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

Diagnostyka

diag.pl
Diagnostyka is a medical laboratory company headquartered in Krakow, Poland, and founded in 1998. The company runs the largest network of diagnostic laboratories and collection points in Poland, covering routine blood work, microbiology, histopathology, and genetic testing. It processes tens of millions of tests a year for public health funds, private insurers, hospitals, and individual patients, and listed on the Warsaw Stock Exchange in 2025.
diag.pl • HQ: Kraków, Poland • Laboratory Equipment • Biotechnology • Hospitals & Clinics • Health Care • Diagnostics • Est. 1998
HQ: Kraków, Poland • Laboratory Equipment • Biotechnology • Hospitals & Clinics • Health Care • Diagnostics • Est. 1998
$53k – $96k per year (Estimated)In office (Kraków, Poland) • Full-Time • Polish: C1
Python
Python
Django
FastAPI
Flask
Databases
Google BigQuery
MySQL
PostgreSQL
AI/ML
Gradio
LangChain
LlamaIndex
NLP
Pandas
Prefect
Streamlit
Vertex AI
Frontend
GraphQL
DevOps
CI/CD
GCP
Git
Google Cloud Run
Kubernetes
Terraform
Apply
$52k – $94k per year (Estimated)In office (Kraków, Poland) • Full-Time • Polish: C1
C#
C#
.NET
DevOps
Azure
GCP
gRPC
Kubernetes
Apply
Report

Cloudfide

cloudfide.com
We invite you to the world of Cloudfide Empower Your Business with Cloudfide's Customized Data and Cloud Solutions, Driving Innovation, Efficiency, and Scalable Growth. We're the problem solvers, the innovators, and the go-to experts for the most challenging data dilemmas.
cloudfide.com • HQ: Warsaw, Poland • Information Technology • Data & Analytics • Cloud Computing
HQ: Warsaw, Poland • Information Technology • Data & Analytics • Cloud Computing
2 months ago

Java Engineer

$43k – $87k per year (Estimated) • Middle • 3+ years expWarsaw • Remote (Poland) • Middle
Java
Databases
PostgreSQL
DevOps
Azure
CI/CD
Docker
GitHub Actions
GitHub
Apply
$68k – $115k per year (Estimated) • Lead • Warsaw • Remote (Poland) • Internship • Staff
Node JS
TypeScript
JavaScript
Frontend
React.js
DevOps
Azure
Bicep
CI/CD
Docker
Git
Terraform
Apply
$42k – $86k per year (Estimated) • Middle • 3+ years expWarsaw • Remote (Poland) • Middle
JavaScript
Node JS
TypeScript
Node JS
Express
Databases
MySQL
PostgreSQL
Frontend
React.js
DevOps
CI/CD
Docker
Git
Azure
Azure DevOps
QA
Jest
Apply
Report

Inetum

inetum.com
Inetum is an international IT services and consulting firm specializing in digital transformation, software development, cloud infrastructure, and artificial intelligence solutions. Formerly known as Gfi Informatique, the company provides tailored technology integration and enterprise services to both public sector entities and private corporations across dozens of countries. Headquartered in France, it employs tens of thousands of digital experts dedicated to helping organizations modernize their operations and accelerate technological innovation.
inetum.com • HQ: Saint-Ouen-sur-Seine, France • HQ: Brussels, Belgium • Corporate Training • LLM & Generative AI • Cybersecurity • Cloud Computing • IT Consulting • Information Technology • 5000+ employees
HQ: Saint-Ouen-sur-Seine, France • HQ: Brussels, Belgium • Corporate Training • LLM & Generative AI • Cybersecurity • Cloud Computing • IT Consulting • Information Technology • 5000+ employees
$39k – $71k per year (Estimated)Warsaw • Remote (Poland) • Visa sponsorship • Bachelor's Degree
Java
Node JS
JavaScript
Java
Spring Boot
Node JS
Nest.JS
Databases
MySQL
PostgreSQL
Frontend
Material UI
Redux
React.js
Mobile
MVC
React Native
State Management
DevOps
CI/CD
Docker
Git
Kubernetes
Apply
Report

