77 python backend engineer jobs at 54 companies in District of Columbia
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Backend Engineer
Washington, District of Columbia, United States
$121k-$165k/yrOnsiteFull Time
The Nuclear Company: Deploys standardized nuclear reactors for utility-scale energy generation.
5+ YOE5+ years building production backend systems and APIs; strong skills in backend languages; experience with databases, cloud (AWS preferred), CI/CD, testing, security, and reliability.
InnodataNASDAQ: INOD: A global providing AI data engineering and services.
6+ YOEBachelor's in CS or related (or equivalent experience),6+ years experience (4+ in backend/API integration),strong Python backend skills,REST async integration,Databricks/Spark familiarity,JSON schema design,active Secret clearance with TS/SCI eligibility.
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$130k-$220k/yrOnsiteFull Time
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Backend and cloud engineering experience with scalable distributed systems; must be a U.S. Person and able to obtain and maintain a U.S. security clearance.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD
Senior Backend Engineer (Ruby on Rails/Python) - Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$217k/yrHybridFull Time
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
7+ YOE7+ years software engineering; experience with ingestion pipelines, ETL, and content processing; proficient in Ruby, Python, or Go; AWS and distributed workflows; strong DB design; effective communicator.
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/yrRemoteFull Time
SITE Technologies: Provides AI-powered property condition assessments and management software.
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
VIA: Provides secure decentralized identity and data privacy software solutions.
Production experience building backend services in TypeScript and Go, PostgreSQL schema and query optimization, AWS and containerized deployments, API design, AI-assisted development experience; U.S. citizenship and bachelor's or equivalent required.
Swoop Technologies: Distributed operating system for military and critical infrastructure.
3+ YOEActive US security clearance required; Bachelor’s in CS or related field; 3+ years backend development; proficient Python; Kubernetes experience; knowledge of software security standards.
The Washington Post: Provides daily newspaper publishing and digital news reporting services.
7+ YOE7+ years software development experience, 1+ year AI/personalization exposure, proficiency with Python and Node.js, relational DB optimization (Postgres/MySQL), AWS, IaC, DevOps tools, monitoring, and strong communication.
Horizon3.ai: Autonomous penetration testing platform for continuous security assessment.
7+ YOEBachelor's in CS or related,7+ years software engineering,expert SQL,cloud (AWS/Azure/GCP),Docker/Kubernetes,GraphQL/ETL experience,ability to obtain/maintain TS clearance.
Software Development Engineer II – Back-End (Mission-Focused | ArcGIS)
Redlands or St. Louis or Washington or Vienna
$97k-$162k/yrOnsiteFull Time
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years backend engineering experience with Python, JavaScript/Node, or Java; REST API and service architecture experience; ArcGIS Enterprise integration; containerization (Docker/Kubernetes); active Top Secret security clearance (SCI eligible); Bachelor's in STEM.
Booking.comNASDAQ: BKNG: Online platform for booking travel accommodations and transportation services.
3+ YOE3+ years software development experience, strong Python and backend/platform or data engineering skills; experience with PySpark/Spark, dbt, Airflow, AWS/Snowflake, CI/CD, production ownership, and strong communication.
Illinois or Kentucky or Kansas or Idaho or Washington or Michigan or Florida or California or Texas or Oklahoma or Tennessee or North Carolina or Minnesota or Massachusetts or Indiana or Georgia or Arizona or Missouri or Alabama or Connecticut or District of Columbia or South Carolina or Oregon
$79k-$119k/yrHybridFull Time
Relativity: AI-powered platform for legal discovery and data intelligence.
Backend software engineering role; experience with C# or Python; strong distributed systems knowledge; cloud experience preferred.
Modern Classrooms Project: Provides training for blended and self-paced instructional models.
AI-native senior engineer with hands-on experience building backend systems and generative AI/agentic orchestration using Python and TypeScript, prompt engineering, Spec-Driven Development, and durable production workflows.
Claude Code, OpenAI Codex, LangGraph, Python, TypeScript, GitHub Spec Kit
Red Cell Partners: Incubating technology companies in healthcare and national security sectors.
Experienced software engineer with backend/distributed systems, APIs, data pipelines, cloud, and applied AI/ML skills; ability to work with federal customers and obtain security clearance; strong technical communication and debugging skills.
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yrHybridFull Time
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
2+ YOE2+ years of software development experience; backend expertise in Go, Python, or Java; cloud-native architecture, system design, data modeling, and software engineering fundamentals required.
Washington, D.C., District of Columbia, United States
$192k-$213k/yrOnsiteFull Time
Booking HoldingsNASDAQ: BKNG: Global provider of online travel and related services.
3+ YOE3+ years software development experience with strong Python and backend/platform or data engineering skills; experience with PySpark, dbt, Airflow, AWS or Snowflake; strong communication and developer-experience focus.
London or Washington or United States or United Kingdom or Europe or Asia
OnsiteFull Time
Metrea: Provider of effects-as-a-service to global national security partners.
6+ YOE6 years backend engineering experience with Python and web/REST APIs; BSc in Software Engineering or CS; experience with Django/FastAPI, Azure, Kafka, Docker, Kubernetes, Elasticsearch; Agile delivery and leadership skills; BPSS check and UK right-to-work required.
Base-2 Solutions: Delivers engineering and technology services for national security.
13+ YOERequires active TS/SCI with CI polygraph, backend, data engineering, and API experience; Python, FastAPI, PostgreSQL, Elasticsearch, scalable systems, and high-volume integrations proficiency.