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427 backend software developer jobs at 163 companies in Washington

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
2w
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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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2mo
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Backend Software Engineer - Saga
New York or Seattle or Arlington or Rosslyn
OnsiteFull Time
Rune Technologies
Rune Technologies: Develops AI-powered logistics and sustainment software for military operations.
4+ YOE4+ years backend software engineering; experience with GenAI systems, vector databases, LLM integrations, and evaluation harnesses; strong problem solving and ownership.
GenAI, vector databases, LLM integrations, RAG architectures, tool-call frameworks, production-grade software
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1mo
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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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1mo
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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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2mo
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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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2mo
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Backend Staff Software Engineer
Austin or Bellevue
$132k-$210k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
5+ YOE5+ years relevant work experience or 2 years with advanced degree; experience in software engineering; web/mobile apps; leadership or cross-functional collaboration; debugging and testing; developing scalable services.
Java, C++, HTML, Angular, React, Kubernetes, Docker
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2mo
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Senior Software Engineer, Backend - RQL
San Francisco or Seattle
$168k-$280k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
6+ YOE6+ years backend engineering experience; strong backend development, distributed systems and big-data skills; mentoring experience; familiarity with Python, MongoDB, CDC, Kafka, Aurora, Trino/Presto, Pinot, Iceberg, and Flink.
Python, MongoDB, CDC, Kafka, Aurora, Trino, Presto, Pinot, Iceberg, Flink
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2mo
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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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Staff+ Software Engineer, Backend
San Francisco or New York City or Seattle
$405k-$485k/yr OnsiteFull Time
Anthropic
Anthropic: Developing safe and reliable artificial intelligence systems.
8+ years backend or product engineering; lead multi-month projects; distributed systems; API design; cloud infra; strong cross-team communication.
API design, Distributed systems, Cloud infrastructure, Backend programming
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1w
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Senior Software Engineer - Backend (Integrations)
Seattle, Washington, United States
$180k-$210k/yr HybridFull Time
Read AI
Read AI: AI productivity platform for meeting summaries and workplace insights.
7+ YOE7+ years backend/distributed systems experience; strong event-driven architecture and API design skills; familiarity with OAuth2 and webhooks; experience with Kafka/SQS and backend languages such as Python or Java.
Kafka, SQS, OAuth2, webhooks, Python, Java
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1w
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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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2mo
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Backend Engineer
Seattle, Washington, United States
$120k-$145k/yr OnsiteFull Time
Integrate
Integrate: Secure project management software for complex hardware and defense.
2+ YOE2-5+ years backend experience; distributed systems focus; production Go and Python; Kubernetes; cloud infra (AWS/GCP/Azure); SQL and NoSQL; gRPC/REST APIs; Terraform or IaC a plus.
Go, Python, gRPC, REST/JSON, GraphQL, PostgreSQL, NoSQL, Kubernetes, Terraform
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4w
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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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2mo
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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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1mo
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Senior Backend Engineer
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
Aircall
Aircall: Cloud-based business phone system and customer communication platform.
6+ YOE6+ years backend development with a typed language (TypeScript preferred), production AWS experience, infrastructure-as-code (CloudFormation or Terraform), security-first mindset, serverless experience, GraphQL a plus, on-call rotation and mentoring experience.
TypeScript, AWS, CloudFormation, Terraform, GraphQL
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4d
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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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1mo
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Software Engineer, Backend, Level 5 – Ads Delivery
Bellevue or Los Angeles
$178k-$313k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
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
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2w
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Senior Backend Software Engineer, Content E-Commerce
Seattle, Washington, United States
$202k-$368k/yr OnsiteFull Time
TikTok
TikTok: Global short-form video hosting and social media platform.
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
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2mo
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Senior Backend Engineer- Platform
Seattle, Washington, United States
$160k-$190k/yr OnsiteFull Time
Yoodli
Yoodli: AI-powered platform for communication coaching and roleplay simulations.
5+ YOE5+ years backend development; cloud infra; TypeScript or Python; on-site 3 days in Seattle; bachelor's in CS or equivalent.
TypeScript, Python, Google Cloud Platform, Amazon Web Services, Microsoft Azure, Kubernetes, NoSQL, Infrastructure as Code
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3mo
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Software Engineer, Product Backend (8+ YOE)
New York or San Francisco or Seattle
$213k-$340k/yr HybridFull Time
Airtable
Airtable: No-code platform for building collaborative apps and business workflows.
8+ YOE8+ years in modern systems development; backend focus; experience with TypeScript and Rust; strong CS background; ownership mindset.
TypeScript, Rust, Web technologies
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