Faktura

faktura.pl
Faktura.pl – nowoczesny program do fakturowania z pełną integracją z KSeF. Wystawiaj faktury, przesyłaj je do KSeF i przekazuj dokumenty jednym kliknięciem.
faktura.pl • Warsaw • Financial Services • Software • Billing & Invoicing • Est. 2010
Warsaw • Financial Services • Software • Billing & Invoicing • Est. 2010
$48k – $71k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
Java
SQL
Java
Gradle
Hibernate
Maven
Spring Boot
Spring Framework
Spring Security
Databases
ActiveMQ
Apache Kafka
PostgreSQL
DevOps
Amazon EC2
Amazon EKS
AWS
CI/CD
Git
Grafana
Jenkins
Prometheus
Rest API
Kubernetes
Amazon ECS
Amazon S3
IAM
Management
Confluence
Draw.io
Apply
$26k – $39k per year • Junior • Warsaw • Remote (Poland) • Full-Time • Junior • Polish: C1
Java
SQL
Java
Hibernate
Maven
Spring Boot
Databases
ActiveMQ
Apache Kafka
PostgreSQL
DevOps
Git
Rest API
Apply
$39k – $64k per year • Warsaw • Remote (Poland) • Full-Time • Polish: C1
JavaScript
TypeScript
Java
Java
Spring Boot
Spring Security
Frontend
Angular
RxJS
DevOps
Git
Apply
Report

intive

intive.com
intive is a software engineering company formed in 2016 from the merger of several European firms including the Polish company BLStream. Its Polish operations in Szczecin and other cities deliver digital products for automotive, media, fintech and health customers. The group employs thousands of engineers across Europe and Latin America.
intive.com • HQ: Szczecin, Poland • Artificial Intelligence • Software • Digital Goods • 501-1000 employees • Est. 2016
HQ: Szczecin, Poland • Artificial Intelligence • Software • Digital Goods • 501-1000 employees • Est. 2016
Verified live · 1 day ago 2 months ago

Fullstack Architect/Principal (Contractor)

$68k – $114k per year (Estimated) • Lead • 8+ years expPoland • Remote (Poland) • Contractor • Architect • English
JavaScript
Node JS
SQL
TypeScript
AI/ML
Claude
Copilot
Frontend
GraphQL
Next.js
React.js
DevOps
AWS
Azure
CI/CD
Docker
GCP
Git
Kubernetes
GitHub
AWS Lambda
CloudFormation
Grafana
Prometheus
Red Hat
Terraform
Vercel
Cybersecurity
OWASP Top 10
Apply
Report

I Am Here

iamheretribe.com
I Am Here is part of the Pulse Learning Group and provides evidence-based mental health and wellbeing solutions aimed at improving employee health, productivity, and engagement. As the partner of choice for businesses seeking to create safe and productive teams, I Am Here delivers solutions that are easy to use, measurable, and effective. The program encourages the use of Employee Assistance Programs and helps cultivate mentally healthy workplaces through compassionate connections and conversations.
iamheretribe.com • Toronto • Wellness Programs • Health Care • Mental Health
Toronto • Wellness Programs • Health Care • Mental Health
Verified live · 10 min ago 2 months ago

Software Developer – Cloud Solutions

$68k – $191k per year (Estimated) • Middle • 3+ years exp • Remote (EMEA, United States, Canada) • Bachelor's Degree • Contractor • Middle
C#
C++
Go
Java
Python
Rust
SQL
TypeScript
AI/ML
AI Agents
DevOps
AWS
CI/CD
CloudFormation
Docker
Kubernetes
Terraform
Apply
Report

Guidewire

guidewire.com
Elevate your P&C insurance with Guidewire's industry-leading software! Streamline workflows, enhance customer experience, and drive growth. Learn more today!
guidewire.com • Kraków • Human Resources • Professional Services • Artificial Intelligence • FinTech • Financial Services • Insurance
Kraków • Human Resources • Professional Services • Artificial Intelligence • FinTech • Financial Services • Insurance
$35k – $70k per year (Estimated) • Junior • 2+ years expIn office (Kraków, Poland) • Full-Time • Junior
Python
TypeScript
JavaScript
Python
Celery
FastAPI
Flask
Pydantic
SQLAlchemy
Databases
PostgreSQL
Redis
Frontend
Material UI
React.js
DevOps
AWS
Azure
Docker
Kubernetes
Apply
Report

