Backend Developer Jobs in Warsaw

Backend Developer jobs in Warsaw hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $92,171/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.

Warsaw
AI/ML
Software
Data
Security
DevOps & Cloud
Leadership
Product
Design
Fintech
Hardware & Chips
Defense
Aerospace
Biotech
Energy
Robotics
Automotive
MedTech
Science

ALGOTEQUE Innovation Hub

algoteque.com
algoteque.com · HQ: Warsaw, Poland · AI Consulting & Integration · Custom Software Development · 51-200 employees · Staffing · EOR · Hiring 30
HQ: Warsaw, Poland · AI Consulting & Integration · Custom Software Development · 51-200 employees · Staffing · EOR · Hiring 30
Our Services Case Studies About Us Algopedia Join Algoteam Talk to Engineers Meet Algoteque Who we are Engineering capacity, built for delivery.
14 days ago Likely open · 65%

Senior Full-Stack Developer (Java & Angular)

≈ $56k – $94k per year (Estimated) · Senior · Hybrid (Warsaw, Poland) · Contractor · Senior
Java
COBOL
TypeScript
JavaScript
Java
Maven
Gradle
Spring Boot
COBOL
IBM MQ
Databases
ActiveMQ
ElasticSearch
Apache Kafka
AI/ML
OpenAI Codex
Claude Code
Frontend
Angular
DevOps
Splunk
Grafana
Jenkins
Git
Rest API
Kubernetes
CI/CD
Cybersecurity
SonarQube
Management
Agile
+15
Apply
27 days ago Fading · 36%

Senior Full Stack TypeScript Developer

≈ $59k – $98k per year (Estimated) · Senior · In office (Warsaw, Poland) · Contractor · Senior
Node JS
TypeScript
SQL
JavaScript
Databases
PostgreSQL
DevOps
GitHub
CI/CD
Apply

Alimentiv

alimentiv.com
alimentiv.com · HQ: London, Canada · Clinical Trial Services (CRO) · 201-500 employees · Est. 1986 · Trust B · Hiring 31, 3 new
HQ: London, Canada · Clinical Trial Services (CRO) · 201-500 employees · Est. 1986 · Trust B · Hiring 31, 3 new
Alimentiv is a contract research organization headquartered in London, Ontario, Canada. The company runs clinical trials with a specialisation in gastrointestinal disease, and operates a central imaging and histopathology business that reads endoscopy and biopsy endpoints for sponsors. It works with pharmaceutical and biotechnology companies worldwide and grew out of academic clinical trial work connected to Western University.
Verified live · 4 hours ago 14 days ago Hiring now · 90%

Clinical Database Programmer

Dublin · Cambridge · London · Lisbon · Bucharest · Remote (Ireland) · Full-Time · English
C#
Life Sciences
Medidata Rave
Apply

N7 Mobile

n7mobile.com
n7mobile.com · HQ: Warsaw, Poland · Custom Software Development · 1-10 employees · Est. 2011 · Hiring 5, 1 new
HQ: Warsaw, Poland · Custom Software Development · 1-10 employees · Est. 2011 · Hiring 5, 1 new
We build business software dedicated to millions of users. Come and join the team of customers who trust us.
14 days ago Hiring now · 80%

Python Engineer

≈ $51k – $98k per year (Estimated) · Senior · 5+ years exp · Hybrid (Warsaw, Poland) · Contractor · Senior
Python
Python
Django
Databases
ClickHouse
Cassandra
RabbitMQ
MySQL
AI/ML
Spark
DevOps
Rest API
Apply

Brack.Alltron

brackalltron.ch
brackalltron.ch · HQ: Mägenwil, Switzerland · B2B Commerce · E-commerce Platforms · 1001-5000 employees · Hiring 16, 12 new
HQ: Mägenwil, Switzerland · B2B Commerce · E-commerce Platforms · 1001-5000 employees · Hiring 16, 12 new
Brack.Alltron is a Swiss online retail and trading group with about 1,300 employees and annual turnover above one billion. Its teams build online shops, ERP and digital analytics platforms and hire software engineers, product managers and enterprise architects. The company is headquartered in Mägenwil, Switzerland.
14 days ago Likely open · 59%

