Sezzle is a financial technology company headquartered in Minneapolis, Minnesota, best known for its Buy Now, Pay Later (BNPL) payment platform. The platform enables consumers to split online and in-store purchases into flexible, interest-free installment payments, typically divided into four interest-free payments over six weeks. Recognized as a Certified B Corporation and Public Benefit Corporation, the company aims to financially empower shoppers through responsible spending tools while partnering with merchants to drive sales conversion.
HQ: Minneapolis, United States • Payments • Financial Services • FinTech • 1001-5000 employees • Est. 1974
≈ $41k – $83k per year (Estimated) • Middle • Remote (Poland) • Bachelor's Degree • Full-Time • Middle
Go
JavaScript
Python
TypeScript
Databases
MySQL
ElasticSearch
PostgreSQL
AI/ML
Claude
Frontend
React.js
Mobile
React Native
DevOps
AWS
CI/CD
Git
Kubernetes
GitLab
≈ $61k – $94k per year (Estimated) • Senior • 7+ years exp • Remote (Poland) • Bachelor's Degree • Full-Time • Senior
Go
Java
Python
SQL
JavaScript
TypeScript
Databases
Apache Kafka
RabbitMQ
ElasticSearch
MySQL
PostgreSQL
AI/ML
Claude
Frontend
React.js
Mobile
React Native
DevOps
AWS
CI/CD
Datadog
Kubernetes
Prometheus
Rest API
Git
GitLab
Altimi is a software development agency and tech modernization partner headquartered in Wrocław, Poland. The company specializes in IT staff augmentation, custom software development, legacy system migration, and cloud engineering using AI-assisted workflows. By offering dedicated engineering teams and phased modernization strategies, it enables mid-sized and enterprise clients to scale development capacity and optimize technical infrastructure.
HQ: Warsaw, Poland • Artificial Intelligence • Information Technology • Software • Est. 2003
$54k – $70k per year • Middle • 3+ years exp • Remote/Hybrid (Wrocław, Poland) • Full-Time • Architect
Python
TypeScript
JavaScript
AI/ML
NLP
Whisper
Deepgram
Frontend
React.js
DevOps
CI/CD
Rest API
$54k – $76k per year • Middle • 3+ years exp • Remote/Hybrid (Wrocław, Poland) • Full-Time • Architect
Node JS
JavaScript
Databases
Firestore
AI/ML
Copilot
Cursor
Frontend
React.js
DevOps
CI/CD
GCP
GitHub
$64k – $76k per year • Middle • 3+ years exp • Remote/Hybrid (Wrocław, Poland) • Full-Time • Architect
C#
Python
Python
PyQt
Mobile
Firebase
DevOps
Azure
Git
Rest API
QA
Pytest
Fabrity is a software software house and IT consultancy that specializes in designing, building, and modernizing custom enterprise applications for European organizations. The company offers end-to-end digital transformation services, including cloud migration, software development, process automation, and user experience design across highly regulated sectors like finance, insurance, and manufacturing. By combining technical expertise with deep industry knowledge, it helps businesses streamline operations and build scalable digital products tailored to their specific needs.
HQ: Warsaw, Poland • Artificial Intelligence • Software • Information Technology • Est. 2007
$64k – $70k per year • Warsaw • Remote (Poland) • Full-Time • Polish: C1
JavaScript
SQL
TypeScript
C#
C#
.NET
Databases
Apache Kafka
MS SQL
RabbitMQ
Frontend
Angular
DevOps
Azure
Azure DevOps
CI/CD
Git
Gitflow
Rest API
Management
Jira
ServiceNow
$45k – $48k per year • Warsaw • Remote (Poland) • Polish: C1
Python
JavaScript
Python
Django
SQLAlchemy
Databases
ElasticSearch
MySQL
PostgreSQL
Redis
Frontend
JQuery
DevOps
GCP
$42k – $60k per year • Warsaw • Remote (Poland) • Full-Time • Polish: C1
PowerShell
Python
SQL
C#
C#
.NET
Databases
MS SQL
PostgreSQL
Snowflake
DevOps
Azure
Analytics
Tableau
A global leader in FX and CFD trading, providing access to over 2100 financial markets including FX, indices, shares, commodities and more. Regulated by the FCA and headquartered in Canary Wharf, London.
