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.

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Quantum

ELEKS

eleks.com
ELEKS is a global software engineering and technology consulting firm headquartered in Tallinn, Estonia, and founded in 1991. The company provides a range of services including custom software development, product design, data science, cybersecurity, and quality assurance across various industries such as fintech, healthcare, and logistics. Operating through a network of delivery centers and offices across Europe, North America, and the Middle East, the firm employs over 2,000 specialists to support enterprise-level digital transformation projects.
eleks.com • HQ: Tallinn, Estonia • Cybersecurity • Data Science • Data & Analytics • Mobile App Development • IT Consulting • Information Technology • IT Outsourcing • Software • 1001-5000 employees • Est. 1991
HQ: Tallinn, Estonia • Cybersecurity • Data Science • Data & Analytics • Mobile App Development • IT Consulting • Information Technology • IT Outsourcing • Software • 1001-5000 employees • Est. 1991
$103k – $230k per year (Estimated) • Lead • 5+ years exp • Remote (Poland, Ukraine) • Contractor • Staff
C#
SQL
C#
.NET
Entity Framework Core
Databases
MS SQL
AI/ML
Windsurf
DevOps
Azure
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Verified live · 2 hours ago 2 months ago

(financial), Senior .NET (WPF) Developer, JR612

$58k – $89k per year (Estimated) • Senior • 5+ years exp • Remote (Poland) • Senior
C#
C++
Python
C#
.NET
DevOps
Git
Management
Jira
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Verified live · 2 hours ago 2 months ago

(Healthcare domain, D.M.), Senior .NET Developer, JR 598, JR 596

$27k – $68k per year (Estimated) • Junior • 5+ years exp • Remote (Poland, Ukraine) • Junior • English
C#
SQL
C#
.NET
Entity Framework Core
Databases
MS SQL
AI/ML
Windsurf
DevOps
Azure
Apply
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Xopero Software

xopero.com
Xopero is a cybersecurity company specializing in comprehensive backup and disaster recovery solutions designed to protect critical business data across physical, virtual, and cloud environments. The firm provides a unified platform that secures everything from servers and endpoints to SaaS applications like Microsoft 365 and DevOps tools against ransomware and data loss. Known for its focus on cyber resilience, the company offers immutable storage and zero-trust data access to help organizations ensure business continuity and compliance with global security standards.
xopero.com • Warsaw • Gorzów Wielkopolski • Sopot • Cloud Computing • Software • Cybersecurity
Warsaw • Gorzów Wielkopolski • Sopot • Cloud Computing • Software • Cybersecurity
28 days ago

Senior C# Developer

$64k – $76k per year • Senior • Gorzów Wielkopolski • Remote (Poland) • Full-Time • Senior • Polish: C1
C#
SQL
C#
.NET
DevOps
Docker
Git
Hyper-V
Kubernetes
TeamCity
VMWare
Amazon S3
Management
Jira
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Reef Technologies

reef-technologies.com
Reef Technologies is a backend Python software house. We design and build the systems you cannot see: APIs, databases, libraries, search algorithms, optimizers, and machine learning infrastructure.
reef-technologies.com • Warsaw • Gdynia • Rzeszów • Artificial Intelligence • IT Consulting • Software
Warsaw • Gdynia • Rzeszów • Artificial Intelligence • IT Consulting • Software
$96k – $150k per year • Senior • 5+ years expRzeszów • Remote (Poland) • Full-Time • Senior
Python
QA
Rest-Assured
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Top 25% pay 28 days ago

Lead Python Backend Engineer

$160k – $204k per year • Lead • 5+ years expGdynia • Remote (Poland) • Full-Time • Staff
Python
QA
Rest-Assured
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Sellision

sellision.pl
Sellision – Wiodący partner technologiczny PrestaShop Expert . Od 12 lat projektujemy, wdrażamy i skalujemy wydajne sklepy internetowe oraz platformy B2B.
sellision.pl • Wrocław • Web Development • Commerce • E-commerce Platforms • Est. 2014
Wrocław • Web Development • Commerce • E-commerce Platforms • Est. 2014
$39k – $45k per year • Wrocław • Remote (Poland) • Full-Time • Polish: C1
PHP
PHP
Symfony
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Moniepoint Group

moniepoint.com
Moniepoint Inc. is a leading financial technology company that provides a seamless platform for businesses, their employees and customers, to accept payments digitally, receive credit and access business management tools that enable them to grow with ease. We are the parent company of TeamApt Ltd and Moniepoint MFB and we support over 1,800,000 businesses to process $12 billion monthly through our digital payment acceptance channels. For our work in making digital payment accessible to businesses in emerging markets, our Nigerian subsidiary was awarded the National Inclusive Payment Initiative Award by the Central Bank of Nigeria.
moniepoint.com • HQ: London, United Kingdom • Financial Services • Payments • FinTech • 501-1000 employees • Est. 2015
HQ: London, United Kingdom • Financial Services • Payments • FinTech • 501-1000 employees • Est. 2015
Verified live · 1 hour ago 29 days ago