Autofixer

autofixer.com
Dlaczego warto wybrać AutoFixer?. Jesteśmy liderem innowacji w doborze części zamiennych. Zaufaj naszemu doświadczeniu.
autofixer.com • HQ: Warsaw, Poland • Automotive Manufacturing • Commerce • Retail & Shop Systems
HQ: Warsaw, Poland • Automotive Manufacturing • Commerce • Retail & Shop Systems
$32k – $58k per year • Warsaw • Remote (Poland) • Full-Time • Middle • Polish: C1
SQL
C#
C#
.NET
Databases
PostgreSQL
AI/ML
Claude
DevOps
CI/CD
GCP
GitOps
Kubernetes
OpenTelemetry
GitLab
Apply
$58k – $84k per year • Warsaw • Remote (Poland) • Full-Time • Middle • Polish: C1
SQL
C#
C#
.NET
Databases
PostgreSQL
AI/ML
Claude
DevOps
CI/CD
GCP
GitOps
Kubernetes
OpenTelemetry
GitLab
Apply
$58k – $84k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
SQL
C#
C#
.NET
Databases
PostgreSQL
AI/ML
Claude
DevOps
CI/CD
GCP
GitOps
Kubernetes
OpenTelemetry
GitLab
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

Senior/Lead Back End Engineer

Lead • 5+ years exp • Remote (Poland, Kazakhstan, Romania, Ukraine, Uzbekistan) • Full-Time • Staff
Java
Python
Java
Spring Boot
Python
Django
FastAPI
Flask
Databases
MySQL
PostgreSQL
DevOps
AWS
CI/CD
Git
Apply
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

Zencoder

zencoder.ai
About us We are changing the way developers work Zencoder started with a question: what if software could do the repetitive work it's only been tracking? We're a team of 70+ engineers, researchers, and builders trying to answer it.
zencoder.ai • AI Agents • Artificial Intelligence
AI Agents • Artificial Intelligence
Open 110 daysVerified live · 1 day ago 4 months ago

Staff Software Engineer

$117k – $243k per year (Estimated) • Equity • Staff+ • 10+ years exp • Remote (Europe) • Staff
JavaScript
Kotlin
AI/ML
AI Agents
DevOps
AWS
CI/CD
GCP
Shift-Left
Cybersecurity
Shift-Left Security
Apply
Open 293 daysVerified live · 1 day ago 10 months ago

Senior Software Engineer

$69k – $195k per year (Estimated) • Equity • Senior • 10+ years exp • Remote (Europe) • Senior
Java
Kotlin
TypeScript
AI/ML
AI Agents
Apply
Report

Deviniti

deviniti.com
Deviniti wspiera przedsiębiorstwa z całego świata w zarządzaniu strukturami IT oraz projektach sztucznej inteligencji na dużą skalę jako doświadczony Platynowy Partner Atlassian i monday.com.
deviniti.com • Wrocław • Software • Artificial Intelligence • Information Technology
Wrocław • Software • Artificial Intelligence • Information Technology
$46k – $70k per year • Wrocław • Remote (Poland) • Full-Time • Polish: C1
Java
SQL
Java
Apache Tomcat
Gradle
Hibernate
Maven
Spring Boot
Databases
Apache Kafka
MariaDB
MS SQL
PostgreSQL
RabbitMQ
AI/ML
AI Agents
Mobile
JUnit
DevOps
CI/CD
Docker
Git
Jenkins
Podman
Bamboo
Bitbucket
Cybersecurity
SonarQube
Management
Jira
QA
Swagger
Apply
Report

