Flex

Python Backend Engineer

Responsibilities

• Develop and optimize Python-based applications and scripts focused on video encoding and live streaming workflows.
• Automate critical processes, including API-driven testing of video encoding and streaming services.
• Lead architectural discussions and help shape the technology roadmap, making critical decisions about system structure, frameworks, and integrations.
• Conduct research, proofs of concept, and experiments with emerging technologies and frameworks to enhance platform capabilities.
• Analyze, debug, and resolve complex system issues to ensure high availability and performance.
• Develop internal libraries and contribute to open-source projects that align with our platform’s objectives.
• Identify bottlenecks in video processing and streaming systems, and drive performance optimizations to handle high concurrency and large-scale workloads.

• Shape and scale our streaming architecture as we expand into new markets and use cases, ensuring the platform adapts to increased demand.

   

Qualifications

• Strong experience with Python development, especially in backend services.
• Proficient in automating tasks and optimizing system processes.
• Experience with message brokers, particularly RabbitMQ.
• Experience with video processing tools like ffmpeg.
• Experience with cloud infrastructure (AWS, GCP, DigitalOcean) and familiarity with media storage and CDN solutions (Backblaze B2, Fastly).
• Familiarity with containerization (Docker, Kubernetes).
• Experience in streaming protocols (RTMP, HLS, DASH).
• Knowledge of CI/CD pipelines and testing automation.

Requirements

• 2+ years of commercial experience;
• Strong knowledge of LAMP/LEMP: PHP 7+ (preferably PHP 8);
• Experience with modern PHP frameworks (preferably Symfony);
• Strong knowledge of SQL;
• Knowledge of GIT;
• Ability to quickly search for information on the internet («googling»).
•  

Nice to have

• Basic understanding: HTML5/CSS3, Bootstrap/AMD, Javascript/Typescript, Vue/Angular/React;
• Experience in writing REST API documentation (OpenAPI/Swagger/RAML);
• Experience in writing automated tests;
• UX (usability) and interface testing experience.

Requirements

• 4+ years of commercial experience;
• Strong knowledge of LAMP/LEMP: PHP 7+ (preferably PHP 8);
• Experience with modern PHP frameworks (preferably Laravel);
• Strong knowledge of SQL;
• Knowledge of GIT;
• Ability to quickly search for information on the internet («googling»).
•  

Nice to have

• Basic understanding: HTML5/CSS3, Bootstrap/AMD, Javascript/Typescript, Vue/Angular/React;
• Experience in writing REST API documentation (OpenAPI/Swagger/RAML);
• Experience in writing automated tests;
• UX (usability) and interface testing experience.

Requirements:

High level of knowledge of C/C++ programming languages.
Experience with microcontrollers based on Cortex M (STM32) or ESP32.
Deep understanding of working with radio protocols (LoRa, ELRS) and UART, SPI, CAN interfaces.
Knowledge of the principles of working with hardwired sensors.
Ability to work with real-world tasks in a rapid prototyping environment.
Experience with Betaflight | INAV | Ardupilot

Will be a plus:

Knowledge of the MAVLink protocol.
Circuit development and board design.
3D modeling skills and preparation of models for printing.
Experience with CI/CD and Python language.
Strong analytical skills and attention to detail.
Technical English language skills.