Principal Generalist Engineer

$71k – $119k per year (Estimated) • Lead • Remote (Poland) • Principal
Java
Python
Rust
SQL
DevOps
Kubernetes
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Verified live · 1 hour ago 2 months ago

Senior Backend Engineer (Java)

$62k – $96k per year (Estimated) • Senior • 5+ years exp • Remote (Poland) • Bachelor's Degree • Senior
Java
JavaScript
Java
Hibernate
Spring Boot
Databases
DynamoDB
ElasticSearch
PostgreSQL
Frontend
React.js
DevOps
CI/CD
Docker
Kubernetes
AWS
Apply
Verified live · 1 hour ago 10 months ago

Generalist Engineer - R&D

$48k – $135k per year (Estimated) • Remote (Poland, Spain)
Java
Python
Rust
SQL
DevOps
Kubernetes
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Asseco Group

asseco.com
Asseco Group (WSE: ACP) is a multinational federation of software enterprises and one of the largest IT companies in Europe, headquartered in Rzeszów, Poland. Founded in 1991 by Adam Góral, the group operates across more than 50 countries globally, with regional hubs spanning Central and Eastern Europe, Israel, Spain, and the US (listed on the Warsaw Stock Exchange, Tel Aviv Stock Exchange, and NASDAQ).
asseco.com • HQ: Rzeszów, Poland • Financial Services • Enterprise Resource Planning (ERP) • Software • Est. 1991
HQ: Rzeszów, Poland • Financial Services • Enterprise Resource Planning (ERP) • Software • Est. 1991
$53k – $95k per year (Estimated)In office (Kraków, Poland) • Full-Time • Polish: C1
Java
SQL
TypeScript
JavaScript
Frontend
Angular
DevOps
CI/CD
Docker
Apply
$52k – $94k per year (Estimated)Wrocław • Remote (Poland) • Full-Time • Polish: C1
Java
SQL
TypeScript
JavaScript
Java
Spring Boot
Databases
RabbitMQ
Frontend
Angular
DevOps
Docker
Kubernetes
Rest API
Apply
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Keepit

keepit.com
The Keepit Cloud is the most cost-effective solution on the market with 20+ years of experience. Learn more about our next-level SaaS data protection services.
keepit.com • Kraków • Cloud Security • Data & Analytics • Data Management
Kraków • Cloud Security • Data & Analytics • Data Management
$80k – $90k per year • Senior • 5+ years expIn office (Kraków, Poland) • Full-Time • Senior • Polish
C++
Java
LISP
SQL
Java
Spring Boot
Databases
Apache Kafka
RabbitMQ
DevOps
CI/CD
Cybersecurity
Keycloak
Microsoft Entra ID
Management
Google Workspace
Marketing
Salesforce
Zendesk
Apply
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Startup House

startup-house.com
Secure, enterprise-grade digital transformation. We design, build, and evolve custom software and AI solutions with strong governance.
startup-house.com • Warsaw • Information Technology • Artificial Intelligence • Software
Warsaw • Information Technology • Artificial Intelligence • Software
$54k – $81k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
Node JS
Python
SQL
TypeScript
JavaScript
Node JS
Nest.JS
Python
FastAPI
Databases
NATS
Redis
AI/ML
LangChain
Langfuse
LangGraph
Model Context Protocol
Frontend
GraphQL
Next.js
React.js
DevOps
Azure
WebSockets
IoT
MQTT
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Uncapped

weareuncapped.com
Our Purpose: Digital entrepreneurs are critical for our economic growth, but traditional banks and funding options aren't meeting their needs Our Vision: Every digital entrepreneur can access the capital and knowledge they need to grow big Our ...
weareuncapped.com • Atlanta • New York • Toronto • London • Warsaw • Financial Services • FinTech • Lending
Atlanta • New York • Toronto • London • Warsaw • Financial Services • FinTech • Lending
Verified live · 11 hours ago 30 days ago