Tesco

tesco.com
Tesco is a leading British multinational retailer that stands as the largest grocery store chain in the United Kingdom. Headquartered in Welwyn Garden City, England, the company operates thousands of supermarkets, convenience stores, and a major e-commerce platform. It offers a wide variety of products ranging from fresh food and clothing to household items and financial services.
tesco.com • Kraków • Pune • Edinburgh • Bengaluru • Milton Keynes • Hardware • Industrial Hardware • Commerce • Retail & Shop Systems • E-commerce Platforms • Est. 2004
Kraków • Pune • Edinburgh • Bengaluru • Milton Keynes • Hardware • Industrial Hardware • Commerce • Retail & Shop Systems • E-commerce Platforms • Est. 2004
$116k – $152k per year • Lead • 10+ years expRemote/Hybrid (Kraków, Poland) • Full-Time • Principal
Java
TypeScript
DevOps
Azure
CI/CD
Docker
Incident Management
Kubernetes
Apply
$64k – $81k per year • Middle • 4+ years expRemote/Hybrid (Kraków, Poland) • Full-Time • Middle
Java
Databases
Apache Kafka
DevOps
Azure AKS
CI/CD
Kubernetes
Rest API
Terraform
Azure
Apply
$64k – $81k per year • Remote/Hybrid (Kraków, Poland) • Full-Time
Java
Python
Java
Spring Boot
Databases
Apache Kafka
pgvector
PostgreSQL
Couchbase
AI/ML
Embeddings
AI Agents
Edge AI
Computer Vision
Prompt Engineering
DevOps
Azure
Azure AKS
CI/CD
Kubernetes
Terraform
Apply
Report

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
$64k – $99k per year (Estimated) • Senior • Warsaw • Remote (Poland, Slovakia) • Bachelor's Degree • Internship • Senior
C#
C++
Go
Java
Node JS
Python
TypeScript
JavaScript
Databases
Apache Kafka
ClickHouse
DynamoDB
MySQL
PostgreSQL
DevOps
gRPC
AWS
Kubernetes
Apply
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
Report

Angry Nerds

angrynerds.co
Angry Nerds is a tech-focused agency and software development company based in Wrocław, Poland. Founded in 2015, the firm specializes in end-to-end custom software design, mobile app development, web applications, and UI/UX design for startups and established enterprises globally. They focus on delivering agile engineering teams and full product lifecycle development using modern tech stacks like React, Node.js, and Flutter.
angrynerds.co • HQ: Wrocław, Poland • Information Technology • Mobile App Development • Software
HQ: Wrocław, Poland • Information Technology • Mobile App Development • Software
$54k – $69k per year • Wrocław • Remote (Poland) • Polish: C1
C#
SQL
C#
ASP.NET Core
Databases
ElasticSearch
MS SQL
Snowflake
DevOps
Azure
CI/CD
Git
Gitflow
Rest API
Apply
$60k – $70k per year • Senior • Wrocław • Remote (Poland) • Full-Time • Senior • Polish: C1
C#
JavaScript
SQL
TypeScript
C#
.NET
Frontend
Angular
NgRx
RxJS
Sass
DevOps
Azure
CI/CD
Git
Gitflow
Rest API
Apply
2 months ago

Senior .NET Developer

$54k – $70k per year • Senior • Wrocław • Remote (Poland) • Full-Time • Senior • Polish: C1
C#
SQL
C#
ASP.NET Core
Entity Framework Core
Hangfire
Databases
Azure SQL Database
ElasticSearch
MS SQL
Redis
Microsoft Fabric
AI/ML
Claude
Claude Code
Copilot
DevOps
Azure
Bitbucket
CI/CD
Git
Gitflow
Rest API
GitHub
Management
Confluence
Jira
Apply
Report

Ergo

ergo.com
ERGO is a leading insurance company in Germany and Europe offering retail and corporate clients a wide range of life, health, property, and casualty insurance, as well as pensions and investment services.
ergo.com • HQ: Warsaw, Poland • Financial Services • Insurance • Est. 1997
HQ: Warsaw, Poland • Financial Services • Insurance • Est. 1997
$65k – $100k per year (Estimated) • Senior • 4+ years expWarsaw • Remote (Poland) • Bachelor's Degree • Full-Time • Senior
TypeScript
C#
JavaScript
PowerShell
SQL
Databases
MS SQL
Frontend
Angular
DevOps
IAM
Azure
Azure DevOps
Dynatrace
Windows Server
Cybersecurity
Microsoft Entra ID
Apply
Report

