Overview
News
Technologies
Salaries
Products
People
Growth
Jobs
Financials
Overview
Railsware is a product studio and software engineering company headquartered in Krakow, Poland, and founded in 2007. The company builds custom web and mobile products for clients while also developing its own tools, including the Mailtrap email testing platform, the Coupler.io data integration service, and Smart Checklist for Jira. It works mainly with startups and scale-ups in Europe and North America and is known for publishing its internal product management practices.
Technologies
Tech DNA
TypeScript
Rust
JavaScript
Axum
React.js
Playwright
Google BigQuery
OpenSearch
PostgreSQL
Amazon CloudWatch
AWS
Cloudflare
AI/ML
Python
SQL
AI Agents
Amazon CloudWatch
GitHub
WebSockets
Ansible
AWS
CI/CD
Cloudflare
Docker
FinOps
GCP
GitHub Actions
Grafana
HAProxy
Kubernetes
Loki
Nginx
Packer
PagerDuty
Prometheus
Terraform
GitLab
Amazon ECS
IAM
Google BigQuery
OpenSearch
PostgreSQL
Redis
QA
TypeScript
JavaScript
Ruby
Playwright
Sentry
Other
Rust
Axum
React.js
WebAssembly
Apache Kafka
Stack modernity
74/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
TypeScript
5 jobs
Required
AI Agents
4 jobs
Required
GitHub
4 jobs
Required
Amazon CloudWatch
4 jobs
Required
JavaScript
3 jobs
Required
Rust
3 jobs
Optional
WebSockets
3 jobs
Required
Axum
3 jobs
Optional
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
28%
JavaScript
26%
CI/CD
26%
SQL
25%
TypeScript
21%
AWS
21%
Share of companies in the same industry that use each technology.
Stack changes
IAM
Aug 2026
Amazon ECS
Aug 2026
GitLab
Aug 2026
GitHub
Aug 2026
Amazon CloudWatch
Aug 2026
SQL
Aug 2026
Terraform
Aug 2026
Sentry
Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.
Jobgether
Emagine
General Dynamics Information Technology
Devoteam
Booz Allen Hamilton
NVIDIA
Growth
Hiring Momentum
69/100
Growing
Open positions
8
1 opened / 0 closed in 30 days
ATS activity
Every ~2 days
08/31/2026
Hiring Dynamics
+100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
29% ▲
DevOps
29% ▲
QA
29% ▲
Product
14% ▲
Activity Timeline
Added SQL to stack
Aug 2026
Added Terraform to stack
Aug 2026
Added Sentry to stack
Aug 2026
Added Ruby to stack
Aug 2026
Added Redis to stack
Aug 2026
Added Python to stack
Aug 2026
Added Prometheus to stack
Aug 2026
Added PostgreSQL to stack
Aug 2026
Added PagerDuty to stack
Aug 2026
Added Packer to stack
Aug 2026
Added OpenSearch to stack
Aug 2026
Added Nginx to stack
Aug 2026
Jobs
Senior Full-Stack Engineer (Trading Platform)
14 days ago≈ $65k – $100k per year (Estimated) • Remote • Full-Time • 5+ years exp • Kraków
Ruby
Rust
TypeScript
JavaScript
Axum
AI/ML
AI Agents
Frontend
React.js
WebAssembly
DevOps
WebSockets
Apply
≈ $130k – $254k per year (Estimated) • Remote • 5+ years exp
SQL
Apply
Senior DevOps Engineer
17 days ago≈ $63k – $103k per year (Estimated) • Remote/Hybrid • Full-Time • 5+ years exp • Kraków
Python
Ruby
Apache Kafka
Google BigQuery
OpenSearch
PostgreSQL
Redis
DevOps
Ansible
AWS
CI/CD
Cloudflare
Docker
FinOps
GCP
GitHub Actions
Grafana
HAProxy
Kubernetes
Loki
Nginx
Packer
PagerDuty
Prometheus
Terraform
Amazon CloudWatch
Amazon ECS
GitHub
IAM
QA
Sentry
Apply
Remote/Hybrid • 5+ years exp
Python
Ruby
Apache Kafka
Google BigQuery
OpenSearch
PostgreSQL
Redis
DevOps
Ansible
AWS
CI/CD
Cloudflare
Docker
FinOps
GCP
GitHub Actions
Grafana
HAProxy
Kubernetes
Loki
Nginx
Packer
PagerDuty
Prometheus
Terraform
Amazon CloudWatch
Amazon ECS
GitHub
IAM
QA
Sentry
Apply
Senior QA Engineer (TradeZella product)
26 days ago≈ $51k – $87k per year (Estimated) • Remote • Full-Time • Poland
TypeScript
Amazon CloudWatch
GitHub
GitLab
QA
Playwright
Apply
≈ $93k – $226k per year (Estimated) • Remote • Cofounder • 5+ years exp
Rust
TypeScript
JavaScript
Axum
AI/ML
AI Agents
Frontend
React.js
WebAssembly
DevOps
WebSockets
Apply
Remote
TypeScript
AI Agents
DevOps
Amazon CloudWatch
GitHub
GitLab
QA
Playwright
Apply
Senior Full-Stack Engineer (Trading Platform)
1 month ago≈ $65k – $100k per year (Estimated) • Remote • Full-Time • 5+ years exp • Kraków
Rust
TypeScript
JavaScript
Axum
AI/ML
AI Agents
Frontend
React.js
WebAssembly
DevOps
WebSockets
Apply