Senior Python Developer (Payment Systems & Integrations) - Fully Remote

Jobgether • Switzerland

Remote

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AI Summary

Build and maintain scalable payment processing systems and third-party integrations using Python, FastAPI, and Django. Design secure APIs, optimize databases, and deploy cloud-native solutions in Kubernetes while leveraging AI tools for productivity. Collaborate with cross-functional teams to ensure seamless transaction processing and system reliability.

Key Highlights

Focus on payment processing systems and third-party integrations with strict security and scalability requirements

Leverage AI-assisted development tools (e.g., Claude Code, OpenAI Codex) for accelerated coding and testing

Fully remote role with competitive benefits including mental health support, language learning, and family allowances

Key Responsibilities

Develop, maintain, and optimize backend and frontend services using Python, ensuring high performance, scalability, and maintainability

Design, build, and maintain REST APIs for payment processing and third-party service integrations, including pay-in/pay-out functionality and transaction lifecycle management

Integrate external payment service providers (PSPs) while ensuring secure, reliable, and efficient processing of payment transactions and sensitive data

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Technical Skills Required

Python FastAPI PostgreSQL

Benefits & Perks

Fully remote work with flexible working environment

Training compensation for professional development

Home office assistance and mental health support

Sports and wellness benefits (massage services, gym support)

Dental services and children's allowance

Language learning courses and flexible benefit cafeteria

Automotive, veterinary, and stationery/lifestyle perks

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Nice to Have

Experience with MongoDB and Redis for data storage and caching

Familiarity with message brokers like RabbitMQ for asynchronous communication

Knowledge of CI/CD pipelines using GitLab CI/CD

Job Description

As a Python Developer, you will contribute to building and maintaining reliable, scalable applications, with a particular focus on payment processing systems and third-party integrations. You will work across backend and frontend services, designing secure APIs and ensuring seamless communication with external payment providers. In this role, you will leverage modern Python frameworks, asynchronous programming, and cloud-native technologies to deliver efficient, high-performance solutions. You will also integrate AI-assisted development tools into your daily workflow to accelerate coding, testing, and problem-solving. Working with technologies such as FastAPI, Django, PostgreSQL, Docker, and Kubernetes, you will help strengthen system reliability and maintainability. This fully remote opportunity offers a collaborative, technology-driven environment where engineering excellence, automation, and continuous improvement are central to delivering impactful digital solutions.

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