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153 back end software engineer jobs at 64 companies in Washington

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Backend Software Engineer - Simulations
Arlington or New York City or Seattle or Arlington
OnsiteFull Time
Rune Technologies
Rune Technologies: Develops AI-powered logistics and sustainment software for military operations.
4+ YOE4+ years software engineering; production-grade software; Python/C++/Go; math/physics background; strong ownership.
Python, C++, Go, AWS, Kubernetes, Linux
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2mo
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Software Engineer, Back-End
San Francisco or Seattle
$164k-$284k/yr HybridFull Time
Superhuman
Superhuman: An AI-native productivity platform for email, writing, and collaboration.
5+ YOE5+ years back-end development, production systems at scale, cloud platforms, AI-powered systems, APIs, CI/CD, real-time architectures, independent and collaborative work.
Go, AWS, GCP, Azure, CI/CD, Infrastructure as Code, Real-time systems
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Software Engineer - Backend
Seattle, Washington, United States
$130k-$170k/yr HybridFull Time
Avante
Avante: AI-powered platform for managing employee benefits and data.
3+ YOE3+ years backend software engineering; TypeScript; PostgreSQL; API design; experience with external integrations; strong communication.
TypeScript, PostgreSQL, APIs, HRIS integration
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Back-end Software Engineer - Seattle, WA
Seattle, Washington, United States
$167k-$230k/yr OnsiteFull Time
Otter
Otter: Software for restaurants to manage and grow online orders.
Back-end proficiency in Java, Go, or Python; distributed systems and API design; database experience (PostgreSQL/CockroachDB); strong debugging; production operations
Java, Go, Python, PostgreSQL, CockroachDB, gRPC, REST, Docker, Kubernetes, Temporal, Kafka, Trino, Flink, Iceberg
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2w
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Backend Software Development Engineer II
Seattle, Washington, United States
$119k-$167k/yr OnsiteFull Time
Expedia Group
Expedia GroupNASDAQ: EXPE: Operates a global platform for travel bookings and services.
2+ YOEBachelor's degree or equivalent,2+ years software engineering experience,ownership of services end-to-end,proficiency in modern programming languages,systems design and production operations experience,foundational AI/ML familiarity.
Java, Scala, Kotlin, CI/CD, AI/ML
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Senior Software Engineer, Backend - Rippling AI
San Francisco or New York or Seattle
$168k-$280k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
5+ YOE5+ years software engineering experience; expertise in platform and distributed systems; strong hands-on coding; experience owning end-to-end technical initiatives; experience with AI agents is a plus.
Slack, Microsoft 365
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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
Unit21
Unit21: Provides an AI-powered platform for fraud and money laundering detection.
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
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3w
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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
SITE Technologies
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.
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
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Staff Backend Software Engineer
Denver or Beaverton or Seattle or Springfield or Bengaluru
$172k-$223k/yr HybridFull Time
DAT Freight & Analytics
DAT Freight & Analytics: Software platform for freight matching and logistics data analytics.
10+ YOE10+ years backend experience with Node.js/TypeScript, AWS (EKS, MSK/Kafka, S3), document databases (DocumentDB/MongoDB), Terraform, observability and on‑call practices; strong system design and technical leadership skills.
Node.js, TypeScript, Express, AWS, EKS, MSK (Kafka), Kafka, S3, Lambda, DocumentDB, MongoDB, Secrets Manager, CloudWatch, Terraform, Kubernetes
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3mo
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Senior Software Engineer, Backend
Seattle, Washington, United States
$191k-$263k/yr HybridFull Time
Plaid
Plaid: Provides financial data connectivity and payment infrastructure via APIs.
5+ YOE5+ years of software engineering; MySQL; microservices; leadership and mentoring; cross-functional collaboration.
MySQL, Microservices, Backend APIs, Programming
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Software Engineer (Backend), Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Mexico City or Miami or New York City or Ottawa or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Toronto or Vancouver or Washington, D.C.
$104k-$187k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years as a software engineer; backend/data pipelines; comfortable with messy data; proficient in Ruby, Python, or Go; AWS experience; SQL; collaborative and communicative.
