307 senior backend developer jobs at 131 companies in Bothell, WA

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
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
1mo
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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
2mo
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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
1mo
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Senior Backend Engineer (Canada)
Seattle, Washington, United States
RemoteFull Time
Loot Labs
Loot Labs: Platform for unboxing and trading digital and physical collectibles
5+ YOE5+ years backend experience; strong TypeScript; AWS (DynamoDB, Lambda, S3, AppSync, Cognito, SQS); GraphQL; CI/CD; security; observability
DynamoDB, Lambda, S3, AppSync, Cognito, SQS, SST, TypeScript, GraphQL, CI/CD
2mo
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Senior Staff Backend Engineer
Seattle or Mountain View
$169k-$290k/yr HybridFull Time
Coupang
CoupangNYSE: CPNG: Provides online retail, grocery delivery, and video streaming services.
8+ YOELead architectural design of a durable execution platform; backend software development; Java/Spring; AWS; 8+ years in distributed systems.
Java, Spring Framework, AWS, Python, Kubernetes, Cassandra, TiDB, Temporal, Cadence, Git
1mo
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Senior Backend Engineer - Offroad
Missoula or Bozeman or Austin or Denver or Portland or Salt Lake City or Seattle
$146k-$182k/yr RemoteFull Time
onXmaps
onXmaps: Digital mapping and navigation apps for outdoor recreation.
7+ YOE7+ years in software development; distributed cloud APIs; Go; Vue; Docker/Kubernetes; Terraform; remote collaboration; travel for quarterly visits.
Go, Vue, Docker, Kubernetes, Terraform, API Development
3d
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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.
2mo
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Senior Staff Backend Engineer
Seattle or Mountain View
$169k-$290k/yr OnsiteFull Time
Coupang
CoupangNYSE: CPNG: Provides an end-to-end e-commerce and logistics network.
8+ YOEBachelor's degree in computer science or related field; 8 years backend experience; Java and Spring; AWS; experience building highly available distributed systems.
Java, Spring, AWS, Kubernetes, Concurreny and memory management, Temporal / Cadence
2w
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Senior Backend Engineer
Seattle, Washington, United States
$167k-$230k/yr OnsiteFull Time
Otter
Otter: Software for restaurants to manage and grow online orders.
Proficiency in Java; familiarity with PostgreSQL, MongoDB, Redis; experience with AWS, Google Cloud, or Azure; understanding of RESTful APIs, microservices, and distributed systems; strong debugging and problem-solving skills.
Java, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Azure, RESTful APIs, microservices, distributed systems
2w
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Senior Backend Engineer
Seattle, Washington, United States
$167k-$230k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
Proficiency in Java; experience with PostgreSQL, MongoDB, Redis; experience with AWS/GCP/Azure; knowledge of RESTful APIs, microservices, and distributed systems; strong debugging and problem-solving skills.
Java, PostgreSQL, MongoDB, Redis, AWS, Google Cloud, Azure, RESTful APIs
2w
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Senior Backend Engineer | On-Site | Seattle
Seattle, Washington, United States
$120k-$200k/yr OnsiteFull Time
Grid
Grid: Mobile app for cash advances and tax refund optimization.
Experience building and operating production backend systems (preferably in Go on GCP), strong data-driven development skills, familiarity with distributed/event-driven systems, and SQL proficiency.
GCP, Go, protobufs, BigQuery, MySQL, Spanner, SQL, Pub/Sub
1mo
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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
WEX
WEXNYSE: WEX: Provides global payment processing and business information management services.
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
2mo
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Principal Backend Engineer
Seattle, Washington, United States
OnsiteFull Time
Data Squared
Data Squared: Explainable AI platform for high-stakes enterprise data decision-making.
Testing backend systems; Python development; pytest; FastAPI; Docker; Kubernetes; graph data testing.
Python, pytest, FastAPI, Docker, Kubernetes, Neo4j, Memgraph
3w
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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
1w
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Backend Engineer
San Francisco or New York City or Austin or Seattle
$175k-$300k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
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
1mo
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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
1w
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Backend Engineer
Seattle, Washington, United States
$160k-$175k/yr HybridFull Time
FlowPlay
FlowPlay: Develops and publishes social casino games and virtual worlds.
5+ YOE5+ years Java backend experience, proficiency with MySQL, EMR not referenced, familiarity with cloud (AWS or GCP), RESTful API design, version control (SVN/Git); Bachelor's in CS or related preferred.
Java, Spring Boot, MySQL, AWS, GCP, RESTful API, Apache SVN, Git, Docker, Kubernetes, PostgreSQL, Oracle, NoSQL
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
2w
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Senior Backend Engineer - Lodging and Cars
United States or Atlanta or Austin or Boston or Washington DC or Seattle or Houston or Raleigh or Dallas
RemoteFull Time
Hopper
Hopper: Global travel marketplace and financial technology service provider.
Senior individual contributor with strong Scala or JVM language skills, microservices and distributed systems experience, familiarity with gRPC/PubSub/REST integrations, and ability to own end-to-end technical implementations.
Scala, Java, Kotlin, gRPC, Pub/Sub, REST
3w
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Backend Engineer, Flag Delivery
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 or United States
$146k-$235k/yr OnsiteFull Time
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.
Go, Java, Rust