Senior Backend Engineer

Our client is a global technology consulting and digital solutions company helping more than 750 clients succeed in a converging world. They go the extra mile for their clients and accelerate their digital transformation with the Mosaic platform enabling their mobile, social, analytics, IoT, and cloud journeys.  Our client is a USD 3.4 billion company with 90,000+ professionals across five continents, helping global customers with innovative solutions.  The Group operates in the key industries that drive economic growth, enjoying a leadership position in the construction industry, financial industry, and technology. We are currently searching for a Senior Backend Engineer (Python/FastAPI – Media & Streaming): We are currently searching for a Senior Backend Engineer to join our team, focusing on the design and implementation of robust backend systems that power our media and streaming platform. Responsibilities: Develop and maintain high-quality, modular, and well-annotated Python code. Design and implement APIs to integrate and propagate data across remote systems, ensuring graceful handling of full and partial failures. Build observable systems by incorporating effective logging, monitoring, tracing, and alerting practices. Write and review GitHub pull requests, ensuring code quality through thorough testing, type annotations, and documentation. Actively participate in the design and architecture phases of new features and services, ensuring scalability and performance. Collaborate with a cross-functional team of software engineers, data engineers, and product managers to deliver new product features. Requirements: Modern Python Proficiency: Strong experience writing maintainable, modular, and modern Python code. Asynchronous Patterns: A solid understanding of asynchronous patterns and concepts like asyncio, event loops, threading, and reliable data propagation techniques. Frameworks: Hands-on experience with FastAPI and Celery is required. Testing: Ability to write and review unit tests using pytest , focusing on mocking where appropriate. Networking & Data: Proficient in reading and writing basic SQL queries and understanding TCP/IP networking fundamentals , including DNS, HTTP requests, and subnetting. Tooling: Experience with Docker and Linux environments. Cloud & APIs: Experience working with cloud providers (AWS, GCP, OCI) and exposure to building RESTful APIs. Desired: Familiarity with Go or Rust. Knowledge of CDN or Multi-CDN architectures and ABR (Adaptive Bitrate) streaming concepts. Experience with observability systems, log aggregation, metrics pipelines, and ETL processes. Understanding of Python type annotations and modular application design. Experience in API orchestration in multi-CDN environments. Experience with Terraform or other Infrastructure as Code (IaC) tooling. Background in distributed systems and designing fault-tolerant architectures. Experience with Kubernetes or general cloud infrastructure. Languages: Advanced Oral English. Notes: Fully remote. If you meet these qualifications and are pursuing new challenges, start your application on our website to join an award-winning employer. Explore all our job openings | Sequoia Career’s Page : Keywords: Backend Engineer, Python Developer, FastAPI, Celery, Streaming Architecture1. Core Development Skills Total Experience: A minimum of 3+ years of professional software development experience. Python Proficiency: Must be highly proficient in modern Python, including writing modular and maintainable code. Asynchronous Programming: Strong understanding of asynchronous patterns like asyncio, threading, and multiprocessing . Testing: Expertise in writing and reviewing unit tests using pytest , with a focus on mocking. APIs & Frameworks: Hands-on experience building RESTful APIs with FastAPI and familiarity with Celery for distributed task processing. 2. DevOps & Cloud Cloud Providers: Experience working with major cloud platforms such as AWS, GCP, or OCI . Containerization: Hands-on experience with Docker and knowledge of Linux environments. Infrastructure as Code (IaC): Experience with Terraform or similar tools is a plus. Orchestration: Experience with Kubernetes or general cloud infrastructure is a bonus. Observability: Ability to build observable systems with effective logging, monitoring, tracing, and alerting . 3. Distributed Systems & Domain Knowledge Networking: Strong understanding of TCP/IP networking fundamentals , including DNS, HTTP requests, and subnetting. Data: Proficiency in reading and writing basic SQL queries . Scalability: Experience working with distributed systems and designing fault-tolerant architectures . Media & Streaming: Knowledge of CDN or Multi-CDN architectures and ABR (Adaptive Bitrate) streaming concepts is a plus. API Orchestration: Experience with API orchestration in multi-CDN environments is a bonus. 4. Locations: Candidates in Mexico, Costa Rica, Brazil, Colombia, or Argentina—in LATAM in general—can fill the role. 5. Languages Advanced Oral English.