234 python backend developer jobs at 101 companies in Washington
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Backend Engineer (Python/FastAPI)
United States or Seattle or San Francisco
$200-$300/hr RemoteContract
3+ YOE3+ years of software engineering experience; expertise in Python and JavaScript, including React and Node.js; production deployment, architecture, debugging, code review, and clear technical communication skills.
Python, FastAPI, JavaScript, React, Node.js, C, C++, Java, Rust, Go
2w
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Backend Engineer
Denver or Seattle or Washington or San Francisco or Los Angeles or Arvada or San Francisco or Nashville or Denver or Santa Fe or New Orleans or San Diego or Bozeman or New York City
$120k-$180k/yr HybridFull Time
3+ YOERequires Python backend development, AWS, GraphQL, Docker, Terraform, APIs, Kubernetes, Git, a computer science bachelor's degree, and 3+ years of experience; U.S. person status and security clearance eligibility required.
Python, AWS, GraphQL, Docker, Terraform, OpenAI, Anthropic, AskSage, Kubernetes, AWS Lambda, Amazon ECS, Amazon EKS, Amazon CloudWatch, Amazon S3, Amazon EFS, Amazon EBS, Amazon EC2, Amazon RDS, Git, GitHub, GitLab, CI/CD
1mo
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Backend Engineer
California or Colorado or Georgia or Idaho or Illinois or Kansas or Massachusetts or Maryland or Michigan or Minnesota or New Jersey or New York or Ohio or Oregon or Pennsylvania or Rhode Island or Texas or Washington
$180k-$220k/yr RemoteFull Time
5+ YOE5+ years in data/software engineering, experience with large-scale data processing, advanced SQL, Python/OOP, cloud platforms, and infrastructure-as-code (Terraform).
Apache Spark, Databricks, Flink, Beam, Python, SQL, AWS, Azure, Google Cloud, Terraform
1mo
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
1mo
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Backend Engineer
San Francisco or New York City or Austin or Seattle
$175k-$300k/yr OnsiteFull Time
Experience building production services, observability, API and control-plane design, API-first infrastructure, incident response/pager duty, and familiarity with AI tooling and distributed systems.
LLM APIs, MCP servers, Claude Code, Cursor, Prometheus, Thanos, VictoriaMetrics, Temporal, Cadence, BMC/Redfish, Go, Python, Postgres, Kubernetes
1w
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Senior Backend Engineer, Experimentation
United States or Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago
$163k-$264k/yr RemoteFull Time
6+ YOERequires 6+ years of software engineering experience, backend production systems expertise, Go or comparable language skills, distributed systems and data-intensive product experience, cloud operations, and observability practices.
Go, Python, Rust, C++, ClickHouse, Postgres, Snowflake, Redshift, BigQuery, Databricks
1w
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Backend Software Engineer
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$130k-$220k/yr OnsiteFull Time
U.S. Person status, ability to obtain and maintain a U.S. security clearance, and backend/cloud engineering experience with scalable systems, infrastructure, reliability, and operations.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD
1w
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Staff Backend Engineer - Data Platform- San Francisco
San Francisco or Seattle or New York City
$240k-$260k/yr HybridFull Time
10+ YOE10+ years of software engineering experience, deep backend and data expertise, cloud warehouse experience, SQL/dbt, expert Python, and Staff-level technical leadership.
BigQuery, dbt, Python, GCP, SQL, Snowflake, Databricks, Iceberg, Airflow, Fivetran, Apache Spark, Beam, Arrow
2mo
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Senior Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
1mo
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Principal Backend Engineer- Admin Workflows
Seattle, Washington, United States
$190k-$210k/yr HybridFull Time
8+ YOE8+ years building and operating scalable backend services, cloud infrastructure experience, proficiency in TypeScript or Python, distributed systems and API design, strong communication and mentorship skills.
TypeScript, Python, Google Cloud Platform (GCP), AWS, Azure, Kubernetes, NoSQL
1mo
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Backend Software Engineer - Sensors and Tracking
Seattle or Arlington
OnsiteFull Time
4+ YOE4+ years software engineering experience, hands-on hardware/sensor data integration, production backend systems, proficiency in Python or Go, ability to operate in ambiguous environments.
