Senior FullStack Software Engineer (Python) (#3930)

N-iX is looking for a Senior FullStack Software Engineer to join one of our projects.

Our customer is the European online car market, with over 30 million monthly users and a presence in 18 countries. As a Senior FullStack Engineer, you will play a pivotal role in shaping the future of online car markets and enhancing the user experience for millions of car buyers and sellers.

Responsibilities:

• Working alongside some very talented and dedicated individuals, you will be part of a cross-functional agile team that contributes to building the digital platform. 
• Taking part in daily agile ceremonies, brainstorming on innovative ideas that challenge the status quo, and helping to implement solutions. 
• Acting as an advocate for ownership & highest code quality, as well as contributing to the health of the infrastructure. 
• Raising the bar and elevating the team by sharing knowledge and best practices, while always seeking improvements and facilitating progress. 
• Engage in the full software lifecycle — from design and development to deployment, monitoring, and support.
• Build user-centric web applications by translating mockups into accessible, performant front-end components

Requirements:

Canadian Timezone (EDT)

• Be able to work independently, take ownership of features.
• 4+ years developing reliable, highly available, and scalable software. 
• Strong understanding of software architecture and design patterns. 
• Firm grasp of clean code principles and coding standards. 
• Strong proficiency with backend development (Typescript/Node.js, Python). 
•  Hands-on experience in Django and/or FastAPI. 
•  Experience with APIs and developing in a service-based application environment 
• Good knowledge of SQL & NoSQL datastores (Postgres, Redis). 
• Strong proficiency with frontend development (HTML, CSS, JavaScript/Typescript). 
• Strong proficiency with Vue.js or other component-based frameworks. 
• Experience building optimized UIs for performance. 
•  Knowledge of modern cloud infrastructures and tools, such as AWS and Docker. 
• Experience with AI tooling such as Copilot.  
• Proficiency with version control systems such as Git/GitHub. 
• Experience working within a formal CI/CD pipeline (we focus on GitHub Actions). 
• Experience with logging, monitoring, and alerting services like Datadog. 
• Solid approach to testing and ensuring the quality of the code of the backend and frontend. 
• Experience building and consuming APIs in service-oriented environments.
• Skilled in version control (Git) and working within structured CI/CD pipelines.
• Experience with observability tools (e.g., Datadog) for logging, monitoring, and alerting.
• Solid testing background: unit, integration, and end-to-end testing on both backend and frontend.

At least Upper-intermediate English level

Nice to have:

• Exposure to AI-enhanced tooling (e.g., GitHub Copilot) is a plus.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers