOps
AWS
Apply
Verified live · 1 day ago 3 months ago

Senior Edge Compute & Backend Engineer

$67k – $106k per year (Estimated) • Senior • 8+ years expRemote/Hybrid (Kraków, Poland) • Full-Time • Senior
Go
JavaScript
Ruby
Rust
Ruby
Ruby on Rails
DevOps
Akamai
Cloudflare
Fastly
AWS
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
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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
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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 · 6 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
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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 day ago 3 months ago

Staff Backend Engineer, Revenue

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

$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 · 11 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
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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
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AirHelp

airhelp.com
AirHelp is a consumer services company that assists air passengers in claiming compensation for flight disruptions such as delays, cancellations and denied boarding under applicable regulations. It provides online claim management, legal processing and customer support services to help travelers pursue compensation from airlines.
airhelp.com • HQ: Warsaw, Poland • Travel & Tourism • Legal Services • Air Transport
HQ: Warsaw, Poland • Travel & Tourism • Legal Services • Air Transport
Verified live · 1 day ago 3 months ago

Senior Software Engineer - Flight Data Systems

$58k – $74k per year (gross) • Senior • 5+ years expIn office (Kraków, Poland) • Full-Time • Senior
Go
Databases
PostgreSQL
Snowflake
DevOps
AWS
CI/CD
Docker
Kubernetes
GitHub Actions
Grafana
SLI/SLO/SLA
Terraform
GitHub
QA
k6
Playwright
Sentry
Apply
Open 165 daysVerified live · 1 day ago 6 months ago

Full-stack Software Engineer - Claiming Experience

$45k – $64k per year (gross) • Middle • 4+ years expRemote/Hybrid (Kraków, Poland) • Full-Time • Middle
Node JS
Ruby
TypeScript
JavaScript
Ruby
Ruby on Rails
Databases
PostgreSQL
Frontend
React.js
Turborepo
Vite
Zod
DevOps
AWS
CI/CD
Docker
GitHub Actions
Grafana
Kubernetes
Terraform
GitHub
QA
k6
Playwright
Sentry
Apply
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Backstory

backstory.ai
Backstory is AI for sales teams that goes beyond dashboards. Get direct answers to your hardest pipeline questions - which deals are real, which are at risk, and what to do next.
backstory.ai • Toronto • Corporate Events • Artificial Intelligence • Data Visualization
Toronto • Corporate Events • Artificial Intelligence • Data Visualization
$64k – $99k per year (Estimated) • Senior • 5+ years exp • Remote (Poland) • Contractor • Senior
Python
Scala
Databases
Databricks
AI/ML
Spark
OpenAI
Apply
$43k – $88k per year (Estimated) • Middle • 3+ years exp • Remote (Poland) • Contractor • Middle
Python
Scala
Databases
Databricks
AI/ML
Spark
OpenAI
DevOps
Rest API
Apply
$64k – $98k per year (Estimated) • Senior • 5+ years exp • Remote (Poland) • Contractor • Senior
Python
Scala
Databases
Apache Kafka
ElasticSearch
Databricks
AI/ML
Hadoop
Spark
NLP
OpenAI
DevOps
Rest API
Analytics
ETL/ELT
Apply
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Backend Developer Jobs in Kraków
Frequently asked questions
How many Backend Developer jobs in Kraków are available on Alion?
There are currently 261 active listings from 74 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Kraków pay?
The average salary is around $79,317 per year based on the current listings.
Are remote options available for Backend Developer jobs in Kraków?
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 Kraków?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.