Senior Python Developer (+React)

We are looking for a Senior Python Developer to join a USA-based project. The company is developing a next-generation web interface platform that helps people capture ideas, thoughts, and context seamlessly, wherever they are. The product combines software and hardware, including a voice-first interface and a wearable device designed to make interaction feel intuitive and fast.

This is an early-stage, high-ownership environment where engineers work closely with founders, influence technical decisions, and help shape both the product and the engineering culture from the ground up.

Requirements:
Core Requirements:

• 7+ years of experience building and shipping production software in startup or fast-growing environments.
• Solid backend development experience with Python (FastAPI or similar frameworks).
• Practical experience with React and building web applications.
• Experience designing and maintaining API-first systems (REST), asynchronous services, and distributed architectures.
• Advanced debugging skills and experience investigating production incidents.
• Good understanding of system performance optimization and reliability engineering principles.
• Hands-on experience with observability and monitoring platforms such as Datadog, Grafana, Prometheus, OpenTelemetry, or similar tools.
• Solid understanding of logging, tracing, metrics, and alerting systems.
• Ability to improve system reliability, reduce latency, and maintain operational stability.
• Practical use of AI tools in daily development (e.g., AI-powered IDEs, code assistants, testing or refactoring tools).
• Clear communication skills and the ability to collaborate effectively with non-technical stakeholders.
• High level of ownership with the ability to drive technical decisions independently.
• English — Upper-Intermediate level or higher.

Infrastructure & Cloud:

• Deep understanding of AWS services and cloud infrastructure management.
• Knowledge of infrastructure scalability, reliability, and cost optimization practices.
• Experience operating and maintaining production environments.
• Familiarity with CI/CD workflows and infrastructure automation tools.

Nice to Have:

• Background in fast-paced startup environments and collaboration with cross-functional engineering teams.
• Experience developing internal engineering tools and developer tooling.
• Exposure to on-call rotations and production operations.
• Experience with containerized environments and deployment pipelines.
• Experience monitoring and optimizing AI-related costs, usage, and performance.
• Understanding of asynchronous and AI-related workflows.

Responsibilities:

• Collaborate with founders and cross-functional teams to refine and implement technical requirements.
• Design and build high-quality, scalable backend systems and APIs using Python.
• Conduct code reviews and ensure adherence to engineering best practices and maintainable code standards.
• Take ownership of production systems, including debugging issues, investigating incidents, and ensuring system reliability.

Interview stages:

• HR interview (30 minutes).
• Technical interview (1 hour).
• Interview with the customer (1 hour).
• Job offer🎉🎉🎉

We offer:

• Competitive salary.
• Challenging tasks and projects.
• Opportunities for professional development and growth.
• Flexible working hours.
• New hardware.
• Free English lessons.
• Table tennis and yoga classes.
• Availability of generators and Starlinks in the office.
• Small gym in the office.
• Adjustable height tables.
• Regular office fruit delivery and other benefits.

Let’s create value together!