Senior Software Engineer – AI Focus

$81k – $108k per year · Senior · 10+ years exp · Kraków · Warsaw · Remote (Poland) · Contractor · Senior
Java
JavaScript
AI/ML
Model Context Protocol
Claude Code
AI Agents
Frontend
React.js
DevOps
CI/CD
Apply

Droids On Roids

thedroidsonroids.com
thedroidsonroids.com · HQ: Wrocław, Poland · Mobile App Development Services · Est. 2011 · Hiring 2
HQ: Wrocław, Poland · Mobile App Development Services · Est. 2011 · Hiring 2
Droids On Roids is a Wroclaw software company founded in 2011 and specialised in mobile and web development. It builds native iOS and Android applications together with Flutter and React Native products for international clients. The company publishes a widely read engineering blog on mobile architecture and testing.
14 days ago Hiring now · 75%

Kotlin Multiplatform Software Engineer

≈ $49k – $95k per year (Estimated) · Middle · 3+ years exp · Wrocław · Kraków · Poznań · Warsaw · Remote (Poland) · Contractor · Middle
Kotlin
Swift
Kotlin
Kotlin Coroutines
Ktor
Koin
Swift
Swift Concurrency
Mobile
Jetpack Compose
UIKit
SwiftUI
MVI
MVVM
Kotlin Multiplatform
Clean Architecture
Compose Multiplatform
Dependency Injection
State Management
DevOps
Git
CI/CD
Management
Agile
+11
Apply

ALTEN

alten.com
alten.com · HQ: Boulogne-Billancourt, France · IT Consulting & Digital Transformation · Engineering Services · 5000+ employees · Est. 1988 · Staffing · EOR · Trust B · Hiring 859, 120 new
HQ: Boulogne-Billancourt, France · IT Consulting & Digital Transformation · Engineering Services · 5000+ employees · Est. 1988 · Staffing · EOR · Trust B · Hiring 859, 120 new
ALTEN is a French engineering and technology consultancy founded in 1988 that supplies project engineers to companies developing complex products and systems. Its consultants work inside client organisations across automotive, aerospace, defence, rail, energy, telecommunications, life sciences and finance, covering embedded software, mechanical and electrical design, simulation, testing, certification and information systems. Listed on Euronext Paris and headquartered in Boulogne-Billancourt, the group employs tens of thousands of engineers across more than thirty countries and has grown through a long sequence of acquisitions of specialist engineering firms.
Sponsors in UK 14 days ago Likely open · 55%

Senior React Engineer (Full Stack Environment)

≈ $52k – $84k per year (Estimated) · Senior · Warsaw · Remote (Poland) · Full-Time · Senior
JavaScript
Frontend
Redux
Material UI
React.js
DevOps
Rest API
Azure
AWS
Apply

CRIF

crif.com
crif.com · HQ: Bologna, Italy · Financial Services · Credit Bureaus & Rating Agencies · 5000+ employees · Est. 1988 · Hiring 14
HQ: Bologna, Italy · Financial Services · Credit Bureaus & Rating Agencies · 5000+ employees · Est. 1988 · Hiring 14
Elevate your financial strategy with CRIF's premier credit bureau reporting services and business information. Explore solutions that empower decisions.
Sponsors in IE 14 days ago Hiring now · 77%

Java Developer (f/m)

≈ $47k – $91k per year (Estimated) · Junior · 2+ years exp · Kraków · Warsaw · Gdańsk · Poznań · Wrocław · Remote (Italy, Switzerland) · Full-Time · Junior
Java
TypeScript
JavaScript
Java
Maven
Databases
MS SQL
Frontend
Angular
DevOps
OpenShift
Jenkins
Docker
Kubernetes
Azure
CI/CD
Management
Scrum
+5
Apply