Warsaw • Financial Services • FinTech • Capital Markets
$66k – $83k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior
Java
TypeScript
JavaScript
Java
Micronaut
Testcontainers
Databases
Apache Kafka
OpenSearch
PostgreSQL
RabbitMQ
Redis
AI/ML
Claude
Claude Code
Copilot
Windsurf
Frontend
Angular
RxJS
Sass
Mobile
JUnit
DevOps
GitLab CI
Grafana
gRPC
Kubernetes
Opsgenie
Prometheus
Rancher
GitHub
GitLab
Management
Confluence
Google Workspace
Jira
QA
Jest
$66k – $83k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior
Java
TypeScript
JavaScript
Java
Micronaut
Testcontainers
Databases
Apache Kafka
OpenSearch
PostgreSQL
RabbitMQ
Redis
AI/ML
Claude
Claude Code
Copilot
Windsurf
Frontend
Angular
RxJS
Sass
Mobile
JUnit
DevOps
GitLab CI
Grafana
gRPC
Kubernetes
Opsgenie
Prometheus
Rancher
GitHub
GitLab
Management
Confluence
Google Workspace
Jira
QA
Jest
$49k – $63k per year • Warsaw • Remote (Poland) • Full-Time
Java
Java
Micronaut
Testcontainers
Databases
Apache Kafka
OpenSearch
PostgreSQL
RabbitMQ
Redis
AI/ML
Copilot
Mobile
JUnit
DevOps
GitLab CI
Grafana
gRPC
Kubernetes
Opsgenie
Prometheus
Rancher
GitHub
GitLab
Management
Confluence
Google Workspace
Jira
Nexio Management is a Polish information technology services company specializing in business software consulting and implementation. It designs, develops, and integrates systems such as CRM, business intelligence solutions, and custom applications for enterprise clients.
HQ: Warsaw, Poland • Software • Data & Analytics • Business Intelligence • Information Technology • Customer Relationship Management (CRM) • 1001-5000 employees
≈ $52k – $94k per year (Estimated) • Warsaw • Remote (Poland) • Full-Time • Polish: C1
Node JS
Python
JavaScript
Databases
DynamoDB
DevOps
Amazon EKS
AWS
AWS Lambda
CI/CD
GitHub Actions
Jenkins
Rest API
Terraform
Kubernetes
Amazon ECS
Amazon S3
API Gateway
GitHub
IoT
MQTT
≈ $70k – $118k per year (Estimated) • Lead • Warsaw • Remote (Poland) • Full-Time • Staff • Polish: C1
≈ $60k – $93k per year (Estimated) • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
C#
SQL
C#
.NET
DevOps
Git
GitHub Actions
Kubernetes
Rest API
GitHub
ElevenLabs is transforming human-technology interaction with AI research and products. Powering the best enterprises, creators, and developers. From ElevenAgents for customer experience, ElevenCreative for content creation, to the leading AI voice generator.
HQ: New York, United States • HQ: London, United Kingdom • AI Agents • LLM & Generative AI • Artificial Intelligence • Speech & Audio AI • 51-200 employees • Est. 2022
≈ $54k – $97k per year (Estimated) • Warsaw • Remote (Poland) • Full-Time • Polish: C1 • English: C1
≈ $81k – $182k per year (Estimated) • London • Remote (United States, United Kingdom, Poland, Spain) • Full-Time
SQL
TypeScript
JavaScript
AI/ML
ElevenLabs
Frontend
React.js
Analytics
A/B Testing
≈ $82k – $185k per year (Estimated) • New York • Amsterdam • Sofia • Dublin • Boston • Remote (United States, Germany, United Kingdom, Bulgaria, Ireland) • Full-Time
Python
TypeScript
AI/ML
ElevenLabs
DevOps
GitHub
Neontri is an international software development company specializing in mobile and cloud-native solutions for the financial services and banking sectors. Founded in 2013 and headquartered in Warsaw, Poland, the firm acts as a specialized technology partner to banks, fintechs, and payment processors.