Python, Go
1w
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Senior Backend Software Developer
United States or Washington
$135k-$190k/yr RemoteFull Time
6+ YOEBachelor of Science in Computer Science or equivalent experience; 6+ years software development and programming experience; 6+ years AWS/Azure experience; 4+ years architecture, SDLC, and system design experience.
TypeScript, Python, Java, AWS, Azure, LLM technologies
1mo
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Senior Backend Engineer, Managed Kubernetes & Slurm
New York City or San Francisco or Seattle
$180k-$250k/yr HybridFull Time
Significant experience building and operating production backend systems with Go or Python, deep Kubernetes or Slurm knowledge, distributed systems, networking, observability, CI/CD, and production incident response.
Go, Python, Kubernetes, Slurm, Terraform, Crossplane, Helm, Argo CD, Flux, Kustomize, gRPC
3w
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Knowledge Engineer Manager - Back-end Engineer
Seattle or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$80k-$294k/yr HybridFull Time
5+ YOEMinimum 5 years in knowledge graph hydration, ontology mapping, graph and relational databases, vector databases, Python or Java, and REST API development; bachelor's degree or equivalent experience required.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL APIs, D3.js, Cytoscape.js, Terraform
4d
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Senior Software Engineer, Backend - Emerging Products
Seattle or San Francisco or New York City
$168k-$280k/yr HybridFull Time
5+ YOERequires 5+ years in production backend engineering using Python, Go, or similar languages; expertise in distributed systems, data modeling, relational databases, performance optimization, algorithms, and complex project delivery.
Python, Go, Slack, Microsoft 365
2mo
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Software Engineer, Backend, Level 5 – Ads Delivery
Bellevue or Los Angeles
$178k-$313k/yr OnsiteFull Time
6+ YOEBachelor's or equivalent; 6+ years post-Bachelor’s software development experience; experience with distributed systems, large-scale backend services, Java/C++/Python, NoSQL, Redis/Memcache, Kubernetes, cloud services, and operating highly-available systems.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services, AI tools
2w
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Knowledge Engineer Manager - Back-end Engineer
United States or Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek
$80k-$294k/yr HybridFull Time
5+ YOERequires 5+ years in knowledge graphs, ontology mapping, R2RML, graph and relational databases, vector databases, Python or Java, REST APIs, and a bachelor's degree or equivalent.
RDF, OWL, SKOS, RDFS, SPARQL, R2RML, CSVW, SHACL, GraphDB, Stardog, Neo4j, Amazon Neptune, PostgreSQL, MySQL, SQL Server, Pinecone, Weaviate, Milvus, Qdrant, Elasticsearch, OpenSearch, Python, Java, SQL, JSON, XML, CSV, REST APIs, Apache NiFi, Airflow, Docker, Kubernetes, Helm, AWS Neptune, Azure Cosmos DB, GCP, Kafka, RabbitMQ, Git, GraphQL, D3.js, Cytoscape.js, Terraform
1mo
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Senior Backend Software Engineer, Content E-Commerce
Seattle, Washington, United States
$202k-$368k/yr OnsiteFull Time
5+ YOEBachelors in Computer Science or related,5+ years building highly scalable backend services,knowledge of databases/messaging,strong programming and system design skills.
Java, Golang, Python, C++, MySQL, Redis, Kafka
2mo
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Senior Software Engineer, Backend
Seattle or New York
$183k-$247k/yr OnsiteFull Time
Bachelor's in CS or related, strong data structures/algorithms and software design, experience with Java/Python/Kotlin, database technologies, and observability; experience building high-traffic APIs and cloud infra preferred.
Java, Python, Kotlin, OpenTelemetry, Grafana, Prometheus, DataDog
1mo
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Software Engineer, Backend, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
2+ YOEBachelor's in a technical field or equivalent experience,2+ years post-Bachelor’s software development experience,experience with distributed systems,operational skills,collaboration and strong CS fundamentals.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services
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