Angra Limited

angra.co
angra.co · Solar Energy · Hiring 2
Solar Energy · Hiring 2
Angra.co Pioneering Solar Energy Solutions in Bangladesh and Beyond angra.co is a leading provider of high-quality solar energy solutions, headquartered in Dhaka, Bangladesh, with operations extending throughout Bangladesh and parts of India.
14 days ago Hiring now · 73%

Software Developer Fullstack

≈ $48k – $93k per year (Estimated) · Warsaw · Remote (Poland) · Full-Time
Node JS
C#
TypeScript
JavaScript
Python
SQL
Python
FastAPI
Django
C#
ASP.NET Core
Node JS
Nest.JS
Frontend
Angular
React.js
DevOps
Git
GCP
Azure
CI/CD
AWS
+9
Apply

ITSG Global

itsg-global.com
itsg-global.com · HQ: Warsaw, Poland · Document AI · Custom Software Development · Est. 2005 · Hiring 8
HQ: Warsaw, Poland · Document AI · Custom Software Development · Est. 2005 · Hiring 8
ITSG Global — 20 years of building enterprise software, AI platforms, and intelligent document processing for finance, healthcare, energy, and logistics.
15 days ago Hiring now · 72%

Java Backend / Fullstack Developer (Kontraktor)

$46k – $67k per year · Warsaw · Remote (Poland) · Contractor
TypeScript
Java
Kotlin
SQL
Java
AssertJ
Testcontainers
Spring Boot
Hibernate
Kotlin
Mockito
Databases
Apache Kafka
PostgreSQL
AI/ML
Cursor
Claude Code
Copilot
Mobile
JUnit
DevOps
Docker
Linux
Azure
Git
CI/CD
+12
Apply

Equinix

equinix.com
equinix.com · HQ: Redwood City, United States · Network Interconnect · Data Centers & Colocation · 5000+ employees · Est. 1998 · Trust B · Hiring 275, 44 new
HQ: Redwood City, United States · Network Interconnect · Data Centers & Colocation · 5000+ employees · Est. 1998 · Trust B · Hiring 275, 44 new
Equinix is a digital infrastructure company headquartered in Redwood City, California, operating colocation data centers and interconnection services that let enterprises, cloud providers and network operators connect their infrastructure. Founded in 1998 and listed on Nasdaq, it runs more than 260 data centers in over 70 metro areas worldwide and builds hyperscale facilities through its xScale program. It hires data center customer operations and critical facilities engineers, cabling and maintenance technicians, sales engineers, product architects and compliance analysts, with many roles in Dallas, Toronto and Redwood City.
Verified live · 1 hour ago Blue Card salary 15 days ago Likely open · 57%

Software Development Engineer Expert

$73k – $109k per year · Senior · Hybrid (Warsaw, Poland) · Bachelor's Degree · Full-Time · Senior
Platform Engineering
CI/CD
Cybersecurity
Least Privilege
SBOM
Apply
Verified live · 1 hour ago Blue Card salary 1 month ago Long shot · 22%

Senior Associate Engineer, Product Software

$36k – $57k per year · Junior · 2+ years exp · Hybrid (Warsaw, Poland) · Bachelor's Degree · Full-Time · Senior · English: B2
Kotlin
Java
Java
Hibernate
Spring Boot
Databases
Apache Kafka
DevOps
Git
Rest API
CI/CD
BGP
+1
Apply

Sperasoft

sperasoft.com
sperasoft.com · HQ: Warsaw, Poland · Software Testing & QA · Game Development · Est. 2004 · IT services · Trust A · Hiring 49, 1 new
HQ: Warsaw, Poland · Software Testing & QA · Game Development · Est. 2004 · IT services · Trust A · Hiring 49, 1 new
Sperasoft is a video game development company that provides co-development, full-cycle game production, art and quality assurance services to game publishers and studios. Its teams work on console and PC titles, including first-person shooter projects, and hire game designers, engineers and functional testers. The company runs development centres in Poland, Armenia, Serbia and Romania and is headquartered in Warsaw, Poland.
Verified live · 3 hours ago 15 days ago Hiring now · 85%