Senior Backend Engineer

$63k – $97k per year (Estimated) • Senior • 8+ years expWarsaw • Remote (Poland) • Visa sponsorship • Full-Time • Senior
Java
SQL
Java
Spring Boot
DevOps
CI/CD
GCP
Kubernetes
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$63k – $97k per year (Estimated) • Senior • 8+ years expPoland • Remote (Poland) • Relocation • Visa sponsorship • Full-Time • Senior
Java
SQL
Java
Spring Boot
DevOps
CI/CD
GCP
Kubernetes
Apply
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PSE Innowacje sp. z o.o.

pse-innowacje.pl
pse-innowacje.pl • Wrocław • Warsaw • Katowice • Smart Grid • Energy & Utilities • Power Grid
Wrocław • Warsaw • Katowice • Smart Grid • Energy & Utilities • Power Grid
$53k – $95k per year (Estimated)Wrocław • Remote (Poland) • Part-Time • Polish: C1
JavaScript
Kotlin
SQL
TypeScript
Java
Java
Flyway
Gradle
Hibernate
Maven
Spring Boot
Databases
Apache Kafka
Frontend
GraphQL
Jotai
React Query
React.js
Vite
DevOps
Docker
Jenkins
Kubernetes
GitLab
QA
Swagger
Apply
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TechnipFMC

technipfmc.com
technipfmc.com • Kraków • Energy & Utilities • Natural Resources • Oil & Gas
Kraków • Energy & Utilities • Natural Resources • Oil & Gas
$63k – $99k per year (Estimated) • Senior • 6+ years expIn office (Kraków, Poland) • Bachelor's Degree • Full-Time • Senior
Java
Kotlin
JavaScript
Java
Spring Boot
Databases
PostgreSQL
Frontend
React.js
Mobile
Material Design
DevOps
AWS
Bitbucket
CI/CD
CircleCI
GitHub Actions
GitHub
Management
Confluence
Jira
QA
Cypress
Playwright
Apply
$63k – $99k per year (Estimated) • Senior • 5+ years expIn office (Kraków, Poland) • Bachelor's Degree • Full-Time • Senior
Go
Python
JavaScript
Databases
PostgreSQL
AI/ML
NumPy
SciPy
Frontend
React.js
Mobile
Material Design
DevOps
AWS
CI/CD
GitHub Actions
GitHub
Management
Confluence
Jira
QA
Playwright
Apply
$69k – $107k per year (Estimated) • Lead • 5+ years expIn office (Kraków, Poland) • Bachelor's Degree • Full-Time • Staff
Java
Kotlin
TypeScript
JavaScript
Java
Spring Boot
Databases
PostgreSQL
Frontend
Angular
GraphQL
React.js
Mobile
Material Design
DevOps
AWS
Bitbucket
CI/CD
CircleCI
GitHub Actions
GitHub
Robotics
Apollo
Management
Confluence
Jira
QA
Cypress
Playwright
Apply
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TechTree

techtree.dev
TechTree is a recruitment technology company headquartered in London, United Kingdom, and founded in 2019. The company provides an AI-driven talent intelligence platform that combines a large-scale profile database with a network of over 1,000 talent partners to facilitate executive-level candidate searches. It operates globally, serving startups and established firms in sectors such as artificial intelligence and fintech by delivering verified candidates through warm professional networks.
techtree.dev • HQ: London, United Kingdom • Business Process Automation (BPA) • Software • AI Agents • Artificial Intelligence • Professional Services • Human Resources • Est. 2019
HQ: London, United Kingdom • Business Process Automation (BPA) • Software • AI Agents • Artificial Intelligence • Professional Services • Human Resources • Est. 2019
30 days ago

Software Engineer

$54k – $74k per year • Middle • 3+ years expWarsaw • Remote (Poland) • Full-Time • Middle
JavaScript
C#
PHP
Python
Rust
Frontend
React.js
Storybook
DevOps
Docker
Git
Cybersecurity
Zero Trust
QA
Jest
WebDriverIO
Apply
$51k – $80k per year • Senior • 5+ years expRemote/Hybrid (Kraków, Poland) • Full-Time • Senior
PHP
AI/ML
ChatGPT
Claude
Copilot
DevOps
AWS
Apply
2 months ago

