Informacje o stanowisku

technologies-expected :

• C
• Python
• Rust
• Linux
• Unix
• Docker

• Typescript
• React.js
• React Native
• Electron
• Redux
• RxJS

• We are currently working with a French company which is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. It has a team of more than 400 professionals developing a variety of products and services to safeguard cryptocurrency assets, including worldwide leading hardware wallets.
• As a Senior Embedded Software Developer, you will become a part of a team responsible for developing blockchain integrations within physical crypto wallet. If you like to work with us, let us share our need for competencies.
• Our Architecture and Technology Stack
• C
• Rust
• Python (tooling)
• Hardware: STM32 MCU, ST31 Secure Element, ISO/IEC 7816 Smart Cards, USB HID, USB CCID, BLE
• Git, GitHub, GitHub Actions
• Jira, Confluence
• Multiplatform companion app is written in Typescript, Electron, React Native, Redux, RxJS
• Underlying backend services deployment stack: AWS, Kubernetes, Helm, Docker, IaC/Infrastructure as Code, Datadog, Prometheus, Grafana, Fluentd

• Write clean, scalable code of embedded apps using C, Rust and Python (tooling)
• Having a strong focus on maintaining and improving existing functionalities of embedded apps written in C and/or Rust
• Write unit and integration test
• Revise, update, refactor, and debug code, improve existing code
• Develop documentation throughout the software development life cycle (SDLC)
• Serve as an expert on applications and provide technical support
• Build new 3rd party blockchain coin integrations into physical wallet
• Maintain 3rd party coin integrations to have the best feature coverage
• Ensure high quality standards
• Resolve 3rd party integration production issues

• Strong experience with developing embedded software
• Knowledge and proficiency in C language
• Some experience with Python and/or Rust
• Knowledge and experience with cryptography and security aspects of software applications
• Strong competencies in development quality assurane (unit and integration tests)
• Experience with Linux/Unix, Docker
• Familiarity with blockchain ecosystem
• Hands-on experience with different stages of software development lifecycles
• Experience with CI/CD pipelines and Git/Github/Gitflow
• Effective communication which leads to excellent working relationships with all parties
• Quickly identify, analyse and proactively solve problems before they affect the outcomes of projects
• Good English oral and written communication skills. Particularly in the areas of technical presentation and technical document writing

• Knowledge sharing within our company
• Agile and friendly atmosphere, non-violent communication and full respect for diversity
• Possibility to choose from onsite (in Lodz, Poland) or hybrid work (meetings from time to time in our office in Łódź city centre)
• Remuneration on B2B contract: 1200 – 1600 PLN net/day (rate depends on competencies and seniority)
• Possibility to engage not only technically, but also have an impact on the small company culture

• sharing the costs of sports activities
• private medical care
• flexible working time
• integration events

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