C++ Developer / Programista C++

≈ $49k – $95k per year (Estimated) · Warsaw · Kraków · Remote (Poland) · Full-Time · English
C++
C++
STL
DevOps
CI/CD
Game Dev
Unreal Engine
Apply

Samba

samba.com
samba.com · HQ: Warsaw, Poland · Market Research · Media & Audience Measurement · 501-1000 employees · Startup · Trust C · Hiring 44
HQ: Warsaw, Poland · Market Research · Media & Audience Measurement · 501-1000 employees · Startup · Trust C · Hiring 44
The Global Leaderin Media Intelligence. See what audiences actually do. Explore the world's trends in real time.
Verified live · 5 hours ago Blue Card salary 15 days ago Likely open · 53%

Software Engineer, Full Stack

$65k – $88k per year · Junior · 2+ years exp · In office (Warsaw, Poland) · Full-Time · Junior
TypeScript
JavaScript
SQL
Databases
Firestore
Google BigQuery
AI/ML
LLM
AI Agents
Mobile
Firebase
DevOps
Amazon S3
Rest API
GCP
AWS
Cybersecurity
Auth0
+5
Apply

ZnanyLekarz

znanylekarz.pl
znanylekarz.pl · HQ: Warsaw, Poland · Primary Care & Medical Centers · Telemedicine & Virtual Care · Hiring 7
HQ: Warsaw, Poland · Primary Care & Medical Centers · Telemedicine & Virtual Care · Hiring 7
ZnanyLekarz is an online platform where patients find doctors, book appointments online and read and post reviews of medical professionals. Its database lists more than 146,000 doctors, and it recruits customer success specialists and team leaders, PR and communications staff and sales specialists for its Noa Notes AI service. The company is based in Warsaw, Poland.
15 days ago Likely open · 63%

Junior Software Engineer

≈ $24k – $69k per year (Estimated) · Junior · Warsaw · Remote (Poland) · Full-Time · Junior
Embeddings
DevOps
CI/CD
Apply

ABBYY

abbyy.com
abbyy.com · HQ: Austin, United States · Process Mining · Computer Vision · Document AI · Workflow & Process Automation (RPA, BPM) · 501-1000 employees · Est. 1989 · Hiring 6
HQ: Austin, United States · Process Mining · Computer Vision · Document AI · Workflow & Process Automation (RPA, BPM) · 501-1000 employees · Est. 1989 · Hiring 6
ABBYY is a software company specializing in intelligent document processing, optical character recognition and process intelligence. Its products include the FineReader PDF and OCR applications, the Vantage document processing platform used to extract data from invoices, forms and identity documents, and the Timeline process mining tool, sold to enterprises and through automation partners. Founded in Moscow in 1989, the company later moved its operations out of Russia and is headquartered in Austin, Texas, United States.
Verified live · 3 hours ago Sponsors in UK 15 days ago Hiring now · 99%

Senior Software Engineer - C++

$58k – $67k per year · Senior · Warsaw · Remote (Poland) · Senior
C#
C++
C#
.NET
Databases
Azure SQL Database
AI/ML
NLP
OCR
Computer Vision
OpenAI
LLM
Machine Learning
DevOps
Azure AKS
GitHub Actions
Docker
Kubernetes
Azure
CI/CD
+8
Apply
Verified live · 3 hours ago Sponsors in UK 15 days ago Hiring now · 90%

Staff Software Engineer - C++

$77k – $86k per year · Staff+ · Warsaw · Remote (Poland) · Staff
C#
C++
C#
.NET
Databases
Azure SQL Database
AI/ML
NLP
OCR
Computer Vision
OpenAI
LLM
Machine Learning
DevOps
Azure AKS
GitHub Actions
Kubernetes
Azure
CI/CD
+7
Apply