PHP Software Engineer

$54k – $74k per year • Warsaw • Remote (Poland) • Full-Time
PHP
Bash
Go
JavaScript
Python
Rust
SQL
PHP
Laravel
Symfony
PHPUnit
DevOps
Docker
Git
Apply
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Nortal

nortal.com
Nortal is a multinational strategic consulting and technology company headquartered in Tallinn, Estonia, founded in 2000. The company provides digital transformation services, including software development, data analytics, cybersecurity, and large-scale e-government infrastructure projects. It operates across Europe, North America, and the Middle East, serving public sector clients, healthcare providers, and global enterprises through a network of international offices.
nortal.com • HQ: Tallinn, Estonia • Data & Analytics • Cybersecurity • Digital Health • Health Care • Information Technology • IT Consulting • Government • Digital Government • 5000+ employees • Est. 2000
HQ: Tallinn, Estonia • Data & Analytics • Cybersecurity • Digital Health • Health Care • Information Technology • IT Consulting • Government • Digital Government • 5000+ employees • Est. 2000
$55k – $59k per year • Middle • 3+ years expKraków • Remote (Poland) • Full-Time • Architect
JavaScript
TypeScript
Java
SQL
Java
Spring Boot
Hibernate
Databases
ElasticSearch
PostgreSQL
RabbitMQ
Frontend
React.js
Mobile
Expo
React Native
DevOps
CI/CD
Docker
GitLab CI
Kubernetes
Rest API
GitLab
Apply
$107k – $239k per year (Estimated) • Lead • 10+ years exp • Remote (Poland, Estonia) • Visa sponsorship • Bachelor's Degree • Staff
PHP
TypeScript
JavaScript
PHP
Laravel
Databases
PostgreSQL
Frontend
Angular
Apply
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BSH Group

bsh-group.com
BSH Group is an international manufacturer of home appliances and is part of the Bosch corporate group. It designs, produces, and sells household appliances including laundry care, refrigeration, dishwashing, and cooking products under multiple consumer brands.
bsh-group.com • Warsaw • Łódź • Manufacturing • Consumer Electronics • Home Appliances
Warsaw • Łódź • Manufacturing • Consumer Electronics • Home Appliances
$64k – $99k per year (Estimated) • Senior • 5+ years expWarsaw • Remote (Poland) • Full-Time • Senior • German
Java
Python
Scala
TypeScript
DevOps
Ansible
GitHub Actions
Prometheus
Terraform
GitHub
Apply
$64k – $99k per year (Estimated) • Senior • 5+ years expWarsaw • Remote (Poland) • Full-Time • Senior • German
Java
Python
Scala
TypeScript
DevOps
Ansible
Bitbucket
GitHub Actions
Jenkins
Prometheus
Terraform
GitHub
Management
Confluence
Jira
Apply
$63k – $98k per year (Estimated) • Senior • 5+ years expWarsaw • Remote (Poland) • Full-Time • Senior
Node JS
Python
SQL
TypeScript
JavaScript
Databases
Apache Kafka
ElasticSearch
OpenSearch
RabbitMQ
Frontend
Next.js
React.js
QA
Jest
Playwright
Vitest
Apply
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New Era Technology

neweratech.com
New Era Technology is a global managed technology service provider and systems integrator. The company delivers digital transformation, IT infrastructure, and enterprise technology solutions to over 20,000 businesses, healthcare organizations, educational institutions, and financial entities worldwide.
neweratech.com • HQ: Chicago, United States • Cloud Computing • Cybersecurity • Information Technology • 1001-5000 employees
HQ: Chicago, United States • Cloud Computing • Cybersecurity • Information Technology • 1001-5000 employees
Verified live · 3 hours ago 2 months ago

Full Stack Software Engineer

Remote
Java
Java
Spring Boot
Databases
Apache Kafka
DynamoDB
DevOps
AWS
AWS Lambda
CI/CD
Rest API
Amazon S3
API Gateway
Splunk
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Ubiquiti

ui.com
Ubiquiti is an American technology company headquartered in New York and founded in 2003. It designs and manufactures networking hardware, including wireless access points, switches, routers, and physical security systems managed through a unified software interface. The company serves enterprise, service provider, and consumer markets worldwide, operating on a business model that eliminates traditional software licensing and subscription fees.
ui.com • HQ: New York, United States • Wireless • Hardware • IT Infrastructure • Information Technology • Enterprise Networks • Network Equipment • Telecommunications • Cybersecurity • 1001-5000 employees • Est. 2003
HQ: New York, United States • Wireless • Hardware • IT Infrastructure • Information Technology • Enterprise Networks • Network Equipment • Telecommunications • Cybersecurity • 1001-5000 employees • Est. 2003
Verified live · 2 hours ago 2 months ago