HQ: Warsaw, Poland • Financial Services • Software • FinTech • Est. 2013
$86k – $94k per year • Senior • Warsaw • Remote (Poland) • Contractor • Senior • Polish: C1
Java
Kotlin
Java
Spring Boot
Kotlin
Mockito
Databases
Apache Kafka
PostgreSQL
RabbitMQ
Mobile
JUnit
DevOps
Grafana
OpenShift
Prometheus
Rest API
QA
Postman
Rest-Assured
$86k – $96k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior • Polish: C1
Java
Java
Maven
DevOps
CI/CD
Docker
GCP
Git
Jenkins
Kubernetes
Management
Jira
$72k – $80k per year • Warsaw • Remote (Poland) • Polish: C1
Java
TypeScript
JavaScript
Java
Spring Boot
Databases
Apache Kafka
Frontend
Angular
DevOps
CI/CD
Git
Rest API
CloudFerro is a European cloud computing provider specializing in infrastructure-as-a-service (IaaS) solutions tailored for handling massive Earth observation and space data. The company designs and manages high-performance public and private cloud environments for major scientific institutions, European agencies, and commercial enterprises. By integrating vast satellite data repositories directly with scalable computing resources, it enables research teams and organizations to process and analyze complex geographic data efficiently.
HQ: Warsaw, Poland • Space & Aerospace • Data Centers • Cloud Computing • 201-500 employees
≈ $62k – $175k per year (Estimated) • Middle • 3+ years exp • Remote (Poland) • Bachelor's Degree • Internship • Middle
Python
SQL
C++
Go
Java
Python
Django
SQLAlchemy
Databases
MySQL
OpenSearch
PostgreSQL
RabbitMQ
Redis
DevOps
ArgoCD
CI/CD
Docker
Envoy
Git
GitLab CI
Grafana
HAProxy
OpenStack
Opsgenie
Prometheus
Thanos
IAM
Ansible
Kubernetes
GitLab
Cybersecurity
Keycloak
Management
Confluence
Jira
Refurbed is a leading provider of refurbished electronics. We offer a wide range of products, including laptops, smartphones, and tablets. Our products are carefully inspected and refurbished to the highest standards.
Vienna • Marketplaces • Consumer Electronics • Laptops • 201-500 employees • Est. 2017
≈ $92k – $226k per year (Estimated) • Senior • Remote (Europe) • Senior
Go
JavaScript
TypeScript
Databases
PostgreSQL
Redis
Frontend
Vue.js
DevOps
gRPC
Analytics
A/B Testing
≈ $93k – $227k per year (Estimated) • Senior • 7+ years exp • Remote (Europe) • Bachelor's Degree • Senior
Go
SQL
JavaScript
Databases
PostgreSQL
RabbitMQ
Redis
Frontend
Alpine.js
Tailwind CSS
Vue.js
DevOps
GCP
gRPC
Kubernetes
B3Group is a Polish company active in the information technology and business services sector. It delivers IT consulting, software implementation, and support services for corporate clients seeking technology solutions for their operations.
HQ: Warsaw, Poland • Data & Analytics
≈ $52k – $94k per year (Estimated) • In office (Wrocław, Poland) • Full-Time • Polish: C1
Java
Databases
Apache Iceberg
Apache Kafka
Frontend
GraphQL
DevOps
Grafana
OpenTelemetry
Prometheus
Management
Confluence
Jira
≈ $52k – $93k per year (Estimated) • In office (Wrocław, Poland) • Full-Time • Polish: C1
Java
Java
GraalVM
Quarkus
Spring Boot
Databases
Apache Iceberg
Apache Kafka
Frontend
GraphQL
DevOps
Grafana
OpenTelemetry
Prometheus
Amazon S3
Dynatrace
Management
Confluence
Jira
≈ $52k – $94k per year (Estimated) • In office (Wrocław, Poland) • Full-Time • Polish: C1
Apache Kafka
DevOps
Amazon EC2
Amazon EKS
Ansible
AWS
CI/CD
GitHub Actions
GitLab CI
Grafana
Jenkins
OpenTelemetry
Prometheus
SLI/SLO/SLA
Terraform
Kubernetes
Amazon S3
GitHub
GitLab
IAM
Cybersecurity
tfsec
Management
Confluence
Jira
Founded in 2015 and headquartered in Warsaw, Poland, Onwelo is a global technology consulting and software development company specializing in custom IT solutions for enterprise clients. The company delivers services across cloud transformation, AI and data analytics, cybersecurity, intelligent automation (RPA), quality assurance, and managed IT services.
HQ: Warsaw, Poland • Artificial Intelligence • Software • Information Technology • Est. 2015
$61k – $74k per year • Senior • Remote (Poland) • Full-Time • Senior • Polish: C1
Java
Kotlin
TypeScript
JavaScript
Java
Spring Boot
Frontend
Angular
DevOps
CI/CD
Docker
Git
Jenkins
Kubernetes
Rest API
$61k – $81k per year • Senior • Remote (Poland) • Full-Time • Senior • Polish: C1
Java
Java
Spring Boot
DevOps
Rest API
Identify & investigate suspicious activity & catch bad actors. The fastest way to fuse any siloed data & discover trends, patterns, networks, & connections.
Wrocław • Business Intelligence • Fraud Detection • Data & Analytics
≈ $61k – $94k per year (Estimated) • Senior • 5+ years exp • Wrocław • Remote (Poland) • Full-Time • Senior • Polish: C2
Java
SQL
TypeScript
JavaScript
Kotlin
Java
Spring Boot
Lombok
Spring Security
Kotlin
Mockito
Databases
ActiveMQ
Redis
AI/ML
Knowledge Graph
Frontend
Angular
Mobile
JUnit
DevOps
Docker
Kubernetes
Game Dev
Pure Data
QA
Swagger
TestNG
≈ $62k – $96k per year (Estimated) • Senior • 7+ years exp • Wrocław • Remote (Poland) • Full-Time • Senior
Java
SQL
TypeScript
JavaScript
Databases
ActiveMQ
Redis
AI/ML
Knowledge Graph
Frontend
Angular
DevOps
Docker
Kubernetes
Intellias is a global software engineering and technology consulting company headquartered in Krakow, Poland. Founded in 2002, the company provides end-to-end digital transformation, custom software development, and technical consulting to Fortune 500 enterprises and fast-growing technology companies worldwide.
HQ: Warsaw, Poland • Data & Analytics • Artificial Intelligence • Information Technology • Est. 2002
≈ $63k – $98k per year (Estimated) • Senior • 8+ years exp • Poland • Remote (Poland) • Full-Time • Senior
Java
Scala
SQL
Java
Flyway
Hibernate
Spring Boot
Scala
Akka
Apache Pekko
Cats
Cats Effect
ZIO
Databases
Apache Kafka
PostgreSQL
Databricks
DynamoDB
Google BigQuery
Snowflake
DevOps
AWS
CI/CD
Docker
GitHub Actions
Amazon Kinesis
GitHub
CloudFormation
≈ $63k – $98k per year (Estimated) • Senior • 10+ years exp • Kraków • Remote (Poland) • Full-Time • Senior
Scala
SQL
Java
Java
Flyway
Hibernate
Spring Boot
Scala
Akka
Apache Pekko
Cats
Cats Effect
ZIO
Databases
Apache Kafka
PostgreSQL
Databricks
DynamoDB
Google BigQuery
Snowflake
DevOps
AWS
CI/CD
Docker
GitHub Actions
Amazon Kinesis
GitHub
CloudFormation
≈ $43k – $88k per year (Estimated) • Middle • 8+ years exp • Kraków • Remote (Poland) • Full-Time • Middle
Scala
SQL
Java
Java
Flyway
Hibernate
Spring Boot
Scala
Akka
Apache Pekko
Cats
Cats Effect
ZIO
Databases
Apache Kafka
PostgreSQL
Databricks
DynamoDB
Google BigQuery
Snowflake
DevOps
AWS
CI/CD
Docker
Amazon Kinesis
CloudFormation
Team Connect is a software engineering services and IT staff augmentation provider headquartered in Warsaw, Poland. Founded in 2008, the company specializes in custom software development, nearshore and offshore IT outsourcing, and technology consulting for enterprises across telecommunications, financial services, real estate, and healthcare.