ZF Group

zf.com
zf.com · HQ: Friedrichshafen, Germany · Automotive Components · 5000+ employees · Est. 1915 · Trust A · Hiring 518, 60 new
HQ: Friedrichshafen, Germany · Automotive Components · 5000+ employees · Est. 1915 · Trust A · Hiring 518, 60 new
ZF Group is a global technology company and one of the world's largest automotive suppliers, headquartered in Friedrichshafen, Germany. The company specializes in integrated systems for mobility, providing advanced driveline and chassis technology, e-mobility solutions, and automated driving software. Operating across passenger cars, commercial vehicles, and industrial sectors worldwide, it focuses on shaping sustainable and safe transportation for the future.
Verified live · 3 hours ago 16 days ago Hiring now · 81%

Senior Fullstack .NET Developer with React (m/f/d)

≈ $50k – $83k per year (Estimated) · Senior · 4+ years exp · Hybrid (Warsaw, Poland) · Senior
C#
SQL
JavaScript
C#
.NET
Frontend
React.js
DevOps
CI/CD
AWS
Management
Kanban
Scrum
+1
Apply
Verified live · 3 hours ago 23 days ago Likely open · 66%

Senior Fullstack .NET Developer with Angular (m/f/d)

≈ $49k – $81k per year (Estimated) · Senior · 4+ years exp · Hybrid (Warsaw, Poland) · Bachelor's Degree · Senior · English
C#
TypeScript
JavaScript
SQL
C#
.NET
Entity Framework Core
Frontend
Angular
DevOps
Azure
CI/CD
Management
Scrum
Agile
+3
Apply

Veeam Software

veeam.com
veeam.com · HQ: Seattle, United States · Backup & Disaster Recovery · 5000+ employees · Est. 2006 · Trust B · Hiring 194, 23 new
HQ: Seattle, United States · Backup & Disaster Recovery · 5000+ employees · Est. 2006 · Trust B · Hiring 194, 23 new
Veeam is a data protection company founded in 2006 that built its business on backup and recovery for virtual machines and then extended into physical servers, cloud workloads and software-as-a-service applications. Its products cover backup, replication, instant recovery and increasingly ransomware resilience, with immutable storage, anomaly detection and clean-restore workflows aimed at organisations recovering from encryption attacks. The company is headquartered in Seattle, sells almost entirely through resellers and service providers, and holds the largest share of the enterprise data replication and protection market.
Verified live · 3 hours ago Sponsors in US, UK 18 days ago Likely open · 56%

C# Developer (Security)

≈ $43k – $108k per year (Estimated) · Middle · 3+ years exp · Hybrid (Warsaw, Poland) · Middle · English: C1
C#
SQL
C#
.NET
Databases
MS SQL
DevOps
Azure DevOps
Azure
CI/CD
Apply
Verified live · 3 hours ago Sponsors in US, UK 18 days ago Likely open · 55%

Senior C# Developer for MS365

≈ $100k – $167k per year (Estimated) · Senior · 5+ years exp · Warsaw · Remote (Poland) · Senior · English: C1
C#
PowerShell
C++
C#
.NET
Databases
PostgreSQL
DevOps
TeamCity
Azure DevOps
Jenkins
Git
Rest API
Azure
Cybersecurity
Active Directory
Management
SharePoint
+5
Apply
Verified live · 3 hours ago Sponsors in US, UK 18 days ago Likely open · 56%

Middle C# Developer for MS365

≈ $79k – $140k per year (Estimated) · Middle · Warsaw · Remote (Poland) · Middle
C#
SQL
PowerShell
C++
C#
.NET
Databases
PostgreSQL
DevOps
Windows
Linux
Azure
TeamCity
Azure DevOps
Jenkins
Git
Rest API
Cybersecurity
Active Directory
Management
SharePoint
+8
Apply

