Software Engineer (React.js, Python)

OANDA; Kraków; Hybrid; PLN 180,000 - 260,000; Full time

Job summary

OANDA in Kraków (Cracow, Zabłocie) is seeking a Regular Full Stack Engineer to join our international Scrum team. You will design, build, and maintain onboarding forms and registration workflows using React.js and Python (FastAPI), integrate APIs, and own tasks end-to-end.

You will communicate in English across cross-functional teams, value autonomy, and contribute to modern architecture while leveraging Claude Code and cloud tooling to streamline development in a hybrid work environment.

Qualifications

• Proven commercial experience as a Full Stack Developer working with React.js and Python.
• Strong English communication skills (B2/C1+) for daily collaboration in a multicultural environment.
• High degree of autonomy, ownership, and a self-driven attitude toward continuous learning and skill development.
• Solid understanding of core software engineering concepts, system architecture, and debugging in cloud environments.

Responsibilities

• Design, build, and maintain dynamic onboarding forms and registration workflows using React.js and Python (FastAPI).
• Integrate third-party vendor services (APIs/SDKs) and collaborate with external providers and internal teams.
• Independently own tasks end-to-end — from technical analysis to production deployment.
• Ensure clear communication in English across cross-functional teams, stakeholders, and business partners.
• Write clean, testable code adhering to SOLID and Clean Code principles.
• Leverage Claude Code and AI tools to streamline development and refactor processes.
• Actively participate in team technical discussions and contribute to improving system architecture.

Skills

React.js

Python

English communication

Autonomy

Tools

Claude Code

Google Cloud Platform (GCP)

Job description

Fancy helping to shape the future of FinTech?

We have always been innovators. In 1996 we were the first company to share exchange rate information, free of charge on the internet. Today, we are a world leading online trading group.

Join us to:

• Help build the future of online trading
• Be part of a culture driven by integrity and global impact
• Become part of an award-winning company - check out our full list of awards here.

We are only as good as our people. Luckily, our people are the best. Join us!

How do we work?

We are an international Scrum team of Full Stack Software Engineers working with React.js, Python, and Google Cloud Platform. We build and optimize registration flows and onboarding forms used by our clients for a seamless, secure onboarding experience.

We place a strong emphasis on continuous improvement, autonomy, cross-team collaboration, and clean architecture. We work in a hybrid model in Cracow, Zabłocie.

As a Regular Full Stack Engineer, you will:

• Design, build, and maintain dynamic onboarding forms and registration workflows using React.js and Python (FastAPI).
• Integrate third-party vendor services (APIs/SDKs) and collaborate closely with external providers and internal teams across the organization.
• Independently own tasks end-to-end — from technical analysis and problem-solving to production deployment.
• Ensure clear communication in English across cross-functional teams, technical stakeholders, and business partners.
• Write clean, testable, and efficient code adhering to software engineering best practices (SOLID, Clean Code).
• Utilize modern developer tooling (including Claude Code and AI assistants) to streamline development, refactoring, and process automation.
• Actively participate in team technical discussions and continuously improve our system architecture.

What skillset you need to be successful in this role:

• Proven commercial experience as a Full Stack Developer working with React.js and Python.
• Strong English communication skills (B2/C1+) for daily collaboration in a multicultural environment and cross-team alignment.
• High degree of autonomy, ownership, and a self-driven attitude toward continuous learning and skill development.
• Solid understanding of core software engineering concepts, system architecture, and debugging in cloud environments.

Bonus points if you have experience with:

• AI-assisted engineering workflows and CLI tools like Claude Code.
• Google Cloud Platform (GCP) or other cloud platforms.
• Third-party vendor API integrations (e.g., identity verification, payment gateways, e-signature).
• Domain-Driven Design (DDD) principles and Infrastructure as Code (IaC, e.g., Terraform).
• Automated testing tools (Cypress, Playwright, PyTest) to maintain system reliability.

___

At OANDA, to help us efficiently process applications, we use AI-driven tools to help source and rank candidates based on professional experience and skills. While these tools provide recommendations, our recruitment process remains human-centric: all final shortlisting and hiring decisions are made by OANDA team. You have the right to request a human review of your application.

OANDA Global Corporation is a diverse and global team with offices around the world. We value the unique skills and experiences each individual brings to OANDA. We are committed to creating and sustaining a collegial work environment in which all individuals are treated with dignity and respect and one which reflects the diversity of the community in which we operate. We provide an inclusive and accessible environment for everyone. Candidates selected for an interview will be contacted directly. If you require accommodation during the recruitment and selection process, please let us know. We will work with you to provide as seamless a recruitment experience as possible.

Learn more about our culture here.