Back-End Developer (Go) - Krakow

$64k – $101k per year (Estimated) • Senior • 5+ years expIn office (Kraków, Poland) • Internship • Senior
Go
Databases
MySQL
PostgreSQL
AI/ML
Claude
Claude Code
Cursor
Time Series Forecasting
DevOps
Debian
Ubuntu
WebSockets
Cybersecurity
Tcpdump
Wireshark
IoT
CoAP
Matter
MQTT
Apply
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Cornerstone OnDemand

cornerstoneondemand.com
Cornerstone OnDemand is a global Computer Software company that offers solutions wrt Recruiting, Personalized Learning, Human Capital Management, HR Planning, etc. It is listed on NASDAQ.
cornerstoneondemand.com • Pune • Kraków • E-learning • Professional Services • Human Resources • Est. 1999
Pune • Kraków • E-learning • Professional Services • Human Resources • Est. 1999
$21k per year • Intern • In office (Kraków, Poland) • Internship • Intern
C#
Python
SQL
JavaScript
TypeScript
C#
.NET
AI/ML
LLM
AWS Bedrock
LangChain
Prompt Engineering
Semantic Kernel
OpenAI
Frontend
React.js
DevOps
AWS
AWS Lambda
Azure
Bitbucket
CI/CD
Docker
GCP
Git
Amazon ECS
Amazon S3
API Gateway
Apply
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Primaris Services

primaris.eu
Primaris Services is a Polish IT consulting and software engineering company that specializes in custom development, business intelligence, and enterprise process automation. Operating primarily across Central and Western Europe, the firm provides nearshoring services, data warehousing solutions, and managed IT staff augmentation for large corporate clients. Through strategic partnerships with major enterprise software platforms like Planview and Infinica, it delivers end-to-end digital transformation, systems integration, and technical support.
primaris.eu • HQ: Warsaw, Poland • Software • Information Technology
HQ: Warsaw, Poland • Software • Information Technology
$64k – $74k per year • Warsaw • Remote (Poland) • Full-Time • Polish: C1
Java
SQL
TypeScript
JavaScript
Java
Apache Tomcat
Frontend
Angular
DevOps
Docker
Git
Gitflow
Management
UiPath
Apply
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Alarm.com

alarm.com
Alarm.com supplies the cloud platform behind connected security and smart home systems sold by dealers. Its software links intrusion sensors, cameras, locks, thermostats and video analytics in one app. Thousands of service providers resell the platform to residential and commercial subscribers.
alarm.com • HQ: Tysons, United States • Energy Management • Elderly Care • Real Estate • Est. 2000
HQ: Tysons, United States • Energy Management • Elderly Care • Real Estate • Est. 2000
Verified live · 1 hour ago 2 months ago

Senior Software Engineer

$60k – $93k per year (Estimated) • Senior • 5+ years expKraków • Remote (Poland) • Bachelor's Degree • Full-Time • Senior
C#
SQL
JavaScript
C#
.NET
Databases
Apache Kafka
Frontend
Ember.js
Apply
Verified live · 1 hour ago 2 months ago

Software Engineer II

$40k – $82k per year (Estimated) • Middle • 2+ years expKraków • Remote (Poland) • Bachelor's Degree • Full-Time • Middle
C#
SQL
Apply
Verified live · 1 hour ago 2 months ago

Software Engineer II (.NET)

$41k – $84k per year (Estimated) • Middle • 2+ years expKraków • Remote (Poland) • Bachelor's Degree • Full-Time • Middle
C#
TypeScript
JavaScript
SQL
C#
.NET
Databases
Apache Kafka
Frontend
Ember.js
Angular
React.js
DevOps
CI/CD
Apply
Report

Optro

optro.ai
Optro is a governance, risk, and compliance software company headquartered in Cerritos, California, and founded in 2014 under the name AuditBoard. The company sells a connected risk platform covering internal audit, SOX compliance, operational and IT risk, third party risk, and ESG reporting, with AI features that draft testing steps and summarise findings. It serves a large share of the Fortune 500, took its current name after a rebrand, and is backed by the private equity firm Hg.
optro.ai • HQ: Cerritos, United States • Decision Intelligence • Artificial Intelligence • Audit • Financial Services • Risk Management • Cybersecurity • Security Compliance • Est. 2014
HQ: Cerritos, United States • Decision Intelligence • Artificial Intelligence • Audit • Financial Services • Risk Management • Cybersecurity • Security Compliance • Est. 2014
Verified live · 1 day ago 2 months ago

Database Engineer II (Remote Poland)

$49k – $74k per year • Middle • 2+ years exp • Remote (Poland) • Bachelor's Degree • Full-Time • Middle
Python
SQL
Databases
PostgreSQL
DevOps
AWS
Azure
Grafana
Incident Management
Kubernetes
Prometheus
Amazon CloudWatch
CI/CD
Terraform
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.