Python engineer (Skycash)

Warsaw - Poland

Monthly Salary: Not Disclosed

Posted on: 16 hours ago

Vacancies: 1 Vacancy

Job Summary

About us:
SkyCash is a licensed secure mobile payment platform with the goal of revolutionizing mobile payments!

SkyCash sets trends in the mobile payment industry by introducing mobility to e-tickets and charging systems. SkyCash is well-known to millions of drivers as an application that facilitates parking as well as allows you to purchase a ticket from the level of your phone - making travel by public transportation easier for residents of many Polish cities.

SkyCash is also a partner for your business! SkyCash for Business is a service dedicated to companies that want to streamline their payment processes and increase control over their finances. With us you will quickly and conveniently settle payments for parking or public transportation tickets. Working with SkyCash for Business managing business travel for employees becomes simpler.

About the role:

We are seeking a skilled and motivated Python Developer with a passion for building robust and scalable backend this role you will be responsible for designing developing and maintaining high-performance APIs and infrastructure capable of supporting real-time interactions and large-scale user activity. You will play a key role in ensuring the reliability efficiency and maintainability of backend components across our platform. The ideal candidate has a strong command of Python and modern frameworks along with a deep commitment to writing clean secure and production-ready code that performs under heavy load.

Key Responsibilities

Build and maintain scalable reliable and secure backend services using Python
Design and implement robust RESTful and GraphQL APIs to support mobile and front-end apps
Collaborate with front-end and mobile teams (iOS/Android) to integrate APIs and optimize user experience
Ensure back-end services can scale to handle high concurrency and large user bases
Work with asynchronous frameworks for real-time features and background task processing
Design efficient data models and manage SQL and NoSQL databases
Use CI/CD and containerization tools (Docker Kubernetes) to streamline deployment pipelines
Write clean testable and well-documented code

Qualifications & Experience

5 years of experience in Python development with focus on RESTful and asynchronous APIs
Deep understanding of application architectures including client-server communication patterns
Hands-on experience with backend frameworks such as FastAPI or Flask emphasizing performance and modular design
Skilled in designing APIs optimized for mobile performance and low-latency environments
Experience with major cloud platforms including serverless components (e.g. Lambda Cloud Functions)
Experience collaborating in Agile development teams participating in sprint planning code reviews and iterative delivery cycles
Experience working with CI/CD pipelines and Git workflows with a strong focus on writing automated tests to ensure code quality
Familiarity with system monitoring and alerting using tools like Prometheus Sentry or ELK
Experience with relational NoSQL and in-memory data stores for scalable data handling
Degree in Computer Science or related field or equivalent hands-on experience
Proven track record in delivering production-ready high-scale mobile-connected backend systems

Preferred Qualifications

Experience collaborating with mobile teams using React Native Flutter or native iOS/Android platforms
Familiarity with real-time data handling through WebSockets MQTT or other streaming protocols
Background in developing and supporting multi-tenant internationalized or localized mobile applications
Understanding of mobile analytics user behavior tracking and integration with tools like Firebase Analytics or Mixpanel
Hands-on experience with open-source technologies / active participation in open-source communities or contributions to public projects

Whats in it for you

Working for the customer directly ownership culture;
20 fully paid business days of vacation;
15 fully paid sick leaves;
Public holidays;
Compensation for health insurance and sports club membership (after the trial period).

Apply and Join Us Today!

About us: SkyCash is a licensed secure mobile payment platform with the goal of revolutionizing mobile payments! SkyCash sets trends in the mobile payment industry by introducing mobility to e-tickets and charging systems. SkyCash is well-known to millions of drivers as an application that facilitat...