HQ: Warsaw, Poland • Artificial Intelligence • Software • Information Technology • Est. 2008
$64k – $70k per year • Senior • Warsaw • Remote (Poland) • Full-Time • Senior
Java
Kotlin
Java
Maven
Spring Boot
Kotlin
Mockito
Databases
ActiveMQ
Mobile
Dependency Injection
JUnit
DevOps
Azure
Housecall Pro is a field service management software company headquartered in San Diego, California, and founded in 2013. The company provides scheduling, dispatching, estimating, invoicing, payments, and marketing tools built for home service businesses such as plumbing, HVAC, electrical, and cleaning contractors. It serves tens of thousands of small trade businesses across the United States and delivers most of its product through a mobile application used in the field.
HQ: San Diego, United States • Payments • Financial Services • Mobile App Development • Billing & Invoicing • Business Process Automation (BPA) • Software • Est. 2013
$99k – $117k per year • Staff+ • 5+ years exp • Warsaw • Remote (Brazil, Poland) • Bachelor's Degree • Staff
JavaScript
PHP
Python
Ruby
Ruby
Ruby on Rails
DevOps
CI/CD
$64k – $79k per year • Middle • 2+ years exp • Remote (Poland) • Contractor • Middle • Polish (Optional)
Ruby
Databases
MySQL
DevOps
IAM
Cybersecurity
Keycloak
$64k – $79k per year • Middle • 2+ years exp • Warsaw • Remote (Poland) • Bachelor's Degree • Full-Time • Junior
Go
Java
Python
Ruby
TypeScript
DevOps
AWS
CI/CD
Git
GitHub Actions
GitLab CI
Jenkins
GitHub
GitLab
IAM
Cybersecurity
Keycloak
Future Mind is an award-winning Digital Advisory & Delivery company that supports leading brands in making strategic decisions, digital transformation management, and digital product development and maintenance.
Warsaw • Lublin • Design & Creative • Mobile App Development • Information Technology
$52k – $71k per year • Senior • 3+ years exp • Warsaw • Remote (Poland) • Full-Time • Senior
JavaScript
Node JS
Python
SQL
TypeScript
Node JS
Nest.JS
Sequelize
TypeORM
Databases
PostgreSQL
RabbitMQ
Redis
Frontend
Angular
React.js
Mobile
Firebase
DevOps
AWS
Azure
CI/CD
Docker
GCP
Rest API
WebSockets
Management
Basecamp
Jira
Trello
QA
Jest
Swagger
Lingaro is a Warsaw technology company founded in 2008 and specialised in data and analytics engineering. It builds data platforms, business intelligence and artificial intelligence solutions for global consumer goods, pharmaceutical and retail groups. The company employs thousands of specialists across Europe and Asia.