Eyzee S.A.

eyzee.com
We will help you effectively optimize your business and technological processes through flexible cooperation models and a wide range of services.
eyzee.com • Warsaw • Professional Services • Business Process Automation (BPA) • Information Technology
Warsaw • Professional Services • Business Process Automation (BPA) • Information Technology
2 months ago

Java Developer

$45k – $74k per year • Warsaw • Remote (Poland) • Full-Time • Polish: C1
Java
SQL
Kotlin
Java
Gradle
Maven
Spring Boot
Kotlin
Mockito
Mobile
JUnit
DevOps
Bitbucket
CI/CD
Rest API
Management
Confluence
Apply
$61k – $73k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
Python
SQL
Python
Django
FastAPI
Flask
Databases
ElasticSearch
RabbitMQ
Redis
Mobile
Clean Architecture
DevOps
Bitbucket
CI/CD
Docker
Git
Kubernetes
Nginx
Management
Confluence
Jira
Apply
Report

Baloise

baloise.com
Baloise Group is a Swiss insurance and financial services provider with its corporate website at baloise.com. It offers non life and life insurance solutions along with investment and asset management services for private and corporate customers in selected European markets.
baloise.com • Warsaw • Financial Services • Wealth Management • Insurance
Warsaw • Financial Services • Wealth Management • Insurance
$73k – $87k per year • Senior • 5+ years expWarsaw • Remote (Poland, Switzerland) • Full-Time • Senior
Platform Engineering
Cybersecurity
GDPR
Analytics
ETL/ELT
Apply
$73k – $85k per year • Senior • Warsaw • Remote (Poland, Switzerland) • Full-Time • Senior
JavaScript
TypeScript
Frontend
Angular
React.js
DevOps
CI/CD
GitHub Actions
GitHub
Cybersecurity
GDPR
Apply
Report
At Blue Language Labs we are building the foundational trust layer for the AI-driven economy. By transforming digital agreements into self-enforcing, verifiable contracts, we enable machines to transact, negotiate, and collaborate with certainty. Our open protocol unlocks seamless, global commerce powered by AI-secure, scalable, and built for the future.
labs.blue • Artificial Intelligence • Blockchain & Crypto • Smart Contracts & Security
Artificial Intelligence • Blockchain & Crypto • Smart Contracts & Security
$129k – $161k per year • Staff+ • 7+ years exp • Remote (Poland) • Full-Time • Staff • Polish: C1
Node JS
TypeScript
JavaScript
Databases
PostgreSQL
AI/ML
AI Agents
Frontend
React.js
DevOps
AWS
AWS Lambda
CloudFormation
Amazon CloudWatch
Amazon EventBridge
API Gateway
IAM
Web3
Smart Contracts
Apply
Report

Kruk

kruk.eu
Od ponad 28 lat jesteśmy liderem zarządzania wierzytelnościami w Europie Centralnej. Nasze IT to zespół ponad 300 osób pracujących w Polsce i za granicą. Tworzymy rozwiązania, które realnie wspierają biznes i naszych klientów.
kruk.eu • Wrocław • Investment Banking
Wrocław • Investment Banking
$65k – $108k per year (Estimated) • Lead • Wrocław • Remote (Poland) • Full-Time • Staff
C#
TypeScript
JavaScript
C#
.NET
Frontend
Angular
Apply
$59k – $91k per year (Estimated) • Senior • Wrocław • Remote (Poland) • Full-Time • Senior • Polish: C1
C#
SQL
TypeScript
JavaScript
C#
ASP.NET Core
MassTransit
Databases
MS SQL
PostgreSQL
RabbitMQ
AI/ML
Copilot
LLM
Frontend
Angular
Mobile
Clean Architecture
DevOps
CI/CD
Git
Kong
OpenShift
OpenTelemetry
Rest API
GitHub
GitLab
Cybersecurity
Microsoft Entra ID
Apply
Report

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 · 1 day 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
Apply
Verified live · 1 day 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 · 1 day 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
Apply
Report
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.