Sr. Backend Developer

3B Staffing LLC

Washington DC

Sr. Backend Developer

What You'll Do

Design, implement, and maintain backend services and APIs in Python
Build and optimize data pipelines using Apache Airflow
Collaborate with product and frontend teams to define clear service contracts
Develop infrastructure-as-code for GCP resources (Pub/Sub, Cloud Functions, BigQuery, Cloud Storage)
Ensure reliability: write tests, set up monitoring/alerting, troubleshoot production issues
Participate in code reviews, mentor junior engineers, and help evolve our best practices

What We're Looking For

4+ years of professional Python development experience
Hands-on experience with Apache Airflow (authoring DAGs, operators, scheduling)
Strong working knowledge of Google Cloud Platform services (Compute Engine, Cloud Functions, BigQuery, Pub/Sub, IAM)
Experience containerizing applications (Docker) and deploying with CI/CD (GitHub Actions, Cloud Build, etc.)
Solid understanding of SQL and relational databases; bonus for NoSQL (Firestore/Datastore)
Familiarity with RESTful API design
Commitment to code quality: automated tests, linting, type checking

Nice-to-Haves

Experience with Terraform or other IaC tools
Knowledge of Kubernetes and serverless architectures
Background in event-driven or streaming data systems (Dataflow, Kafka)
Exposure to security best practices in cloud environments
Experience performing statistical analysis and data modeling (e.g., using NumPy, pandas, SciPy)
Familiarity with machine learning frameworks and workflows (e.g., scikit-learn, TensorFlow, Pytorch)

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Vacancy posted 5 days ago

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