HQ: Warsaw, Poland • Commerce • Artificial Intelligence • Data & Analytics • Est. 2008
≈ $53k – $96k per year (Estimated) • Remote (Poland) • Part-Time • English
Python
SQL
Python
Django
FastAPI
Databases
Apache Kafka
Frontend
GraphQL
DevOps
Azure
Bicep
CI/CD
Docker
GCP
Git
Kubernetes
Terraform
≈ $52k – $94k per year (Estimated) • Remote (Poland) • Full-Time • English
Python
Python
Celery
Django
FastAPI
SQLAlchemy
Databases
Databricks
Oracle
DevOps
Azure
CI/CD
Docker
Git
Kubernetes
≈ $42k – $87k per year (Estimated) • Middle • 4+ years exp • Remote (Poland) • Full-Time • Middle • English: B2
Java
JavaScript
Node JS
Databases
MySQL
PostgreSQL
Frontend
Next.js
React Router
React.js
Redux
DevOps
AWS
Azure
GCP
Git
Docker
PostHog is a product analytics company headquartered in San Francisco, California, and founded in 2020 by James Hawkins and Tim Glaser. The company builds an open source platform combining product analytics, session replay, feature flags, A/B testing, surveys, and error tracking that teams can self-host or run on its cloud. It went through Y Combinator, operates as a fully remote organisation, and publishes its internal handbook and pricing openly.
HQ: San Francisco, United States • Analytics Platforms • Software • Web Analytics • Product Analytics • Data & Analytics • Est. 2020
≈ $84k – $207k per year (Estimated) • Remote (Europe) • Full-Time
Go
Node JS
Rust
SQL
JavaScript
Databases
Apache Kafka
ClickHouse
PostgreSQL
Redis
AI/ML
AI Agents
DevOps
Amazon S3
Management
Slack
Toloka is a data company founded in 2014 and headquartered in Amsterdam that supplies human-generated training, fine-tuning and evaluation data for artificial intelligence systems. It began as a large-scale crowdsourcing platform and has repositioned around expert work, combining domain specialists, machine learning tooling and quality control pipelines to produce reasoning traces, preference rankings and agentic task data. Operating within the Nebius group and backed by Bezos Expeditions since 2025, the company serves frontier model laboratories and enterprises building their own systems.
HQ: Amsterdam, Netherlands • Machine Learning • Data & Analytics • Data Collection • LLM & Generative AI • Artificial Intelligence • 51-200 employees • Est. 2014
Senior • 8+ years exp • Remote (EU, United States, United Kingdom, Serbia) • Freelance • Senior
Python
JavaScript
TypeScript
Python
FastAPI
Databases
Apache Kafka
PostgreSQL
Redis
AI/ML
AI Agents
Claude
Anthropic
Model Context Protocol
OpenAI Codex
Frontend
React.js
DevOps
Docker
FINANTEQ is a Polish fintech and consulting company specializing in the design and development of comprehensive mobile banking applications and integrated digital finance solutions. Part of the Senacor Technologies group, the firm provides both bespoke software engineering and ready-to-use components that help financial institutions accelerate their digital transformation. They are recognized globally for their expertise in secure mobile transaction systems, having successfully partnered with major international banks and financial organizations for over a decade.
Lublin • Software • Financial Services • Banking • Mobile App Development • FinTech
$25k – $32k per year • Junior • Lublin • Remote (Poland) • Full-Time • Junior • Polish: C1
Java
Java
Quarkus
Databases
OpenSearch
PostgreSQL
DevOps
AWS
Grafana
Kibana
Kubernetes
$54k – $66k per year • Lublin • Remote (Poland) • Full-Time • Polish: C1
JavaScript
Python
TypeScript
Python
FastAPI
Databases
PostgreSQL
Frontend
React.js
Vue.js
DevOps
AWS
AWS Lambda
CI/CD
Docker
GitLab CI
Rest API
Terraform
Amazon ECS
AWS Step Functions
GitLab
QA
Playwright
Vitest
$62k – $76k per year • Senior • Lublin • Remote (Poland) • Full-Time • Senior • Polish: C1
JavaScript
Python
TypeScript
Python
FastAPI
Databases
PostgreSQL
Frontend
React.js
Vue.js
DevOps
AWS
AWS Lambda
CI/CD
Docker
GitLab CI
Rest API
Terraform
Amazon ECS
AWS Step Functions
GitLab
QA
Playwright
Vitest