Team Connect

teamconnect.io
teamconnect.io · HQ: Warsaw, Poland · Custom Software Development · IT Outsourcing & Dedicated Teams · Est. 2008 · Hiring 11, 3 new
HQ: Warsaw, Poland · Custom Software Development · IT Outsourcing & Dedicated Teams · Est. 2008 · Hiring 11, 3 new
Team Connect is a Polish IT services provider that has built and developed software for clients in nearshore and offshore models since 2008. It specialises in Agile and DevOps software delivery, including back-end, front-end and mobile applications, with Java, React and SAP Hybris specialists. The company is headquartered in Warsaw, Poland.
18 days ago Likely open · 62%

Java / React Full Stack Developer

≈ $49k – $94k per year (Estimated) · Warsaw · Remote (Poland) · Contractor
Ruby
Java
JavaScript
Databases
PostgreSQL
AI/ML
ChatGPT
Copilot
Frontend
React.js
Mobile
JUnit
DevOps
CI/CD
Management
Agile
QA
JMeter
+3
Apply

Lumicode

lumicode.pl
lumicode.pl · HQ: Warsaw, Poland · IT Consulting & Digital Transformation · Custom Software Development · Hiring 13, 4 new
HQ: Warsaw, Poland · IT Consulting & Digital Transformation · Custom Software Development · Hiring 13, 4 new
Lumicode is a Polish IT company belonging to the Pentacomp Group, a producer of IT solutions and provider of professional IT services for large enterprises and the public sector. Its job ads cover solution architects for enterprise, cloud and data, quality engineers and GenAI developers working in Python and React. The company is headquartered in Warsaw, Poland.
19 days ago Likely open · 64%

Senior Java Developer

$51k – $62k per year · Senior · Warsaw · Remote (Poland) · Contractor · Senior
Java
TypeScript
JavaScript
Java
Maven
Liquibase
Spring Boot
Databases
Apache Kafka
Frontend
Angular
DevOps
Rest API
Management
Agile
+2
Apply

Taxually

taxually.com
taxually.com · HQ: Budapest, Hungary · Accounting & Tax Software · 201-500 employees · Est. 2016 · Hiring 1
HQ: Budapest, Hungary · Accounting & Tax Software · 201-500 employees · Est. 2016 · Hiring 1
Automate your US sales tax and Canadian GST or HST compliance with LumaTax by Taxually. Our platform simplifies nexus tracking, filing, and reporting for you.
19 days ago Likely open · 66%

Senior Software Engineer

≈ $45k – $80k per year (Estimated) · Senior · Budapest · Łódź · Warsaw · Remote (Europe, European time zones hours) · Full-Time · Senior
Go
C#
TypeScript
JavaScript
C#
.NET
Frontend
Angular
DevOps
Azure
Apply
Report

GdziePoLek

gdziepolek.pl
gdziepolek.pl · HQ: Warsaw, Poland · Patient Access & Booking · Price Comparison · Hiring 1
HQ: Warsaw, Poland · Patient Access & Booking · Price Comparison · Hiring 1
GdziePoLek is a Polish platform where patients search for medicines in nearby and online pharmacies. It serves thousands of pharmacies and records several million patient visits a month, and its technology is also used by pharmacists for pharmaceutical services. The company is headquartered in Warsaw, Poland.
19 days ago Likely open · 50%

Developer .NET

$31k – $49k per year · Hybrid (Warsaw, Poland) · Contractor
TypeScript
SQL
C#
C#
ASP.NET Core
Entity Framework Core
DevOps
Azure
CI/CD
Apply
Report
Machines can read this selection · checked 15:02 UTC
Backend Developer Jobs in Warsaw
Frequently asked questions
How many Backend Developer jobs in Warsaw are available on Alion?
There are currently 402 active listings from 177 hiring companies on Alion, refreshed daily.
What salary do Backend Developer jobs in Warsaw pay?
The average salary is around $92,171 per year based on the current listings.
Are remote options available for Backend Developer jobs in Warsaw?
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 Warsaw?
Open any listing on Alion and apply directly with the employer through the provided link - no lengthy sign-up required.