Ruby, Python, Go, AWS, S3, SQS, SNS, SQL
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3mo
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Software Engineer II, Backend
New York or San Francisco or Seattle
$152k-$190k/yr HybridFull Time
Brex
Brex: Corporate cards and spend management software for businesses.
4+ YOE4+ years experience building full-stack apps; end-to-end client-side development; high engineering standards; hybrid work in NY/SF/Seattle
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3mo
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Backend Senior Software Engineer
Austin or Bellevue
$111k-$172k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
2+ YOESenior backend engineer with a bachelor's or master’s in STEM and 2+ years (or 5+ yrs directly) of related experience; strong coding and problem-solving skills.
Java, C++, HTML, CSS, JavaScript, Python, C#, PHP, Angular, React, Kubernetes, Docker, APIs, SQL
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1mo
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Back-End Software Engineer II
Redmond, Washington, United States
$102k-$202k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
2+ YOEBachelor's degree in Computer Science or equivalent with 2+ years engineering experience (or equivalent experience). Proficiency in C#/C/C++/Java/JavaScript/Python, mocking frameworks (MOQ), TDD, CosmosDB, ARM templates, and service reliability. US citizenship or permanent residency verification required.
C, C++, C#, Java, JavaScript, Python, MOQ, CosmosDB, Azure Resource Manager (ARM), TDD
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2w
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Senior Backend Engineer
Seattle, Washington, United States
$160k-$220k/yr OnsiteFull Time
Aurelian
Aurelian: AI-powered voice automation for 9-1-1 non-emergency calls.
4+ YOE4+ years software engineering experience, strong engineering fundamentals, autonomy, and ability to build reliable, low-latency backend systems for voice and AI pipelines.
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Senior Backend Software Engineer - Seattle
Seattle, Washington, United States
$159k-$192k/yr OnsiteFull Time
LiveView Technologies
LiveView Technologies: Mobile surveillance and automated security deterrence systems.
5+ YOE5+ years building full-stack TypeScript applications; expertise with React/Next.js, Node.js, GraphQL, real-time WebSocket systems, relational databases, CI/CD, containerization, and security patterns.
TypeScript, React, Next.js, Node.js, NestJS, Apollo Server, GraphQL, MySQL, Knex, WebSockets, OAuth, OIDC, JWT, Docker, CI/CD
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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
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
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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3d
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Senior Software Engineer - Backend
San Francisco or Seattle
$140k-$193k/yr HybridFull Time
Motive
Motive: Provides an AI-powered fleet management and physical operations platform.
5+ YOEB.S. or M.S. in CS or related, 5+ years software development, experience with distributed systems and stream-processing (Kafka, Flink, Kinesis), proficiency in Ruby/Golang/Kotlin/Java, relational and NoSQL databases, cloud infrastructure, IoT/geospatial a plus.
Kafka, Flink, Kinesis, Ruby, Golang, Kotlin, Java, PostgreSQL, DynamoDB, Redis, Cassandra, AWS, GCP, Azure, Cursor, CoPilot
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Senior Software Engineer, Backend
Bellevue, Washington, United States
$160k-$210k/yr HybridFull Time
Cognitiv
Cognitiv: Deep learning platform for predictive advertising and media buying.
Senior backend engineer experienced with .NET Core (or similar), AWS, building partner integrations, scaling distributed systems, strong ownership, communication, testing focus, and operational excellence.
.NET Core, Java, Kotlin, AWS, RDS, ClickHouse, Datadog, CI/CD, ContextGPT
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Senior Software Engineer - Backend Services
Seattle, Washington, United States
$155k-$190k/yr HybridFull Time
Truveta
Truveta: Provides a clinical data platform for medical research insights.
5+ YOE5+ years backend engineering experience, strong Python async skills, production ownership, cloud-native platform experience, LLM/API integrations, and secure service practices.
Python, uv, ruff, ty, OpenAI, Microsoft Azure OpenAI, LangGraph, LangChain, MCP, A2A, Docker, devcontainers, Kubernetes, CI/CD, AKS, Terraform, Terragrunt, Snyk, JFrog, Docker/PyPI proxying, Microsoft Azure Pipelines
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